Medium Voltage Switchgear: Modular Concept With Integrated Surge Arrester And Monitor.pdf

It covers the DF-2 modular concept, focusing on integrated surge arresters and surge arrester monitors.

## Company Information
SwitchGear Company nv, based in Nevele, Belgium, specializes in medium voltage switchgear. Contact details:
- Tel: +32 (0)9/321.91.12
- Email: [email protected]
- Website: www.switchgearcompany.eu

## Table of Contents
1. Preface - Introduction to the document and its purpose.
2. Introduction - Overview of medium voltage switchgear, including definitions and safety precautions.
3. Pictograms and Safety Symbols - Explanation of symbols used on the switchgear and in documentation.
4. Related Documentation - List of available technical guides for DF-2, VA-2/VAS-2, and SV-25 arc-killers.
5. Service and Technical Support - Information on support services offered by SwitchGear Company nv.
6. General Safety Directions and Instructions - Comprehensive safety guidelines for handling the switchgear.
7. Surge Arrester and Surge Arrester Monitor - Detailed instructions for installation, maintenance, and end-of-life procedures.

## Safety Precautions
- High Voltage Danger: Access to cubicles is restricted until de-energization of the unit and adjacent compartments.
- Drilling Prohibition: Strict prohibition on drilling surfaces marked with a specific pictogram.
- Work Procedure: All work must be carried out while ensuring proper safety measures, avoiding damage or environmental hazards.

## Surge Arrester Maintenance
### End-of-Life Procedures:
1. Preparation: De-energize the switchgear and adjacent units before disassembly.
2. Disassembly:
- Remove doors.
- Retract circuit breakers.
- Extract pre-assembled surge arresters.
3. Replacement:
- Insert new surge arrester, ensuring proper alignment.
- Reassemble circuit breaker.
4. Final Checks: Verify all components are secure and voltage-free before energizing.