Siemens 8DJH Series - Page 76

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Installation

76 Revision 03 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * 500-8067.9

Fig. 47: Mounting the cable bracket in

the T panel

Partition

Adjustment rails

Cable bracket

Cable clamps

Main Page

Table of Contents3
Safety Instructions5
Signal Terms and Definitions5
General Instructions6
Due Application7
Qualified Personnel7
Description8
Features8
Functional Modules (Selection)10
Components12
Three-Position Switch-Disconnector12
Vacuum Circuit-Breaker Type 218
Interlocks22
Cable Compartment Covers23
HV HRC Fuse Assembly24
Cable Connection27
Current and Voltage Transformers31
Protection and Control Equipment31
Voltage Detecting Systems31
Ready-For-Service Indicator35
Short-Circuit/Earth-Fault Indicators37
Accessories39
Technical Data41
General Technical Data41
Three-Position Switch-Disconnector42
Three-Position Disconnector43
Vacuum Circuit-Breaker44
Classification of 8DJH Switchgear According to IEC/EN 62 271-20047
Standards and Guidelines47
Switchgear Versions - Dimensions and Weights48
Gas Leakage Rate50
Dielectric Strength and Site Altitude50
Selection of HV HRC Fuse-Links52
Rating Plates59
Switchgear Maintenance60
End of Service Life60
Installation61
Preparing Installation61
Packing61
Completeness and Transport Damage61
Intermediate Storage62
Unloading and Transport to the Place of Installation63
Checking the Ready-For-Service Indicator67
Preparing the Foundation68
Comments on Electromagnetic Compatibility68
Switchgear Installation70
Tools/Auxiliary Means70
Installing the Switchgear70
Pressure Relief Options80
Switchgear Earthing81
Retrofit of Motor Operating Mechanism82
Electrical Connections83
Connecting High-Voltage Cables83
Cable Connection with Cable-Type Current Transformers93
Connecting Secondary Equipment95
Correcting Circuit Diagrams96
Commissioning97
Final Tests after Installation97
Mechanical and Electrical Function Test98
Preparing the Power-Frequency Voltage Test99
Instructing the Operating Personnel99
Applying Operating Voltage99
Operation101
Indicators and Control Elements102
The Three-Position Switch-Disconnector103
Operations104
Protection Tripping for the Three-Position Switch-Disconnector with Spring-Operated/Stored-Energy Mechanism105
Ring-Main and Circuit-Breaker Panels: Operating the Three-Position Switch106
Operating the Transformer Feeder108
Operating the Vacuum Circuit-Breaker Type 2112
Closing the Circuit-Breaker Type 2 "Locally113
Opening the Circuit-Breaker Type 2 "Locally113
Charging the Spring Energy Store Manually114
Closing the Three-Position Disconnector in the Circuit-Breaker Panel Type 2115
Opening the Three-Position Disconnector in the Circuit-Breaker Panel Type 2116
Three-Position Disconnector in the Circuit-Breaker Panel Type 2: EARTHED Position117
Three-Position Disconnector in117
Deactivating the EARTHED Position118
Verification of Safe Isolation from Supply119
Replacing HV HRC Fuse-Links120
Cable Testing124
Cable Testing Via Cable Plugs124
Cable Sheath Testing126
Index127

Siemens 8DJH Series - Page 76

Table of Contents

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