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
© 2007-2015, Megger Sweden AB. All rights reserved.
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
1Safety
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.
30seconds.
2Introduction
BA0143KE ZP-BA01E SVERKER 650 7
3 CONTROL PANEL
8SVERKER 650 ZP-BA01E BA0143KE
3 CONTROL PANEL
3Control 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
U1
U4
U3U2
U5
C1
F2
F3
E1
P2
U6
S2
MI
S3
U7
S1
F1
P1
R5
E2
P3
W3
W1 W2
R
S4
MO
T1
W4
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
4Operating 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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