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33kV capacitor voltage transformer China
33kV capacitor voltage transformer
It functions as the voltage meter in excess of 100 KV where the use of potential transformers would be economical. It also can be used in power systems to step down extra high voltage signals and provide alow voltage signal, for measurement or to operate a protective relay. In its most basic form the device consists of three parts: two capacitorsacross which the transmission line signal is split, an inductive element to tune the device to the line frequency, and a transformer to isolate and further step down the voltage for the instrumentation or protective relay. The device has at least four terminals: a terminal for connection to the high voltage signal, a ground terminal, and two secondary terminals which connect to the instrumentation or protective relay. Moreover,CVT is useful in communication systems. CVTs in combination with wave traps are used for filtering high frequency communication signals from power frequency. This forms a carrier communication network throughout the transmission network.
Outline drawing
Dalian Huayi Electric Power Electric Appliances Co., Ltd. founded in 2001 located at Pulandian District of Dalian City, is a professional manufacturer of 0.5kV-330kV current transformer and voltage transformer involved cast resin, oil immersed, inductive, capacitor, gas SF6, organic silicone rubber dry type and so on. The company covers an area of 150,000㎡ more than 400 employees, achieved more than USD 40 millions for annual sales. The company has been certified by ISO9001 Quality Management System. We have more than 50 engineering technicians and over 10 senior technicians and designers. The company pursues to offer high-precision and high-quality products to customers in the tenet of “Technology-driven, Quality-oriented, Credit-valued, Customer-centered”.
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