Development of 20 kA standard current transformer with an accuracy of 0.005 % and its application

0.005 %의 초정밀 20 kA 표준용 전류변성기의 개발 및 활용

  • Published : 2007.07.18

Abstract

High accurate 20 kA, 6 kA and 2 kA standard current transformers(CTs) with a ratio error within 0.005 % at full rated current have been developed. The CTs are useful as the reference CT of the CT comparator system in the current range of 20 kA to 10 A CT.

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