Calculation Method for Capacitor Parallel Compensation in Distribution Network Based on Local Tree
A calculation method and technology of distribution network, applied in reactive power compensation, reactive power adjustment/elimination/compensation, sustainable manufacturing/processing, etc., can solve the problem of poor handling of particle swarm algorithm discretization, easy to fall into local Optimal solutions, difficult to achieve compensation effects and other issues, to achieve the effect of increasing theoretical line loss, reducing economic benefits, and increasing investment funds
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Embodiment 1
[0033] see figure 1 , showing a flow chart of a calculation method for parallel compensation of distribution network capacitors based on local trees according to a specific embodiment of the present invention:
[0034] Step S1. Obtain the distribution network information step: obtain the measurement data of each distribution variable in the distribution network, that is, obtain the maximum active and reactive loads of the load year, obtain the topology data table and topology relationship table of the equipment and components in the actual distribution network operation, and obtain Relevant information about reactive power compensation of distribution network;
[0035] Preferably, the reactive power compensation related information of the distribution network includes the compensation period, electricity price, discount rate, and obtains the capacity and price of a single set of capacitors to be compensated;
[0036] Step S2. Calculation steps of the initial compensation sche...
Embodiment 2
[0048] see figure 2 , shows an 11-node distribution network, and its reactive power compensation calculation steps are as follows:
[0049] Step S1: The obtained distribution network information is shown in the following table:
[0050]
[0051] Table 1, distribution network information
[0052] The reactive power compensation information is shown in the following table:
[0053] Types of
electricity price
discount rate
Operating life
Single group capacity
single price
value
0.82
0.01
5
25kvar
25,000 yuan
[0054] Table 2. Reactive Power Compensation Information
[0055] Step S2: The whole distribution network is considered as a local tree, and the benefit-investment ratio is used as the objective function, and the benefit-investment ratio of each node as the point to be compensated is calculated by using the step-by-step increase method. After comparing the benefit-investment ratios of each node, it is obtained ...
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