GIS loop resistance measuring device and method
A loop resistance and measurement device technology, applied in the direction of impedance measurement, etc., can solve the problems of less data samples, low measurement efficiency, large error, etc., and achieve the effect of improving accuracy, fast switching speed, and good linearity
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Embodiment 1
[0042] A GIS loop resistance measurement device, such as figure 1 Including supercapacitor 2, switching element 3, voltage acquisition element 8, current acquisition element 9, discharge branch 4 and controller 6, GIS equipment 5, current acquisition element 9 and supercapacitor 2 and switching element 3 are connected in sequence to form the main discharge circuit, the supercapacitor 2 is connected with a charger 1, the voltage acquisition element 8 is connected with the GIS equipment 5, the discharge branch 4 is connected in parallel with the GIS equipment 5 and the current acquisition element 9 to form a sub-discharge loop, and the controller 6 is connected with the switch element 3 , sending a trigger signal to the switching element 3, the industrial computer is connected with an acquisition card 7, the acquisition card 7 is connected with the voltage acquisition element 8 and the current acquisition element 9, and is used to acquire the voltage signal and the current signal...
Embodiment 2
[0046] A kind of GIS loop resistance measurement method corresponding to embodiment 1, specifically:
[0047] S1: The switching element 3 is disconnected, the charger 1 charges the supercapacitor 2, and the supercapacitor 2 is disconnected from the charger 1 after it is fully charged;
[0048] S2: The switch element 3 is turned on, the supercapacitor 2 discharges the main discharge circuit, the current acquisition element 9 and the voltage acquisition element 8 collect the current signal and the voltage signal of the GIS device 5 respectively, and the current passing through the GIS device 5 reaches a peak value according to the current and Calculate the loop resistance of the GIS equipment by voltage, when the set conditions are met, the switch element 3 is disconnected, the inductance in the GIS equipment 5 discharges the sub-discharge loop, and then calculate the loop resistance of the GIS equipment;
[0049] S3: Repeat step S2 when the repeated measurement condition is sat...
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