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The basic component of the phase control systems for electric drives is a cyclic component induced by external perturbations. It is possible to reduce this error at the expense of its compensation. However, the compensation becomes a positive feedback and it is very sensitive to its setup. This paper deals with the setup conditions which are capable to ensure the convergence of compensation process of error regulation. The result of the analysis is a setup technique for the phase control systems. [ABSTRACT FROM AUTHOR]

According to the suggested methodology of the residual power determination of the fissionable fuel were implemented mathematical and software tools to achieve the main goal of the project - the duplicate proving of all reliability and safety parameters of systems used in nuclear power engineering. This method has resulted from the requirements of the international and slovak Nuclear Regulatory standards, e.g. the IAEA Safety Standards or regulations for the safe transport of radioactive material. In the article is presented the proposed mathematical model and implemented real-time system for the data acquisition and the visualization of the watched parameters needful for the mathematical computations in the model. Topic is the part of the APVV-0308-07 project, solved in co-operation of MTF STU (represented by Institute of Applied Informatics, Automation and Mathematics) and Research Institute of Power Plants (VUJE). [ABSTRACT FROM AUTHOR]