SGC DF-2 Bedienungsanleitung

DF-2

MEDIUM VOLTAGE SWITCHGEAR

THE MODULAR CONCEPT

INSTRUCTION VDS EXCHANGE HR TO LRM D/EDN

READ THIS DOCUMENT CAREFULLY BEFORE ANY OPERATION

THE SPECIALIST IN MEDIUM VOLTAGE SWITCHGEAR

SwitchGear Company nv -Moorstraat 24 -B-9850 Nevele - Belgium

Tel: +32 (0)9/321.91.12 - e-mail: [email protected]u- www.switchgearcompany.eu

DW604316 (Rev.0 dd.26/04/2016) Page 2/11

The information provided herein may not be reproduced and/or (re)published in any way and by any means

(electronic or mechanical), without the prior, explicit written authorization of SGC nv - SwitchGear Company.

The information provided herein is based on general data concerning the construction, known at the time of

publication, and concerning the qualities of the material and working methods. Consequently, the right to make

changes is reserved.

The information contained within is applicable to the standard version of the DR-6 medium-voltage switchgear.

Therefore, SGC nv - SwitchGear Company cannot be held liable for any damage resulting from specifications that

differ from the standard version of the DR-6 medium-voltage switchgear.

The available information has been assembled with the greatest possible care, but SGC nv - SwitchGear

Company cannot be held liable for any mistakes in the information, or the consequences thereof.

The user names, trade names, trademarks, etc., used by SGC nv - SwitchGear Company cannot, in accordance

with the legislation concerning the protection of trademarks, considered to be free.

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TABLE OF CONTENTS

TABLE OF CONTENTS 3

PREFACE 4

INTRODUCTION 4

PICTOGRAMS AND SAFETY SYMBOLS IN AND ON THE MEDIUM VOLTAGE SWITCHGEAR 4

PICTOGRAMS IN THE DOCUMENTATION 5

RELATED DOCUMENTATION 5

SERVICE AND TECHNICAL SUPPORT 6

GENERAL SAFETY DIRECTIONS AND INSTRUCTIONS6

INTENDED USE 7

1CONTENT OF LRM KIT (D/EDN CUBICLE) 8

2VDS EXCHANGE ON A/D-EDN CUBICLE 8

2.1 DISASSEMBLY OF THE HR FRONTPLATE 9

2.2 MOUNTING OF THE LRM FRONTPLATE 10

2.3 INSTALLATION OF THE VOLTAGE INDICATOR 10

2.3.1 VERIFICATION OF THE C2 VALUE 10

2.3.1.1 Voltage range 5-11kV 10

2.3.1.2 Voltage range 10-24kV 10

2.3.2 CONNECTION BETWEEN CAPACITIVE INSULATORS AND VDS 11

3VERIFICATION OF THE PROPER FUNCTIONING 11

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PREFACE

Introduction

This document is intended as a reference for qualified and trained operators to install

the medium voltage switchgear in a safe and economical way.

This document uses the term “medium voltage switchgear” to denote a random, but

in actual practice, existing combination of DR6 functions that, mutually coupled and

connected, constitute a client-specific transformation or distribution station.

In the documentation the words “left”, “right”, “front” and “behind” are used to indicate

a specific part of the medium voltage switchgear. The starting point is always the

position of the operator, standing in front of the medium voltage switchgear, facing

the switchgear.

Pictograms and safety symbols in and on the medium voltage

switchgear

Depending on the version, the following pictograms are used on the medium voltage

switchgear:

WARNING

Danger of high voltage

Access to this cubicle is only allowed after this cubicle and both the

directly adjacent cubicles (previous and next one) are de-energized.

WARNING

Drilling prohibited.

Drilling is strictly prohibited on surfaces equipped with this pictogram.

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Pictograms in the documentation

The following pictograms apply to the medium voltage switchgear user documents:

CAUTION!

A procedure that can, if not carried out with the proper care, result in

damage to the medium voltage switchgear, the surrounding area or the

environment.

WARNING

High Voltage Danger

CAUTION!

Clamping danger

Notes, suggestions and advice.

Make this cubicle, the next one and the previous cubicle, voltage-free,

before carrying out the work described.

Open the load break switch and the earthing switch before carrying out the

work described in the manual.

Make this cubicle, the next one and the previous cubicle, voltage-free,

before carrying out the work described. Open the load-break switch and

the circuit breaker. Close the earthing switch

Consult the indicated information sources first.

Protect the medium voltage switchgear from water and damp.

Related documentation

The following technical documentation for medium voltage switchgear is available:

•Installation manual DF-2

•User manual DF-2

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Service and technical support

For information concerning specific settings, maintenance or repair work which is not

covered in the manual, please contact SGC - SwitchGear Company nv.

When contacting SGC – Switchgear Company nv, always provide the following

information:

−Cubicle designation and characteristics

−Serial number of the cubicle(s)

General safety directions and instructions

SGC – SwitchGear Company nv does not accept any liability for damage or injury

caused by not (strictly) following the safety directions and instructions, or by

negligence during the installation, use, maintenance, or the repair of the medium

voltage switchgear and its accompanying options.

Depending on specific user circumstances, or installed options, extra safety

instructions may be required. Please contact SGC – SwitchGear Company nv

immediately if you encounter a potential danger during the operation of the medium

voltage switchgear.

The owner/operator of the medium voltage switchgear is fully responsible at all

times for following the locally applicable safety directions and guidelines.

User manual

•Anyone who uses or operates the medium voltage switchgear, must be

familiar with the contents of the user manual, and follow the directions

contained within very closely. The owner/operator must educate the users in

accordance with the user manual and obey all directions and instructions.

•Never change the order of the required actions.

•Always keep the user manual in the vicinity of the medium voltage switchgear.

Pictograms and safety symbols

The pictograms, symbols and instructions applied to the medium voltage switchgear

are a part of the safety equipment. They may therefore not be covered or removed,

and must be present and clearly readable throughout the entire lifespan of the

medium voltage switchgear.

•Replace or repair unreadable or damaged pictograms, symbols and instruction

immediately. Therefore, contact SGC – SwitchGear Company nv.

Operators

The execution of the work described (transport, installation, use and maintenance) is

strictly reserved for trained and qualified operators, who are familiar with the dangers

that can occur when operating medium voltage switchgear. Temporary staff and

personnel in training may not operate the medium voltage switchgear under any

circumstances.

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Technical specifications

•Technical specifications may not be changed.

•Modification of the medium voltage switchgear (or parts thereof) is not

permitted.

Transport, storage, installation, operation and maintenance

See corresponding documents:

•“Safety guidelines – transport”

•“Safety guidelines – storage”

•“Safety guidelines – installation”

•“Safety guidelines – operation”

•“Safety guidelines – maintenance”

Cubicles that fell over or have otherwise been damaged always HAVE TO BE

RETURNED to SGC - SwitchGear Company for a checkup

Intended use

The medium voltage switchgear is designed exclusively for use as transformation or

distribution stations, in accordance to the specifications and conditions provided by

SGC – SwitchGear Company nv. Any other or further use is not in accordance with

the intended use.1

SGC – SwitchGear Company nv does not accept any liability for damage(s) or

injuries resulting from deviation(s) of the intended use.

The medium voltage switchgear complies with the current norms and guidelines.

See: Technical Brochure

•Only use the medium voltage switchgear in technically perfect condition, in

accordance with the intended use described above.

Leave the sealed connections intact, at all times. Breaking the sealed

connections irrevocably voids any guarantee claims.

1The “Intended use” as defined in EN 292-1 “is the use for which the technical product is suited as

specified by the manufacturer including his directions in the sales brochure.” In case of doubt, it is the

use that can be deduced from the construction, the model and the function of the technical product

that is considered normal use. Operating the product within the limits of its intended use also involves

observing the instructions in the user manual.

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1 CONTENT OF LRM KIT (D/EDN CUBICLE)

The delivered kit contains:

•Pre-assembly frontplate DA-EDN suited for LRM

•Voltage indicator of the type LRM

The required type of VDS should be specified during the order

2 VDS EXCHANGE ON A/D-EDN CUBICLE

This exchange may be performed at an installation in service. Therefore it is

required to earth the three conductors prior to disconnect them from the

voltage indicator. A special kit can be provided optionally (Figure 1).

Figure 1: Earthing of the voltage indicator

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2.1 Disassembly of the HR frontplate

Open the LV compartment of relevant cubicle. The HR frontplate of the mechanism

can be removed after disassembly of the 4 nuts (Figure 2- A). The HR frontplate

(Figure 3-A) can now be removed as given in Figure 3.

Figure 2: Rear view DA-98 EDND

mechanism

Figure 3: Remove HR frontplate

Unplug the three connectors and the earthing connection at the rear side of the HR-2

interface.

Figure 4: Disconnect the HR-2 interface

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2.2 Mounting of the LRM frontplate

Mount the pre-assembly of the LRM-frontplate on the mechanism (Figure 5-A). Fix

the LRM-frontplate by means of the 3 nuts (Figure 5-B).

Figure 5: Mounting of the LRM frontplate

2.3 Installation of the voltage indicator

2.3.1 Verification of the C2 value

The verification of the C2 value is only applicable on the voltage indicator type

Capdis S1+ and Capdis S2+. The C2m module can be found at the back side of the

voltage indicator. Set the desired C2 value were the red mark is indicated.

2.3.1.1 Voltage range 5-11kV

C2 value should be set on 33nF

2.3.1.2 Voltage range 10-24kV

C2 value should be set on 69nF

Figure 6: Voltage indicator type Capdis

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