RU2016119947A

RU2016119947A - THREE-PHASE AC VOLTAGE CONVERTER TO DC

Info

Publication number: RU2016119947A
Application number: RU2016119947A
Authority: RU
Inventors: Ариф Гасан оглы Аслан-заде
Original assignee: Ариф Гасан оглы Аслан-заде
Priority date: 2016-05-23
Filing date: 2016-05-23
Publication date: 2016-09-20
Also published as: RU2630215C2

Abstract

Преобразователь трехфазного переменного напряжения в постоянное, содержащий трехфазный трансформатор с первичной обмоткой и тремя группами вторичных фазных обмоток, соединенных каждая в звезду, вывод каждой фазной обмотки первой из которых подключен к одноименным электродам первых вентилей, другие электроды которых подключены к одноименным с ним выводам разноименных фазных обмоток второй группы и разноименному с ним выводу одноименной фазной обмотки третьей группы, общая точка обмотки второй группы подключена к первому крайнему выводу двух идентичных встречно последовательно соединенных одноименных фазных обмоток четвертой группы, фазные выводы обмоток второй и третьей групп подключены к одноименным электродам вторых вентилей, общая точка которых образует первый полюс, а фазные выводы обмоток первой группы подключены к одноименным электродам третьей группы, общая точка которых образует второй полюс, причем число витков фазной обмотки второй группы равно 1,8794·w, а число витков фазной обмотки третьей группы - 1,5321·w, где w - число витков фазной обмотки первой группы, отличающийся тем, что второй крайний вывод обмоток четвертой группы подключен к общей точке обмотки третьей группы, число витков каждой фазной обмотки четвертой группы равно частному от деления на два разности чисел витков обмоток второй и третьей групп, а первичная обмотка соединена в треугольник.A three-phase AC to DC converter, containing a three-phase transformer with a primary winding and three groups of secondary phase windings, each connected to a star, the output of each phase winding of the first of which is connected to the same electrodes of the first valves, the other electrodes of which are connected to the same-named outputs of the unlike phase windings of the second group and the output of the same name phase winding of the third group, the common point of the winding of the second group is connected to the first extreme one of two identical counter-connected in series connected with the same phase windings of the fourth group, the phase leads of the windings of the second and third groups are connected to the same electrodes of the second valves, the common point of which forms the first pole, and the phase leads of the windings of the first group are connected to the same electrodes of the third group, whose common point forms the second pole, and the number of turns of the phase winding of the second group is 1.8794 · w, and the number of turns of the phase winding of the third group is 1.5321 · w, where w is the number of turns of the phase winding of the first group, tlichayuschiysya in that the second end of the fourth group output windings connected to the common point of the third coil group, the number of turns of each phase winding of the fourth group is equal to the quotient of the difference of two numbers of turns of windings of the second and third groups, and the primary winding is connected in a triangle.

Claims

A three-phase AC to DC converter, containing a three-phase transformer with a primary winding and three groups of secondary phase windings, each connected to a star, the output of each phase winding of the first of which is connected to the same electrodes of the first valves, the other electrodes of which are connected to the same-named outputs of the unlike phase windings of the second group and the output of the same name phase winding of the third group, the common point of the winding of the second group is connected to the first extreme one of two identical counter-connected in series connected with the same phase windings of the fourth group, the phase leads of the windings of the second and third groups are connected to the same electrodes of the second valves, the common point of which forms the first pole, and the phase leads of the windings of the first group are connected to the same electrodes of the third group, whose common point forms the second pole, and the number of turns of the phase winding of the second group is 1.8794 · w, and the number of turns of the phase winding of the third group is 1.5321 · w, where w is the number of turns of the phase winding of the first group, tlichayuschiysya in that the second end of the fourth group output windings connected to the common point of the third coil group, the number of turns of each phase winding of the fourth group is equal to the quotient of the difference of two numbers of turns of windings of the second and third groups, and the primary winding is connected in a triangle.