A current transformer is a vital part of any equipment installed in an electrical substation for protection purposes as well as for electrical measurement. Insulation resistance of the CT has to be checked on an annual basis.Thermo vision scanning of primary terminals and the top dome of a live CT must be conducted on an annual basis. All CT secondary connections should be examined, cleaned and tightened each year to ensure that the secondary currents have the lowest resistance path.
Although your electrical transformer may keep on working smoothly, the continuous damage of the electrical vents and lack of even minimal maintenance can accelerate the inevitable failure of your transformer. To avoid this, contact our professionals now!
Dissolved Gas Analysis
Late detection of fault in transformer will lead to unwanted damage. The cost for repairing will definitely be costly as transformer is an expensive machine. To prevent this, PQE provide solution that is Dissolved gas analysis (DGA) of transformers. DGA can provide insights into electrical stresses and thermal sustained by oil-immersed power transformers. Besides, DGA is a sensitive and reliable technique for detecting incipient fault conditions in oil-immersed transformers. As it detects hidden transformer faults, DGA can surely help prevent further damage.
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