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  5. Influence of degree of indemnification reactive power of lines of electricity transmission on the protracted overstrains in network

Influence of degree of indemnification reactive power of lines of electricity transmission on the protracted overstrains in network

E.T. Krasovskaya, P.F. Budanov
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Influencing of degree of indemnification charge power of lines of electricity transmission is explored, parameters of waves of line on the size of overstrain of industrial frequency, on the terms of work of generators and devices of limitation of overstrains. As a result of analysis of equalizations of waves of lines of electricity transmission principal reason of the protracted overstrains of industrial frequency is set, dependence of level of tensions is certain on the size of the passed power, degree of indemnification charge power of lines, parameters of waves of chart. Application of measures of limitation of the protracted overstrains in the modes of the small loading eliminates possibility of the deep limiting to the forced constituent of overstrains of commutations. It is shown that the most expedient and economical method of decision of this problem is application of the guided shunting reactors, allowing to provide indemnification surplus reactive power of lines in any their office hours.
Keywords: electricity transmission, power-station, parameters of waves, isolation, overstrains, carrying capacity, indemnification, shunting a reactor