Product Profile of 72.5 Kv To 420kv Range Oip Instrument Transformers

Crompton greaves, a part of the avantha group, and a conglomerate with the global footprint offers current transformers with range 72.5 kv to 420kv. The switchgear division offers the widest range of switchgear products ranging from 33kv to 420 kv, to meet the requirements of electrical sub-stations and installations. Oil impregnated paper instrument transformers works are iso 9001 certified. It is approved by kema - netherlands, cpri - india. It is standardized by iec 44-1 - 1996, ansi c57.13 - 1978.
Salient features of oil impregnated paper instrument transformers are as follows:

• Live tank [inverted type] construction

• Oil impregnated paper insulation

• Single width paper bushing construction

• Hermetically sealed construction

• Shielded cores and secondary windings

• Stainless steel metallic bellows for oil volume compensation and health indication
Rigid and welded primary construction for excellent dynamic current withstand ability

• Excellent thermal stability of insulation

• Metallic flanges cemented to porcelain to give uniform load distribution.