Design Of Three Phase Multipurpose Calibrator

Along with the social development, the national economy is stronger and stronger to the dependence of the electricity supply, the electric power produces to put forward the higher request to the electric power system. Therefore, adjust the request that modern electric power produce, research the theories of electricity parameter measures and the method of realization, contribute to raise electric power quantity, support the electric power system safe, stable, and economic movement.Three phase multipurpose calibrator that in this text introduced, is multi-function electricity parameter test equipment that take single-chip microprocessor AT89C52 as to controlling core, and based on the theory of time division multiplier. It can measure voltage, current, phase, frequency, power etc, can be standard for test equipment of electric energy meter and indicator instrument, satisfy test work of grass-roots on the electric energy meter and the indicator instrument. This text was detailed to elaborate the hardware electric circuit principle, include the electric circuit that the signal sampling, power, electric voltage, electric current, frequency, mutually measure and the computer control. This text also introduced the software design process, include the mold piece that the function measure, the electric power check and the parameter constitution. Through test, the equipment accuracy grade attains 0.1 classes.