Forced oscillation disturbance source identification and splitting method based on oscillation starting characteristic
A technology of forced oscillation and disturbance source, which is applied in the field of disturbance source decoupling, can solve the problems of power loss, large unbalanced power supply and demand, etc., achieve the effect of suppressing oscillation, overcoming large criterion errors, and ensuring stable operation
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[0036] The present invention will be described in further detail below with reference to the accompanying drawings and examples.
[0037] figure 1 Step 1-1 in the above describes that when the system has a forced power oscillation, the energy function method is used to calculate the potential energy flow direction of the PMU monitoring line. If there is a node where the potential energy flow of all the connecting lines can only enter and exit, this node will be used as a disturbance source, that is, the area where the disturbance source is located only contains this node, go to step 2-1; otherwise, go to step 1-2.
[0038]figure 1 Step 1-2 in the description is to delete potential energy inflow nodes and perform topology analysis to determine the node set with no connection relationship formed thereby; if the set is unique, use this node set as the area where the disturbance source is located, and go to step 2-1; otherwise , take each set of unconnected nodes as the area wher...
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