Title:
CONTROL CIRCUIT OF BACKUP POWER SUPPLY AND CONTROL METHOD FOR CONTROL CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2021/000462
Kind Code:
A1
Abstract:
Provided are a control circuit of a backup power supply and a control method for a control circuit. The control circuit comprises: a first backup power supply and a second backup power supply; the first backup power supply is connected to the second backup power supply by means of a first bus tie switch and is correspondingly provided with at least one first load group and at least one second load group; the first backup power supply is connected to the first load group by means of a first feeder switch, and the first load group is connected to the second load group by means of a second bus tie switch; the second backup power supply is correspondingly provided with at least one third load group and at least one fourth load group, and the second backup power supply is connected to the second load group by means of a second feeder switch and is connected to the fourth load group by means of a fourth feeder switch; the third load group is connected to the first backup power supply by means of a third feeder switch and is connected to the fourth load group by means of a third bus tie switch; and when a power supply is in an abnormal state, a backup power supply may be flexibly selected to supply uninterrupted power to a load group corresponding to the power supply in the abnormal state.
Inventors:
JU JING (CN)
WANG JIAN (CN)
LIU ZHIGUO (CN)
WANG JIAN (CN)
LIU ZHIGUO (CN)
Application Number:
PCT/CN2019/113222
Publication Date:
January 07, 2021
Filing Date:
October 25, 2019
Export Citation:
Assignee:
BEIJING QINHUAI DATA CO LTD (CN)
International Classes:
H02J9/06
Foreign References:
| CN201985614U | 2011-09-21 | |||
| CN110247469A | 2019-09-17 | |||
| CN110323828A | 2019-10-11 | |||
| CN205846851U | 2016-12-28 | |||
| JP2001078371A | 2001-03-23 |
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (CN)
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