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access icon openaccess Coordinated control and power management of diesel-PV-battery in hybrid stand-alone microgrid system

This is an open access article published by the IET under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Received 29/10/2018, Accepted 10/01/2019, Published 15/03/2019

Coordinated control and power management of distributed energy resources, such as diesel generators (DGs), photovoltaics (PVs) and battery energy storage systems (BESSs), is vital for secure, reliable and economical operation of a stand-alone microgrid system. This paper proposes a coordinated control and power management approach for a hybrid stand-alone microgrid system containing DGs and PVs and also BESSs, which commonly servers as a power supply solution for remote areas such as islands. The proposed approach takes into account the maximum utilisation of PV power, economical operation condition of diesel generators, status of battery energy storage system and their operation constraints to share the load among them. Efficacy of the proposed approach is validated through a RTDS-based simulation test and an actual project practice.

Inspec keywords: distributed power generation; power system management; power generation economics; hybrid power systems; power system security; battery storage plants; power generation control; photovoltaic power systems; power generation reliability; diesel-electric generators

Other keywords: power supply; distributed energy resources; hybrid stand-alone microgrid system; power management; secure operation; reliable operation; diesel-PV-battery; diesel generators; battery energy storage system; PV power

Subjects: Power system management, operation and economics; Distributed power generation; Solar power stations and photovoltaic power systems; Control of electric power systems; Power system control; Reliability; Diesel power stations and plants; Other power stations and plants

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