SU1192086A1

SU1192086A1 - Versions of method of starting capacitor electric motor

Info

Publication number: SU1192086A1
Application number: SU843755847A
Authority: SU
Inventors: Владимир Михайлович Лопухин; Елена Моисеевна Лопухина; Вардуи Минасовна Минасян; Геннадий Алексеевич Семенчуков
Original assignee: Московский Ордена Ленина И Ордена Октябрьской Революции Энергетический Институт
Priority date: 1984-06-26
Filing date: 1984-06-26
Publication date: 1985-11-15

Abstract

1. Способ пуска конденсаторного электродвигател , одна из обмоток которого в рабочем режиме шунтирована конденсатором , включающий подачу на вторую обмотку сетевого напр жени через последователь но включенный конденсатор, отличающийс тем, что, с целькэ повышени пускового момента без увеличени емкости конденсатора, до подачи напр жени на вторую обмотку первую отключают от конденсатора, подают на нее полное напр жение сети одновременно с подачей напр жени на вторую обмотку, а после разгона двигател первую обмотку подсоедин ют параллельно конденсатору. 2. Способ пуска конденсаторного электродвигател с соединением обмоток в звезду в рабочем режиме, в одну из фазных обмоток которого последовательно включен конденсатор , включающий подачу сетевого напр жени на фазные обмотки, не содержащие конденсатор, отличающийс тем, что, с целью повышени пускового момента без увелЛени емкости конденсатора до подачи § напр женн на фазные обмотки, не содерсл жащие конденсатор, обмотку с последов.ательно включенным конденсатором отключи-, ют от общей точки звезды, подают на 5ту цепь одновременно с обмотками, не содерг § жащими конденсатор, полное напр жение сети и после разгона двигател эту цепы присоедин ют в звезду с другнмн обмотками. CD to о 00 о1. A method for starting a capacitor motor, one of the windings of which is in operation bypass by a capacitor, which supplies the second winding of the mains voltage through a successively connected capacitor, characterized in that, with zelcae, increasing the starting torque without increasing the capacitor capacity, before applying the voltage The first winding is disconnected from the second capacitor, the full voltage of the network is supplied to it simultaneously with the voltage applied to the second winding, and after the engine is accelerated, the first winding is connected parallel to the capacitor. 2. A method for starting a capacitor motor with a winding connection to a star in the operating mode, in one of the phase windings of which a capacitor is connected in series, including the supply of mains voltage to the phase windings that do not contain a capacitor, characterized in that in order to increase the starting torque without increasing before supplying the capacitor capacitance, voltage on the phase windings that do not contain a capacitor, the winding with a successively switched on capacitor is disconnected from the common point of the star, is fed to the 5th circuit simultaneously on a winding, not soderg § zhaschimi capacitor full voltage network and after the dissolution of the flails engine was attached to star with drugnmn windings. CD to about 00 about

Description

Фие. 1Phie. one

Claims

1. A method of starting a capacitor • electric motor, one of the windings of which is shunted by a capacitor in the operating mode, which includes supplying the second winding of the mains voltage through a series-connected capacitor, characterized in that, with a pin to increase the starting torque without increasing the capacitor capacitance, before applying voltage to the second winding is disconnected from the capacitor, the full voltage of the network is supplied to it simultaneously with the voltage supply to the second winding, and after acceleration of the motor, the first winding is connected to It is parallel to the capacitor.

2. A method of starting a capacitor motor with connecting the windings to a star in the operating mode, in one of the phase windings of which a capacitor is connected in series, including supplying a mains voltage to phase windings that do not contain a capacitor, characterized in that, in order to increase the starting torque without increasing the capacity capacitor before applying voltage to the phase windings that do not contain a capacitor, the winding with a series-connected capacitor is disconnected. They are connected from the common point of the star, fed to this circuit at the same time as the windings that do not contain a capacitor, the total voltage of the network and, after acceleration of the motor, this circuit is connected to a star with other windings.