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集成电路测试仪,电路板故障检测仪,电能质量分析仪,谐波分析仪,谐波测试仪http://www.art18.net
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谐波分析仪固态继电器(SSR)是由半导体元件组成的无触点开关元件，与传统有机械触点的电磁继电器相比，具有工作可靠，寿命长，对外界干扰小,抗干扰能力强,开关速度快,能与集成电路兼容等优点.本方案中采用交流过零型SSR作为投切电容器的器件,当智能控制器发出执行命令后,晶闸管在其阴阳极之谐波分析仪间的电压过零瞬间接通,电流过零瞬间判断,有效避免了电容器投切时的过渡过程,保证投入时无涌流,切除时无过电压,从而避免了涌流和过电压对电容器的损害,大大延长了电容器和其它电器元件的寿命.谐波分析仪
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