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Coordinated AVR and tap changing control for an autonomous industrial power system

Coordinated AVR and tap changing control for an autonomous industrial power system

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© The Institution of Engineering and Technology
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A strategy for voltage and reactive power control of an autonomous industrial power system including distributed generators and loads is presented. The investigation is based on time-domain simulations and aims to define the main functions for the power management system (PMS) that will govern the operation of the power system. Inter-bus transformers (IBTs) are used to limit the fault level but will affect the sharing of the total load reactive power between distributed generators. Generator AVR and on-load tap changing of the IBTs, both supervised by the PMS, are used together to regulate the local load voltages and at the same time to allow reactive power flow through the IBTs for the purpose of equalised sharing. A coordinated strategy is obtained. The knowledge gained from this study can be useful in future cases.

Inspec keywords: power system control; voltage control; power system faults; load flow control; distributed power generation; reactive power control; power system management; on load tap changers; industrial power systems; power system simulation; time-domain analysis

Other keywords: coordinated AVR control; distributed generator; inter-bus transformer; tap changing control; reactive power flow control; autonomous industrial power system; distributed load; voltage control; time-domain simulation; power system operation; power management system; fault limitation

Subjects: Mathematical analysis; Power system control; Distribution networks; Voltage control; Control of electric power systems; Mathematical analysis; Industrial applications of power; Power and energy control

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