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力士乐 4WRL 大流量伺服比例阀+模拟式放大器[0]

Posted on 2023年11月14日2023年11月14日 by

力士乐 4WRL 大流量伺服比例阀+控制器采用p/Q调节放大器VT-VARAP1。

  1. 4WRL三级阀(与VT-VARAP1放大板配套)
  2. VT-VARAP1放大板_cn

力士乐 4WRL 大流量伺服比例阀,两级阀,先导级采用4WRPH6阀,最大流量1100L/min,最大压力35MPa。

p/Q调节放大器VT-VARAP1 标准线性放大器原理

非对称线性放大器原理

VT-VARAP1 p/Q控制器(压力为主控制,流量为限制器,在Pcmd<P实际,板卡工作在流量控制模式,即开环流量控制)

主控制卡

子卡

典型应用——压力控制

典型控制压力+压力补偿元件(压力补偿阀)

力士乐的压力补偿器见《压力补偿器》

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