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  WTB系列低压无功功率补偿柜采用大功率无触点投切开关或电容投切专用接触器，根据电网电压电流及无功功率情况，由控制器实时进行动态分析、过零判断，实现快速无冲击地投入并联电容器组，以补偿电网无功功率，达到节能降损的目的。执行JB7113-1993《低压并联电容器装置》、GB7251-1997《低压成套并联设备》等标准。

 WTB series low voltage reactive power compensation ark adopts high power allows contactless switching on-off switch or special contactor, capacitance can according to the power grid voltage and reactive power current situation, by the controller in real time and dynamic analysis, the zero judgment , no impact on the rapid into parallel capacitor group,with power grid reative power compensation, achieve the goal of energy conservation and loss reducion.perform JB7113-1993《Low voltage parallel capacitor devices》、GB7251-1997《Low voltage complete sets of e in parallel Such as the standard》

适用于0.4KV，50HZ供配电系统进行功率因数补偿，也适用于异步电动机和变压器等感性负载进行就地功率因数补偿，达到功率因数自动调整，减少无功损耗，稳定电网电压，提高供电质量的目的。

Scope of application. Suitable for 0.4kv,50hz power supply and diatribution sysytem for power factor compensation, also applies to asynchronous motor and transformer and other perceptual load power factor compensation of the spot, to achieve automatic power factor adjustment, reduce loss of reactive power and voltage stability of power grid. the purpose of improving the of power supply.