Interphase electrical susceptance configuration method considering active power balancing of two phases
A technology of active power and configuration method, applied in the direction of reducing the asymmetry of the polyphase network, eliminating/reducing the asymmetry of the polyphase network, etc., can solve the problem of reducing the power of the distribution transformer, the asymmetry of the three-phase voltage, and increasing the imbalance of the distribution network. To achieve the effect of improving load bearing capacity, low equipment investment cost, and significant governance effect
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[0040] Example 1:
[0041] Set model parameters U A =220∠0°, U B =200∠-120°, U C =210∠120°, Z A =0.389+j0.241, Z B =1.166+j0.722, Z C=0.583+j0.361.
[0042] figure 1 Shown is the flow chart of the method for interphase susceptance configuration considering two-phase active power balance in this embodiment, including the following steps:
[0043] 1) Collect the three-phase active power data at each punctual time of the low-voltage side busbar of the distribution transformer every 1 hour for a month, and calculate the average value of the active power of each phase by dividing the active power data collected at each time;
[0044] 2) According to the average value of active power of each phase, determine whether the active power unbalance of the distribution transformer exceeds 25%, if so, select the two phases with the largest and smallest active power average as the configuration phase, if not, do not need to configure;
[0045] The judgment result of this example is t...
Example Embodiment
[0055] Example 2:
[0056] Set model parameters U A =220∠0°, U B =200∠-120°, U C =210∠120°, Z A =0.233+j0.144, Z B =0.291+j0.181, Z C =0.389+j0.241.
[0057] like figure 1 Shown is the flow chart of the method for interphase susceptance configuration considering two-phase active power balance in this embodiment, including the following steps:
[0058] 1) Collect the three-phase active power data at each punctual time of the low-voltage side busbar of the distribution transformer every 1 hour for a month, and calculate the average value of the active power of each phase by dividing the active power data collected at each time;
[0059] 2) According to the average value of active power of each phase, determine whether the active power unbalance of the distribution transformer exceeds 25%, if so, select the two phases with the largest and smallest active power average as the configuration phase, if not, do not need to configure;
[0060] The judgment result of this exampl...
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