Research on a Micro-Grid Frequency Modulation Strategy Based on Optimal Utilization of Air Conditioners

With the proportion of air conditioners increasing gradually, they can provide a certain amount of frequency-controlled reserves for a micro-grid. Optimizing utilization of air conditioners and considering load response characteristics and customer comfort, the frequency adjustment model is a quadra...

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Main Authors: Qingzhu Wan, Yuan Bian, Yalan Chen
Format: Article
Language:English
Published: MDPI AG 2016-12-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/9/12/1085
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author Qingzhu Wan
Yuan Bian
Yalan Chen
author_facet Qingzhu Wan
Yuan Bian
Yalan Chen
author_sort Qingzhu Wan
collection DOAJ
description With the proportion of air conditioners increasing gradually, they can provide a certain amount of frequency-controlled reserves for a micro-grid. Optimizing utilization of air conditioners and considering load response characteristics and customer comfort, the frequency adjustment model is a quadratic function model between the trigger temperature of the air conditioner compressor, and frequency variation is provided, which can be used to regulate the trigger temperature of the air conditioner when the micro-grid frequency rises and falls. This frequency adjustment model combines a primary frequency modulation method and a secondary frequency modulation method of the energy storage system, in order to optimize the frequency of a micro-grid. The simulation results show that the frequency modulation strategy for air conditioners can effectively improve the frequency modulation ability of air conditioners and frequency modulation effects of a micro-grid in coordination with an energy storage system.
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spelling doaj.art-44934bd7eedf40d1b2ffaeba7a6b3fe52022-12-22T04:23:14ZengMDPI AGEnergies1996-10732016-12-01912108510.3390/en9121085en9121085Research on a Micro-Grid Frequency Modulation Strategy Based on Optimal Utilization of Air ConditionersQingzhu Wan0Yuan Bian1Yalan Chen2Collaborative Innovation Center of Key Power Energy-Saving Technologies in Beijing, North China University of Technology, Beijing 100144, ChinaCollaborative Innovation Center of Key Power Energy-Saving Technologies in Beijing, North China University of Technology, Beijing 100144, ChinaCollaborative Innovation Center of Key Power Energy-Saving Technologies in Beijing, North China University of Technology, Beijing 100144, ChinaWith the proportion of air conditioners increasing gradually, they can provide a certain amount of frequency-controlled reserves for a micro-grid. Optimizing utilization of air conditioners and considering load response characteristics and customer comfort, the frequency adjustment model is a quadratic function model between the trigger temperature of the air conditioner compressor, and frequency variation is provided, which can be used to regulate the trigger temperature of the air conditioner when the micro-grid frequency rises and falls. This frequency adjustment model combines a primary frequency modulation method and a secondary frequency modulation method of the energy storage system, in order to optimize the frequency of a micro-grid. The simulation results show that the frequency modulation strategy for air conditioners can effectively improve the frequency modulation ability of air conditioners and frequency modulation effects of a micro-grid in coordination with an energy storage system.http://www.mdpi.com/1996-1073/9/12/1085micro-gridfrequency controlthermostatically controlled loadsenergy storage system
spellingShingle Qingzhu Wan
Yuan Bian
Yalan Chen
Research on a Micro-Grid Frequency Modulation Strategy Based on Optimal Utilization of Air Conditioners
Energies
micro-grid
frequency control
thermostatically controlled loads
energy storage system
title Research on a Micro-Grid Frequency Modulation Strategy Based on Optimal Utilization of Air Conditioners
title_full Research on a Micro-Grid Frequency Modulation Strategy Based on Optimal Utilization of Air Conditioners
title_fullStr Research on a Micro-Grid Frequency Modulation Strategy Based on Optimal Utilization of Air Conditioners
title_full_unstemmed Research on a Micro-Grid Frequency Modulation Strategy Based on Optimal Utilization of Air Conditioners
title_short Research on a Micro-Grid Frequency Modulation Strategy Based on Optimal Utilization of Air Conditioners
title_sort research on a micro grid frequency modulation strategy based on optimal utilization of air conditioners
topic micro-grid
frequency control
thermostatically controlled loads
energy storage system
url http://www.mdpi.com/1996-1073/9/12/1085
work_keys_str_mv AT qingzhuwan researchonamicrogridfrequencymodulationstrategybasedonoptimalutilizationofairconditioners
AT yuanbian researchonamicrogridfrequencymodulationstrategybasedonoptimalutilizationofairconditioners
AT yalanchen researchonamicrogridfrequencymodulationstrategybasedonoptimalutilizationofairconditioners