On-site testing of turns ratio is an important basic measurement for power transformer diagnosis. It helps to detect faulty transformer windings as well as defective tap changer positions.

The precision power analyzer is mainly applied to measure all kinds of loss and impedance for electric equipments such as power transformer, generator, electric motor. SG7101 precision power analyzer is the only production, which has the same precision with Switzerland SG7101 power analyzer in national. At the same time it also can be used to test power transformer and electric motor loss, analyze impedance and power system electric energy quality, and measure line parameter in transmission line.

[Sweep Frequency Response Analyser for Power Transformer Diagnosis]

The SG7201 is a diagnosis instrument for the detection of mechanical distortions of transformer winding. These distortions can be caused by electro-dynamical forces which appear during short-circuits or by transportation damages during movement.
The Sweep Frequency Response Analysis method is based on winding transfer function measured in a wide range of frequency. The system records the transformers “frequency response fingerprint”. Even small winding movements or distortions will cause legible change of transfer curve, which can be detected
A powerful, easy-to-use operation and analysis Windows software runs on this touch screen controlled measuring instrument. Special active measuring probes minimise the influence of test object connecting and earthing which results in reproducible measurements.

SG7301 Transformer Measuring System is design for power transformers.. The system has distinguished itself in the rugged environment of the transformer test facility. The system performs automated measurement of:

1. Load loss、current measurement
2. No-load loss、current measurement
3. Induced voltage measurement
4. Zero sequence measurement
5. Power measurement
6. Power factor measurement
7. Frequency measurement

Please fill your request in questionnaire  > Transformer Measurement and kindly send it to > gukaigukaigukai@163.com