Transient-state power angle stabile control method for regional interconnected power grids with controllable inertial wind power
A technology of transient power angle stability and regional interconnection, applied in wind power generation, electrical components, circuit devices, etc., can solve the problems of violent swing of generator group power angle, severe safe and stable operation of power system, and changing the transient stability level of power grid. , to achieve the effect of improving stability and improving transient power angle stability
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[0029] Such as figure 1 As shown, a transient power angle stabilization control method for a regional interconnected grid with controllable inertial wind power includes the following steps:
[0030] Step a: judging whether the power angle of the regional interconnected grid with controllable inertial wind power is oscillating, if yes, turn to step b; if not, turn to step a;
[0031] Step b: Set the power setting interval to Set the inertia setting range to
[0032] In the formula, P Smt ,P Rmt Respectively, the generator set G on the transmission side S , Generator set G on the receiving side R equivalent active power output; H Svir is the virtual moment of inertia of the wind turbine on the transmission side, satisfying 0≤H Svir ≤H Svir_max ;H Rvir is the virtual moment of inertia of the wind turbine on the receiving side, satisfying 0≤H Rvir ≤H Rvir_max ;H St =H S +H Svir , is the equivalent inertial time constant of the generator at the sending end, satisfy...
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