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Detuned Reactor

Providing Power Quality and Energy Efficiency High Voltage (HV) reactive power compensation and harmonic filtering solutions help customers to improve the performance  of installations through energy savings and better power quality, enabling end users to save money and reduce the environmental impact of their operationsa.

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 Detuned Reactor For Reactive Power Compensation

Key Benefits

Energy savings

Improved power quality

Pay-back period 0.5-2 years

Reduction of losses in the electrical network

Improved transmission capacity

Why We Need Detuned Reactor ?

Using a detuning reactor in series with the capacitor will provide a higher impedance to the harmonics, which can eliminate the risk of capacitor's overloading.

  • Eliminating risk of capacitor overload, then enhance the working life of capacitor

  • Eliminating harmonic amplification

  • Avoid resonance between capacitor and the mains

Low/Medium Voltage Reactors in Capacitor Bank
Low/Medium Voltage Reactors in Capacitor Bank

Low/Medium Voltage Reactors in Capacitor Bank

Work Principle

In a detuned filter application, the voltage across the capacitors will be higher than the nominal system voltage due to Vector sum of voltage drop, hence  the capacitors must be designed to withstand higher voltages. Typical capacitor voltages for 400/415V network are 480V, 525V etc. thus detuned reactor must be chosen according to the capacitors they are associated with.

Work Principle

Practical Application

Series reactors and shunt reactors are commonly used in power systems. Series reactors are mainly used to limit the short-circuit current. Sometimes capacitors were in series or in parallel in the filter to limit higher harmonics in the grid as well.

Electric City
Power System