MV Shunt Reactors manufactured by Mustakbeli can be designed as single-phase or three-phase units, covering a reactive power range of 25 kVAr to 10 MVAr and voltage levels up to 36 kV. These products are available in oil-immersed or dry-type versions and can be manufactured with either fixed power ratings or automatic power step changers for on-load operation.
Shunt reactors feature a design comprising windings and a magnetic core with distributed air gaps. Their operating principle relies on energy storage within the air gaps of the magnetic circuit, allowing the windings to generate a specific inductance value. It should be noted that they do consume a small amount of active energy.
Shunt reactors are also classified as inductive load reactors. In facilities subject to capacitive effects, they act as inductive loads to maintain the balance between capacitive and inductive energy.
Capacitive effects occurring in long power transmission lines can lead to system over-compensation and reduce the line’s load-carrying capacity. Shunt reactors are employed to mitigate these adverse effects.
The main disadvantages caused by capacitive reactive energy are:
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