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Static synchronous compensator optimal configuration method and a system

A static synchronous compensation and optimal configuration technology, which is applied in flexible AC transmission systems, reactive power adjustment/elimination/compensation, etc., can solve problems such as STATCOM optimal configuration schemes that have not yet existed, and reduce the risk of secondary commutation failure, The effect of cost reduction and capacity optimization

Active Publication Date: 2018-12-11
TSINGHUA UNIV +1
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] The existing STATCOM optimal configuration scheme is aimed at optimizing the voltage transient characteristics, and there is no STATCOM optimal configuration scheme aimed at reducing the risk of secondary commutation failure

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  • Static synchronous compensator optimal configuration method and a system
  • Static synchronous compensator optimal configuration method and a system
  • Static synchronous compensator optimal configuration method and a system

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Embodiment Construction

[0057] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0058] The purpose of the present invention is to provide a static synchronous compensator optimized configuration method and system aimed at reducing the risk of secondary commutation failure, which can select the optimal installation capacity of the static synchronous compensator, and then determine the optimal installation quantity.

[0059] In order to make the above objectives, features and advantages of the present invention more obvi...

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Abstract

The invention discloses a static synchronous compensator optimal configuration method and system. The method comprises the following steps: utilizing a secondary commutation failure judgment method toscreen out faults that can cause the secondary commutation failure from a fault set; A static synchronous compensator with different capacity is installed on the commutating bus of each inverter station, calculating the decrease of the secondary commutation failure severity of each fault after the static synchronous compensator with different capacities is installed on the commutation bus of eachinverter station, and performing fitting processing on the capacity of the corresponding static synchronous compensator to obtain a fitting relationship; Finally, according to the constraint conditions determined by the fitting relationship and the established optimization objective function, the capacity of the static synchronous compensator on the commutator bus of each inverter station is optimized. The invention optimizes the capacity of the static synchronous compensator on the commutation bus of each inverter station to reduce the risk of the secondary commutation failure, thus obtaining the optimal installation capacity and reducing the cost.

Description

Technical field [0001] The invention relates to the technical field of optimized configuration of static synchronous compensators, and in particular to a method and system for optimized configuration of static synchronous compensators aiming at reducing the risk of secondary commutation failure. Background technique [0002] In the Multi-Infeed High-Voltage Direct Current (MI-HVDC) system, the installation of Static Compensator (STATCOM) on the converter bus can prevent secondary occurrence The role of sexual commutation failure. Among them, the preventive effect of commutation failure is related to the installation location and capacity of STATCOM, and because the investment cost of STATCOM is high, and it is proportional to its installed quantity and capacity, it is very important to optimize the installation quantity, location and capacity of STATCOM. important. [0003] The existing STATCOM optimized configuration scheme aims at optimizing the voltage transient characteristic...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/18
CPCH02J3/18Y02E40/10
Inventor 沈沉郑宽陈颖黄少伟于智同张璐包海龙
Owner TSINGHUA UNIV
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