Assessment of Dynamic Economic and Emission Dispatch Problem using WOA in Networked Grids with Photovoltaic Power Inject
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ORIGINAL ARTICLE
Assessment of Dynamic Economic and Emission Dispatch Problem using WOA in Networked Grids with Photovoltaic Power Injection Samita Padhi1 · Bibhu Prasad Panigrahi1 · Debaprasad Dash2 Received: 13 April 2020 / Accepted: 22 August 2020 © Indian National Academy of Engineering 2020
Abstract Since decades, the main aim for the researchers is to get reliable and inexpensive electricity out of available resources. Till now, different economic dispatch methods have been developed to meet the challenges of continuous and sustainable electricity production at optimized cost. Due to the increase of public awareness on environmental protection, the utilities have forced to use renewable energy sources to modify the operation strategies to reduce the pollution and atmospheric emissions produced due to power plants. This paper represents the allocation of dynamic economic emission dispatch (DEED) problem involving thermal and photovoltaic (PV) generation system as hybrid dynamic economic emission dispatch (HDEED) to meet the minimization of both the cost of fuel and emission simultaneously. Whale optimization algorithm (WOA) is used to minimize the total cost of operation and emission levels while dispatching power to committed generation units considering all operational constraints. To show the efficiency, the proposed technique is applied to solve the dynamic economic emission dispatch problem on 5- and 10-unit test systems. The technique is also used to solve the HDEED problem on IEEE 30-bus 6-unit and IEEE 57-bus 7-unit test system with and without renewable generation. The results obtained after injection of photovoltaic power into existing power systems show the effectiveness of the proposed techniques to reduce the cost of operation and emission levels. Keywords Dynamic economic emission dispatch · Whale optimization · PV power · Hourly generation
Introduction In power system, the problem associated with dynamic economic emission dispatch is a multi-objective optimization issue which reduces cost of the fuel as well as level of emission while dispatching the power to the committed units taking different constraints of power system. To increase the practicality of the economic dispatch problem, it was extended to a dynamic horizon of demand loads over 1 day of 24 h span (Basu 2008). Therefore, for increasing in public awareness to protect the environment, it has been forced for operational policies to minimize the emission produced due to the harmful gasses from fossil fuel-type thermal generators (Basu 2008). Therefore, it is required to extend the problem to DEED. The development is associated with * Samita Padhi [email protected] 1
Indira Gandhi Institute of Technology, Sarang, India
Government College of Engineering, Kalahandi, India
2
renewable energy technology which increases rapidly incorporating the penetration of renewable source, i.e., photovoltaic (PV) power to reduce harmful emissions. Like the thermal generators used conventionally, the renewable energy also possesses
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