[Precise calibration of quadrature transformer]
(1970) Revue E (Supplement) — Vol. 6, n° 7, p. 212-223 (1970)
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- Abstract
- The accurate calibration of a quadrature-transformer (or three phase-two phase converter) requires the measurement of amplitude - and phase errors at the output. These errors have to be corrected with a measurement of the three-phase unbalance at the input. Two methods are described. The first one is based on the measurement of RMS value of different voltages, by means of a thermocouple, the second one uses an impedance `bridge'. A critical analysis of both methods gives an accuracy of about 0.5 for each of them.
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Citations
Eugène, C., & Ryckewaert, G. (1970). [Precise calibration of quadrature transformer]. Revue E (Supplement), 6(7), 212-223. https://hdl.handle.net/2078.5/85758 (Original work published 1970)