Series reactor normally used in transmission line to limit current, and for electric
furnace to limit current and stabilizing electric arc. It can be made in air core type or silicon core type.
Here we mean core type series reactor.
Advantage to air type:
1) Long life as transformer
2) Less work of maintenance
3) Less environment pollution without EMD and no oxen resin
4) Less area or space
5) Less losses.
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