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Date: 2015
Language: en
Type: Text
Identifier: tut:2781
Description: This paper presents the behaviour of the distance protection relays on a series compensated transmission line under fault conditions. Series compensation presents distance protection elements with uno ... More
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Date: 2014/04/12
Language: en
Type: Text
Identifier: tut:3147
Description: The utilization of a DC-link transmission corridor of embedded VSC HVDC for a DC power injection from renewable energy sources to increase the power flow capability and AC network stability support is ... More
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Date: 2013-05-29
Type: Text
Identifier: tut:2174
Description: This paper presents a direct control method for the classical 3x3 matrix converter. The control method is based on the Mixed Integer Programme Formulation (MIPF) method. The switching pattern of the m ... More
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Date: 2013-05-15
Type: Text
Identifier: tut:2173
Description: This paper investigates the concept of an isolated small wind power system based on a three-phase generator and a direct ac-to-ac conversion. The ac-to-ac conversion is performed by a matrix converter ... More
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Date: 2012
Language: en
Type: Text
Identifier: tut:3712
Description: In this paper, the authors take a particular look at the effects of combination of different stator winding configurations in a 40 stator slots, 2-pole, and five-phase induction machine. They show, th ... More
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Date: 2011-04-15
Type: Text
Identifier: tut:2170
Description: To enhance the progress of control of switching converters, IP blocks should be identified and be made available. These power technologies can be readily implemented and the pace of progress be enhanc ... More
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Date: 2010/11/24
Language: en
Type: Text
Identifier: tut:3996
Description: The cascaded NPC/H- bridge inverter is first analyzed by establishing a new switching model based on a derived control law. From the developed switching model, a general model is obtained using state ... More
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Date: 2010/06/21
Language: en
Type: Text
Identifier: tut:4007
Description: A variation on the classic boost topology is presented. The improved transfer ratio is obtained by storing energy in parallel inductors and releasing the energy in series. State-space analysis, signal ... More
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Date: 2010/02/01
Language: en
Type: Text
Identifier: tut:4325
Description: Trial and error approach which involves service interruption is usually carried out to resolve unbalance on phases in power distribution system. This approach might improve the phase voltage and curre ... More
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Date: 2010
Language: en
Type: Text
Identifier: tut:4533
Description: Synchronous reluctance machine with a conventional rotor structure and a 3-phase auxiliary winding attached to a balanced capacitance for power factor improvement will find application in high speed , ... More
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Date: 2009/06/5
Language: en
Type: Text
Identifier: tut:3707
Description: Synchronous reluctance machine with simple salient rotor is known to have poor power factor because of its poor reactance ratio. This study presents the use of an auxiliary winding attached to a balan ... More
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Date: 2008-05-01
Type: Text
Identifier: tut:2172
Description: The reliability and stability of the Matrix Converter has improved during the last years due to the enhanced control algorithms. The traditional direct transfer function control mode has been replaced ... More
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Date: 2008-03-02
Type: Text
Identifier: tut:2175
Description: Static power converters produce harmonics due to the nature of the conversion process. This paper will investigate the effect on the power factor of a sinusoidal and Fryze current reference on a PWM b ... More
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Date: 2008
Language: en
Type: Text
Identifier: tut:3666
Description: Static power converters produce harmonics due to the nature of the conversion process. This paper will investigate two variations of current mode control for three-phase power converters ensuring redu ... More
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Date: 2007-09-21
Type: Text
Identifier: tut:2159
Description: To get the distribution network to operate at its optimum performance in an automated distribution system reconfiguration was been proposed and researched. Considering, however, that optimum performan ... More
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