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Table of Contents
- 1 Safety Instructions
- 2 Type Classification
- 3 Circuit Breaker Panel
- 4 Switch Panel
- 5 Circuit Breaker
- 6 Vacuum Interrupters
- 7 Mechanical Interlock
- 8 Three-Position Switch
- 9 Switch Positions
- 10 Panel Connections
- 11 Technical Data
- 12 Operation
- 13 Maintenance
- 14 Cable Testing
- 15 Service Life
- 16 Accessories and Spare Parts
- Download this manual
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Table of Contents
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Summarization of Contents
Safety Instructions and Definitions
Safety Rules and Personnel Qualifications
Details essential safety rules and personnel qualifications for operating high-voltage switchgear.
Medium-Voltage Switchgear Description
Application, Features, and Type Classification
Details typical uses, key features, and classification of the 8DA series switchgear.
Circuit-Breaker Panel and Components
Describes the circuit-breaker panel, its frame, low-voltage compartment, switchpanel pole, and switchpanel.
Circuit-Breaker, Operating Mechanism, and Three-Position Switch
Explains the circuit-breaker, its operating mechanism, and the three-position switch functions and positions.
Instrument Transformers, Gas Compartments, and Panel Connections
Covers instrument transformers, SF6 gas compartments, and various panel connection types.
Technical Data and Standards
Provides comprehensive technical specifications, protection ratings, SF6 gas data, and relevant standards.
Switchgear Operation Procedures
Circuit-Breaker Operation
Covers manual and automatic operation of the circuit-breaker, including control board functions and testing.
Three-Position Switch Operation
Details manual operation of the disconnector and earthing switch functions, including emergency operations.
Feeder and Busbar Earthing Operations
Explains the procedures for safely earthing and de-earthing feeders and busbars.
Interlocks and Safe Isolation
Describes interlock functions and critical procedures for safe isolation from supply and correct terminal connections.
Overview of Switching Operations
Provides an overview of various switching operations for different configurations like bus sectionalizers and voltage transformers.
Switchgear Maintenance and Servicing
Maintenance and Inspection Schedule
Outlines the inspection schedule, safety instructions, and procedures for switchgear maintenance.
Cable Testing and Safety Procedures
Covers the process and safety precautions for performing cable tests before commissioning.
Accessories, Spare Parts, and Disposal
Lists standard accessories, lubricants, spare parts ordering, and end-of-life disposal guidance.
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