Super-capacitor-based DC voltage sag suppression device and suppression method thereof

Super-capacitor-based DC voltage sag suppression device and suppression method thereof

The invention discloses a super-capacitor-based DC voltage sag suppression device and a super-capacitor-based DC voltage sag suppression method thereof, which belong to the technical field of power equipment. The device consists of a super capacitor array (CS), a Buck/Boost type bidirectional power...

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Hauptverfasser: HAN MINXIAO, YIN HUCHEN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
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creator HAN MINXIAO
YIN HUCHEN
description The invention discloses a super-capacitor-based DC voltage sag suppression device and a super-capacitor-based DC voltage sag suppression method thereof, which belong to the technical field of power equipment. The device consists of a super capacitor array (CS), a Buck/Boost type bidirectional power conversion circuit and a contactor (KD). When a voltage sag suppressor is powered on and run, the super capacitor array (CS) is charged by the Buck/Boost type bidirectional power conversion circuit; and when a DC bus has voltage sag due to a failure of an AC system, the super capacitor array (CS) provides energy to realize boosting by the Buck-Boost type bidirectional power conversion circuit to support the voltage of the DC bus. The invention has the characteristics of simple structure, high reliability, low loss, long service life, no maintenance, no environmental pollutions and the like.
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subjects CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
title Super-capacitor-based DC voltage sag suppression device and suppression method thereof
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