Power configuration planning method and system thereof

A technology for power configuration and planning, applied in the fields of resources, electrical digital data processing, instruments, etc., can solve the problems of frequent voltage sags, great harm, social and economic losses, etc.

Active Publication Date: 2018-12-11
DEZHOU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Voltage sag will cause some sensitive loads such as precision manufacturing plants, computers, medical equipment, etc. to fail to work normally, causing huge social and economic losses, and even threatening human life safety
Voltage sags occur frequently and are very harmful

Method used

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  • Power configuration planning method and system thereof
  • Power configuration planning method and system thereof
  • Power configuration planning method and system thereof

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Embodiment Construction

[0146] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to protection domain of the present invention.

[0147] The invention provides a power configuration planning method, which includes the following steps: step 1: forming a mathematical model of an inverter-type distributed power supply when voltage sag occurs; step 2: according to the user's power quality requirements, objective function and inverter The mathematical model of the inverter-type distributed power supply when the voltage sag occurs, and the mathematical model of the inverter-type distributed power supply when the voltage sag occurs and the j...

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Abstract

The invention provides a power source configuration planning method and a system thereof. The distributed power source configuration planning method considers the influence of the access of the distributed power source on the voltage sag, studies the fault characteristics of the distributed power source under the fault state, and builds a mathematical model of the inverter-type distributed power source when the voltage sag occurs; considering the power quality requirements of sensitive users, installs STATCOM and other equipment in the distribution network to meet the different power quality requirements of different sensitive users. In order to ensure the economy of the plan and the satisfaction of the users, the investment and construction cost, operation and maintenance cost, STATCOM construction and maintenance cost, user satisfaction and other factors are considered comprehensively, and the reasonable configuration of the distributed generation is carried out, and the optimal planis obtained.

Description

technical field [0001] The invention belongs to the field of distributed power supply configuration planning, and in particular relates to a power supply configuration planning method and system thereof, in particular to a distributed power supply configuration planning method and system thereof taking into account user satisfaction. Background technique [0002] Due to the inherent decentralization and randomness of output, distributed power is generally connected to the distribution network for operation. At present, the access capacity is relatively small, and the impact on the distribution network is limited, but in the future, with the maturity of distributed power generation technology, the cost of distributed power generation will decrease day by day, and the penetration rate of distributed power generation in the distribution network will continue to increase. It will affect the node voltage, line flow, short-circuit current, reliability, etc. of the distribution net...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06G06F17/50
CPCG06Q10/06315G06Q50/06G06F30/20
Inventor孙海涛何奇琳赵海兵田怀源高文浩葛杨李晓博李亦农李冰栗君艾芊
OwnerDEZHOU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER