RU2016106441A - ASYNCHRONOUS MOTOR POWER SUPPLY - Google Patents

ASYNCHRONOUS MOTOR POWER SUPPLY Download PDF

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Publication number
RU2016106441A
RU2016106441A RU2016106441A RU2016106441A RU2016106441A RU 2016106441 A RU2016106441 A RU 2016106441A RU 2016106441 A RU2016106441 A RU 2016106441A RU 2016106441 A RU2016106441 A RU 2016106441A RU 2016106441 A RU2016106441 A RU 2016106441A
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RU
Russia
Prior art keywords
inputs
outputs
power supply
asynchronous motor
motor power
Prior art date
Application number
RU2016106441A
Other languages
Russian (ru)
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RU2647882C2 (en
Inventor
Евгений Олегович Лавренов
Original Assignee
Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Новосибирский Государственный Технический Университет"
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Application filed by Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Новосибирский Государственный Технический Университет" filed Critical Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Новосибирский Государственный Технический Университет"
Priority to RU2016106441A priority Critical patent/RU2647882C2/en
Publication of RU2016106441A publication Critical patent/RU2016106441A/en
Application granted granted Critical
Publication of RU2647882C2 publication Critical patent/RU2647882C2/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load

Landscapes

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

Claims (1)

Устройство питания асинхронного двигателя, содержащее три мостовых инвертора, питаемых от сети постоянного напряжения и управляемых от трехфазного источника сигналов, отличающееся тем, что в него введены преобразователи уровней, пик-детекторы фазных напряжений, блок формирования средней амплитуды, аналоговые умножители напряжения, трансформаторы тока, соединенные первыми входами с сумматорами, вторыми входами у которых являются выходы аналоговых умножителей напряжения, первыми входами которых являются выходы задающего генератора, формирующего фазные напряжения и синхронизированного с питающей сетью, а вторыми - выход блока нелинейного преобразования, вход которого соединен с выходом блока формирования средней амплитуды, входы которого подключены к выходам пик-детекторов, входы которых подключены к выходам преобразователей уровней, входы которых подключены к зажимам питания двигателя, который также подключен к выходам мостовых инверторов, к управляющим входам которых подключены выходы сумматоров.An asynchronous motor power supply device containing three bridge inverters powered from a DC voltage network and controlled from a three-phase signal source, characterized in that it includes level converters, peak voltage phase detectors, a medium amplitude generating unit, analog voltage multipliers, current transformers, connected by the first inputs to the adders, the second inputs of which are the outputs of the analog voltage multipliers, the first inputs of which are the outputs of the master oscillator, forming phase voltages and synchronized with the supply network, and the second is the output of the nonlinear conversion unit, the input of which is connected to the output of the medium-amplitude generating unit, the inputs of which are connected to the outputs of the peak detectors, the inputs of which are connected to the outputs of the level converters, the inputs of which are connected to the power terminals motor, which is also connected to the outputs of bridge inverters, to the control inputs of which the outputs of the adders are connected.
RU2016106441A 2016-02-24 2016-02-24 Power supply of asynchronous motor RU2647882C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2016106441A RU2647882C2 (en) 2016-02-24 2016-02-24 Power supply of asynchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2016106441A RU2647882C2 (en) 2016-02-24 2016-02-24 Power supply of asynchronous motor

Publications (2)

Publication Number Publication Date
RU2016106441A true RU2016106441A (en) 2017-08-29
RU2647882C2 RU2647882C2 (en) 2018-03-21

Family

ID=59798631

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2016106441A RU2647882C2 (en) 2016-02-24 2016-02-24 Power supply of asynchronous motor

Country Status (1)

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RU (1) RU2647882C2 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US930484A (en) * 1908-11-30 1909-08-10 Virgil C Koons House letter-box.
US4939437A (en) * 1988-06-22 1990-07-03 Siemens Energy & Automation, Inc. Motor controller
SE514818C2 (en) * 1999-04-30 2001-04-30 Abb Ab Constant frequency machine with varying / variable speed and procedure for such machine
UA7650U (en) * 2004-06-01 2005-07-15 Univ Zaporizhia Nat Technical Method of manufacture of electrode for acr welding
RU2308138C2 (en) * 2005-11-22 2007-10-10 Сергей Александрович Богатырев Device for powering asynchronous electric motor
JP2007181330A (en) * 2005-12-28 2007-07-12 Jtekt Corp Motor control device and control method
RU2415504C2 (en) * 2009-03-23 2011-03-27 Государственное образовательное учреждение высшего профессионального образования "Вологодский государственный технический университет" (ВоГТУ) Device to protect three-phase asynchronous motors

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Publication number Publication date
RU2647882C2 (en) 2018-03-21

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