SELF-SUSTAINED OPERATION SYSTEM AND METHOD OF DISTRIBUTED POWER SUPPLY

SELF-SUSTAINED OPERATION SYSTEM AND METHOD OF DISTRIBUTED POWER SUPPLY

PROBLEM TO BE SOLVED: To provide a self-sustained operation system of a distributed power supply performing self-sustained operation of a load in an emergency microgrid system stably, by preventing reverse power flow for an emergency generator during self-sustained operation.SOLUTION: A self-sustain...

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Hauptverfasser: OKAZAKI MASUMI, YAMANE TOSHIHIRO, MIDORIKAWA MINA, OYAMA TOSHIO
Format: Patent
Sprache:eng
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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 OKAZAKI MASUMI
YAMANE TOSHIHIRO
MIDORIKAWA MINA
OYAMA TOSHIO
description PROBLEM TO BE SOLVED: To provide a self-sustained operation system of a distributed power supply performing self-sustained operation of a load in an emergency microgrid system stably, by preventing reverse power flow for an emergency generator during self-sustained operation.SOLUTION: A self-sustained operation system of a distributed power supply includes a power conversion unit performing compensation of power variation in a feeding system supplied with power from a commercial system by using a storage battery, a natural energy generator performing generation by using natural energy, and supplying the power generated to the feeding system, an emergency generator supplying power to the feeding system when the commercial system is disconnected from the feeding system, and a control unit for stopping power supply from the natural energy generator if the output power to the feeding system of the emergency generator goes a first threshold or less, when driving a load provided in the feeding system with power of the emergency generator, the natural energy generator and the storage battery, and resuming power supply from the natural energy generator when start conditions are satisfied.
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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 SELF-SUSTAINED OPERATION SYSTEM AND METHOD OF DISTRIBUTED POWER SUPPLY
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