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Research on the supercapacitor support schemes for LVRT of variable-frequency drive in the thermal power plant
2018
IOP Conference Series: Earth and Environment
Preserved Fulltext
In order to solve the problem of low voltage ride through(LVRT) of the major auxiliary equipment's variable-frequency drive (VFD) in thermal power plant, the scheme of supercapacitor paralleled in the DC link of VFD is put forward, furthermore, two solutions of direct parallel support and voltage boost parallel support of supercapacitor are proposed. The capacitor values for the relevant motor loads are calculated according to the law of energy conservation, and they are verified by Matlab
doi:10.1088/1755-1315/121/4/042021
fatcat:bualeoaztnaojoyijwmsognu3e