Electromechanical transient simulation method and system for direct current capacitor of wind turbine generator
The invention discloses an electromechanical transient simulation method and system for a direct-current capacitor of a wind turbine generator, and belongs to the technical field of electromechanical transient simulation of a power system. The method comprises the following steps: correcting a capac...
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| creator | LIANG BEIHUA WU GUOYANG SONG XINLI LEE JANG-WOO LI DONGSHENG WANG YI MU SHIXIA YANG ZEDONG SU ZHIDA LI XIA LU WENQING YI SHUXIAN XIAO XIONG DAI HANYANG WANG HONGFU CAO TIANZHI HAO SHAOHANG XIE HUAN |
| description | The invention discloses an electromechanical transient simulation method and system for a direct-current capacitor of a wind turbine generator, and belongs to the technical field of electromechanical transient simulation of a power system. The method comprises the following steps: correcting a capacitance basic value to obtain a corrected capacitance basic value; judging whether the wind turbine generator enters a high-voltage ride-through state or a low-voltage ride-through state; based on a preset correction principle and the direct-current voltage switching constant value, correcting the capacitance value to obtain a corrected capacitance value; and performing the electromechanical transient simulation through the determined capacitance value. Compared with the condition that the direct current capacitance is not considered, the method is closer to the actual equipment characteristics, the Chopper switching process and the direct current voltage dynamic process can be simulated, and the power value after a |
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The method comprises the following steps: correcting a capacitance basic value to obtain a corrected capacitance basic value; judging whether the wind turbine generator enters a high-voltage ride-through state or a low-voltage ride-through state; based on a preset correction principle and the direct-current voltage switching constant value, correcting the capacitance value to obtain a corrected capacitance value; and performing the electromechanical transient simulation through the determined capacitance value. 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The method comprises the following steps: correcting a capacitance basic value to obtain a corrected capacitance basic value; judging whether the wind turbine generator enters a high-voltage ride-through state or a low-voltage ride-through state; based on a preset correction principle and the direct-current voltage switching constant value, correcting the capacitance value to obtain a corrected capacitance value; and performing the electromechanical transient simulation through the determined capacitance value. Compared with the condition that the direct current capacitance is not considered, the method is closer to the actual equipment characteristics, the Chopper switching process and the direct current voltage dynamic process can be simulated, and the power value after a</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMPUTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATION PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY |
| title | Electromechanical transient simulation method and system for direct current capacitor of wind turbine generator |
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