Oil-Filled Shunt Reactors

Gilbert Electrical Systems is the leader in oil-filled shunt reactors. Shunt reactors are used for adding lagging VARs to compensate for capacitive generation in long cable runs.

Under normal operation of a power system the current is essentially determined by the connected ohmic and inductive loads. High voltage transmission lines and cables however have an inherent capacitance, causing a capacitive charging current. Thus capacitive VArs are generated. In lightly loaded lines or cables this capacitive current will increase the voltage at the end of the line. By the use of shunt reactors the capacitive VARS will be compensated and the voltage increase at the end of the line will be limited. The efficiency of the power system will be increased by allowing the transmission of more active energy.

Oil-filled pad mount shunt reactors up to 35 kV, both single phase and three phase.

10 MVAR oil-filled shunt reactor
10 MVAR oil-filled
shunt reactor
  35 KV oil-filled shunt reactor with metal enclosed SF6 switch
35 KV oil-filled shunt reactor with metal
enclosed SF6 switch
     
35 KV oil-filled shunt reactor with metal enclosed SF6 switch
35 KV oil-filled shunt reactor with metal
enclosed SF6 switch
  300 KVAR shunt reactor
300 KVAR shunt
reactor
     
Oil-filled Shunt Reactor   600 KVAR shunt reactor
600 KVAR shunt
reactor

Essentially, shunt reactors are sized in the same manner as adding capacitors, by changing the power factor.

These reactors can be three-phase, single phase, and live or dead front, pad mounted design. Or can be single-phase pole mounted design.

Gilbert Electrical Systems shunt reactors are built to IEEE Std. C57.21. This is for reactors 500 KVA and over. However, on smaller reactors we use this standard as our guide.

Our pad mounted shunt reactors are built with COPPER WINDINGS and use magnet wire, the tank is filled with a transformer MINERAL OIL & the iron core reactor is placed in a ¼ inch tank. The air cabinet is also constructed of 11GA pickled and oiled welded steel painted with DuPont Powder Coat paint.

Oil Filled Reactors (5kV Class to 35 kV Class)

Gilbert Electrical Systems will work closely with the customer to design and manufacture the reactor package to fit their needs. We have a strong engineering presence and are very accessible to our customers.

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Pole Mounted Oil Filled Reactors | Harmonic Filters

•Single Phase
•Single Step Banks
•Multiple Step Banks

Harmonic Filters or Shunt Reactors, and Pad Mounted Style

•Single Phase
•Three Phase
•Live Front
•Dead Front

Station Mounted Class

•Single Phase
•Three Phase
•Side Wall Bushings
•Roof Bushings

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