Title:
PHOTOVOLTAIC POWER GENERATION NETWORK CUT-OFF UNIT AND PHOTOVOLTAIC POWER GENERATION NETWORK CUT-OFF SYSTEM PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2021/038915
Kind Code:
A1
Abstract:
A photovoltaic power generation network cut-off unit (1) is provided with a first breaker (20) and second breakers (30). The first breaker (20) is provided in a power line (14) that connects a power conditioner (12) and a plurality of photovoltaic power generation modules (11) in series, and when an emergency cut-off button (13) is operated, cuts off power supply from the photovoltaic power generation modules (11) through the power line (14) and transmits an emergency cut-off signal. The second breakers (30) are each provided to each plurality of the photovoltaic power generation modules (11), and when receiving the emergency cut-off signal from the first breaker (20), cuts off the power supply from the plurality of photovoltaic power generation modules (11) through the power line (14) and transmits a cut-off completion signal to the first breaker (20).
Inventors:
KOJIMA HIDEAKI (JP)
OGURA RYO (JP)
SUGIURA MITSUNORI (JP)
OGURA RYO (JP)
SUGIURA MITSUNORI (JP)
Application Number:
PCT/JP2020/006025
Publication Date:
March 04, 2021
Filing Date:
February 17, 2020
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO (JP)
International Classes:
H02H3/00; H02J13/00; H02H7/20; H02H7/26
Domestic Patent References:
| WO2015087638A1 | 2015-06-18 |
Foreign References:
| JP2016208635A | 2016-12-08 | |||
| JP2006216660A | 2006-08-17 | |||
| JP2013247787A | 2013-12-09 | |||
| JP2014033587A | 2014-02-20 |
Attorney, Agent or Firm:
MOTOYAMA, Masafumi (JP)
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