用于功率电源特性测试的负载设计与控制Design and Controlof th eL oadU sedf orT estingC haracteristico fP ower Supply摘要:对功率电源特性测试中使用的电阻负载，介绍了其阵列结构模式的设计原理。提出了直接控制和预置控制两种算法，分析了直接控制算法存在的问题，着重介绍了预置控制算法的优点和可行性。通过在自研发的大功率充电机稳压及纹波特性测试仪上的应用，证明了预置控制算法的有效性。关键词:功率电阻阵列直接控制算法预置控制算法稳压特性Abstract; Focusing on the resistance load used for testing characteristic of power supply, its designing principle and array structure pattern are introduced. The direct control algorithm and presetting control algorithm are proposed. The problem existing in direct control algorithm is analyzed,and the excelence and feasibility of presetting control algorithm are emphasized. Using the latter in heavy-duty charger stabilized voltage and ripple characteristic tester approves its efectiveness.Keywords;P ower Resistancea rray Directc ontrolal gorithm Preseting control algorithm Stabilized voltage characteristic
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