Negative sequence cooperative compensation control method for photovoltaic and electrified railway
The invention discloses a photovoltaic and electrified railway negative sequence cooperative compensation control method, which specifically comprises the following steps of: acquiring electrical quantities of a common connection point, a photovoltaic station grid-connected inverse point and a tract...
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| creator | ZHANG SHUANGFAN YANG HAOYU LI DONGYANG CHEN MINWU DU LIANG GUO BIN ZHENG JIANGYONG CHEN YINYU REN YI LIAN TING ZHAO YONG LIU CHENGBO |
| description | The invention discloses a photovoltaic and electrified railway negative sequence cooperative compensation control method, which specifically comprises the following steps of: acquiring electrical quantities of a common connection point, a photovoltaic station grid-connected inverse point and a traction substation grid-connected point, and calculating a voltage unbalance degree through sequence component decomposition; establishing a negative sequence component analysis model of weak power grid-traction substation-photovoltaic station; based on a grid-connected guide rule of the photovoltaic station, the negative-sequence current emission capability of the photovoltaic station is calculated by taking a safe operation boundary of the photovoltaic station as a constraint; and by taking the national standard limit value at the common connection point as a constraint, calculating a negative sequence compensation quantity reference current instruction of the traction substation and the photovoltaic station branch a |
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establishing a negative sequence component analysis model of weak power grid-traction substation-photovoltaic station; based on a grid-connected guide rule of the photovoltaic station, the negative-sequence current emission capability of the photovoltaic station is calculated by taking a safe operation boundary of the photovoltaic station as a constraint; and by taking the national standard limit value at the common connection point as a constraint, calculating a negative sequence compensation quantity reference current instruction of the traction substation and the photovoltaic station branch 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 DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES ELECTRICITY GENERATION PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR |
| title | Negative sequence cooperative compensation control method for photovoltaic and electrified railway |
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