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A temperature-controlled load cluster control method

A temperature-controlled load and cluster control technology, applied in heating and ventilation control systems, control inputs related to air characteristics, space heating and ventilation control inputs, etc., can solve problems such as frequent start-up and stop of equipment, and damage to equipment life

Active Publication Date: 2022-07-12
HUAZHONG UNIV OF SCI & TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a temperature-controlled load cluster control method, which is used to solve the technical problem that the existing temperature-controlled load cluster control method causes frequent startup and shutdown of equipment, resulting in damage to the life of the equipment

Method used

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  • A temperature-controlled load cluster control method
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  • A temperature-controlled load cluster control method

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Experimental program
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Effect test

Embodiment 1

[0045] A temperature control load cluster control method 100, such as figure 1 shown, including:

[0046] S110. Select a temperature control load within a controllable temperature range from a temperature control load cluster located in the microgrid, and form a controllable opening group and a controllable closing group, so as to participate in the stabilization of renewable energy power fluctuations;

[0047] S120. When the cluster power needs to be increased in order to meet the power balance of the microgrid, according to the temperature control load sequence of the current ambient temperature from low to high, turn on some of the temperature control loads in the controllable shutdown group, and at the same time increase the temperature setting Fixed value; when it is necessary to reduce the cluster power, according to the temperature control load sequence of the current ambient temperature from high to low, turn off some of the temperature control loads in the controllabl...

Embodiment 2

[0083] A microgrid frequency control method, comprising:

[0084] After using the temperature-controlled load cluster control method described in the first embodiment to control the temperature-controlled load cluster in the microgrid, the frequency of the microgrid is controlled to the rated frequency by the frequency-assisted control method, and the frequency-assisted control is expressed as:

[0085]

[0086] In the formula, k P with k I are proportional constants and integral constants, respectively, s is a complex variable, f is the actual frequency of the microgrid, f N is the rated frequency of the microgrid, ΔP * Indicates the cluster power adjustment amount.

[0087] The improved droop control in the first embodiment above can balance power fluctuations in real time and keep the system frequency within a certain range, but after the control is over, there is still a deviation between the grid frequency and the rated frequency, which is not conducive to the stabl...

Embodiment 3

[0105] A computer-readable storage medium, the computer-readable storage medium comprising a stored computer program, wherein when the computer program is run by a processor, a device where the storage medium is located is controlled to perform the above-mentioned temperature control load Cluster control method. The related technical solutions are the same as those in the first embodiment, and are not repeated here.

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Abstract

The invention belongs to the field of temperature-controlled load cluster control, and in particular relates to a temperature-controlled load cluster control method, comprising: selecting a temperature-controlled load cluster under a controllable temperature range from temperature-controlled load clusters located in a microgrid to form a controllable temperature-controlled load Turn on groups and controllable shutdown groups to participate in the stabilization of renewable energy power fluctuations; when it is necessary to meet the power balance of the microgrid and increase the cluster power, according to the temperature control load sequence of the current ambient temperature from low to high, turn off the controllable turn-on Part of the temperature control load in the cluster, and at the same time increase its temperature setting value; when the cluster power needs to be reduced, according to the current temperature control load sequence from high to low, turn on and off part of the temperature control load in the cluster. At the same time, reduce its temperature setting value, and the number of temperature-controlled loads to be turned on and off is determined by the target power of the cluster. The invention realizes the orderly start and stop of each load in the group, reduces the number of times of starting and stopping the air conditioner while meeting the user's comfort requirement, and reduces the influence on the service life of the air conditioner.

Description

technical field [0001] The invention belongs to the field of temperature control load cluster control, and more particularly relates to a temperature control load cluster control method. Background technique [0002] Microgrid has the characteristics of energy saving, consumption reduction, flexible operation and high reliability of power supply, and has been a hot research topic in the field of new energy in recent years. However, the fluctuation and intermittency of the output of distributed generation (DG) such as wind power and photovoltaics in the microgrid have a serious impact on the stability of the power grid and the power quality. At present, the power fluctuation of distributed power generation is mainly stabilized by installing energy storage equipment. However, the construction and operation of energy storage equipment is expensive and has no economic advantage. In recent years, the rapid development of Advanced Metering Infrastructure (AMI) and intelligent ene...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/24H02J3/14H02J3/38F24F11/64F24F11/88F24F11/89F24F110/10
CPCH02J3/241H02J3/14H02J3/381F24F11/64F24F11/88F24F11/89H02J2203/20F24F2110/10Y02B70/30Y04S20/244
Inventor 刘志伟梁志峰李淼苗世洪杨炜晨张世旭汪鹏周鲲鹏曹侃叶畅王友怀胡晓峰伊华茂吴炼孙凌
Owner HUAZHONG UNIV OF SCI & TECH
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