Title:
CONTROL METHOD AND DEVICE OF POWER TYPE ENERGY STORAGE APPARATUS AND REGIONAL POWER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/123677
Kind Code:
A1
Abstract:
Provided are a control method and device of a power type energy storage apparatus and a regional power system. The power type energy storage apparatus is connected to an incoming line end of a second transformer by means of a first transformer. The incoming line end is further connected to a power grid. An outgoing line end of the second transformer is connected to a target load. The control method comprises: in response to that no fault occurs in the power grid, controlling the power type energy storage apparatus to be in a hot standby state; and in response to a short-circuit fault of the power grid, controlling the power type energy storage apparatus to provide short-circuit current for a fault point of the power grid, to prevent disconnection by a circuit breaker of the power grid. When the circuit breaker actions for disconnection, the incoming line end is disconnected from the power grid.
Inventors:
ZHANG WEI (CN)
ZHANG JUNSHENG (CN)
ZHENG DEHUA (CN)
ALEMU SOLOMON NETSANET (CN)
HE GE (CN)
ZHANG JUNSHENG (CN)
ZHENG DEHUA (CN)
ALEMU SOLOMON NETSANET (CN)
HE GE (CN)
Application Number:
PCT/CN2022/080400
Publication Date:
July 06, 2023
Filing Date:
March 11, 2022
Export Citation:
Assignee:
BEIJING GOLDWIND CARBON NEUTRAL ENERGY CO LTD (CN)
International Classes:
H02J3/38; G01R31/00; H02H3/08; H02H7/06; H02H9/00; H02J3/32
Foreign References:
| CN104993513A | 2015-10-21 | |||
| CN111478368A | 2020-07-31 | |||
| CN2754255Y | 2006-01-25 | |||
| KR101865086B1 | 2018-06-07 | |||
| JPH10313531A | 1998-11-24 |
Attorney, Agent or Firm:
MING & SURE INTELLECTUAL PROPERTY LAW FIRM (CN)
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