Load model of regional power grid with small hydroelectric generating set and modeling method
A modeling method and technology for regional power grids, which can be applied to electrical components, circuit devices, AC network circuits, etc., and can solve problems such as being unsuitable for power grid modeling.
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[0068] 1. Generalized comprehensive load improvement model
[0069] 1. Introduction to generalized comprehensive load improvement model
[0070] In areas rich in hydropower resources, the load composition of a 110kV node includes reactive power compensation equipment connected to the node, numerous motors, generators and other types of loads connected to the lower-level distribution network. In general, the load at this node can be represented by motors, generators and static ZIP loads. Such as figure 1 As shown, node i is connected with reactive power compensation Q ci , there are M sets of electric motors, N sets of small hydroelectric units, and K sets of static loads connected to the distribution network under the node. To do port equivalent for each load, the load node can be connected to the i node through the equivalent impedance, such as figure 2 shown. Then the motor, generator and static load are aggregated into an equivalent motor, an equivalent generator and ...
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