High voltage power frequency AC withstand voltage system measurement platform
A power frequency AC and system measurement technology, applied in the direction of testing dielectric strength, etc., can solve the problems of large volume, manpower and material resources, current limiting resistor and capacitor voltage divider, etc., to achieve simple separation and docking, and save manpower The effect of saving resources and saving experimental space
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[0029] Such as figure 1 As shown, the high-voltage power-frequency AC withstand voltage system is mainly composed of a current-limiting resistor 11 and a measuring mechanism 7. The current-limiting resistor 11 needs to be installed horizontally, and one end is provided with a conductive column 10 inserted into the test transformer 14 and electrically connected to it. The other end is provided with a There is a connecting seat 9, and the measuring mechanism 7 is a voltage transformer (which can be replaced by a capacitor voltage divider), which is fixed vertically. Seat 8 is a circular conductive metal seat.
[0030] With the rise of the voltage level, the size and weight of the main equipment of the power frequency AC withstand voltage test will increase rapidly. Take the 500kV power frequency AC withstand voltage test as an example: the 500kV test transformer 14 weighs about 14000Kg, the current limiting resistor 11 weighs about 150Kg, and the measuring mechanism 7 weighs ab...
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