... 电压Vrms、电流Arms、频率Fre、功率Wattage、功率因数PF 电压稳压率Voltage Regulation 负载稳压率Load Regulation ...
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实验测试结果表明：所设计的电源具有稳压性能优良，纹波小，电压调整率、负载调整率高等优点。
Test results show that the designed power supply has good voltage regulation performance, with small ripple and high regulation rate of voltage and load.
本文首先阐述了线性调宽式开关稳压器的组成原理；其次，计算了基准电压及占空系数，推演出电压调整率、输出内阻、效率等三项性能指标的数学公式；
The structural principle of the linear width type voltage regulator is presented and the expressions for selecting and computing the reference voltage and the duty factor are given.
实验结果表明，该开关稳压电源具有频响快、电压调整率和负载调整率高的特点，是一种性能较好的开关稳压电源。
Test results show that the designed power supply has good voltage regulation performance, with small ripple and high regulation rate of voltage and load.
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