Megger SVERKER 650 Manuale utente

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User’s Manual

SVERKER 650

Relay Test Unit

Art No. ZP-BA01E Doc. BA0143KE V04A 2016

Contents

1 Safety

............................................................. 4

1.1 Symbols on the instrument ..........................4

1.2 Safety instructions........................................4

2 Introduction

............................................................. 6

3 Control panel

............................................................. 8

4 Operating instructions

........................................................... 10

4.1 General......................................................10

4.2 Testing current relays .................................10

4.3 Testing voltage relays .................................11

4.4 Testing power relays...................................11

4.5 Time measurement ....................................12

4.6 Time measurement of over-current and over-

voltage relays ..........................................12

4.7 Time measurement of under-current and

under-voltage relays ................................13

5 Speciﬁcations

........................................................... 14

SVERKER 650

Relay Test Unit

NOTICE OF COPYRIGHT & PROPRIETARY RIGHTS

The contents of this manual are the property of Megger Sweden AB. No part of this work may be reproduced or transmitted in any form or

by any means, except as permitted in written license agreement with Megger Sweden AB. Megger Sweden AB has made every reasonable

attempt to ensure the completeness and accuracy of this document. However, the information contained in this manual is subject to change

without notice, and does not represent a commitment on the part of Megger Sweden AB. Any attached hardware schematics and technical

descriptions, or software listings that disclose source code, are for informational purposes only. Reproduction in whole or in part to create

working hardware or software for other than Megger Sweden AB products is strictly prohibited, except as permitted by written license

agreement with Megger Sweden AB.

TRADEMARK NOTICES

Megger® and Programma® are trademarks registered in the U.S. and other countries. All other brand and product names mentioned in this

document are trademarks or registered trademarks of their respective companies.

Megger Sweden AB is certiﬁed according to ISO 9001 and 14001.

User’s Manual

Postal address:

Megger Sweden AB

Box 724

SE-182 17 DANDERYD

SWEDEN

T +46 8 510 195 00

F +46 8 510 195 95

seinfo@megger.com

www.megger.com

Visiting address:

Megger Sweden AB

Rinkebyvägen 19

SE-182 36 DANDERYD

SWEDEN

BA0143KE ZP-BA01E SVERKER 650 3

4SVERKER 650 ZP-BA01E BA0143KE

1 SAFETY

1Safety

1.1 Symbols on the

instrument

Caution, refer to accompanying docu-

ments.

Protective conductor terminal.

WEEE, Waste Electrical and Electronic

Equipment. Please utilize your local

WEEE collection facilities in the dispo-

sition of this product and otherwise

observe all applicable requirements.

1.2 Safety instructions

Important

Read and comply with the following in-

structions.

Always comply with local safety regula-

tions.

Warning

High voltage/current on input/output terminals.

Do not attempt to service the instrument yourself.

Opening or removing covers may expose you to dan-

gerous voltage. If you attempt to service the instru-

ment yourself the warranty is no longer valid.

Do not use any accessories that are not intended for

use together with the instrument.

Disconnect the instrument from the mains before

cleaning. Use a damp cloth for cleaning. Do not use

liquid cleaners or aerosol cleaners.

Important

Always turn the equipment off before connecting.

The terminal of the current transformer shall always

be short-circuited when current is ﬂowing from the

instrument, either through the short-circuit clamp or

through an external ammeter.

Always use safety connecting leads.

Always connect protective earth (ground).

Never leave the instrument unattended while it is

turned on.

Use only approved mains detachable cable set with

the instrument. Main supply cables shall be rated

for the maximum current for the equipment and the

cable shall meet the requirements of IEC 60227 or IEC

60245. Mains supply cables certiﬁed or approved by a

recognized testing authority are regarded as meeting

this requirement.

BA0143KE ZP-BA01E SVERKER 650 5

1 SAFETY

Unplug the instrument from the mains supply when it

is left unattended or not in use.

Refer all servicing to Megger authorized personnel.

If you need to return the instrument, please use either

the original crate or one of equivalent strength

6SVERKER 650 ZP-BA01E BA0143KE

2 INTRODUCTION

The SVERKER 650 is a rugged instrument but it still

should be handled with care.

The relay testing unit is electrically fully isolated in all

measuring ranges, except for the mains output. The

set of resistors is not connected with the rest of the

relay testing unit set.

When current measurement is crucial; use an exter-

nal instrument with a more accurate resolution. The

external instrument can be connected to the built-in

current transformer (terminal W2).

Relays with non-linear impedance can cause distortion

of the current. This can be restrained by connecting

a resistance (as high as possible) in series with the

primary winding of the output transformer (terminal

W1).

The output transformer is protected by a thermal

contact. If the thermal contact trips, the display of the

timer will go out. The thermal contact will be reset

automatically when the temperature drops.

The output (U6) is provided with over-current protec-

tion, that will break the circuit in case of overload.

The protection is reset if (S2) is switched off in aprox.

30seconds.

2Introduction

BA0143KE ZP-BA01E SVERKER 650 7

3 CONTROL PANEL

8SVERKER 650 ZP-BA01E BA0143KE

3 CONTROL PANEL

3Control panel

Terminals Unloaded

(Mains 230 V)

Settable

with

U1 0-10 A 85-90 V CA T1

U2 0-40 A 25-27 V CA T1

U3 0-100 A 10.0-11.0 V CA T1

U4 0-250 V, 3 A 250-270 V CA T1

U5 0-350 V, 2 A 350-370 V DC T1

U6 20-220 V DC R5

▪The voltage is stabilized and variable in two steps

with the switch S3.

▪Characteristics at input voltage 220 V AC + 10 %

Ripple (peak to peak) max 4 %

▪Load regulation 3 %

▪Line regulation less than 4 %

U7 110 V 0.3 A 110-125 V CA

F1 Automatic cut-out for the mains voltage, 4 A

F2 Automatic cut-out 3 A

F3 Automatic cut-out 0.5 A

E1 Green indicator for mains voltage

E2 Yellow signal lamp in the trip circuit

MI Mains input

MO Mains output

P1 Electric timer, independent of mains frequency

Measuring range 0-999.999 sec. Accuracy 0.002%

of readout +0,-2 ms

P2 Input for stop of timer

P3 Ammeter class 1.5

R Resistors

C1 Capacitor 10 F/450 V AC for reactive power relays

U3U2

W1 W2

BA0143KE ZP-BA01E SVERKER 650 9

3 CONTROL PANEL

S1 Main switch

S2 On/off switch for terminals U6 and U7

S3 Selector voltage range terminal U6

S4 Make/break switch for timer

R5 Voltage adjustment terminal U6

W1 Terminal for connection of a resistor on the primary

side of the output transformer

W2 Terminal for an external ammeter

W3 Terminal for external start and stop of timer

W4 Terminal for starting external operation

10 SVERKER 650 ZP-BA01E BA0143KE

4 OPERATING INSTRUCTIONS

4Operating instructions

4.1 General

Important

Read the manual and comply with the

Safety instructions, see page 5, before us-

ing SVERKER 650.

Always comply with local safety regula-

tions.

The terminal of the current transformer

shall always be short-circuited when

current is ﬂowing from the instrument,

either through the short-circuit clamp or

through an external ammeter..

4.2 Testing current relays

1] Set the variable transformer in position “0”.

2] Connect the circuit, use output terminals

0-10 A (85 V), 0-40 A (25 V) or 0-100 A (10 V).

3] Increase the current to the operating value

using the variable transformer.

4] Check the current on the ammeter or exter-

nal instrument during the test.

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