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Equivalent aggregation simulation method for electromagnetic transient simulation of large-scale wind farm

An electromagnetic transient simulation and large-scale wind farm technology, applied in the field of effect aggregation simulation, can solve the problems of poor adaptability, low efficiency, and large amount of calculation of wind farm operation mode

Active Publication Date: 2011-04-20
CHINA ELECTRIC POWER RES INST +1
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Problems solved by technology

Both of the above two methods inevitably require cumbersome parameter reduction, which has a large amount of calculation and low efficiency, and the built model has poor adaptability to the operation mode of wind farms.

Method used

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  • Equivalent aggregation simulation method for electromagnetic transient simulation of large-scale wind farm
  • Equivalent aggregation simulation method for electromagnetic transient simulation of large-scale wind farm
  • Equivalent aggregation simulation method for electromagnetic transient simulation of large-scale wind farm

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Embodiment Construction

[0068] (1) Using power system electromagnetic transient simulation tools, such as the PSCAD / EMTDC electromagnetic transient analysis commercial software package developed by the High Voltage DC Transmission Research Center of the University of Manitoba, Canada, which is widely used in power systems, is aimed at large-scale wind turbines composed of the same type For wind farms, establish a detailed simulation model of a single wind turbine, including detailed simulation models of the wind power system, wind generator and control system. like figure 1 As shown, use PSCAD / EMTDC software to establish 4 double-fed wind turbines with the same settings. Among them, the wind power simulation system consists of three parts: dynamic wind speed simulation system, aerodynamic impeller, and blade angle control, such as figure 2 Shown; the control system of the doubly-fed wind turbine is shown as image 3 As shown, the VSC on the rotor side controls the active power and reactive power o...

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Abstract

The invention belongs to the field of a power system, and particularly relates to an equivalent aggregation simulation method for electromagnetic transient simulation of a large-scale wind farm. The invention provides an aggregation simulation method for simulating the large-scale wind farm by a single wind turbine and an ideal controlled current source according to the basal principle of an electromagnetic transient simulation algorithm of a power system and the characteristics of dynamic equations of a motor and a control system as well as an algebraic equation solving algorithm of an electric network. By adopting the equivalent aggregation simulation method for carrying out related research on synchronization of the large-scale wind farm, the complexity of modeling the large-scale windfarm can be reduced, and the modeling efficiency can be improved.

Description

technical field [0001] The invention belongs to the field of power systems, and in particular relates to an equivalent aggregation simulation method for electromagnetic transient simulation of a large-scale wind farm. Background technique [0002] With the in-depth implementation of national energy conservation and emission reduction policies, new energy, especially wind energy, will be developed and utilized on a large scale. Different from foreign wind farms that are distributed and distributed to the power grid, my country's wind resources are relatively concentrated. The southeast coast, northern Gansu, northern Xinjiang, Inner Mongolia, Heilongjiang, northeast Jilin and northern Hebei are all wind resource-intensive areas. Therefore, the development of wind power in my country And utilization must adopt the mode of large-scale, intensive development, and long-distance large-capacity delivery. In wind power bases with dense wind resources, several large wind farms are us...

Claims

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Application Information

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IPC IPC(8): G06F17/50F03D7/00
CPCY02E10/723Y02E10/72
Inventor 郑超马世英宋云亭雷虹云丁剑张志强陈得治
Owner CHINA ELECTRIC POWER RES INST
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