Active power distribution network rapid reconstruction method based on linear power flow equation and improved firework algorithm
A technology of active distribution network and power flow equation, applied in the direction of CAD based on constraints, AC network circuits, and AC networks with the same frequency from different sources, etc., can solve the problems of poor versatility and low calculation efficiency, and achieve faster The effects of convergence speed, high calculation accuracy, and small amount of calculation
Active Publication Date: 2020-11-13
CHINA THREE GORGES UNIV
View PDF9 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0006] For the existing active distribution network reconstruction model, there are problems of low calculation efficiency and low versatility
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0023] A fast reconfiguration method for active distribution network based on linear power flow equation and improved fireworks algorithm,
[0024] Step 1: Combined with the typical characteristics of the active distribution network, quantitatively analyze the simplified conditions applicable to the active distribution network;
[0025] Step 2: On the basis of considering the distributed power supply model and the ZIP load model, according to the simplified conditions of the active distribution network, the Taylor series expansion of the power flow equation and the decoupling of the voltage amplitude and phase angle are performed to obtain a set of linear power flow equations;
[0026] Step 3: In order to improve the convergence speed of the fireworks algorithm, the fireworks algorithm is improved according to the characteristics of active distribution network reconstruction;
[0027] Step 4: Establish the comprehensive objective function of the active distribution network and...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
An active power distribution network rapid reconstruction method based on a linear power flow equation and an improved firework algorithm comprises the steps: quantitatively analyzing simplification conditions suitable for a power distribution network in combination with typical characteristics of the power distribution network; on the basis of considering a distributed power supply and a ZIP loadmodel, performing linearization processing on the nonlinear high-dimensional power flow equation according to the simplification condition of the power distribution network to obtain a group of linear power flow equations; in order to improve the convergence rate of the firework algorithm, improving the firework algorithm according to the reconstruction characteristics of the power distribution network; establishing a comprehensive objective function of the power distribution network, and constructing an active power distribution network reconstruction model; and solving the active power distribution network reconstruction model in combination with a linear power flow equation and an improved firework algorithm. According to the active power distribution network rapid reconstruction method based on the linear power flow equation and the improved firework algorithm, compared with a traditional active power distribution network reconstruction model, the method has high calculation efficiency and universality.
Description
technical field [0001] The invention relates to the technical field of active distribution network reconfiguration, in particular to a fast reconfiguration method of an active distribution network based on a linear power flow equation and an improved fireworks algorithm. Background technique [0002] In recent years, as problems such as energy shortage and environmental pollution have become more and more serious, distributed power generation, as a new energy utilization method, has attracted more and more attention. Compared with the large power grid with centralized power supply, its unique environmental protection, economy and high energy conversion rate have become important measures for energy structure adjustment, and will be an important direction for the future development of power distribution systems. The access of distributed generation (Distribution Generation, DG) to the distribution network will have an impact on the power supply reliability of the distribution...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/06H02J3/38H02J3/46G06F30/18G06F30/20G06F111/04G06F113/04
CPCH02J3/00H02J3/06H02J3/381H02J3/466G06F30/20G06F30/18H02J2203/10H02J2203/20G06F2111/04G06F2113/04Y04S10/50
Inventor 徐艳春罗凯汪平
Owner CHINA THREE GORGES UNIV