A Distributed Power Planning Method for Improving Voltage Quality of Distribution Network
A distributed power supply and distribution network technology, applied in the direction of AC network voltage adjustment, electrical components, circuit devices, etc., can solve the problems of reducing voltage compensation equipment investment, reducing the cost of power grid construction and rural grid transformation, low voltage, etc., to achieve Improve voltage quality, save secondary investment, and be easy to operate
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Embodiment 1
[0066] as attached figure 1 As shown, a distributed power generation planning method to improve the voltage quality of the distribution network includes the following steps:
[0067] A. Collect the electricity consumption data of users in the planning area, and set the peak level of the electricity consumption data within the long-term planning period according to the current electricity consumption data;
[0068] B. Collect the parameters of the grid in the planning area, including grid connection topology, line impedance parameters, transmission limit power, and voltage level;
[0069] C. Set the maximum investable capacity of distributed power in the planning area, the unit of capacity is kW, set the upper and lower limits of voltage compensation in the planning area, and the unit of voltage is P.U.;
[0070] D. Using the objective function and constraints of formula (1'-6') to construct the calculation model of the optimal planning scheme of distributed power generation c...
Embodiment 2
[0073] by figure 2 The distribution network area shown is a specific implementation description, and distributed power supply is configured for 0-32 nodes in the area to improve the voltage level in the entire network. A distributed power planning method for improving the voltage quality of a distribution network, comprising the following steps:
[0074] I. Collect the electricity consumption data of users in the planning area, and set the peak level of the electricity consumption data within the long-term planning period according to the current electricity consumption data. The typical load characteristic curve collected by node 1 is as follows image 3 shown;
[0075] II. Collect the parameters of the grid in the planning area, including grid connection topology, line impedance parameters, transmission limit power, voltage level, line topology such as figure 2 As shown, the impedance parameters are shown in Table 1, the transmission power of the line in this area is 550...
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