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Smoothing reactor is a device used in a DC circuit after rectification.
When the pulse number of the rectifier circuit is limited, there are always harmful ripple in the output straightening voltage, which needs to be suppressed by the smoothing reactor.
The converter stations of DC transmission are equipped with smoothing reactors so that the output DC is close to the ideal DC. In DC - powered thyristor electric drive, flat - wave reactor is also necessary.
The smoothing and the DC filter together constitute the DC harmonic filtering circuit of the DC side of the HVDC converter station, which is one of the important equipment of the HVDC converter station.
In a DC transmission system, when the DC current is interrupted, a high overvoltage will be generated, which is unfavorable to insulation and makes the control unstable. smoothing reactors prevent DC current discontinuity by limiting the rate of current change caused by rapid voltage changes, thus reducing the commutation failure rate of the converter.
Smoothing reactor is a device used in a DC circuit after rectification.
When the pulse number of the rectifier circuit is limited, there are always harmful ripple in the output straightening voltage, which needs to be suppressed by the smoothing reactor.
The converter stations of DC transmission are equipped with smoothing reactors so that the output DC is close to the ideal DC. In DC - powered thyristor electric drive, flat - wave reactor is also necessary.
The smoothing and the DC filter together constitute the DC harmonic filtering circuit of the DC side of the HVDC converter station, which is one of the important equipment of the HVDC converter station.
In a DC transmission system, when the DC current is interrupted, a high overvoltage will be generated, which is unfavorable to insulation and makes the control unstable. smoothing reactors prevent DC current discontinuity by limiting the rate of current change caused by rapid voltage changes, thus reducing the commutation failure rate of the converter.
