NDLI: Heuristic probabilistic power flow algorithm for microgrids operation and planning

Content Provider	IET Digital Library
Author	Nikmehr, Nima Ravadanegh, Sajad Najafi
Abstract	One of the basic components of future distribution networks is renewable energy resources (RER). The uncertainty in power production of renewable resources such as wind and solar as well as load is another characteristic of such networks. Conventional power flow methods may not be suitable for active distribution networks such as microgrids. In this study, a heuristic load flow method considering the effects of intermittent behaviour of RERs and load is modelled in probabilistic load flow (PLF) algorithm. The method is suitable for both radial and weakly meshed distribution networks with RER for operation and planning of microgrids. Imperialist competitive algorithm (ICA) as heuristic-based optimisation algorithm is applied to solve the PLF. Based on PLF technique, calculated parameters of the system such as bus voltages and feeders’ current are extracted as random variables. A modified version of IEEE 33-bus test system with RER is used to evaluate efficiency and capability of the algorithm. Results are compared with Monte Carlo simulation method. The probability density function and cumulative distribution function (CDF) of some network variable are compared. Based on the results, the presented approach can solve the PLF problem regardless of the type of distribution network.
Starting Page	985
Ending Page	995
Page Count	11
ISSN	17518687
Volume Number	9
e-ISSN	17518695
Issue Number	Issue 11, Aug (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/9/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2014.0570
Journal	IET Generation, Transmission & Distribution
Publisher Date	2015-06-03
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bus Voltage Cumulative Distribution Function Distributed Power Generation Distribution Network Future Active Distribution Network Heuristic Load Flow Method Heuristic Probabilistic Power Flow Algorithm Heuristic-based Optimisation Algorithm IEEE 33-bus Test System Load Flow Microgrid Operation Microgrid Planning Monte Carlo Simulation Method Optimisation Optimisation Technique PLF Algorithm Power Distribution Planning Power Distribution Reliability Power Flow Method Power Generation Planning Power System Planning And Layout Probabilistic Load Flow Algorithm Probability Density Function Reliability Renewable Energy Resource RER Power Production Uncertainty Statistical Distribution Statistics
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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