RELAY DEVICE, CONTROL METHOD THEREOF, AND POWER STORAGE SYSTEM AND SOLAR POWER GENERATION SYSTEM USING THE SAME

Japanese Patent JP2023133767

A

To provide a small, lightweight, and low-cost relay device for connecting a power generation device such as a solar cell module (solar power generation panel) and a power conversion device (e.g., a power conditioner), a control method thereof, and a power storage system and a solar power generation system using the same.SOLUTION: A relay device 100 arranged between a solar cell portion 120 and a power conversion device 130 includes: a first terminal block 102 to which the solar cell portion is connected; a second terminal block 104 to which the power conversion device is connected; a relay 110 that is connected to the first terminal block and the second terminal block and connects or disconnects the solar cell portion and the power conversion device according to the output of the solar cell portion; a temperature detection portion that is provided in at least one of the first terminal block and the second terminal block; and a control portion 108 that outputs, to the relay, a signal for cutting off the connection between the solar cell portion and the power conversion device according to the output of the temperature detection portion.SELECTED DRAWING: Figure 1

KOROGI MASAKI
AYAI NAOKI
OKUMURA TOSHIAKI

JP2022038949A

September 27, 2023

March 14, 2022

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SUMITOMO ELECTRIC INDUSTRIES

H02H7/00; H02H5/04; H02J7/00; H02J7/35

Satoshi Shimizu
Kimio Matsumoto
Tetsushi Kamidai
Naomi Jinno

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