29th Conference on Precision Electromagnetic Measurements (CPEM 2014) 2014
DOI: 10.1109/cpem.2014.6898614
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The voltage coefficient determination of high voltage capacitive divider by serial summation of voltage transformers

Abstract: The paper presents an absolute measurement method of determining the voltage coefficient(VC) of high voltage capacitive dividers(CVD) by serial summation of voltage transformers. Under a series of double-voltages, by successively comparing a CVD with a full-insulated transformer, a semiinsulated transformer and their series, the VC of the CVD were gotten. The method was verified by using two voltage transformers rated with ( ) ( ) 110 3 kV 100 3 V in series. Index Terms -Current comparator, gas compressed capa… Show more

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Cited by 5 publications
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“…Therefore, the error Ė of K would be Ė ≃ 0.5 1 + α + γ˙+ β˙ (6) Therefore, for an SVT that consists of two VTs with K 2 = K 1 K 3 and M = 0.5, the ratio error of SVT is Ė ≃ 0.5 1 + α + γ˙+ β˙.…”
Section: Basic Principlesmentioning
confidence: 99%
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“…Therefore, the error Ė of K would be Ė ≃ 0.5 1 + α + γ˙+ β˙ (6) Therefore, for an SVT that consists of two VTs with K 2 = K 1 K 3 and M = 0.5, the ratio error of SVT is Ė ≃ 0.5 1 + α + γ˙+ β˙.…”
Section: Basic Principlesmentioning
confidence: 99%
“…Further, the calibration is carried out from 20 to 120% of the rated voltage, C N and C X are the input terminals of reference and under test capacitors. Method B: According to (6), the errors in the SVT could be determined by the errors in T 1 , T 2 , and T 3 ; therefore, by only calibrating T 1 , T 2 , and T 3 at 500 kV/ √3 and obtaining their errors, the errors in the SVT could be calculated. Fig.…”
Section: Calibrationmentioning
confidence: 99%
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