Method for solving optimal operation of atomic energy unit-containing power grid at high frequency

A technology of atomic energy and operation mode, applied in the direction of circuit devices, AC network circuits, reducing/preventing power oscillation, etc., can solve the problem of large differences in high-frequency cutting machine solutions, difficulty in ensuring power frequency stability in isolated grids, high frequency in local grids, etc. problems to avoid crashes

Inactive Publication Date: 2019-03-08
GUANGXI POWER GRID ELECTRIC POWER RES INST
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Problems solved by technology

[0003] As the proportion of atomic energy units in the power grid continues to increase, once the power grid where the unit is located suffers a serious fault and it is separated from the main grid, it is easy to have high-frequency problems in the local power grid
High-frequency cut-off is the main means to control frequency rise on the grid side. At present, there is no unified setting method. The high-frequency cut-off schemes adopted by each power grid are quite different, and it is difficult to ensure frequency stability in the case of severe excess power in isolated grids.

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  • Method for solving optimal operation of atomic energy unit-containing power grid at high frequency
  • Method for solving optimal operation of atomic energy unit-containing power grid at high frequency
  • Method for solving optimal operation of atomic energy unit-containing power grid at high frequency

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[0027] In order to better understand the present invention, the following further describes the present invention with reference to the accompanying drawings and specific embodiments:

[0028] Due to the high-dimensional non-linear characteristics of the power system, the operating frequency of the system cannot be calculated by analytical algorithms. The full digital real-time simulation system (ADPSS) platform of the power system can be used to study its frequency characteristics. Based on the typical operation mode of the power grid, the simulation calibration is carried out through various typical fault sets. Based on the experience, a coordinated optimization method for high-frequency cut-off measures of isolated grids containing nuclear power units and frequency-related protection of the units is proposed.

[0029] A solution method for optimal operation of power grids containing nuclear power units at high frequencies includes the following steps:

[0030] S1: Establish an object

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Abstract

The present invention relates to the technical field of the operation of the atomic energy unit, in particular to a method for solving the optimal operation of an atomic energy unit-containing power grid at a high frequency. The specific steps comprise: establishing an objective function, wherein the objective function is used to confirm an optimization result of a power grid operation mode; setting a control variable, wherein the control variable is used to determine a coordinated control strategy parameter of the power grid operation; and by using a simulation system, performing adjustment to obtain an optimal objective function. According to the method for solving the optimal operation of the atomic energy unit-containing power grid at a high frequency provided by the present invention,key difficulties of ensuring the safety of the atomic energy generator set and the thermal power generating unit in the power grid, comprehensive consideration of the frequency control measures of the power grid, and ensuring the stable operation of the power grid are overcome, and the effect of the stable operation of the power grid based on the simulation data of the power grid operation is significantly improved.

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Application Information

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Owner GUANGXI POWER GRID ELECTRIC POWER RES INST
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