CPC H01F 21/00 (2013.01) [H01F 7/064 (2013.01); H01F 38/20 (2013.01)] | 18 Claims |
1. A system for calibrating a low-power voltage transformer (LPVT), the system comprising:
a capacitive voltage divider; and
a variable capacitance device connected to the capacitive voltage divider;
wherein a parameter of the variable capacitance device is adjusted to minimize the ratio error of the LPVT,
wherein the capacitive voltage divider is a stand-alone capacitive voltage divider or is an embedded capacitive voltage divider.
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