8DJH

Siemens 8DJH User Manual

121 pages

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Medium-Voltage Switchgear

Medium-Voltage Switchgear Type 8DJH, Block Versions

Up to 24 kV, Gas-Insulated

Medium-V oltage Switchgear

INSTALLATION AND

OPERATING

INSTRUCTIONS

Order No.: 500-8067.9

Revision: 05

Issue: 21-08-2017

Table of Contents

Default Chapter3
- Table of Contents3
Safety Instructions5
1 Signal Terms and Definitions5
2 General Instructions6
3 Security8
4 Due Application8
5 Qualified Personnel8
Description9
6 Panel Versions9
7 Components11
- Three-Position Switch-Disconnector11
- Vacuum Circuit-Breaker Type 213
- Interlocks14
- HV HRC Fuse Assembly15
- Cable Connection16
- Current and Voltage Transformers21
- Possibilities for Pressure Relief22
- Protection and Control Equipment22
- Ready-For-Service Indicator23
- Voltage Detecting Systems23
- Short-Circuit/Earth-Fault Indicator24
- Accessories25
- Low-Voltage Compartment (Option)25
- General Technical Data26
8 Technical Data26
- Three-Position Switch-Disconnector27
- Three-Position Disconnector28
- Vacuum Circuit-Breaker29
- Classification of the Switchgear32
- Standards and Guidelines32
- Dimensions and Weights34
- Dielectric Strength and Site Altitude35
- Insulating Gas35
- Phase Sequence35
- Selection of HV HRC Fuse-Links37
- Rating Plates44
9 Switchgear Maintenance45
10 End of Life45
Installation46
11 Transport and Storage46
- Unloading and Transport to Place of Installation46
- Packing48
- Completeness and Transport Damage49
- Intermediate Storage49
- Cleaning Agents and Cleaning Aids51
- Mounting Paste51
12 Switchgear Installation51
- Tools and Auxiliary Means51
- Comments on Electromagnetic Compatibility52
- Tightening Torques52
- Preparing the Switchgear Room54
- Preparing the Foundation55
- Unpacking the Switchgear55
- 12.10 Fastening the Panel to the Foundation57
- Checking Service Readiness57
- 12.11 Floor Openings and Fixing Points59
- 12.12 Earthing the Switchgear62
- Connecting High-Voltage Cables63
13 Electrical Connections63
- Installing Cable Plugs Type Raychem Rics5Xxx with RDA66
- Cable Connection with Cable-Type Current Transformers68
- Installing Ring-Core Current Sensors at the Cable Connection71
- Installing Voltage Sensors72
- Connecting the Secondary Equipment74
- Correcting Circuit Diagrams75
14 Recurring Activities76
- Removing and Mounting the Cable Compartment Cover76
- Removing and Mounting the Cross Member77
15 Commissioning78
- Final Tests after Installation78
- Mechanical and Electrical Function Test79
- Instructing the Operating Personnel80
- Preparing the Power-Frequency Voltage Test80
- Applying Operating Voltage81
Operation83
16 Indicators and Control Elements84
- Operations Counter85
- Position Indicators85
- Ready-For-Service Indicator85
- Spring Charged" Indicator85
- Operating Tools86
- Local-Remote Switch (Option)87
- Mechanical Interlocking with Padlock87
- Key-Operated Interlock (Option)88
- Momentary-Contact Rotary Control Switch for Motor Operating Mechanism (Option)88
17 Operating the Panel with Switch-Disconnector89
- Switching the Three-Position Switch-Disconnector from OPEN to CLOSED Position89
- Switching the Three-Position Switch-Disconnector from CLOSED to OPEN Position90
- Switching the Three-Position Switch-Disconnector from OPEN to EARTHED Position91
- Switching the Three-Position Switch-Disconnector from EARTHED to OPEN Position92
18 Operating the Panel with Switch-Fuse Combination93
- Switching the Three-Position Switch-Disconnector from OPEN to CLOSED Position94
- Switching the Three-Position Switch-Disconnector from CLOSED to OPEN Position95
- Switching the Three-Position Switch-Disconnector from OPEN to EARTHED Position95
- Switching the Three-Position Switch-Disconnector from EARTHED to OPEN Position96
- Protection Tripping of the Switch-Fuse Combination97
19 Operating the Panel with Circuit-Breaker Type 298
- Charging the Spring Energy Store in Circuit-Breaker Type 2 Manually99
- Closing Circuit-Breaker Type 2100
- Opening Circuit-Breaker Type 2100
- Switching the Three-Position Disconnector from CLOSED to OPEN Position101
- Switching the Three-Position Disconnector from OPEN to CLOSED Position101
- Switching the Three-Position Disconnector from OPEN to EARTHED Position102
- Switching the Three-Position Disconnector from EARTHED to OPEN Position103
- HR or LRM Plug-In Sockets104
20 Verification of Safe Isolation from Supply104
- VOIS and CAPDIS Indications106
- WEGA Indications108
21 Replacing HV HRC Fuse-Links109
22 Cable Testing112
- Cable Testing Via Cable Plugs112
- Cable Sheath Test113
Annex114
- Application114
- Design, Function114
- Extract from the Technical Description114
23 MCU (Motor Control Unit)114
- Fault Signals115
- Behavior in Case of Voltage Failure117
Siemens Service Hotline118
Index119

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Siemens 8DJH Specifications

General

Brand	Siemens
Model	8DJH
Category	Switch
Language	English

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