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Transient stability energy function analytical method for power system including new energy

A power system and energy function technology, which is applied in the fields of electrical digital data processing, electrical components, circuit devices, etc., can solve the problems of increasing the security and stability scanning burden, increasing power system operation scenarios, etc., to achieve transient stability, realize The effect of direct assessment

Active Publication Date: 2014-12-24
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the uncertainty of new energy power, the possible operating scenarios of the power system have increased significantly, seriously increasing the burden of security and stability scanning

Method used

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  • Transient stability energy function analytical method for power system including new energy
  • Transient stability energy function analytical method for power system including new energy
  • Transient stability energy function analytical method for power system including new energy

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Embodiment Construction

[0019] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0020] The method for analyzing the transient stability energy function of a power system containing new energy according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0021] figure 1 It is a flow chart of a method for analyzing a transient stability energy function of a power system containing new energy sources according to an embodiment of the present invention. Such as figure 1 As shown, the transient stability energy function analysis method of a power syst...

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Abstract

The invention provides a transient stability energy function analytical method for a power system including new energy. The method comprises the steps that a mathematic model of the power system including the new energy is built; the energy function of the power system is constructed according to the mathematic model, and approximation analysis is carried out on path continuous items in the energy function through trapezoidal integral paths; critical energy is solved through an iterative potential energy boundary surface method. According to the energy function method, the transient stability of the power system including the new energy can be evaluated fast and quantificationally.

Description

technical field [0001] The invention relates to the technical field of electric power system stability and control, in particular to an analysis method for a power system transient stability energy function containing new energy. Background technique [0002] After large-scale multi-type new energy access, whether the power system can maintain safe and stable operation is very important, and transient stability is an important aspect. Due to the uncertainty of new energy power, the possible operating scenarios of the power system have increased significantly, which has seriously increased the burden of security and stability scanning. Therefore, there is an urgent need for a rapid security and stability assessment method. In addition, the access of multiple types of new energy has brought new controllable resources to the security and stability control of the power system. How to quantitatively obtain the control amount of new energy power generation according to the stabil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00G06F19/00
Inventor 陈乾沈沉刘锋何光宇金小明
Owner TSINGHUA UNIV
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