HIMALAYAL - SHANGHAI - CHINA
Debugging workers of State Grid Guoluo Power Supply company has spent two days putting 330kV Maduo substation, 35kV Huashixia substation and 35kV Maduo central substation into operation from September4th to September 5th. The operation of three substations will improve the structure of Guoluo grid and play a prominent role in enhancing the reliability of power supply.
In order to ensure secure and smooth work, State Grid Guoluo Power supply company set up preparatory groups, worked out detailed proposals and made special arrangements. At the early stage, project managers carefully analyzed the proposal and operation mode, and stressed that on-site staff shall follow the instructions strictly when operating. Meanwhile, on-site staff shall keep a record and summarize the defects and point major defects in time.
It is reported that this operation includes the following equipment: 330kV Maduo substation 35kV I busbar interval, 35kV I busbar PT interval, 35kV Mazhong line No.3521 switch interval, primary and secondary equipment of 35kV Mahua No.3522 switch interval, primary and secondary equipment of 35kV Huashixia substation No.3521 switch interval etc. At the later stage, the company will continue to monitor the operation condition and carry out good inspection of electrical equipment.
The State Grid has paid special attention to substation technologies, and plans on installing 74 new digital substations for 63 kilovolts to 500 kilovolts by 2015. While this number is small compared to the existing 40,000+ substation base, State Grid has stated it intends to include digital technology in all new substations built. Companies have been expanding their substation operations in China, which has been met with stiff domestic competition.
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