750kV并联电抗器研制

750 kV并联电抗器是我国正在建设的西北地区750 kV骨干输电网络中不可缺少的关键设备,研制性能优良、安全可靠的750 kV电抗器产品意义重大。为此,国内变压器制造厂结合西北750 kV输变电工程要求,开展了750 kV并联电抗器绝缘结构、降低振动和噪声、防止局部过热等关键技术的研究。通过计算分析和试验研究,掌握了750 kV并联电抗器设计制造的关键技术,研制的750 kV并联电抗器局部放电量小于100 pC,振动小于60μm,噪声水平低于75 dB(A),无局部过热,主要性能指标达到国际同类产品先进水平。目前,该类型750 kV并联电抗器已挂网运行,且运行情况良好。

Development of 750 kV Shunt Reactor

750 kV shunt reactor is a key device in the Northwest 750 kV backbone power transmission network under construction in China.For the purpose to develop a 750 kV shunt reactor with high performance and reliability,many transformer manufacturers in China have made researches on the key technologies for 750 kV shunt reactor,such as dielectric structure,vibration and noise reduction,prevention of local overheat,etc.,according to the requirements for the Northwest 750 kV Backbone Power Transmission Network.Progress has been achieved in the design and manufacture through calculation analysis and testing study.750 kV shunt reactors have been developed with partial discharge less than 100 pC,vibration less than 60 μm,noise less than 75 dB(A),and without local overheat.Their main performance indexes reach the advanced international levels of the same type products.The 750 kV shunt reactors have been put into operation in the transmission network with satisfied operation.