HV Maintenance Services

HV Maintenance Services – 11kV HV Network Maintenance

Industry Sector: Industrial Estate

Background

HV Maintenance Services – C&P Engineering Services were tasked with providing an operation & maintenance contract to maintain and repair an 11kV HV electrical network, which includes 8 SWS oil circuit breakers. It also included:

• 8 Oil filled transformers
• 8 LV circuit breakers
• 8 off feeder protection units

Project Duration

2-3 Days

Technical Remit

1. Secondary Injection Testing
2. Insulation Testing – Using a 10kV test instrument
3. Oil sample – Laboratory Test
4. Lubrication and Cleaning of Switchgear Mechanisms
5. Dressing and Cleaning of Contacts
6. Cleaning and Greasing of Main Isolating Contacts
7. Insulation Checks of Secondary Wiring
8. Drive Tank and Racking Mechanism Lubrication
9. Visual Inspections
10. Contact Gap Measurements
11. Changing of Silica Gel Breather Filters
12. Liaised with Western Power
13. Provision of SAP for switching

Outcome

Number of faults found and rectified. Safe operation of HV Electrical Network.

Read More About High Voltage Electrical Project Experience

For further information about C&P’s High Voltage and other Integrated Electrical Services, please click on one of the links below:

• Read More About High Voltage Electrical Services 
• Read More About LV Integrated Electrical Services