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We have manufactured Current Limiting Reactors for 400kV, 40kA, 800 micro Henry rating for Power Grid Corporation of India. We have also supplied reactrs for various Cement and Steel plants in various assembly formats and connections as per the customer requirement.

We are also the only Indian Manufacturer to have type tested 400kV Dampening reactors at Central Power Research Institute, Hyderabad. 

 

Current-limiting reactors are series reactors intended to reduce the short circuit currents in the power system. The motive to reduce the short circuit currents in the is to use circuit breakers with lower short circuit current breaking capacity and consequently less expensive circuit breakers.

Sometimes other system components also need protection against too high short circuit currents, like for instance auto connected transformers that are not self-protecting due to their low impedance.

Another application is limitation of the inrush current when starting large motors.

Current-limiting reactors are sometimes used to limit discharge currents of capacitor banks. In such cases, a bifilar wound resistance wire is induced and connected in parallel with the inductance.

 

Dry Type Current - Limiting Reactors

 

Oil - Immersed Current - Limiting Reactors

 

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