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ADPSS-based distributed power flow controller modeling and simulation method

A technology of power flow controller and simulation method, which is applied in the direction of AC network with the same frequency from different sources, AC network circuit, flexible AC transmission system, etc., and can solve the problem of limited simulation scale

Active Publication Date: 2017-09-15
WUHAN UNIV OF TECH
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Problems solved by technology

At present, modeling and simulation based on PSCAD / EMTDC can guarantee the accuracy of the imitated FACTS, and can also reflect the detailed dynamic process and dynamic characteristics of FACTS, but the simulation scale is limited

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  • ADPSS-based distributed power flow controller modeling and simulation method
  • ADPSS-based distributed power flow controller modeling and simulation method
  • ADPSS-based distributed power flow controller modeling and simulation method

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Embodiment Construction

[0078] The present invention will be further described below in conjunction with specific examples and accompanying drawings.

[0079] The purpose of the present invention is to propose a distributed power flow controller (DPFC) modeling method based on ADPSS, to research a modeling simulation method that can not only ensure the simulation accuracy of DPFC, but also take into account the simulation scale, so that the DPFC device can be used safely in the actual power grid. Stable operation provides more reliable, comprehensive and refined theoretical support, and the implementation steps are as follows:

[0080] 1) if figure 1 As shown, the simulation model of the double-circuit transmission system is built in the ADPSS / ETSDAC simulation environment, the voltage at the transmitting end is Vs, the voltage at the receiving end is Vr, and the Y-△ transformers at the beginning and end of the transmission line are T 1 and T 2 , the impedance of transmission line 1 is XL 1 , the ...

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Abstract

The invention provides an ADPSS-based distributed power flow controller modeling and simulation method. Electromagnetic transient simulation of a distributed power flow controller on a power system digital simulation system ADPSS platform can be realized. The method comprises the steps that a double-loop power transmission system simulation model is established under the ADPSS / ETSDAC simulation environment, a DPFC device is appropriately simplified by using the UDM function module of the ADPSS / ETSDAC, a series side current converter equivalent mathematical model is established by using an equivalent voltage source, and a parallel side current converter equivalent mathematical model is established by using an MMC mean value model. The dynamic and static characteristics of the DPFC device and the regulation and control function for the system power flow can be reflected under the premise of guaranteeing the simulation scale so that the simulation accuracy can be guaranteed and the simulation time can be shortened; and the more reliable, more comprehensive and more detailed theoretical support can be provided for actual power grid safe and stable operation of the DPFC device, and the foundation can be laid for popularization and application of the distributed power flow controller.

Description

technical field [0001] The invention relates to the field of modeling and simulation of flexible power transmission in power systems, in particular to an ADPSS-based distributed power flow controller modeling and simulation method. Background technique [0002] Flexible AC Transmission System (FACTS), as the future development direction of power transmission technology in the 21st century, has received great development and worldwide attention since it appeared in the 1990s. FACTS technology is a major reform of traditional AC power system by using modern high-power power electronic technology. It uses modern high-power power electronic technology to quickly adjust the phase angle, reactive power, reactance and other parameters in the AC system to improve the stability and reliability of the AC system and make the traditional AC transmission system more flexible and flexible. Make full use of the original resources of the transmission system to meet the goal of safe, reliab...

Claims

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Application Information

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IPC IPC(8): H02J3/06
CPCH02J3/06H02J2203/20Y02E40/10
Inventor 唐爱红金英雷黄涌赵红生徐秋实郑旭乔立赵雄光王少荣刘涤尘
Owner WUHAN UNIV OF TECH
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