A Wind Farm Equivalent Modeling Method Applicable to Electromagnetic Transient Simulation
An electromagnetic transient simulation and equivalent modeling technology, applied in the field of value modeling, can solve problems such as large errors, complex models, and poor adaptability to working conditions
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[0087] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. Such as figure 1 As shown, the equivalent value of the wind farm includes three categories of parameters: power, electricity and control.
[0088] The present invention is a wind farm equivalent modeling method suitable for electromagnetic transient simulation, comprising the following steps:
[0089] 1) According to the generator parameters of the wind turbine, the controller parameters of the unit are calculated according to the formula (20-22), so that the unit operates stably and has good dynamic characteristics.
[0090] Table 1 stand-alone parameters
[0091]
[0092] Sampling and given delay are both taken as 0.0267ms, the action time constant of the converter is taken as 0.333ms, and an appropriate damping ratio is selected (in this paper, the current inner loop is taken as 3, and the power outer loop is taken as 5). According to the form...
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