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DV DVPFR-12 Manual

Power factor regulator
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Summary of Contents for DV DVPFR-12

  • Page 2: Brief Introduction

    Brief Introduction DVPFR-12 Power Factor Regulator adopts the most advanced SCM control technology at home and abroad, having memory function to modified parameters. It has characteristics of high precision, high sensitivity, strong anti-interference capacity by analog type controller, and with non-shutdown. This series product conforms to JB/t9663-1999 standard, can be widely used in different electric network conditions.

  • Page 3: Function Selection

    Operation instruction Function selection The first position of digit tube (LED) displays function code. According to code table if press for less than 0.5s under automatic state it will directly enter into manual state, if exceed 1S, all function codes can be chosen circularly. (Refer to code table) Parameter modification If you choose a function code, release key, press...
  • Page 4 C/K setting instruction C/K value is the reactive threshold value of input-cut capacitor. Each step of capacitor power(kvar)is divided by the ratio k(the ratio of current sampling current transformer), if for unequal capacitance compensation cabinet, according to the min capacitaor to calculate for each step of capacitor.

  • Page 5: Connecting Diagram

    Connecting diagram Power Supply : 380V Tapping size : 113x113mm Wiring : 1. Ub, Uc voltage signal input terminals at L2 and L3 phase 2. la, In current signal input terminals at L1 phase CT 3. V common terminal of control output terminal. 4.

  • Page 6: Notice For Operation

    Notice for operation Input threshold and cut threshold of controller all can be set. For the electric network with big load changing frequency( Such spot welder, elevator etc). and unstable power factor, please notice that set the cut threshold a certain value higher than input threshold, at the same adjust the delay time longer properly to avoid the over frequent input-cut, which may affe ct the service life of the product.

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