| Summary: | In modern electrical power systems screened and cast current distributors up to 6-20 kV are used. Structurally this equipment represents three current carrying buses each of which has the metal screen. By the same principle the gas-isolated power lines can be carried out. Development of computer models allowing considering correctly skin effect and effect of proximity is necessary for design and operation of the systems equipped with screened current distributors. Such models can be constructed with use of electrical power systems modeling methods in the phase coordinates developed in Irkutsk state transport university. Complex modeling technique of the screened power lines executed on the basis of massive conductors is offered. The technique is based on use of phase coordinates and replacement of massive buses with set of elementary conductors. On the basis of the offered technique it is possible to carry out modeling of screened and cast current distributors, and also the gas-isolated power lines. Except calculation of the mode, the described modeling technology allows to carry out definition of the electromagnetic fields created by current distributors.
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