In Operation process of the compressed air system used for instruments of 300 MW in Zhujiang Power Plant

troubles of the air compressor and water cooling system are frequently occurred due to insuffiecent back-up capability of the system

threatening seriouly safe operation of the generating units. Directing against the problems existing in the compressed air system

systematic analysis has been carried out

performaing improvement for perfection and retrofit of the air compressor. Practice shows that a series of retrofitting measures has enhanced the safety

reliability

and economic behavier of the compressed air system

obtaining the expected effectiveness.