DEMA 400 Series Manuale utente

DPM 400 D

DIRECTIONAL PROTECTION RELAY

USER GUIDE


 
I. Index 
 
I. Index .......................................................................................................................... 2 
Introduction.............................................................................................................. 16 
General Characteristics of 400 Series Relays.......................................................... 16 
General Features of 400 Series Relays..................................................................................... 19 
Physical Properties of 400 Series Relays................................................................. 20 
1 Case..................................................................................................................... 20 
2 ............................................................................................. 20 
3  ............................................................................................. 20 
4 Trip LED............................................................................................................. 20 
5 Alarm LED.......................................................................................................... 20 
6 Power LED......................................................................................................... 21 
7 Internal Error LED............................................................................................. 21 
8 Ethernet Port ...................................................................................................... 21 
10  ............................................................................................... 21 
11 Multifunctional Buttons ................................................................................................. 21 
12 Internal Unit Lock.......................................................................................................... 21 
13 Reset Button..................................................................................................................... 21 
14 IP52 Reset Button............................................................................................................. 21 
15 Device Label .................................................................................................................... 22 
16 Case Earthing Screw ........................................................................................................ 22 
17 Terminal Blocks............................................................................................................... 22 
18 Special Coating Case........................................................................................................ 22 
19 Circuit Diagram................................................................................................................ 23 
20 Internal Unit ..................................................................................................................... 23 
21 Mounting Screws for the Cover ....................................................................................... 23 
22 Internal Unit Tracks ......................................................................................................... 23 
23 Case Earthing Continuity Contact.................................................................................... 24 
24 Faraday Cage.................................................................................................................... 24 
25 Unit Terminal Blocks....................................................................................................... 25 
26 Internal Unit Tracks ......................................................................................................... 25 
27 Internal Unit Locking Mechanism ................................................................................... 25 
28 Internal Unit Lock Handle and Release Trigger .............................................................. 25 


 
29 Lock Button...................................................................................................................... 25 
30 Mounting Screws for the Cover ....................................................................................... 26 
31 Terminal Plugs ................................................................................................................. 26 
32 Lock Pivot ........................................................................................................................ 26 
33 Mounting Holes................................................................................................................ 26 
Main Menu............................................................................................................... 27 
1 Informations........................................................................................................ 28 
2 Measurements ..................................................................................................... 28 
2.1 Input Monitoring-------------------------------------------------------------------------30 
2.2 Output Relay Monitoring----------------------------------------------------------------30 
2.3 All Fundamental Measurements-------------------------------------------------------31 
2.4 All RMS Measurements -----------------------------------------------------------------32 
2.5 RMS Currents ----------------------------------------------------------------------------33 
2.6 Phase-Neutral Voltages -----------------------------------------------------------------33 
2.7 Phase-Phase Voltages -------------------------------------------------------------------34 
2.8 I0 - I1 - I2-----------------------------------------------------------------------------------34 
2.9 V0- V1- V2--------------------------------------------------------------------------------35 
2.10 Thermal Overload ------------------------------------------------------------------------35 
2.11 Power Measurements --------------------------------------------------------------------36 
2.12 LED States--------------------------------------------------------------------------------37 
2.13 Current Breaker Monitoring ------------------------------------------------------------37 
2.14 Instant Max Currents---------------------------------------------------------------------38 
2.15 Demand Measurements -----------------------------------------------------------------39 
2.16 Energy-------------------------------------------------------------------------------------39 
2.17 Analog mA Input ------------------------------------------------------------------------40 
3 Protection Settings ............................................................................................. 40 
3.1 Protection and Reset Curves -----------------------------------------------------------42 
3.1.1 IEC Inverse Time Protection Curves......................................................................43 
3.1.2 IEC Thermal Overload Protection Curves...............................................................45 
3.1.3 ANSI / IEEE Inverse Time Protection Curves ........................................................47 
3.1.4 Custom Protection Curves.......................................................................................48 
3.1.4.1 Definite Time Protection and Reset Delays ( DMT ).............................51 
3.1.4.2 Inverse Definite Time Reset Curves ( IDMT )......................................52 
3.2 Current Protection Settings-------------------------------------------------------------53 
3.2.1 50/51P Phase Overcurrent Protection...................................................................54 


 
3.2.1.1 Protection................................................................................................55 
3.2.1.2 Start Value.............................................................................................55 
3.2.1.3 Delay Type .............................................................................................55 
3.2.1. 4 Operate Delay......................................................................................55 
3.2.1.5 TMS.......................................................................................................55 
3.2.1.6 Reset Type..............................................................................................55 
3.2.1.7 Reset Delay............................................................................................56 
3.2.1.8 Measurement Mode...............................................................................56 
3.2.2 Earth Overcurrent Protection..................................................................................56 
3.2.2.1 Protection................................................................................................57 
3.2.2.2 Start Value..............................................................................................58 
3.2.2.3 Delay Type .............................................................................................58 
3.2.2.4 Operate Delay........................................................................................58 
3.2.2.5 TMS.......................................................................................................58 
3.2.2.6 Reset Type.............................................................................................58 
3.2.2.7 Reset Delay............................................................................................59 
3.2.2.8 RTMS ....................................................................................................59 
3.2.2.9 Measurement Mode...............................................................................59 
3.2.3 49 Thermal Overload Protection .........................................................................59 
3.2.3.1 Protection................................................................................................60 
3.2.3.2 I>...........................................................................................................60 
3.2.3.3 Te.............................................................................................................61 
3.2.3.4 k.............................................................................................................61 
3.2.3.5  .....................................................................................................61 
3.2.3.6 Alarm......................................................................................................61 
3.2.3.7  ..................................................................................................62 
3.2.3.8 ...................................................................................................62 
3.2.4 67P Directional Phase Overcurent Protection ......................................................62 
3.2.4.1 Protection...............................................................................................63 
3.2.4.2 Start Value.............................................................................................64 
3.2.4.3 Delay Type ............................................................................................64 
3.2.4.4 Operate Delay.........................................................................................64 
3.2.4.5 TMS.......................................................................................................64 
3.2.4.6 Reset Type.............................................................................................64 
3.2.4.7 Reset Delay............................................................................................65 


 
3.2.4.8 RTMS .....................................................................................................65 
3.2.4.9 Trip Zone................................................................................................65 
3.2.4.10 Torque Angle..........................................................................................65 
3.2.4.11 Direction Mode.......................................................................................65 
3.2.4.12 Measurement Mode...............................................................................66 
3.2.5 67N Directional Earth Overcurrent Protection....................................................66 
3.2.5.1 Protection...............................................................................................67 
3.2.5.2 Start Value.............................................................................................67 
3.2.5.3 U0Start Value........................................................................................67 
3.2.5.4 Delay Type ............................................................................................67 
3.2.5.5 Operate Delay.........................................................................................68 
3.2.5.6 TMS.......................................................................................................68 
3.2.5.7 Reset Type..............................................................................................68 
3.2.5.8 Reset Delay.............................................................................................68 
3.2.5.9 RTMS .....................................................................................................69 
3.2.5.10 Trip Zone..............................................................................................69 
3.2.5.11 Torque Angle..........................................................................................69 
3.2.5.12 Direction Mode.......................................................................................69 
3.2.5.13 Measurement Mode...............................................................................69 
3.2.6 37P Phase Undercurrent Protection........................................................................69 
3.2.6.1 Protection...............................................................................................70 
3.2.6.2 Start Value.............................................................................................71 
3.2.6.3 Operate Delay........................................................................................71 
3.2.6.4 Reset Delay............................................................................................71 
3.2.6.5 Inhibit on 52A.........................................................................................71 
3.2.6.6 Inhibit on U< .........................................................................................71 
3.2.6.7 U< Locking Level..................................................................................71 
3.2.6.8 Measurement Mode................................................................................71 
3.2.7 46-Negative Sequence Overcurrent Protection.......................................................72 
3.2.7.1 Protection...............................................................................................73 
3.2.7.2 Start Value..............................................................................................73 
3.2.7.3 Delay Type .............................................................................................73 
3.2.7.4 Operate Delay.........................................................................................73 
3.2.7.5 TMS.......................................................................................................73 
3.2.7.6 Reset Type.............................................................................................73 


 
3.2.7.7 Reset Delay.............................................................................................74 
3.2.7.8 RTMS ....................................................................................................74 
3.3 Voltage Protection Settings ------------------------------------------------------------74 
3.3.1 59 Over voltage Protection..................................................................................75 
3.3.1.1 Protection................................................................................................76 
3.3.1.2 Start Value..............................................................................................76 
3.3.1.3 Operate Delay........................................................................................76 
3.3.1.4 Reset Delay............................................................................................76 
3.3.1.5 Hysteresis...............................................................................................77 
3.3.1.6 Measurement Mode...............................................................................77 
3.3.1.7 Phase Operation Mode............................................................................77 
3.3.2 27- Under Voltage Protection.................................................................................77 
3.3.2.1 Protection...............................................................................................79 
3.3.2.1 Start Value..............................................................................................79 
3.3.2.3 Operate Delay.........................................................................................79 
3.3.2.4 Reset Delay............................................................................................79 
3.3.2.5 Inhibit on U< .........................................................................................79 
3.3.2.6 U< Locking Level..................................................................................79 
3.3.2.7 Hysteresis...............................................................................................80 
3.3.2.8 Measurement Mode................................................................................80 
3.3.2.9 Phase Operation Mode............................................................................80 
3.3.3 47 Negative Sequence Over Voltage Protection ...................................................80 
3.3.3.1 Protection...............................................................................................81 
3.3.3.2 Start Value.............................................................................................81 
3.3.3.3 Operate Delay.........................................................................................81 
3.3.3.4 Reset Delay............................................................................................81 
3.3.3.5 Hysteresis...............................................................................................82 
3.3.4 59N Notr Over Voltage Protection......................................................................82 
3.3.4.1 Protection...............................................................................................83 
3.3.4.2 Start Value..............................................................................................83 
3.3.4.3 Operate Delay.........................................................................................83 
3.3.4.4 Reset Delay............................................................................................83 
3.3.4.5 Hysteresis................................................................................................84 
3.4 Frequency Protection Settings----------------------------------------------------------84 
3.4.1 81U Under Frequency Protection.........................................................................85 


 
3.4.1.1 Protection...............................................................................................86 
3.4.1.2 Start Value.............................................................................................86 
3.4.1.3 Operate Delay.........................................................................................86 
3.4.1.4 Reset Delay............................................................................................86 
3.4.1.5 Hysteresis...............................................................................................87 
3.4.2 81O Over Frequency Protection..........................................................................87 
3.4.2.1 Protection................................................................................................88 
3.4.2.2 Start Value..............................................................................................88 
3.4.2.3 Operate Delay.........................................................................................88 
3.4.2.4 Reset Delay............................................................................................88 
3.4.2.5 Hysteresis................................................................................................89 
3.4.3 81R Rate of Change of Frequency Protection.....................................................89 
3.4.3.1 Protection................................................................................................90 
3.4.3.2 Start Value..............................................................................................90 
3.4.3.3 Operate Delay........................................................................................91 
3.4.3.4 Reset Delay............................................................................................91 
3.5 Power Protection Settings---------------------------------------------------------------91 
3.5.1 32OP Directional Active Over Power .................................................................92 
3.5.1.1 Protection................................................................................................93 
3.5.1.2 Start Value..............................................................................................93 
3.5.1.3 Direction Angle .....................................................................................94 
3.5.1.4 Operate Delay.........................................................................................94 
3.5.1.5 Reset Delay............................................................................................94 
3.5.1.6 Hysteresis...............................................................................................94 
3.5.2 32UP Directional Active Under Power ................................................................94 
3.5.2.1 Protection................................................................................................95 
3.5.2.2 Start Value..............................................................................................95 
3.5.2.3 Direction Angle .....................................................................................96 
3.5.2.4 Operate Delay.........................................................................................96 
3.5.2.5 Reset Delay............................................................................................96 
3.5.2.6 Inhibit on P<...........................................................................................96 
3.5.2.7 P< Locking Level ...................................................................................96 
3.5.2.8 Hysteresis...............................................................................................96 
3.5.3 32OQ Directional Reactive Over Power 133 ......................................................97 
3.5.3.1 Protection...............................................................................................97 


 
3.5.3.2 Start Value..............................................................................................98 
3.5.3.3 Direction Angle ......................................................................................98 
3.5.3.4 Operate Delay.........................................................................................98 
3.5.3.5 Reset Delay............................................................................................98 
3.5.3.6 Hysteresis................................................................................................98 
3.5.4 32UQ Directional Reactive Under Power ...........................................................98 
3.5.4.1 Protection...............................................................................................99 
3.5.4.2 Start Value.............................................................................................99 
3.5.4.3 Direction Angle ...................................................................................100 
3.5.4.4 Operate Delay.......................................................................................100 
3.5.4.5 Reset Delay...........................................................................................100 
3.5.4.6 Inhibit on Q< .......................................................................................100 
3.5.4.7 Q< Locking Level.................................................................................100 
3.5.4.8 Hysteresis..............................................................................................100 
3.5.5 32N Wattmetric Earth Protection ......................................................................101 
3.5.5.1 Protection.............................................................................................102 
3.5.5.2 Start Value...........................................................................................102 
3.5.5.3 Delay Type ...........................................................................................102 
3.5.5.4 Operate Delay.......................................................................................102 
3.5.5.5 Reset Type............................................................................................102 
3.5.5.6 Reset Delay...........................................................................................102 
3.5.5.7 Hysteresis..............................................................................................103 
3.6 General Protection Settings ----------------------------------------------------------- 103 
3.6.1 Pe-Iecos Protection...............................................................................................103 
3.6.1.1 Mod.......................................................................................................103 
3.6.1.2 RCA.....................................................................................................103 
3.6.2 Frequency Protection.............................................................................................103 
3.6.2.1 Block U.................................................................................................103 
3.6.2.2 Number of Cycles................................................................................103 
3.6.2.3 Number of Valid.................................................................................104 
3.6.2.4 Inhibit>20 Hz/s....................................................................................104 
4 Automatic control ............................................................................................. 104 
4.1 46BC Broken Conductor------------------------------------------------------------ 104 
4.2 94/86 Output / Relay Trip Setting ------------------------------------------------- 104 
4.3 Trip Settings----------------------------------------------------------------------------- 104 


 
4.4 Output Settings----------------------------------------------------------------------------------- 104 
4.5 Input Settings---------------------------------------------------------------------------- 104 
4.6 Custom Input / Timer Relay ---------------------------------------------------------- 104 
4.7 Cold Load Pickup ---------------------------------------------------------------------- 105 
4.8 Blocking Selectivity Settings --------------------------------------------------------- 105 
4.9 68 Inrush Blocking-------------------------------------------------------------------- 105 
4.10 Delaying Logic Selectivity Setttings ------------------------------------------------ 105 
4.11 51V Voltage Controlled Overcurrent---------------------------------------------- 105 
4.12 VT Supervision ------------------------------------------------------------------------- 105 
4.13 CT Supervision ------------------------------------------------------------------------- 105 
4.14 Circuit Breaker Failure ---------------------------------------------------------------- 105 
4.15 Circuit Breaker Supervision----------------------------------------------------------- 105 
4.16 Trip Circuit Supervision--------------------------------------------------------------- 105 
4.17 Logical Equations ---------------------------------------------------------------------- 105 
5 System settings................................................................................................................. 106 
5.1 Language------------------------------------------------------------------------------------------ 106 
5.2 Function Symbol--------------------------------------------------------------------------------- 107 
5.3 Date-Time----------------------------------------------------------------------------------------- 108 
5.4 Bay Name-------------------------------------------------------------------------------- 108 
5.5 Device Name---------------------------------------------------------------------------- 108 
5.6 Nominal Frekans----------------------------------------------------------------------- 108 
5.7 LCD Lighting Time ------------------------------------------------------------------- 109 
5.8 Default Screen-------------------------------------------------------------------------- 109 
5.9 Default Screen Timeout --------------------------------------------------------------- 109 
5.10 Main Screen Measurement------------------------------------------------------------ 110 
6 Configuration ................................................................................................... 110 
6.1 General Options------------------------------------------------------------------------- 111 
6.2 Measurement Settings----------------------------------------------------------------- 112 
6.3 Disturbance Recoding----------------------------------------------------------------- 112 
6.4 Time Synchronization ----------------------------------------------------------------- 113 
6.5 CT / VT Settings------------------------------------------------------------------------ 113 
6.11 Alarm Settings ------------------------------------------------------------------------- 115 
6.12 Communication Settings -------------------------------------------------------------- 116 
6.13 Ethernet Interface Settings ------------------------------------------------------------ 116 
7 Recordings ........................................................................................................ 117 