Fault Diagnosis and Testing
At Transerv we provide a broad spectrum of fault diagnostic options, ranging from the collection and analysis of oil samples for dissolved gas and furfuraldehyde, to a complete suite of non-invasive diagnostic tests.
We provide a fully comprehensive commissioning service, meeting the exacting standards of all Transmission and Distribution Operators.
- Insulation Resistance
- Winding Ratio
- Winding Resistance
- Vector Check
- Magnetisation Current
- Calibration of Winding Temperature Indicators
- Calibration of Oil Temperature Indicators
- Fan, Pump and Tap changer Drive Motor Characteristics
- Operation checks of all ancillary devices (Buchholz Relays, Pressure Relief Devices etc.)
- CT – Ratio, Resistance Polarity, Magnetisation Curves and Test Loop Polarity
- Tangent Delta
- SFRA (Swept Frequency Response Analysis)
- Capacitance and Power Factor
- Polarisation Spectrum Analysis