Title:
EQUIVALENT CONDUCTANCE COMPENSATION ECCENTRIC METHOD METHOD FOR ACQUIRING POWER TRANSMISSION COEFFICIENT OF DIRECT CURRENT POWER GRID
Document Type and Number:
WIPO Patent Application WO/2018/209476
Kind Code:
A1
Abstract:
An equivalent conductance compensation eccentric method method for acquiring a power transmission coefficient of a direct current power grid: on the basis of node load parameters and node power supply parameters, establishing an equivalent conductance compensation global linear relationship equation of node injection power with respect to node translation voltage (101); on the basis of the equivalent conductance compensation global linear relationship equation and a reference node number, establishing an equivalent conductance compensation global linear eccentric model for the direct current power grid stable state (102); on the basis of the power compensation global linear symmetry model, using an inverse matrix to establish an equivalent conductance compensation global linear eccentric matrix relationship equation of full-network node translation voltage with respect to non-reference node injection power (103); establishing an equivalent conductance compensation global linear eccentric relationship equation of branch transmission power with respect to non-reference node injection power (104); and, on the basis of the equivalent conductance compensation global linear eccentric relationship equation, acquiring the power transmission coefficient of the direct current power grid (105). The present method achieves high precision and fast and reliable calculation, and improves the accuracy and real-time performance of control when the operating state of the power grid changes greatly.
Inventors:
JIANG HUI (CN)
PENG JIANCHUN (CN)
PENG JIANCHUN (CN)
Application Number:
PCT/CN2017/084282
Publication Date:
November 22, 2018
Filing Date:
May 15, 2017
Export Citation:
Assignee:
UNIV SHENZHEN (CN)
International Classes:
H02J1/00
Foreign References:
| US20160372922A1 | 2016-12-22 | |||
| CN103956733A | 2014-07-30 | |||
| CN102403724A | 2012-04-04 | |||
| CN103618311A | 2014-03-05 | |||
| CN105745809A | 2016-07-06 |
Attorney, Agent or Firm:
SHENZHEN ZHONGYI PATENT AND TRADEMARK OFFICE (CN)
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