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Power Converter Based Impedance Emulation of Passive Loads for Anti-Islanding Tests

Zade, Aditya and Venkatramanan, D and John, Vinod (2018) Power Converter Based Impedance Emulation of Passive Loads for Anti-Islanding Tests. In: 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 18-21 Dec. 2018, Chennai.


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Official URL: https://doi.org/10.1109/PEDES.2018.8707594


A passive RLC load is essential for conducting anti-islanding tests of inverter based grid connected distributed generator (DG) systems. A variable load is desirable if the tests need to be carried out over a range of operating conditions and on multiple DG based inverters of different ratings. Use of a physical load results in increased cost and space requirements, particularly when the rating of the DG under test increases. This paper presents power converter based impedance emulation technique to actively implement such a parallel RLC load. The dynamic and steady-state response of the load are synthesized using closed loop control of the passive load emulation converter (PLEC), such that the terminal behaviour of the converter matches the passive RLC load characteristics closely. The proposed technique is verified using simulations and experiments that consist of proposed PLEC working in tandem with a current controlled 3 phi DG based inverter on a 5 kVA hardware prototype in laboratory.

Item Type: Conference Proceedings
Additional Information: The copyright for this article belongs IEEE
Keywords: Anti-islanding; distributed generator (DG); equipment under test (EUT); front end converter; impedance emulation; passive load emulator; passive load emulation converter
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering > Electrical Communication Engineering - Technical Reports
Depositing User: Id for Latest eprints
Date Deposited: 20 Jun 2019 18:28
Last Modified: 21 Jun 2019 19:28
URI: http://eprints.iisc.ac.in/id/eprint/63000

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