Megger CSU600A Bedienungsanleitung

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User’s Manual

CSU600A/AT

Current Supply Units

Art No. ZP-BF05E Doc. BF0217CE V01 2014

CSU600A/AT

Current Supply Units

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

BF0217CE ZP-BF05E CSU600A/AT 3

4CSU600A/AT ZP-BF05E BF0217CE

1 SAFETY

1Safety

Important

Read the manual and comply with the fol‑

lowing instructions before using

CSU600A/AT.

Always comply with local safety regula‑

tions.

WARNING

Protective ground (earth)

Single ground system. This equipment can be used

only in electrical systems with single ground.

The user must verify before connecting this unit to

power, that High Voltage Ground and Low Voltage

Protective Ground create a single protective ground

with no measurable voltage potential existing be-

tween these ground systems. If a voltage potential

is found between the ground systems please consult

local safety regulations.

Mains cord with protective conductor. The CSU600A/

AT is equipped with a power cord with integrated

safety ground pin. Do not defeat the safety ground in

any manner. The equipment must be connected to a

grounded mains outlet. Not doing so may result in ﬁre

or electric shock.

Separate ground wire. The CSU600A/AT case must

also be grounded by the separate protective ground

wire with connection to the Protective Conductor

Terminal on top of the CSU600A/AT.

Check the continuity of the protective ground wire

before each use. Make sure the connector is fastened

properly to the CSU600A/AT Protective Conductor Ter-

minal. Make sure the connection point at the ground

system is fastened properly. Route the wire so that it is

unlikely to be walked on or that it may loosen acci-

dentally by someone or something moving near it.

Note: The protective ground wire must not be loos-

ened while any input connector is attached to the

contacts of a high voltage circuit breaker or another

device being subject to inductive or capacitive coupled

interference from surrounding high voltage wires.

Always ground the CSU600A/AT.

Before connecting CSU600A/AT, turn off its master

ON/OFF switch.

Only connect CSU600A/AT to an outlet protected with

16 A overcurrent protection.

Unplug CSU600A/AT from the mains supply when it is

left unattended or not in use.

Do not attempt to service the CSU600A/AT your-

self. Opening or removing covers may expose you

to dangerous voltage. If you attempt to service the

CSU600A/AT yourself the warranty is no longer valid.

Do not use any accessories that are not intended for

use together with the CSU600A/AT.

Unplug CSU600A/AT from the wall outlet before

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

liquid cleaners or aerosol cleaners.

CAUTION

Use only approved mains detachable cable set with

the CSU600A/AT. 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.

Refer all servicing to qualiﬁed service personnel.

If you need to return CSU600A/AT, please use either

the original crate or one of equivalent strength.

BF0217CE ZP-BF05E CSU600A/AT 5

2 CONTROL PANELS

6CSU600A/AT ZP-BF05E BF0217CE

2 CONTROL PANELS

2Control panels

CSU600A

1. Output terminals, 0‑600 A AC

2. Output for external ammeter, 600/6 A

Important

If not in use, this output must be short circuited.

3. Miniature circuit breaker for mains power

4. Red lamp which indicates that thermal cutout

has been triggered

5. Mains power connector

6. t‑output, used to trig external equipment, for

example a SVERKER™ when testing differen‑

tial relays. Contacts are syncronized with (7)

7. Current output ON/OFF

8. Protective ground conductor terminal

9. Mains‑power‑on indicator lamp

10. Current control knob

BF0217CE ZP-BF05E CSU600A/AT 7

2 CONTROL PANELS

CSU600AT

1. Output terminals 0–600 A AC

2. Output for external ammeter, 600/6 A

Important

If not in use, this output must be short circuited.

3. Miniature circuit breaker for mains power

4. Red lamp which indicates that thermal cutout

has been triggered

5. Mains power connector

6. t‑output, used to trig external equipment, for

example a SVERKER™ when testing differen‑

tial relays. Contacts are syncronized with (7)

7. Current output ON/OFF

8. Protective ground conductor terminal

9. Mains‑power‑on indicator lamp

10. Current control knob

11. Timer (0 ‑ 999.999 s)

12. Current indicator

13. Function switch (open or close function)

14. Timer stop input

15. Signal lamp for timer stop

8CSU600A/AT ZP-BF05E BF0217CE

3 OPERATING INSTRUCTIONS

3Operating

instructions

General

Current Supply Units CSU600A/AT are used for:

• Performance and transformation-ratio testing of

current transformers.

• Primary testing of relay-type cutouts.

• Testing circuit breakers.

• Commissioning of substation switchgear.

Operating

Warning

Make certain that switch (7) is at the OFF

(0) position before making the connec‑

tions.

1] Connect CSU600A/AT to ground (protective

earth), terminal (8).

2] Set the variable transformer down to zero.

3] Connect the current cables to the device to

be tested.

4] Connect CSU600A/AT to mains power.

5] Set the switch (7) in ON‑position, ”1".

6] Check the output current using an external

ammeter. Connect the external ammeter to

the built‑in current transformer via terminal

(2).

Important

When a load is applied to the CSU600A/AT, con-

nector (2) must be short-circuited either via the

jumper that accompanies the equipment or an

external ammeter.

7] Adjust the output current to the desired

value using the current control knob (9).

Note Do not exceed maximum load time, see

"Speciﬁcations".

If you use a CSU600A and want to complete

the test with time measurements, see "Con-

necting a timer to CSU600A" below.

8] When you are finished, do not disconnect the

current cables from the output terminals until

you have turned switch (7) back to the OFF

"0" position.

Note The output transformer is protected with a ther-

mal cut out. If it has been triggered the red lamp

(4) will light. This protection will be automatically

reset when the temperature drops.

Timer stop input (CSU600AT)

The stop input can be connected to potential-free

terminals or to 12 – 250 V DC.

The timer can be stopped in the following ways:

BF0217CE ZP-BF05E CSU600A/AT 9

3 OPERATING INSTRUCTIONS

a) When a voltage is applied to the stop input or

when a contact is closed.

b) When a voltage applied to the stop input van-

ishes or when a contact is opened

When the timer is stopped, the current generation

stops and the signal lamp (15) lights up.

Important

You must apply the voltage with right

polarity otherwise the timer wont stop.

Note If the overheat protection has tripped the

timer display will go out. It will reset automati-

cally when the temperature drops.

Connecting a timer to CSU600A

1] Set switch (7) to OFF (0) position.

2] Connect the timer’s (Megger TM200 is

recommended) start input to the start timer

terminals (6). Connect the timer stop input

to a suitable point where it will detect the

triggering of a relay‑type cutout, a circuit

breaker or the like.

3] Set switch (7) to the ON (1) position. When

current is sent to the output terminals, start

timer terminals will be short‑circuited and the

timer will start.

10 CSU600A/AT ZP-BF05E BF0217CE

4 SPECIFICATIONS

4Speciﬁcations

Speciﬁcations CSU600A/AT

Speciﬁcations are valid at nominal input voltage and an ambient

temperature of +25°C, (77°F). Speciﬁcations are subject to change

without notice.

Environment

Application ﬁeld The instrument is intended for use

in high-voltage substations and

industrial environments.

Temperature

Operating 0°C to +50°C (32°F to +122°F)

Storage & trans-

port

-40°C to +70°C (-40°F to +158°F)

Humidity 5% – 95% RH, non-condensing

CE-marking

LVD Low Voltage Directive 73/23/ EEC

am. by 93/68/EEC

EMC EMC Directive 89/336/EEC am. by

91/263/EEC, 92/31/EEC and 93/68/

EEC

General

Mains voltage 115 or 230 V AC, 50/ 60 Hz

Power consumption (max) 115 V, 667 VA cont. (interm. 3738

VA)

230 V, 851 VA cont. (interm. 6440

VA)

Protection Thermal cut-outs and miniature

circuit breakers

Dimensions

Instrument 356 x 203 x 241 mm

(14.0” x 8.0” x 9.5”)

Transport case 610 x 290 x 360 mm

(24.0” x 11.4” x 14.2”)

Weight 21.9 kg (48 lbs)

38.3 kg (84.4 lbs) with accessories

and carrying case

Current cables 2 x 5 m (16 ft), 50 mm²

Measurement section

Output for external am-

meter

600/6A

Inaccuracy ±0.5%

Timer (only CSU600AT)

Range 0-999.999 s

Resolution 1 ms

Inaccuracy ±0.02% of shown value + 0 to 2 ms

Other Output for starting external timer

Outputs, AC, intermittent output 1) (CAT I)

115 V mains voltage 230 V mains voltage

Current Load time Minimum

output

voltage

Load time Mini-

mum

output

voltage

0 A Cont. 6.0 V Cont. 9.5 V

75 A – – Cont. 9.3 V

100 A Cont 5.6 V 1 h 9.0 V

200 A 15 min 5.3 V 5 min 8.5 V

300 A 1.5 min 4.9 V 2 min 8.0 V

400 A 1 min 4.6 V 1 min 7.5 V

500 A 20 s 4.2 V 30 s 7.0 V

600 A 15 s 3.9 V 20 s 6.5 V

1) Maximum load time from cold state 25°C (77°F). Not valid for repeated tests.

Maximum cable lengths at 600 A

115 V mains 2 x 5 m (16 ft), 70 mm²

230 V mains 2 x 5 m (16 ft), 50 mm²

2 x 10 m (33 ft), 70 mm²

2 x 15 m (49 ft), 95 mm²

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