Title:
CIRCUIT BREAKER AND PHOTOVOLTAIC GENERATION MONITORING SYSTEM
Document Type and Number:
Japanese Patent JP2018033210
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a circuit breaker and a photovoltaic generation monitoring system that reduce energy loss due to backward current and thereby can save space and wiring.SOLUTION: A circuit breaker 4 includes: a first connection terminal 11A; a second connection terminal 12A; an electric circuit 13A for electrically connecting between the first and second connection terminals 11A, 12A in order to make forward current flow from the first connection terminal 11A to the second connection terminal 12A; a switch 21 for switching the electric circuit 13A; a current measuring unit 22 (backward current detection unit) for detecting backward current provided on the electric circuit 13A for detecting backward current flowing from the second connection terminal 12A to the first connection terminal 11A; a communication unit 24 for receiving, from the outside, a circuit open command signal to open the electric circuit 13A; and a control unit 25 for controlling the switch 21. The control unit 25 controls the breaker 21 to open the electric path 13A when the current measuring unit 22 detects backward current or when the communication unit 24 receives a circuit open command signal.SELECTED DRAWING: Figure 2
More Like This:
Inventors:
NAKAMURA TADAHIKO
Application Number:
JP2016162701A
Publication Date:
March 01, 2018
Filing Date:
August 23, 2016
Export Citation:
Assignee:
TOHO TECH CORP
International Classes:
H02S50/00; H01H9/44; H01H83/08
Attorney, Agent or Firm:
Patent Business Corporation Minori Patent Office
Previous Patent: An oscillating signal generation method and a resonance frequency searching method
Next Patent: Direct-current electric power system
Next Patent: Direct-current electric power system