RU2016105178A - ADJUSTABLE AC ELECTRIC DRIVE - Google Patents

ADJUSTABLE AC ELECTRIC DRIVE Download PDF

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Publication number
RU2016105178A
RU2016105178A RU2016105178A RU2016105178A RU2016105178A RU 2016105178 A RU2016105178 A RU 2016105178A RU 2016105178 A RU2016105178 A RU 2016105178A RU 2016105178 A RU2016105178 A RU 2016105178A RU 2016105178 A RU2016105178 A RU 2016105178A
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RU
Russia
Prior art keywords
phase
output
receiving
phase current
motor
Prior art date
Application number
RU2016105178A
Other languages
Russian (ru)
Other versions
RU2629009C2 (en
Inventor
Евгений Александрович Крутяков
Владимир Алексеевич Паршиков
Дмитрий Иванович Улитовский
Original Assignee
Федеральное государственное унитарное предприятие "Крыловский государственный научный центр"
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Priority to RU2016105178A priority Critical patent/RU2629009C2/en
Publication of RU2016105178A publication Critical patent/RU2016105178A/en
Application granted granted Critical
Publication of RU2629009C2 publication Critical patent/RU2629009C2/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/16—Means for providing current step on switching, e.g. with saturable reactor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/483—Converters with outputs that each can have more than two voltages levels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/483—Converters with outputs that each can have more than two voltages levels
    • H02M7/487—Neutral point clamped inverters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/515—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/525—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency
    • H02M7/527—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
    • H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation

Landscapes

  • Inverter Devices (AREA)
  • Control Of Ac Motors In General (AREA)

Claims (2)

Регулируемый электропривод переменного тока, содержащий трехфазный электродвигатель с выводом нулевой точки обмотки статора, соединенной в звезду, три датчика фазных токов двигателя и трехфазный многоуровневый инвертор на управляемых полупроводниковых приборах, оснащенный устройством управления, содержащим три одинаковых модулятора фазных токов и логический блок управления, соединенный с драйверами управляемых полупроводниковых приборов трехфазного многоуровневого инвертора,An adjustable AC electric drive containing a three-phase electric motor with a stator winding zero point connected to a star, three phase current sensors of the motor and a three-phase multilevel inverter on controlled semiconductor devices, equipped with a control device containing three identical phase current modulators and a logical control unit connected to drivers of controlled semiconductor devices of a three-phase multilevel inverter, отличающийся тем, что трехфазный многоуровневый инвертор на управляемых полупроводниковых приборах оснащен выводом точки нулевого потенциала и что вывод нулевой точки обмотки статора электродвигателя соединен с выводом точки нулевого потенциала инвертора, также логический блок управления содержит три управляющих выхода для управления драйверами инвертора, три информационных выхода для выдачи мгновенных значений заданных фазных токов электродвигателя, один информационный выход для выдачи величины допустимого отклонения мгновенных значений фазных токов от заданных значений, один информационный выход для выдачи сигнала начальной установки выходных сигналов модуляторов фазных токов и три информационных входа для приема выходных сигналов модуляторов фазных токов, также в состав каждого модулятора фазных токов входит реверсивный счетчик режимов с числом возможных состояний равным числу уровней выходного напряжения инвертора, инвертирующий компаратор, выход которого соединен с вычитающим входом реверсивного счетчика режимов, неинвертирующий компаратор, выход которого соединен с суммирующим входом реверсивного счетчика режимов, также, каждый модулятор фазных токов имеет четыре информационных входа для приема сигнала начальной установки реверсивного счетчика режимов, для получения допустимого отклонения мгновенных значений фазных токов, для приема величины мгновенных значений заданного тока фазы электродвигателя, для приема измеренных мгновенных значений тока фазы электродвигателя.characterized in that the three-phase multilevel inverter on controlled semiconductor devices is equipped with a zero potential point output and that the stator winding zero point of the motor is connected to the output of the inverter zero potential point, also the logic control unit contains three control outputs for controlling the inverter drivers, three information outputs for issuing instantaneous values of the set phase currents of the electric motor, one information output for outputting the value of the permissible deviation instantly x phase current values from the set values, one information output for issuing the initial setting signal of the output signals of the phase current modulators and three information inputs for receiving the output signals of the phase current modulators, each phase current modulator also includes a reversible mode counter with the number of possible states equal to the number the output voltage levels of the inverter, an inverting comparator, the output of which is connected to the subtracting input of a reversing mode counter, a non-inverting comparator, an output it is connected to the summing input of the reversible mode counter; also, each phase current modulator has four information inputs for receiving the initial setting signal of the reverse mode counter, for receiving the permissible deviation of the instantaneous values of the phase currents, for receiving the instantaneous values of the specified current of the motor phase, for receiving the measured instantaneous values of the current phase of the motor.
RU2016105178A 2016-02-16 2016-02-16 Alternate current variable speed drive RU2629009C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2016105178A RU2629009C2 (en) 2016-02-16 2016-02-16 Alternate current variable speed drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2016105178A RU2629009C2 (en) 2016-02-16 2016-02-16 Alternate current variable speed drive

Publications (2)

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RU2016105178A true RU2016105178A (en) 2017-08-21
RU2629009C2 RU2629009C2 (en) 2017-08-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1368937A1 (en) * 1984-12-25 1988-01-23 Предприятие П/Я А-1586 Decoupling device for irradiator array
US6014323A (en) * 1997-08-08 2000-01-11 Robicon Corporation Multiphase power converter
RU2204880C2 (en) * 2001-05-03 2003-05-20 Камский политехнический институт Off-line multilevel phase voltage inverter
RU2269196C1 (en) * 2004-07-20 2006-01-27 Государственное унитарное предприятие "Всероссийский электротехнический институт им. В.И. Ленина" Voltage converter built around combined circuit arrangement
RU52539U1 (en) * 2005-09-14 2006-03-27 Общество с ограниченной ответственностью "Торговый дом "Электрические машины" (ООО "ТД "Электрические машины") MULTILEVEL AUTONOMOUS PHASE VOLTAGE INVERTER
KR20090100655A (en) * 2008-03-20 2009-09-24 엘에스산전 주식회사 Multi level inverter
DE102009045797A1 (en) * 2009-10-19 2011-04-21 Robert Bosch Gmbh Electric machine, hydraulic unit
IT1396963B1 (en) * 2009-10-20 2012-12-20 Meta System Spa SYSTEM AND METHOD FOR THE COMPENSATION OF THE UNBALANCE OF INPUT VOLTAGES IN THE MULTILEVEL INVERTER
JP6075024B2 (en) * 2012-11-19 2017-02-08 富士電機株式会社 Multi-level inverter
KR101583868B1 (en) * 2013-07-22 2016-01-08 엘에스산전 주식회사 Multi-level inverter

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