Phase Shifting Transformer-LCL (PST-LCL) Filter: Modeling and Analysis
Mohammad Amin Chitsazan,
Andrzej M Trzynadlowski
Issue:
Volume 7, Issue 1, January 2018
Pages:
1-10
Received:
14 February 2018
Accepted:
5 March 2018
Published:
27 March 2018
Abstract: Power converters have been widely used in power systems to improve the quality and magnitude of the power drawn from renewable energy sources. An LCL filter for connection of an inverter to the grid is often used to reduce the harmonics generated by the inverter. Based on the different design methodologies, optimal parameters of LCL filters tend to differ in wide ranges. This paper proposes a new approach to an LCL filter used for decreasing the harmonic currents. A phase shifting transformer is added into the structure of an LCL filter to mitigate the harmonic current. The procedures and techniques described in this paper are particularly suitable for the grid-connected photovoltaic energy systems.
Abstract: Power converters have been widely used in power systems to improve the quality and magnitude of the power drawn from renewable energy sources. An LCL filter for connection of an inverter to the grid is often used to reduce the harmonics generated by the inverter. Based on the different design methodologies, optimal parameters of LCL filters tend to...
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Climatic, Environmental and Fire Behaviour (C2 E2 F1) Test of Cast Resin Transformer
Remya Krishnan,
Muraleedharan Nair
Issue:
Volume 7, Issue 1, January 2018
Pages:
11-15
Received:
19 February 2018
Accepted:
5 March 2018
Published:
2 April 2018
Abstract: The dry type cast resin transformer shall be suitable for usage under expected climate conditions. It shall be self-extinguishing and shall not produce toxic gases in the event of fire. This is verified by the Climatic, Environmental and Fire withstand behaviour test as per 60076-11. This paper gives the design features of a 1600 kVA dry type cast resin transformer which was subjected to climatic, environmental and fire behaviour (C2 E2 F1) tests at KEMA testing laboratory, Netherlands. The technical parameters of epoxy resin system, winding configuration, and clamping, etc. necessary to meet the requirements are also discussed.
Abstract: The dry type cast resin transformer shall be suitable for usage under expected climate conditions. It shall be self-extinguishing and shall not produce toxic gases in the event of fire. This is verified by the Climatic, Environmental and Fire withstand behaviour test as per 60076-11. This paper gives the design features of a 1600 kVA dry type cast ...
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