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Air Core Shunt Reactors


Shunt Reactors act as absorbers of reactive power to increase energy efficiency of the power system.

Shunt Reactors are inductors that are used in order to compensate capacitive reactive power generated by long and lightly loaded transmission lines as well as underground cables, thus allowing the flow of more active power through the system and avoiding over voltages. The shunt reactors provide inductive compensation.

Shunt reactors are connected to the tertiary winding of the main transformer or they are directly connected to the line. In high power and high voltage systems, shunt reactors should be used with RC snubber filters because in such systems switching transient voltages are extremely high and the switching devices can be damaged.

 

Advantages

 

  • Air core, dry type construction
  • Limited temperature rise enables longer lifetime
  • Special surface protection against UV and pollution Class IV areas
  • Maintenance-free design
  • Epoxy impregnated, fiberglass encapsulated winding
  • Low losses
  • Low noise level

 

 

 

Technical Specification
Voltage Up to 36 kV
Power Up to 20 MVAr *
Type Air core, dry type
Frequency 50 Hz / 60 Hz
Installation Enclosure available on demand, side-by-side, delta or vertical arrangement
Winding Aluminium or copper winding
Painting RAL 7035 or other colors on demand
Construction Epoxy impregnated, fiberglass encapsulated construction
Temperature -40°C to 55°C
Insulation class F class or custom
Cooling AN (air-natural) cooling method
Standards IEC 60076-6, IEEE Std. C57.21
Options

- Taps

- Enclosure

- Skid mounted

- Elevated support stands

- DIN or NEMA terminal configuration

- Complete solution with CBs, snubber circuit and protection relay

*Consult factory for higher values.

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