NDLI: Techno-economic potential gains of electric springs in distribution networks operations

Content Provider	IET Digital Library
Author	Askarpour, Mohammad Aghaei, Jamshid Boudjadar, Jalil Niknam, Taher
Abstract	The electric spring (ES) is a reactive compensator which is series with a noncritical load. This paper utilizes the ES in the distribution networks and examines the underlying performance operationally and economically. A virtual generator model for the electric spring is proposed to ease the study of power systems. An algorithm based on the backward/forward sweep method is proposed for solving the optimal power flow. Then, with a 24-hour real price and load data of ISO-NE market, the performance of ES is evaluated operationally and economically in two distribution systems. The ESs may exchange reactive power between each other and this raises active and reactive power losses. To cope this problem, the feeders' voltages of the middle load demand are set as the reference voltages of ESs in each feeder so, each ES has a different reference voltage to cease the ES power exchanges. In this work, indexes such as voltage profile, active power loss, reactive power loss, power factor, electric bill payment, net present value, internal rate of return and the payback year are measured. The results of case study confirm the ES improves power loss, voltage profile, power factor, and stability while it reduces the operation cost.
Starting Page	98
Ending Page	107
Page Count	10
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 1, Jan (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.0440
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-11-11
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Power Loss Busbar Voltage Busbars Control of Electric Power System Critical Load Voltage Different Reference Voltage Distributed Power Generation Distribution Network Distribution Network Operations Electric Spring ES Power Exchanges Examines Feeder IEEE 33-bus Distribution Test Feeder Load Data Load Flow Middle Load Demand Noncritical Load Optimal Power Flow Optimisation Technique Original Load Power Factor Correction Power Flow Algorithm Power Loss Reduction Power Market Power System Power System Economics Power System Managemen Power System Operation Pricing Reactive Power Reactive Power Loss Reference Voltage Techno-economic Potential Gain Virtual Generator Model Voltage Profile Improvement
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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