Method for correcting high-voltage frequency conversion resonance test device for boosting and measuring common tower structure

Abstract

The invention provides a method for correcting a high-voltage variable frequency resonant test device of a voltage boosting and voltage measurement tower structure, and aims at ensuring the measurement correctness of voltage measurement capacitive voltage dividers. The high-voltage variable frequency resonant test device of the voltage boosting and voltage measurement tower structure comprises N serial overlapped unit fixtures; each unit fixture comprises a voltage boosting resonant reactor, a voltage measurement capacitive voltage divider and a grading ring; a voltage value on the voltage boosting resonant reactor of each unit fixture is measured; a real reactance value of the voltage boosting resonant reactor on each unit fixture is obtained through calculation; a ratio of the real reactance values of the voltage boosting resonant reactors on the first, second, ..., and Nth unit fixtures is ZL1: ZL2: ...: ZLN; and a capacitive value of the voltage measurement capacitive divider on each unit fixture is set to ensure that a ratio of the capacitive value of each voltage measurement capacitive divider is same as the ratio of the real reactance value of each voltage boosting resonantreactor.

Description

technical field [0001] The invention relates to the technical field of high-voltage frequency-variable test devices, in particular to a method for correcting a high-voltage frequency-variable resonance test device with a common-tower structure for boosting pressure measurement. Background technique [0002] The traditional high-voltage frequency conversion test device is divided into a step-up resonant reactor tower and a voltage measuring voltage divider tower. Each tower structure requires a support base, a pressure equalization system, and adjustable fastening rods. An anti-corona connection is also required between the two towers. [0003] The Chinese invention patent with the publication number CN102788890A discloses a high-voltage frequency conversion resonance test device with a common tower structure for boosting and measuring pressure. The design value of each step-up resonant reactor is the same. The values ​​for each section are also the same. In the test, the ...

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Problems solved by technology

The corresponding voltage measuring capacitor voltage divider is not affected by the magnetic field, and the value of each capacitor remains unchanged, so there will be errors in the final measurement results.

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