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Now showing items 11-14 of 14
Harmonic content as the indicator of transformer core saturation
(Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
The paper proposes a measurement method for obtaining the parameters needed to calculate a reliable indicator of the state of transformer core saturation. The major nonlinear effects in transformer core are saturation, ...
Photovoltaic powered uninterruptible power supply using smart relay
(Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
Uninterruptible power supply (UPS) sits between a power supply such as wall outlet and devices to prevent undesired feature that can occur within the power source such as outages, sags, surges and bad harmonics from the ...
Optimization of current total harmonic distortion on three-level transformerless photovoltaic inverter
(Elsevier Ltd., 2012)
This paper presents a new topology of three-level transformerless photovoltaic (PV) inverter. It consists of three main circuits; they are a pulse driver circuit, a full bridge inverter circuit and a power factor correction ...
Improvement of induction machine performance using power factor correction
(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-21)
In this paper, a new approach to improve power factor (PF) and reduced total harmonic distortion (THDi) is generated by a single phase induction motor is proposed. By designing the necessary technique and methodology, the ...