Method and system for analyzing grid-connected node frequency of each generator in wind-water combined system
The invention discloses an analysis method and system for grid-connected node frequency of each generator in a wind-water combined system, and the method comprises the steps: classifying nodes in the wind-water combined system containing wind, water and load, and solving a system susceptance matrix...
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| creator | FENG HAIYANG DENG HAN HUANG KEHAO LI DAFENG MU RUNZHI YUE QING WU SHUIJUN ZHOU ZICHAO YANG XINGXIONG ZHU BO |
| description | The invention discloses an analysis method and system for grid-connected node frequency of each generator in a wind-water combined system, and the method comprises the steps: classifying nodes in the wind-water combined system containing wind, water and load, and solving a system susceptance matrix according to the classified nodes; according to the water turbine governor control model and the doubly-fed fan frequency control model, simplified transfer functions of the water turbine and the doubly-fed fan in the complex frequency domain are written respectively; and according to the susceptance matrix of the system, the simplified transfer functions of the water turbine and the double-fed fan in the complex frequency domain, and the rotational inertia of the water turbine, obtaining the frequency response of each generator grid-connected node in the wind-water combined system. Carrying out linearization processing on the network power flow equation based on a direct current power flow method only according to |
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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 HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SYSTEMS FOR STORING ELECTRIC ENERGY |
| title | Method and system for analyzing grid-connected node frequency of each generator in wind-water combined system |
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