On September 24, China's largest evaporative cooling unit, the No. 27 unit of the Three Gorges Underground Power Station, passed a stator core magnetization test.
The key component of the evaporative cooling unit, which is different from the air-cooled and water-cooled units, is the manufacture and installation of the unit stator cooling system. The Three Gorges Underground Power Station has a total of six 700,000 kilowatts of hydro-generator units, two air-cooled units (No. 32 and No. 31) manufactured by Harbin Electric and two water-cooled units (No. 29 manufactured by Tianjin Alstom). No.30 and No.30) and two evaporative cooling units (No.27 and No.28) manufactured by Dongfang Electric Corporation were all installed and commissioned by Gezhouba Group. Among them, No. 28 and No. 27 units adopt the self-developed stator winding self-circulating evaporative cooling technology independently developed in China. It is currently the world's largest evaporative-cooled hydro-turbine generating unit and has complete independent intellectual property rights. It is the result of the localization of China's giant hydropower equipment. The concentrated expression.
The stator core magnetization experiment of the No. 27 unit lasted for 90 minutes. The monitoring data showed that the voltage and the core temperature were very stable during the test, and the mechanical vibration was normal in all directions.
The key component of the evaporative cooling unit, which is different from the air-cooled and water-cooled units, is the manufacture and installation of the unit stator cooling system. The Three Gorges Underground Power Station has a total of six 700,000 kilowatts of hydro-generator units, two air-cooled units (No. 32 and No. 31) manufactured by Harbin Electric and two water-cooled units (No. 29 manufactured by Tianjin Alstom). No.30 and No.30) and two evaporative cooling units (No.27 and No.28) manufactured by Dongfang Electric Corporation were all installed and commissioned by Gezhouba Group. Among them, No. 28 and No. 27 units adopt the self-developed stator winding self-circulating evaporative cooling technology independently developed in China. It is currently the world's largest evaporative-cooled hydro-turbine generating unit and has complete independent intellectual property rights. It is the result of the localization of China's giant hydropower equipment. The concentrated expression.
The stator core magnetization experiment of the No. 27 unit lasted for 90 minutes. The monitoring data showed that the voltage and the core temperature were very stable during the test, and the mechanical vibration was normal in all directions.
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