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提出一种适用于市电负载的恒流源模型,对其主要参数和误差作理论分析。并以LED为恒流源的负载的电路进行实测和分析,在控制恒流源电流误差的基础上给出设计经验算式。
A model of constant current source suitable for mains load is proposed, and its main parameters and errors are analyzed theoretically. And the LED as a constant current source of the load circuit is measured and analyzed in the control of the constant current source current error is given based on the design experience formula.