Capacitive voltage transformer performance detection method and system
A technology of voltage transformer and detection method, which is applied in capacitance measurement, voltage divider, measurement of resistance/reactance/impedance, etc., can solve problems such as poor accuracy, insulation performance of capacitive voltage transformer, voltage distribution ratio error, etc. achieve the effect of efficient calculation
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Embodiment 1
[0031] In one or more embodiments, a method for detecting the performance of a capacitive voltage transformer is disclosed, refer to figure 2 , including the following steps:
[0032] (1) Obtain the initial vector of capacitance value of capacitive voltage transformer;
[0033] Specifically, refer to figure 1 Given the schematic diagram of the capacitive voltage divider of the capacitive voltage transformer, the capacitance value C of the upper section can be obtained through the brand-name data of the capacitive voltage transformer 11 and the voltage divider ratio k, the capacitance value of the next section is determined by the capacitance C 12 and the voltage divider capacitor C 2 obtained in series. In order to make the voltage distribution uniform in the capacitive voltage transformer, the capacitance value of the upper section and the capacitance value of the lower section are equal, that is:
[0034]
[0035] The main capacitor C of the capacitive divider 1 by...
Embodiment 2
[0067] In one or more embodiments, a capacitive voltage transformer performance detection system is disclosed, comprising:
[0068] means for obtaining an initial vector of capacitance values of a capacitive voltage transformer;
[0069] A device used to obtain the test vector of the capacitance value of the voltage transformer through the high-voltage electrical test;
[0070] A device for calculating the linear correlation coefficient of the initial vector of the capacitance value and the test vector of the capacitance value as the performance detection index of the capacitive voltage transformer;
[0071] An apparatus for detecting the performance of a capacitive voltage transformer based on the index.
[0072] The specific working manner of the above apparatus is the same as the implementation process of the method in the first embodiment, and will not be repeated.
Embodiment 3
[0074] In one or more embodiments, a terminal device is disclosed, including a server, the server including a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor executing the The method for detecting the performance of the capacitive voltage transformer in the first embodiment is implemented during the program. For brevity, details are not repeated here.
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