NDLI: Multi-mode adaptive local reactive power control method based on PV inverters in low voltage distribution networks

Content Provider	IET Digital Library
Author	Cai, Yongxiang Tang, Wei Li, Li Zhang, Bo Zhang, Lu Wang, Yue
Abstract	Low voltage distribution networks with the high penetration of photovoltaic (PV) units are facing four types of challenges, including over-voltage issues, under-voltage issues, voltage fluctuation issues and high power losses. In order to mitigate the above issues, this study proposes a multi-mode adaptive local reactive power control method based on Q(P) characteristics. A new concept, node virtual injection active power (NVIP), is developed to take the PV active power, load active power and load reactive power as a whole and as the basis to regulate the PV reactive power. Then, an NVIP-based multi-mode local Q(P) framework is proposed to consider the four types of challenges based on four operation modes, respectively, that can be adaptively switched according to the NVIP value and the NVIP variation. In addition, a systematic parameter design for the Q(P) framework is proposed based on an optimisation model to further enhance the effectiveness of the proposed multi-mode control. The simulation results demonstrate the effectiveness of the proposed method in mitigating voltage violations and voltage fluctuations, and improving the power losses and power factor.
Starting Page	542
Ending Page	551
Page Count	10
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 4, Feb (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2018.6955
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-11-28
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Control of Electric Power System Distributed Power Generation Distribution Network High Power Loss Invertors Load Reactive Power Low Voltage Distribution Network Multimode Adaptive Local Reactive Power Control Method Multimode Control Node Virtual Injection Active Power Over-voltage Issues Photovoltaic Power System Photovoltaic Units Power And Energy Control Power Distribution Control Power Factor Power Generation Control Power System Control PV Active Power PV Inverter PV Reactive Power Reactive Power Control Solar Power Stations Under-voltage Issues Voltage Control Voltage Fluctuation Voltage Fluctuation Issues Voltage Violations
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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