en.Wedoany.com Reported - The operation and maintenance team at Yamansu Hydropower Station recently completed special tests on 4 main transformers, the outgoing line yard, and the full range of GIS room equipment in just 3 days, quickly identifying and eliminating potential hazards to ensure the continuous and stable power supply of the units.
This testing operation covered a wide scope, involved high technical standards, and required strict safety control. Specific items included preventive tests on the main bodies of No. 1 to No. 4 main transformers, preventive tests on voltage transformers and lightning arresters in the outgoing line yard, as well as multiple critical preventive tests on circuit breakers, disconnectors, and current transformers at the high-voltage side outgoing line bay of the main transformers within the GIS room.
During the operation, the project maintenance and operation team strictly followed safety regulations and the test plan, refined task assignments, implemented closed-loop management, and closely monitored the test progress and quality indicators. Ultimately, all operating condition parameters met the operational requirements.
Yamansu Hydropower Station is located on the left bank of the Toshkan River in Wushi County, Aksu Prefecture, Xinjiang. Invested and constructed by Huaneng Xinjiang Energy Development Co., Ltd., it has a total installed capacity of 244,000 kilowatts with 4 units installed, and an average annual power generation of approximately 803 million kilowatt-hours. All units were put into operation for power generation in October 2020, making it the largest hydropower station in the Aksu region. The station was formed by optimizing and merging the 9th stage (Kekejigedai) and the 10th stage (Yamansu) hydropower stations from the Toshkan River hydropower planning of "2 reservoirs and 11 stages," with the survey and design undertaken by PowerChina Chengdu Engineering Corporation Limited.
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