Thytronic SIF5600 Manuale utente

SIF5600 - Manual - 03 - 2008

CERTIFIED

DK5600

SIF5600

OVERCURRENT AND GROUND FAULT

PROTECTION RELAY

COMMAND

KEYLOCK

22SIF5600 - Manual - 03 - 2008

CONTENTS

1 INTRODUCTION 5

Scope.................................................................................................................................................................................................................5

Applicability......................................................................................................................................................................................................5

Conformity.........................................................................................................................................................................................................5

Technical support............................................................................................................................................................................................5

Copyright...........................................................................................................................................................................................................5

Warranty ...........................................................................................................................................................................................................5

Safety recommendations...............................................................................................................................................................................5

Insulation tests.................................................................................................................................................................................................5

Identification ....................................................................................................................................................................................................6

Current connections .......................................................................................................................................................................................6

Environmental Conditions ..............................................................................................................................................................................6

Symbols.............................................................................................................................................................................................................6

Abbreviations/definitions...............................................................................................................................................................................6

1 INTRODUCTION 7

Preface..............................................................................................................................................................................................................7

Main characteristics.......................................................................................................................................................................................8

3 TECHNICAL DATA 9

3.1 GENERAL..............................................................................................................................................................................................................9

Mechanical data..............................................................................................................................................................................................9

Insulation test...................................................................................................................................................................................................9

EMC tests..........................................................................................................................................................................................................9

Voltage dip and interruption ..........................................................................................................................................................................9

EMC tests for interference immunity ...........................................................................................................................................................9

Emission tests ................................................................................................................................................................................................10

Climatic tests..................................................................................................................................................................................................10

Mechanical tests...........................................................................................................................................................................................10

Safety...............................................................................................................................................................................................................10

Other standards.............................................................................................................................................................................................10

3.2 INPUT CIRCUITS ...............................................................................................................................................................................................11

Auxiliary power supply.................................................................................................................................................................................11

Phase current input circuits........................................................................................................................................................................11

Residual current input circuit......................................................................................................................................................................11

Binary input circuits......................................................................................................................................................................................11

Block input circuits .......................................................................................................................................................................................11

3.3 OUTPUT CIRCUITS............................................................................................................................................................................................11

Output relays..................................................................................................................................................................................................11

Block output circuits.....................................................................................................................................................................................11

3.4 ENVIRONMENTAL CONDITION......................................................................................................................................................................12

3.5 MMI.....................................................................................................................................................................................................................12

3.6 COMMUNICATION INTERFACE......................................................................................................................................................................12

Local Port........................................................................................................................................................................................................12

3.7 GENERAL SETTINGS ........................................................................................................................................................................................12

3.8 PROTECTION AND CONTROL FUNCTIONS ..................................................................................................................................................12

Phase overcurrent (50/51)............................................................................................................................................................................12

Residual overcurrent (50N-51N) .................................................................................................................................................................13

Blocking function...........................................................................................................................................................................................13

4 FUNCTION PRINCIPLE 14

4.1 HARDWARE .......................................................................................................................................................................................................14

Power supply board......................................................................................................................................................................................14

Processing board ..........................................................................................................................................................................................14

4.2 SOFTWARE.........................................................................................................................................................................................................15

Kernel ..............................................................................................................................................................................................................15

Drivers.............................................................................................................................................................................................................15

Application......................................................................................................................................................................................................15

Base protocol (kernel)..................................................................................................................................................................................15

Calibration (kernel)........................................................................................................................................................................................15

Communication (drivers)..............................................................................................................................................................................16

MMI (drivers) .................................................................................................................................................................................................16

Data Base (application/drivers)..................................................................................................................................................................16

Self-test (application) ...................................................................................................................................................................................16

Development tools.........................................................................................................................................................................................16

SIF5600 - Manual - 03 - 2008

4.3 FUNCTIONAL DESCRIPTION...........................................................................................................................................................................16

Measurements...............................................................................................................................................................................................16

Counters..........................................................................................................................................................................................................16

Inputs...............................................................................................................................................................................................................16

Event recorder ...............................................................................................................................................................................................17

LED indicators................................................................................................................................................................................................18

Communication interfaces...........................................................................................................................................................................19

Self-test...........................................................................................................................................................................................................19

Logic selectivity.............................................................................................................................................................................................20

Binary inputs ..................................................................................................................................................................................................22

Test...................................................................................................................................................................................................................22

Breaker management...................................................................................................................................................................................22

5 INSTALLATION 24

5. PACKAGING.......................................................................................................................................................................................................24

5.2 PROJECTING MOUNTING...............................................................................................................................................................................24

5.3 FLUSH MOUNTING...........................................................................................................................................................................................25

5.4 CORE BALANCE CTS................................................................................................................................................................................................................26

Open type current transformer ...................................................................................................................................................................26

Closed type current transformer - 110 mm diameter...............................................................................................................................27

Closed type current transformer - 200 mm diameter...............................................................................................................................28

5.5 ELECTRICAL CONNECTIONS ..........................................................................................................................................................................29

5.6 SETTING NOMINAL CURRENT.......................................................................................................................................................................31

5.7 FINAL CHECKING..............................................................................................................................................................................................31

6 SETTING AND COMMISSIONING 32

6.1 INTRODUCTION ................................................................................................................................................................................................32

Switch in the OFF position............................................................................................................................................................................32

Switch in the DISPLAY MODE position......................................................................................................................................................32

Switch in the CB MODE position.................................................................................................................................................................33

SIF5600 without display................................................................................................................................................................................33

6.2 SOFTWARE PC (ThySetter)..............................................................................................................................................................................34

ThySetter installation....................................................................................................................................................................................34

Use of the ThySetter .....................................................................................................................................................................................34

ON-LINE MODE..............................................................................................................................................................................................34

Currents...........................................................................................................................................................................................................35

I/O block..........................................................................................................................................................................................................36

Status 52..........................................................................................................................................................................................................36

Events..............................................................................................................................................................................................................36

Info...................................................................................................................................................................................................................37

READING AND MODIFYING SETTINGS (Set) ...........................................................................................................................................39

SET...................................................................................................................................................................................................................39

Base.................................................................................................................................................................................................................39

Relays..............................................................................................................................................................................................................39

50-51.................................................................................................................................................................................................................41

50N-51N...........................................................................................................................................................................................................41

52 Circuit breaker management .................................................................................................................................................................41

Block................................................................................................................................................................................................................42

Store ................................................................................................................................................................................................................42

TEST ROUTINES (Test)..................................................................................................................................................................................42

RESET LEDS/RELAYS (Reset).......................................................................................................................................................................43

CIRCUIT BREAKER COMMAND (Command).............................................................................................................................................43

DATA/TIME SETTING (Time) ........................................................................................................................................................................43

COMMUNICATION PARAMETERS (ModBus slave) ................................................................................................................................44

DEFAULT (Option)...........................................................................................................................................................................................44

File operation mode.......................................................................................................................................................................................44

Drop down menus .........................................................................................................................................................................................44

Procedure.......................................................................................................................................................................................................45

Upgrade...........................................................................................................................................................................................................45

Preferenze ......................................................................................................................................................................................................45

File....................................................................................................................................................................................................................45

6.3 MMI (Man Machine Interface) ......................................................................................................................................................................46

Reading variables (Read).............................................................................................................................................................................46

Setting modifying (Set) .................................................................................................................................................................................46

44SIF5600 - Manual - 03 - 2008

Data/time setting (Time) ...............................................................................................................................................................................47

ModBus slave ................................................................................................................................................................................................47

Escape.............................................................................................................................................................................................................47

6.4 MENU TREE........................................................................................................................................................................................................48

6.5 MAINTENANCE.................................................................................................................................................................................................49

6.6 REPAIRS .............................................................................................................................................................................................................49

6.7 STORAGE............................................................................................................................................................................................................49

7 APPLICATION NOTES 50

7.1 LOGIC SELECTIVITY..........................................................................................................................................................................................50

Breaker failure...............................................................................................................................................................................................51

Short circuiting of pilot wires......................................................................................................................................................................51

Pilot wire breaking ........................................................................................................................................................................................51

Pilot wire connections..................................................................................................................................................................................52

7.2 DK5600 ................................................................................................................................................................................................................53

7.3 COORDINATION ................................................................................................................................................................................................54

Selectivity diagram........................................................................................................................................................................................55

8 APPENDIX 56

8.1 APPENDIX A1 - Inverse time IEC curves .....................................................................................................................................................56

Mathematical formula ..................................................................................................................................................................................56

Phase overcurrent 50/51 - Standard inverse time curve (IEC 60255-3/BS142 type A)......................................................................57

Phase overcurrent 50/51 - Very inverse time curve (IEC 60255-3/BS142 type B) ..............................................................................58

Phase overcurrent 50/51 - Extremely inverse time curve (IEC 60255-3/BS142 type C).....................................................................59

Residual overcurrent 50N/51N - Standard inverse time curve (IEC 60255-3/BS142 type A)............................................................60

Residual overcurrent 50N/51N - Very inverse time curve (IEC 60255-3/BS142 type B) ....................................................................61

Residual overcurrent 50N/51N - Extremely inverse time curve (IEC 60255-3/BS142 type C)...........................................................62

8.2 APPENDIX A2 ..................................................................................................................................................................................................63

CONNECTION DIAGRAMS........................................................................................................................................................................................63

8.3 APPENDIX A3 - SETTING SHEET ...................................................................................................................................................................69

8.4 APPENDIX A4 - MODBUS PROTOCOL ..........................................................................................................................................................71

SIF5600 - Manual - 03 - 2008

1 I N T R O D U C T I O N

Scope

This document describes the technical characteristics of the SIF5600 digital protection relay, illus-

trating its functions and outlining all the instructions necessary for its assembly, adjustment and

start-up.

The manual includes a description of the Modbus messages and the map of the relevant addresses.

This document is updated periodically, information pertaining to revisions is represented by the issue

date.

Users suggestions for improving the document and any corrections are very welcome

Applicability

This document relates to SIF5600 versions with or without displays having:

- ﬁrmware release 2.10 and references for 2.00 release (inverse time curves inside Appendix 8)

- MODBUS messages 1.00 release

Conformity

The product complies with EU directives pertaining to:

- EMC directive 89/336/EEC

- LV directive 73/23/EEC

Technical support

Contacs: THYTRONIC Technical service www.thytronic.it

as well as copying or altering the firmware and corresponding software is strictly forbidden.

Warranty

The product is covered by one year warranty.

Safety recommendations

Users are strongly recommended to comply with the instructions contained in the following docu-

ment; particularly, it is necessary to pay special attention to the symbols listed hereinafter:

All SIF5600 devices must be installed, operated, serviced and and maintained only by qualiﬁed per-

sonnel; Thytronic can assume no responsibility for the consequences as a result of improper use, or

failure to comply with the recommendations contained in this document.

Its is particularly recommended to:

- disconnecting from the power supply prior to performing any work inside the device;

- verify, with the aid of proper instruments, that there is no voltage over any of the input/output ter-

minals, paying particular attention to all circuits which may be supplied by external power sources

(logical inputs, blocking circuits, measuring inputs, etc..);

- pay particular attention when handling any metallic parts (front panel, connectors).

Insulation tests

Following insulation testing, which may lead to the production of dangerously high voltages (charged

capacitors, etc...), it is advised not to abruptly interrupt the test voltage but rather to reduce it gradu-

ally to zero.

CAUTION Means that death, several personal injury, or considerable equipement demage will occur

if safety precaution are disregarded

CAUTION Means that death, several personal injury, or considerable equipement demage will occur

if safety precaution are disregarded

WARNING Means that death, several personal injury, or considerable equipement demage can occur

if safety precaution are disregarded

WARNING Means that death, several personal injury, or considerable equipement demage can occur

if safety precaution are disregarded

CAUTION

Settings must be established on the basis of a coordination study.

Numerical values inside examples have educational purpose only; they don’t be used, in no way,

for actual applications.

CAUTION

Settings must be established on the basis of a coordination study.

Numerical values inside examples have educational purpose only; they don’t be used, in no way,

for actual applications.

66SIF5600 - Manual - 03 - 2008

Identiﬁcation

Identifying labels:

- a transparent adhesive label applied to the front panel comprising the complete code, the list of

protective functions, the operational range of the auxiliary supply voltage and the CE mark;

- connection diagram on the right hand side;

- the test certification label including the serial number and the test operators initials.

Current connections

The current input circuits do not have any automatic short-circuit devices for the current trans-

former secondary circuits, consequently it is necessary to avoid disconnecting such connections

prior to performing a short-circuiting step outwith the relay.

It is recommended that cabling of a suitable thickness be used in order to limit wear of the CT sec-

ondary circuits.

Environmental Conditions

The SIF5600 relay must be used under the environmental conditions indicated in the technical speci-

ﬁcations.

For use under any other conditions, special arrangement must be made prior to commissioning (air

conditioning systems, humidity control etc...).

In the presence of any potentially polluting substances (dusts, corrosive substances etc.) appropri-

ate filter systems must be used.

Symbols

The manual uses CEI/IEC standardised symbols wherever available:

e.g.: 50 = ANSI code for Instantaneous overcurrent relay protective function

The following typographic formats are used in this manual:

Menu titles are highlighted in bold

e.g.: “Set”

Examples of display messages are shown using the Courier font,

e.g.: “SIF DK5600”

Abbreviations/deﬁnitions

MMI (Man Machine Interface) Operator panel on the front of the SIF5600 relay

ThySetter

Reading and parameterizing software

52 or CB (Circuit Breaker) Breaker

SW Software

FW Firmware

CT Current transformers

Start Starting of a protective function (instantaneous)

Trip Tripping of a protective function (timed)

PW break (Pilot Wire break) Pilot wire break

PW shorted (Pilot Wire shorted)Short circuiting of pilot wire

Self test Self test

Blin1 Block input circuit (accelerated logic)

Blout1, Blout2 Block output circuit (accelerated logic)

IE Residual current

IL1...IL3 Phase currents.

Ex (x=1...8)IL1r...IL3r, IEr Phase and residual currents stored for eight events

Ex Cause (x=1...8) The function responsible for tripping in the eight events

Ex Phases (x=1...8) The phase on which the current has been detected which has ex-

ceeded the eight event trip threshold

K1...K4 Output relays

tTR1...tTR4 Output relay minimum activation times

I curves (Independent, Curves A, B, C) Trip characteristics (time-independent or inverse time in

accordance with curves A, B, C deﬁned by IEC

Upgrade Upgrading the ﬁrmware

tB, tF Accelerated logic timers

tVAL Minimum duration of an open/close command (200 ms)

tTR Minimum trip persistence time of the output relay

En Abbreviation for energized, in reference to operation of the output

relay with “normally energized” programming

DeEn Abbreviation for DeEnergized in reference to operation of the output

relay with “normally de-energized” programming

NoLatch Output relay programmed with automatic reset

Latch Output relay programmed with manual reset (Latched)

Note: a note believed to be useful for the description

SIF5600 - Manual - 03 - 2008

1 INTRODUCTION

Preface

The SIF5600 type digital protection relay provides protection for machinery and electricity lines

against overloads, short-circuiting between phases and ground faults, including phase overcurrent

and residual current functions.

Particularly, it may be used for the general protection of appliances connected to the MV distribution

grid in compliance with ENEL DK5600 speciﬁcations for applications envisaging maximum current

50-51 and ground fault 51N protective functions.

The setting and reading methods may be performed with the aid of a Personal Computer with sup-

porting bundled Software (along with the ThySetter) or by means of MODBUS® RS485 serial commu-

nication; for those models ﬁtted with displays, all the above mentioned operations may be performed

with the aid of the front ﬁtted keypad.

The relay is available in a number of versions distinguished by the operational range of the auxiliary

supply voltage, the presence of an alphanumeric display, the number of phase current inputs and

type of mounting.

Photos

88SIF5600 - Manual - 03 - 2008

Main characteristics

- Metal casing for projecting or ﬂash mounting;

- screw terminals;

- connections to CTs by means of detachable screw terminals (non short circuiting for the CTs);

- 2x16 character backlit LCD displays on versions SIF5600#3D and SIF5600#3F;

- ﬁve indicator LEDs on the front of the casing, two of which are dedicated to indicating the CB

position and the rest to showing ON (green), 50-51 (red) as well as showing tripping of the overload

and short-circuit functions, and 50N-51N (red) as well as indicating tripping of the ground fault func-

tions;

- key switch for enabling the breaker command buttons and enabling modiﬁcation of the settings;

- RESET button for resetting the LED indicators and output relays;

- breaker open-close buttons (CB OPEN, CB CLOSE);

- two power supply versions:

- auxiliary voltage 110...230 Vac - 110...220 Vdc,

- auxiliary voltage 24...48 Vac - 24...48 Vdc,

- one block input circuit and two output circuits for the logical selectivity (pilot wire accelerated log-

ic), associable with second maximum overcurrent protection (50) and/or maximum residual current

(50N) thresholds; the block input and output circuits are equipped with periodic pilot wire continuity

checking functions and breaker failure and pilot wire short-circuit backup timers.

- two logical inputs, dedicated to sampling the breaker status (52a and 52b);

- four output relays (K1...K4) with one change-over switch, independently programmable for START,

TRIPPING of each protective function threshold, SELF-TESTING or for controlling breaker opening/

closing. In addition, each output relay may be programmed to be normally energized or de-ener-

gized, and manually or automatically reset;

- isolated RS485 serial interface in the terminal block, operating by means of the MODBUS RTU pro-

tocol, for remote communication;

- isolated front panel RS232 serial interface with 9 pin connector, operating by means of the MOD-

BUS RTU protocol, for local communication. When activated it has priority with respect to the RS485

MODBUS RTU terminal interface;

- measurement of the current fundamental component effective value by means of DFT (Discrete

Fourier Transform) with 32 samplings per current period (sampling period of 625 ms at 50 Hz nominal

frequency or 521 ms at 60 Hz nominal frequency).

- recording of the last eight events.

A BFO type electro-optical converter module is envisaged whenever transmission of the accelerated

logic signals for any distance by means of multimodal ﬁbre optics is required.

The BFO module is in a casing suited to being mounted on a DIN rail, it has an auxiliary power supply,

and has 2 electrical to optical signal converters and 2 optical to electrical signal converters.

The most signiﬁcant circuit characteristics are:

- the complete absence of any traditional mechanical calibration devices, since all calibration coef-

ﬁcients are stored in non-volatile memory;

- galvanically isolated input and output circuits (including communication, block and digital input

circuits);

- measurement of input signals by means of sampling and conversion with 32 samplings per period;

- sampling of the state of the digital inputs with each process cycle (1...2 ms);

- optimal input signal ﬁltering by means of the use of combined analogue and digital ﬁlters;

- traditional mechanical type output output contacts;

- auxiliary power supply provided by means of a switching circuit, having a particularly wide opera-

tional range and very reduced power dissipation;

- two or three phase current inputs (for functions 50-51) with the following characteristics:

- nominal phase current In1 A, 5 A selectable by means of jumpers;

- nominal frequency 50 Hz.

- one residual current input (for functions 50N-51N) with the following characteristics:

- nominal current IEn 1 A, 5 A selectable by means of a jumper;

- nominal frequency 50 Hz.

The most signiﬁcant operational characteristics are:

- operations to alter the characteristics do not interrupt normal relay operation;

- the impossibility to program unacceptable parameter values, thanks to automatic range parameter

limitation for the corresponding calibration ﬁelds

SIF5600 - Manual - 03 - 2008

3 T E C H N I C A L D A T A

3.1 GENERAL

Mechanical data

Mounting ﬂush or projecting

Protection degree IP51

Terminals plug screw connection

Max sections of the cables 2.5/4 mm2

Mass 2.0 kg

Insulation test

Reference standards EN60255-5, EN61010

Rated insulation voltage 250V

Overvoltage category III

AC voltage test 50Hz (1 min):

- auxiliary power supply 2 kV

- input circuits 2 kV

- output circuits 2 kV

- output circuits (between open contacts) 1 kV

- RS232/RS485 interfaces 500 V

Impulse voltage test (1.2/50 ms):

- auxiliary power supply 5 kV

- input circuits 5 kV

- output circuits 5 kV

- output circuits (between open contacts) 2.5 kV

Insulation resistance >100 MW

EMC tests

Reference standards

- Product standard for measuring relay

and protection equipment EN50263

- Immunity generic standard EN61000-6-2 (ex EN50082-2)

Apparati di automazione e controllo per centrali e stazioni elettriche (ENEL Italian Utility)

- Compatibilità elettromagnetica - Immunità ENEL REMC 02

- Normativa di compatibilità elettromeccanica

per apparati e sistemi ENEL REMC 01

Voltage dip and interruption

Reference standard EN61000-4-11,IEC60255-11

AC voltage auxiliary power supply (50 Hz)

- voltage dips with UT=40% 100 ms

- voltage dips with UT=0% 50 ms

DC voltage auxiliary power supply

- voltage dips with UT=40% 100 ms

- voltage dips with UT=0% 50 ms

- voltage variations UN=80...120% 10 s

EMC tests for interference immunity

Reference standards EN60255-22-1 IEC60255-22-1

Damped oscillatory wave

- 1 MHz differential test voltage 1 kV

- 1 MHz common mode test voltage 2.5 kV

Reference standards EN60255-22-2, IEC60255-22-2

EN61000-4-2

Electrostatic discharge

- contact discharge 8 kV

- air discharge 15 kV

Reference standards EN60255-22-3 IEC61000-4-3

Irradiation with RF ﬁeld:

- 80...1000 MHz AM 80% 10 V/m

- 900 MHz Pulse modulated 10 V/m

Reference standards EN60255-22-4 IEC60255-22-4 IEC61000-4-4

Fast transient burst 4 kV



10 SIF5600 - Manual - 03 - 2008

Reference standards EN60255-22-5 IEC61000-4-5

High energy surge:

- open circuit voltage (1.2/50 ms, Ri=2 W) 4 kV

- short circuit current (8/20 ms) 400 A

- Uaux common mode (10 W, 9 mF) 2 kV

- Uaux differential mode (0 W, 18 mF) 1 kV

- I/O circuits common mode( 40 W, 0.5 mF) 2 kV

- I/O circuits differential mode (40 W, 0.5 mF) 1 kV

Reference standards EN60255-22-6 IEC61000-4-6

Conducted RF:

- 0.15...80 MHz AM 80% 1kHz 10 V

Reference standards IEC61000-4-8

Power frequency magnetic ﬁeld

- 50 Hz continuous 100 A/m

- 50 Hz 1 s 1 kA/m

Reference standards EN61000-4-9 IEC61000-4-9

Pulse magnetic ﬁeld

- generator (16.4/16 ms, 1000A) 1000 A/m

Reference standards EN61000-4-10 IEC61000-4-10

Damped magnetic ﬁeld

- damped wave 0.1 MHz 100 A/m

- damped wave 1 MHz 100 A/m

Reference standards EN61000-4-12 IEC61000-4-12

Oscillatory waves

- damped oscillatory wave 0.1 MHz 2.5 kV

- damped oscillatory wave 1 MHz 1.0 kV

- common mode ring wave 2.0 kV

- differential mode ring wave 1.0 kV

Reference standards EN6100-4-16

Common mode disturbances in the frequency range 0 Hz...150 kHz

- dc voltage 30 V

- 50 Hz continuous 30 V

- 50 Hzr 1 s 300 V

- 0.015...150 kHz 30 V

Emission tests

Reference standards EN61000-6-4 (ex EN50081-2) EN55022 EN60255-25

- conducted emission (auxiliary power supply) 0.15...0.5 MHz 79 dB mV

0.5...30 MHz 73 dB mV

- radiated emission 30...230 MHz 40 dB mV/m

230...1000 MHz 47 dB mV/m

Climatic tests

Reference standards IEC60068-2 ENEL R CLI 01 CEI 50

Mechanical tests

Reference standards EN60255-21-1 EN60255-21-2 RMEC01

Vibration, shock and seismic vibration

- EN60255-21-1 vibration (sinusoidal) Classe 1

- EN60255-21-2 shock Classe 1

Safety

Reference standards EN61010-1

- pollution degree 3

Rated insulation voltage 250V

Overvoltage category III

High voltage test 50Hz 2 kV 60s

Impulse voltage withstand (1.2/50 ms) 5 kV

Other standards

- Electrical relays EN61810-1 (ex CEI 41-1)

IEC 60255

- Climatic and mechanical CEI 50

IEC 60068

- protection degree (IP code) EN60529, EN60529/A1

- CE conformity 89/336/EEC

- Low voltage 73/23/EEC



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