NDLI: Research on dynamic control of low-voltage distribution network with high penetration of electric heat pumps based on μPMU measurements and data-driven approach

Content Provider	IET Digital Library
Author	Yu, Kun Guo, Wenxin Chen, Xingying Shi, Di Wang, Jixiang Gan, Lei
Abstract	Electric heat pump (EHP) is a kind of high-power load, which causes power impact and voltage sag during its start-up process. With the increasing penetration of EHP loads, serious low-voltage and overload problems occur in the low-voltage distribution network, resulting in malfunction of voltage-sensitive load. This study analyses the start-up characteristics of the EHP and proposes a data-driven approach for identifying the starting state and model of EHP based on high-frequency micro-phasor measurement unit (μPMU) measurements. The state criterion based on the starting model can be used to quickly determine whether there is a starting impact at the present time. The identification method based on superposition fitting can be used to identify the number of EHPs that cause a start-up impact. Then, a dynamic control algorithm is proposed to solve the problem of low voltage and voltage sag of EHP loads. Simulation results show that the proposed quadratic model can better reflect the starting characteristics of the EHP, and the proposed dynamic control method of EHP based on data-driven approach can identify the state of EHP using µPMU measurement accurately in a very fast manner, effectively avoiding the overshoot of EHP start-up impact.
Starting Page	4426
Ending Page	4434
Page Count	9
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 20, Oct (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/20
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2020.0864
Journal	IET Generation, Transmission & Distribution
Publisher Date	2020-07-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Control of Electric Power System Data-driven Approach Distribution Network Dynamic Control Method EHP Loads EHP Start-up Impact Electric Heat Pump Harmonics Heat Pumps High-frequency Microphasor Measurement Unit Measurement High-power Load Low-voltage Distribution Network Overload Problem Phasor Measurement Power Distribution Control Power Grid Power Impact Power Supply Quality Power System Measurement And Metering Serious Low-voltage Start-up Characteristic Starting Characteristic Starting Model Voltage Sag Voltage-sensitive Load ΜPMU Measurement
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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