Wind farm steady-state analysis

In this chapter, the transient and dynamic characteristics of a wind farm composed of many wind-turbine generators are described first. The model circuit of the wind farm, steady-state analysis, and transient calculations are described. 

Voltage fluctuation caused by the charging current of cables is an important factor for the design of a wind farm. The voltage fluctuation can be simulated by steady-state analysis. In the analysis, the cable can be approximately expressed by a lumped parameter equivalent circuit. Since the steady-state behavior of a three-phase circuit is determined by its positive sequence component, the wind farm can be expressed by a single-phase circuit. 

Numerical simulations of a wind farm using the EMTP are explained in this chapter. Vbltage increase due to the charging current of the cables is easily obtained by the EMTP s steady-state analysis routine. The load-flow calculation option of the EMTP called FIX SOURCE enables an estimation of the steady-state behavior of the wind farm, which has plural generators. These techniques are applicable to a simulation of conventional grids. 

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See also in sourсe #XX -- [ , , , , , , , , ]

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