３相分の電流を一括して変流器に通すと、３相分の電流をベクトル合成した電流が２次側に流れます。ベクトル合成された電流はどうなるのでしょうか？実は対称３相交流３相分の電流を合成させると”０”になるのです。対称３相交流は、各相とも同じ大きさでそれぞれが１２０°ずつ位相がずれているのでこのようになります。
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글보내기 기능을 제한합니다. 네이버는 블로그를 통해 저작물이 무단으로 공유되는 것을 막기 위해, 저작권을 침해하는 컨텐츠가 포함되어 있는 게시물의 경우 글보내기 기능을 제한하고 있습니다.
In the sizing of defense transformers, the resistance (stress) with the connection leads may have a considerable influence. In calculations, the resistance from the relationship prospects is usually approximated from:
Although Now we have a three phase program to protect, we only require a single core as an alternative to three if we utilize a CBCT or ZCT. This is very easy for installing and is easy.
Meant to shield the ability system versus leakage and earth faults, these zero-phase recent transformers (ZCT) are available in different window diameters. Epoxy-Forged coil. CIC is undoubtedly an industrial quality current transformers, voltage transformers, distribution transformers, epoxy insulators and electrical power capacitors manufacturer from Taiwan. With about forty five a long time of expertise and know-how collaboration with Germany's MWB, CIC is ISO Licensed and provides products and solutions recognized for dependability in a variety of industrial purposes.
Style B residual latest sensor：The HYCA sequence by HEYI company stands as an exceptional solution for charging pile apps, Compliant with rigorous Worldwide benchmarks such as IEC 62955, IEC 62752, and UL 2231, the HYCA series excels in providing exact and thorough leakage present-day checking.
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何らかの原因で３相の電流のバランスが乱れると、コイルに二次電流が瞬間的に流れ、地絡として検出されます。
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Floor Fault Detection: Among the list of key apps on the HY-ZCT is ground fault detection. By measuring zero sequence existing, these transformers can identify the existence of floor faults, which arise when recent flows from a section conductor to floor.
Frequency reaction: ZCT is meant to function about a variety of frequencies, normally from 50Hz to 400Hz, that makes them well suited for use in a variety of purposes.
문화를 만들기 위한 네이버의 노력이오니 회원님의 양해와 협조 부탁드립니다.
Also, The amount of secondary turns of CT is not really needed according to the rated current from the cable simply because no secondary present flows in ordinary running situations as the 3 stage system currents are well balanced.