access icon free Phasor measurement unit based wide-area monitoring and information sharing between micro-grids

© The Institution of Engineering and Technology
Received 07/09/2016, Accepted 23/12/2016, Published 03/01/2017

Micro-grid (MG) monitoring and information sharing between them through a central monitoring unit is required in the present day operational environment. The proposed research focuses on developing wide-area monitoring platform for multiple MGs running in parallel. This is achieved by using C37.118.1 complied phasor measurements units (PMUs) which provides accurate and reliable information monitoring at remote ends of the MGs and are further connected to the Phasor Data Concentrator which acts as the central monitoring unit. This process not only retrieves information at different nodes of the MGs equipped with PMUs, but the information can be exchanged between MGs for further action if required during contingencies. The PMUs are used to monitor phasors (amplitude and phases) and frequency of fundamentals which are further used to compute wide-area functions at different operating nodes of the MGs at grid connected and islanded modes of operation including different operating conditions. The proposed PMU and MG models are developed on MATLAB/SIMULINK platform. Extensive test results indicate that the proposed monitoring process is highly essential to retrieve the operational status of the multiple MGs observed at the central monitoring unit.

Inspec keywords: phasor measurement; power system interconnection; distributed power generation

Other keywords: central monitoring unit; wide area monitoring; islanded modes; MATLAB/SIMULINK platform; information sharing; phasor data concentrator; microgrid monitoring; PMU; grid connected; phasor measurements unit

Subjects: Distributed power generation; Power system management, operation and economics; Power system measurement and metering

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