LIGHTWEIGHT/QUIET POWER SUPPLY DEVICE APPROPRIATELY CONSIDERING POWER SUPPLY CAPACITY, POWER SUPPLY DEVICE BEING CAPABLE OF PERFORMING, ONLY TEN AND SEVERAL TIMES, ROUTINE COOPERATION TEST BETWEEN CIRCUIT BREAKER (CB) AND OVERCURRENT RELAY (OCR) THAT ARE APPLIED TO HIGH-VOLTAGE POWER SUBSTATION

摘要

PROBLEM TO BE SOLVED: To provide a power supply device capable of performing, only ten and several times, a routine cooperation test between a circuit breaker (CB) and overcurrent relay that are applied to a high-voltage power substation, the power supply device being lightweight and capable of performing the cooperation test in a quiet manner.;SOLUTION: A power supply device is constituted by two of an inverse conversion device (inverter) having appropriate capacity and a secondary cell (battery) capable of performing, only ten and several times, a routine cooperation test between a circuit breaker (CB) and overcurrent relay (OCR) or three of an inverse conversion device (inverter) having appropriate capacity, a secondary cell (battery) capable of performing, only ten and several times, a routine cooperation test between a circuit breaker (CB) and overcurrent relay (OCR), and a charging device (charger) suitable for the secondary cell (battery).;SELECTED DRAWING: None;COPYRIGHT: (C)2018,JPO&INPIT