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 performance detection method of a capacitive voltage transformer is disclosed, referring to figure 2 , including the following steps:
[0032] (1) Obtain the initial vector of the capacitance value of the capacitive voltage transformer;
[0033] Specifically, refer to figure 1 Given the capacitive voltage transformer capacitive voltage divider schematic diagram, the capacitance value C of the upper section can be obtained through the famous brand data of the capacitive voltage transformer 11 And the voltage division ratio k, the capacitance value in the next section is determined by the capacitance C 12 and the divider capacitor C 2 obtained in series. In order to make the voltage distribution of the capacitive voltage transformer uniform, the capacitance value of the upper section and the capacitance value of the lower section are equal, that is:
[0034]
[0035] The main capacitance of the capacitive voltage divider C 1 by capa...
Embodiment 2
[0067] In one or more embodiments, a capacitive voltage transformer performance detection system is disclosed, including:
[0068] A device for obtaining an initial vector of a capacitance value of a capacitive voltage transformer;
[0069] The 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 between the initial capacitance value vector and the capacitance value test vector, as a performance detection index of the capacitive voltage transformer;
[0071] A device for detecting the performance of the capacitive voltage transformer based on the index.
[0072] The specific working mode of the above-mentioned device is the same as the implementation process of the method in the first embodiment, and will not be repeated here.
Embodiment 3
[0074] In one or more embodiments, a terminal device is disclosed, including a server, the server includes a memory, a processor, and a computer program stored on the memory and operable on the processor, and the processor executes the The program realizes the performance detection method of the capacitive voltage transformer in the first embodiment. For the sake of brevity, details are not repeated here.
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