National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Impact of Renewable Sources on Power System Operation
Malý, Jiří ; Rusek, Stanislav (referee) ; Modlitba, Petr (referee) ; Matoušek, Antonín (advisor)
Doctoral thesis deals about primary and secondary energy legislation of the Czech Republic and proposes supplement to the legislation for renewable sources of energy. The thesis contents proposal of methodology of determination of available network capacity for connecting of new renewable sources. It analyzes current state of Czech electric power system and its possibilities for integrating new sources. It also determined available network capacity for connecting of new renewable sources in various regions of Czech Republic according to actual trend of renewable sources development. Next part of the thesis simulates impact of volatile large production of wind power plants in northern Germany in near future (year 2015). The thesis also contents proposal to the Czech power system reinforcements to eliminate negative impacts of loops flows.
Impact of Renewable Sources on Power System Operation
Malý, Jiří ; Rusek, Stanislav (referee) ; Modlitba, Petr (referee) ; Matoušek, Antonín (advisor)
Doctoral thesis deals about primary and secondary energy legislation of the Czech Republic and proposes supplement to the legislation for renewable sources of energy. The thesis contents proposal of methodology of determination of available network capacity for connecting of new renewable sources. It analyzes current state of Czech electric power system and its possibilities for integrating new sources. It also determined available network capacity for connecting of new renewable sources in various regions of Czech Republic according to actual trend of renewable sources development. Next part of the thesis simulates impact of volatile large production of wind power plants in northern Germany in near future (year 2015). The thesis also contents proposal to the Czech power system reinforcements to eliminate negative impacts of loops flows.
Current Control Techniques for Mains Connected Converters under Unbalanced Conditions
Bejvl, Martin ; Šimek, Petr ; Škramlík, Jiří ; Valouch, Viktor
Electric equipments connected to the mains usually consist of a converter, a DC intermediate circuit and an inverter. The power from the mains should be consumed with unity power factor, the mains current should be harmonics, the power flow bidirectional, and also equipment should be functional under distored mains conditions. The dual-current control of the converter has been recently developed to meet the mentioned requirements. An overview and comparison of several different control methods are presented in the paper.

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