But owing to high level of dust, maintenance work in such conditions is difficult with the result that preventive maintenance is not as effective as conceived. ... HT aamp; LT switchgear panels having circuit breakers of requisite current rating and rupturing capacity for controlling the 11KV, 6.6 ... ABB manufactures both SF6 and vacuum breakers, NGEF have collaboration for vacuum breakers with SACE, Italy.
|Title||:||Monograph on a number of aspects relating to thermal power plant|
|Author||:||S. A. Subramanian|
|Publisher||:||Central Board of Irrigation & Power - 1997-01-01|