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A method and device for evaluating the reliability of air-conditioning load power supply

A technology for air conditioning load and reliability, used in data processing applications, forecasting, instruments, etc.

Active Publication Date: 2021-05-25
TSINGHUA UNIV +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is currently no application for this aspect of regulation. Therefore, the evaluation of the reliability of commercial air-conditioning load power supply considering demand response needs to be carried out in combination with detailed strategies to fully grasp the impact of operation control strategies on user energy consumption.

Method used

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  • A method and device for evaluating the reliability of air-conditioning load power supply
  • A method and device for evaluating the reliability of air-conditioning load power supply
  • A method and device for evaluating the reliability of air-conditioning load power supply

Examples

Experimental program
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specific Embodiment approach

[0080] The specific implementation steps are as follows:

[0081] Step 1. Calculate the power flow of the distribution system with multiple commercial air-conditioning loads, obtain the implementation scenarios of distribution network demand response (including but not limited to voltage and capacity violations), and obtain the commercial air-conditioning loads of each node from the power grid dispatching center The load tracking signal of demand response, the limit signal of load rebound and the time period of demand response [t DR,start ,t DR,end ]. The node refers to a load node in the power distribution system, which may be one air conditioner as one node, or multiple air conditioners may correspond to one node.

[0082] Step 2, as a typical curtailable load, the commercial air-conditioning load can adjust the load level by sacrificing the comfort of some users, and further define the reliability loss time of the air-conditioning load. Let the i-th room in the commercia...

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Abstract

The invention relates to a method and an evaluation device for evaluating the reliability of air-conditioning load power supply. In the method of the invention, after obtaining the demand response signal instruction, the load loss event of the air-conditioning user is first defined; Two-level control model of air-conditioning load. The first level of the model is to collaboratively optimize the operating status of the internal equipment of the air-conditioning system, while the second-level control sacrifices some user comfort to make full use of heat self-storage capacity and suppress load rebound; finally, combined with power The command signal of the system demand response is used to obtain the load change after the air conditioning load participates in the demand response. Then establish indicators specifically to describe the reliability of energy supply services, and calculate the reliability indicators. The present invention regards the needs of air conditioner users as flexible and adjustable loads, and proposes user-oriented and load-oriented reliability indicators, so as to measure the impact of demand response strategies on user energy consumption.

Description

technical field [0001] The invention relates to a reliability evaluation method and an evaluation device for an air-conditioning load power supply, belonging to the field of reliability evaluation of electric power systems. Background technique [0002] Demand response is an advanced load-side resource management technology that allows customers to participate in system operation scheduling control by changing their own power consumption when system reliability is at risk. Security and uncertainty also bring new opportunities and challenges to the power system. Among the abundant load-side resources, the air-conditioning load accounts for nearly 54% of the total power consumption of buildings. Due to the self-storage capacity of heat, the safety and reliability evaluation of the power system in which the air-conditioning load participates in demand response has received extensive attention and research. [0003] Flexible matching of power supply and demand is the main metho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q10/04G06Q50/06
CPCG06Q10/04G06Q10/06393G06Q50/06
Inventor 程林高效海万宇翔田鑫江轶王智东齐宁彭方正张艳
Owner TSINGHUA UNIV
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