How to calculate the capacity(Vars) of reactive power compensation
Dec 28,2019

Reactive power is necessary to generate magnetic fields, e.g. in motors, transformers and generators. This power oscillates between the source and the load and represents an additional loading.

Static var Compensator (SVC) and static var generator can suppress the voltage fluctuation, flicker and rapidly compensate the reactive power and the quality of electric power can be improved.

power factor power triangle

If you have questions about how to calculate the capacity of reactive power compensation,contact us please.

Table (10kv system)

Data Item Power Factor θ Sinθ Tagθ P (Kw) Q   (KVAr) S (KVA) Current (Amp) Voltage (Kv)
Before Compensation 0.85 31.79 0.53 0.62 1000 620 1176 68 10
After Compensation 1.00 0.00 0.00 0.00 1000 0 1000 58
Capacity of Compensation 620 36

  1. Case 1,kown datas: active power and power factor;
  2. Case 2,kown datas: active power and reactive power;
  3. Case 3,kown datas: apparent power  and power factor;
  4. Case 4,kown datas:Current and power factor;
Our pleasure to calculate for your networks.


ZDDQ Related Power quality products to improve power factor

Low voltage static var generator

Low voltage capacitor banks

Medium voltage capacitor banks

Statcom

outdoor statcom medium voltage static var generator

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