SYSTEM AND METHOD FOR DETECTING ISOLATED OPERATION OF DISPERSED POWER SUPPLY

SYSTEM AND METHOD FOR DETECTING ISOLATED OPERATION OF DISPERSED POWER SUPPLY

PROBLEM TO BE SOLVED: To detect an isolated operation of a dispersed power supply inexpensively without influencing a distribution system.SOLUTION: A system for detecting an isolated operation of a dispersed power supply includes: a signal injection apparatus that, in a distributing substation for s...

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1. Verfasser: DATE YOSHIAKI
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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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description PROBLEM TO BE SOLVED: To detect an isolated operation of a dispersed power supply inexpensively without influencing a distribution system.SOLUTION: A system for detecting an isolated operation of a dispersed power supply includes: a signal injection apparatus that, in a distributing substation for supplying power from a secondary side of a power transformer to a distribution line via a first breaker, has a first voltage transformer for transforming an injection signal synchronized with a predetermined phase of a commercial power supply for injection into a secondary zero phase circuit of the power transformer; and a signal detection apparatus that, in consumer equipment having the dispersed power supply connected to the distribution line via a second breaker, has a second voltage transformer for detecting a zero phase voltage on the distribution line and detects a component of the injection signal included in the zero phase voltage.
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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 SYSTEM AND METHOD FOR DETECTING ISOLATED OPERATION OF DISPERSED POWER SUPPLY
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