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An Aggregate Modeling Method for Air Conditioning Load

A modeling method and air-conditioning load technology, which is applied in the direction of instruments, calculations, electrical digital data processing, etc., can solve the problem of low precision and achieve the effect of improving precision

Active Publication Date: 2018-12-28
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Purpose of the invention: In order to overcome the defect of low accuracy of the existing air-conditioning load aggregation modeling in application scenarios with long scheduling periods, the present invention provides an aggregation modeling method for air-conditioning loads, which can improve the aggregation model in multi-time scale scheduling scenarios. High precision, providing a variety of high-quality auxiliary services for the system

Method used

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  • An Aggregate Modeling Method for Air Conditioning Load
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Embodiment Construction

[0114] The present invention will be further explained below in conjunction with the drawings.

[0115] Such as Figure 1 to Figure 5 Shown is an aggregate modeling method of air conditioning load, and each step is described in detail below.

[0116] Step 1: Establish a basic model of a single air conditioner.

[0117] The basic model of a single air conditioner is:

[0118]

[0119] Where: T out Is the outdoor temperature, T in Is the room temperature, C a Is the equivalent heat capacity of the air conditioner, R is the equivalent impedance of the air conditioner, Q is the cooling capacity of the air conditioner, Q'is the heat dissipation of indoor objects, and t is the time; S(t) is the on / off state of the air conditioner at time t, S (t) = 0 means that the air conditioner is OFF, S(t) = 1 means that the air conditioner is ON;

[0120] The air conditioner starts repeatedly in two states: when the indoor temperature is T in Over T max When the air conditioner runs at the rated po...

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Abstract

The invention discloses an aggregation modeling method for air conditioner load. The method comprises the steps of (1), establishing a base model of a single air conditioner; (2), dividing an indoor set temperature dead zone into a plurality of continuous temperature intervals by taking the on-off state of the air conditioners into consideration, wherein the temperature difference of each temperature interval is the same, and establishing a base aggregation model of an air conditioner cluster; (3), carrying out precision analysis on the base aggregation model and finding an error source of the base aggregation model; and (4), recalculating parameters in the base aggregation model based on the error source, establishing an optimized aggregation model of the air conditioner cluster by taking the operation condition of the air conditioner cluster in a dispatching cycle into full consideration, and improving the precision of the air conditioner cluster in a plurality of dispatching time scales. According to the method provided by the invention, the massive air conditioner load is uniformly dispatched and controlled, and the convenience is provided for related departments.

Description

Technical field [0001] The invention relates to an aggregate modeling method of air conditioning load. Background technique [0002] At present, promoting the development of renewable energy, improving energy efficiency, and achieving energy conservation and emission reduction have become a consensus in various energy fields. In 2014, the national new installed capacity of wind power was 19.81 million kilowatts, and the total installed capacity of wind power reached 95.81 million kilowatts, ranking first in the world. The new grid-connected solar power generation capacity was 8.17 million kilowatts, and the total installed capacity was 26.52 million kilowatts. The large-scale integration of intermittent new energy sources such as wind power and solar power into the power grid greatly increases the uncertainty of the power flow, poses a huge threat to the security and stability of the system, and puts forward higher requirements for the automatic regulation capability of the power...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
CPCG16Z99/00
Inventor 宋梦高赐威
Owner SOUTHEAST UNIV
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