High Voltage Services

At Potential Power Services (PPS), we provide specialised high-voltage maintenance and testing to keep your switchyards and equipment operating safely, reliably, and efficiently.

Our HV Capabilities include:

Circuit breaker maintenance (onsite switchyards)
Maintenance of switchyard isolators and primary equipment
Full functional and operational testing, including:
- Insulation Resistance Test
- Contact Resistance
- Timing and Travel Measurements
- Dynamic Resistance
- Spring Charge Time
- AC Withstands Test
- DLA Testing
- Minimum Close and Trip Checks