KR970705226A - 직접 교류 변환기(direct a.c. converter) - Google Patents

직접 교류 변환기(direct a.c. converter) Download PDF

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Publication number
KR970705226A
KR970705226A KR1019970700275A KR19970700275A KR970705226A KR 970705226 A KR970705226 A KR 970705226A KR 1019970700275 A KR1019970700275 A KR 1019970700275A KR 19970700275 A KR19970700275 A KR 19970700275A KR 970705226 A KR970705226 A KR 970705226A
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South Korea
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voltage
phase
res
current
value
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KR1019970700275A
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English (en)
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KR100347197B1 (ko
Inventor
롤프-디터 클루크.
한스-페터 티메르트
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퀼 : 노르트만
지멘스 악티엔게젤샤프트
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Publication of KR970705226A publication Critical patent/KR970705226A/ko
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Publication of KR100347197B1 publication Critical patent/KR100347197B1/ko

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Classifications

    • 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
    • H02P27/12—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 pulsing by guiding the flux vector, current vector or voltage vector on a circle or a closed curve, e.g. for direct torque control
    • 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
    • H02P27/16—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 ac to ac converters without intermediate conversion to dc
    • 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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/25—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc 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
    • H02M5/27—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc 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 for conversion of frequency
    • H02M5/271—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc 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 for conversion of frequency from a three phase input voltage
    • 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
    • H02M7/53—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 triode or transistor type requiring continuous application of a control signal
    • H02M7/537—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • H02M7/53875—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output
    • 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
    • H02M7/53—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 triode or transistor type requiring continuous application of a control signal
    • H02M7/537—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • H02M7/53875—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output
    • H02M7/53876—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output based on synthesising a desired voltage vector via the selection of appropriate fundamental voltage vectors, and corresponding dwelling times
    • 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
    • H02P2205/00—Indexing scheme relating to controlling arrangements characterised by the control loops
    • H02P2205/01—Current loop, i.e. comparison of the motor current with a current reference

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Ac-Ac Conversion (AREA)
  • Inverter Devices (AREA)

Abstract

부하(7)가 개방 회로로 접속된 직접 교류 변환기(1)에서 동적 부하 요구의 수행을 개선시키기 위해, 직접 교류 변환기(1)가 제어됨으로써, 상 전압(ua, ub, uc)의 합으로부터 결과되는 전압 포인터가 일정한 위상 관계로 증가된다.

Description

직접 교류 변환기(DIRECT A.C CONVERTER).
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 10도는 개방 회로를 가진 본 발명에 따른 직접 교류 변환기에서의 위상에 대한 예이다.

Claims (5)

  1. 3상 공급 전압용 3개의 교류 변환기 입력(2), 3상 부하(7), 특히 모터가 개방 회로로 접속된 교류 변환기 출력(4) 및 개별 부하 상(8)에 미리 주어진 상 전압 파형(ua'), (ub') 및 (uc')을 세팅하기 위해 교류 변환기(1)를 제어하는 제어장치(13)를 포함하며, 교류 변환기의 출력(4)은 부하(7)를 통해서만 서로 접속되도록 구성된 직접 교류 변환기에 있어서, 제어장치(13)가 동적 부하 요구시 직접 교류 변환기(1)를 제어함으로써, 상 전압(ua', ub' 및 uc')의 합으로부터 결과되는 전압 포인터(Ures)가 일정한 위상 관계로 커지는 것을 특징으로 하는 직접 교류 변환기.
  2. 제 1항에 있어서, 동적 부하 요구의 수행을 위해, 설정 전압 포인터(Ures)가 결정되며, 상기 설정 전압 포인터(Ures)로부터, 포인터 다이어그램에서 상 전압의 3개의 축(a, b, c)에 대한 2/3를 곱한 설정 전압 포인터(Ures)에 상응하는 3개의 상 전압의 값(ua', ub' 및 uc')이 결정되고, 상기 값 중 하나(예컨대ua')가 교류 변환기 출력(4)에 최대로 세팅가능한 상 전압값(Ures)을 값(d) 만큼 초과하는 경우에는 관련 값(ua')이 최대 상 전압값(Ures)으로 제한되며 2개의 다른 상 전압의 값(ub' 및 uc') 은 동일한 값(d) 만큼 커지고, 제어장치(13)가 상 전압에 대해 얻어진 값(ua', ub' 및 uc')을 교류 변환기 출력(4)에 세팅하는 것을 특징으로 하는 직접 교류 변환기.
  3. 제 2항에 있어서, 결과되는 설정 전압값(Ures)이 포인터 다이어그램에서 6각형912) 내에 놓이도록 제한되며, 상기 6각형의 에지점은 최대로 설정가능한 상 전압값(Ures)의 2배화시 상 전압의 축(a, b, c) 상에 놓이는 것을 특징으로 하는 직접 교류 변환기.
  4. 제 1항 내지 3항 중 어느 한 항에 있어서, 제어장치(13)가 부하(7)의 상 전류에 대한 실제값(ia, ib, ic) 및 설정값(ia*), (ib*), (ic*)에 따라 상 전압(ua', ub' 및 uc')을 세팅하기 위한 전류 조정기(14)를 포함하며, 상 전류 중 하나 (예컨대 ia)의 제로 통과시 마다 전류없는 포우즈(t0)가 주어지고, 전류없는 포우즈(t0) 동안 나머지 상 전류의 설정값(ib*, ic*)이 보정됨으로써, 실제값(ia, ib, ic)의 합으로부터 결과되는 전류 포인터가 전류없는 포우즈(t0) 동안 연속적으로 계속 회전하는 것을 특징으로 하는 직접 교류 변환기.
  5. 제 1항 내지 4항 중 어느 한 항에 있어서, 3상 부하(7)가 압연기 모터인 것을 특징으로 하는 직접 교류 변환기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970700275A 1994-07-11 1995-06-28 직접 교류 변환기 KR100347197B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4424082.1 1994-07-11
DE4424082 1994-07-11
PCT/DE1995/000835 WO1996002085A1 (de) 1994-07-11 1995-06-28 Direktumrichter

Publications (2)

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KR970705226A true KR970705226A (ko) 1997-09-06
KR100347197B1 KR100347197B1 (ko) 2002-09-18

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US (1) US5764499A (ko)
EP (1) EP0770282B1 (ko)
KR (1) KR100347197B1 (ko)
DE (1) DE59501655D1 (ko)
FI (1) FI114951B (ko)
WO (1) WO1996002085A1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6014323A (en) * 1997-08-08 2000-01-11 Robicon Corporation Multiphase power converter
US6087738A (en) * 1998-08-20 2000-07-11 Robicon Corporation Variable output three-phase transformer
US6262555B1 (en) 1998-10-02 2001-07-17 Robicon Corporation Apparatus and method to generate braking torque in an AC drive
US6542390B2 (en) 2001-01-02 2003-04-01 General Electric Company System and method for regenerative PWM AC power conversion
US6847531B2 (en) * 2001-01-02 2005-01-25 General Electric Company System and method for regenerative PWM AC power conversion
JP3721368B2 (ja) * 2003-05-23 2005-11-30 ファナック株式会社 モータ制御装置
FR2956537B1 (fr) * 2010-02-15 2012-02-24 Schneider Toshiba Inverter Procede de commande d'un convertisseur matriciel et convertisseur matriciel susceptible de mettre en oeuvre le procede
EP2894778A1 (en) * 2014-01-13 2015-07-15 Alstom Technology Ltd A controller for a voltage source converter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468725A (en) * 1982-06-18 1984-08-28 Texas Instruments Incorporated Direct AC converter for converting a balanced AC polyphase input to an output voltage
US4600874A (en) * 1985-01-26 1986-07-15 General Electric Company Excitation current control for induction motor drive using load commutated inverter circuit
US4713745A (en) * 1986-07-22 1987-12-15 Westinghouse Electric Corp. Vector-controlled unrestricted frequency changer (UFC) system and variable speed AC motor drive using such a system
WO1990006621A1 (en) * 1988-12-05 1990-06-14 Sundstrand Corporation Vscf start system with precise voltage control
WO1990006618A1 (de) * 1988-12-08 1990-06-14 Siemens Aktiengesellschaft Mehrphasen-stromrichter mit glättungsdrossel
US5005115A (en) * 1989-07-28 1991-04-02 Westinghouse Electric Corp. Forced-commutated current-source converter and AC motor drive using the same
US5182508A (en) * 1992-04-16 1993-01-26 Westinghouse Electric Corp. Reconfigurable AC induction motor drive for battery-powered vehicle
US5384696A (en) * 1992-10-30 1995-01-24 Electric Power Research Institute, Inc. Active power line conditioner with fundamental negative sequence compensation
US5351178A (en) * 1992-10-30 1994-09-27 Electric Power Research Institute, Inc. Active power line conditioner with a derived load current fundamental signal for fast dynamic response
US5351181A (en) * 1993-03-12 1994-09-27 Electric Power Research Institute, Inc. Low cost active power line conditioner

Also Published As

Publication number Publication date
FI970090A0 (fi) 1997-01-09
FI970090A (fi) 1997-01-09
US5764499A (en) 1998-06-09
DE59501655D1 (de) 1998-04-23
KR100347197B1 (ko) 2002-09-18
WO1996002085A1 (de) 1996-01-25
EP0770282A1 (de) 1997-05-02
FI114951B (fi) 2005-01-31
EP0770282B1 (de) 1998-03-18

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