FLICKER PREVENTION DEVICE AND FLICKER PREVENTION CONTROL METHOD

FLICKER PREVENTION DEVICE AND FLICKER PREVENTION CONTROL METHOD

A frequency detector detects a system frequency from an AC voltage on an AC power line to which a power conditioner performing system interconnection of a distributed power supply is connected. A power converter is configured to inject lead reactive power or delay reactive power into the AC power li...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TEGURI, Akihiro, TAKAHASHI, Tatsuya, KONDOH, Kenichi, TANI, Naoki, YACHIDA, Takayuki, MORISHIMA, Naoki
Format: Patent
Sprache: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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Beschreibung
Zusammenfassung:A frequency detector detects a system frequency from an AC voltage on an AC power line to which a power conditioner performing system interconnection of a distributed power supply is connected. A power converter is configured to inject lead reactive power or delay reactive power into the AC power line. A controller controls reactive power output from the power converter to output the lead reactive power in response to an increase in the system frequency while outputting the delay reactive power in response to a decrease in the system frequency.