Operation control method and system for wind-driven generator unit in grid voltage out-of-limit range
A wind turbine and grid voltage technology, which is applied in the field of operation control methods and systems for wind turbines in the grid voltage out-of-limit range, can solve the problems of small grid capacity, reduced availability of distributed wind turbines, long distances, etc. The effect of off-grid, improved utilization and power generation efficiency
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[0033] The present invention will be further described below in conjunction with the drawings and specific embodiments of the specification.
[0034] Such as figure 1 As shown, the operation control method of the wind turbine generator in the grid voltage over-limit interval of the present invention specifically includes the following steps:
[0035] S01. Detect the grid-connected voltage of the wind turbine in real time during the operation of the wind turbine;
[0036] S02. When the grid-connected voltage of the wind turbine is not within the preset threshold, the wind turbine is controlled to output reactive power to the grid-connected point to ensure that the terminal voltage of the wind turbine is within the normal range without going off the grid.
[0037] The operation control method of the wind turbine generator in the grid voltage over-limit interval of the present invention detects the grid-connected voltage (or grid voltage or stator voltage or wind turbine terminal voltage...
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