HENGYI ELECTRIC GROUP Just for three phase compensa�on JKW series reac�ve power auto-compensa�on controllers 1 General JKW series is suitable for automa�cally adjus�ng of low voltage distribu�on sytem capacitor compensa�ng device to make power factor get user’s predetermined state, increase service efficiency of power transformer reduce line loss,and inprove the voltage of power supply. 2 Types and meanings JKW Total output circuit 5C：With the contactor D5：With the combina�on switch Reac�ve power compensa�on controller 3 Normal working and installa�on condi�ons 3.1 Ambient temperature：-25℃ ~ +55℃ 3.2 Rela�ve humidity：40℃ ≤20%；20℃ ≤90% 3.3 Al�tude：≤2500m 3.4 Environmental condi�ons: no noxious gas and vapour; no conduc�vity or explosive dust; no violent mechnical vibra�on. 4 Main parameters and other condi�ons rated working voltage Investment threshold rated working current over voltage protection 230~260V or 380~500V Phase sequence of sampling signal measuring active power 0-9999 kvar self checking function Under-voltage protection value total output circuit Control mode Automatic optimizing / cycled switching power consumption Protection grade Dielectric strength output contact capacitance output contact capacitance display power factor 5 Main structural features 5.1 The capacity of the switched capacitor is calculated according to the reac�ve power and the compensa�on precision is high． 5.2 High measuring precision of power factor and wide display range． 5.3 Ini�al phase prese�ng(same polarity or current signal polarity is adjusted by so�ware)． 5.4 Provided with two control modes such as power factor control mode and reac�ve power controI mode． 5.5 Friendly human—machine interface with convenient opera�on 5.6 Various fully digitalized control parameters，adjustable and visual with convenient use． 5.7 automa�c and manual running． 5.8 Provided with protec�on func�ons for over-voltage and under-voltage． 5.9 Provided with memory protec�on func�on for power failure to avoid data loss． 5.10 Low current signal input impedance，≤0.01Ω