IT971935B - Protezione di sovracorrente per sistema di potenza utilizzante una regolazione di tensione - Google Patents

Protezione di sovracorrente per sistema di potenza utilizzante una regolazione di tensione

Info

Publication number
IT971935B
IT971935B IT32986/72A IT3298672A IT971935B IT 971935 B IT971935 B IT 971935B IT 32986/72 A IT32986/72 A IT 32986/72A IT 3298672 A IT3298672 A IT 3298672A IT 971935 B IT971935 B IT 971935B
Authority
IT
Italy
Prior art keywords
power system
overcurrent protection
voltage regulation
overcurrent
regulation
Prior art date
Application number
IT32986/72A
Other languages
English (en)
Original Assignee
Gen Electric
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT971935B publication Critical patent/IT971935B/it

Links

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
    • H02H7/0833—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 for electric motors with control arrangements
IT32986/72A 1971-12-17 1972-12-15 Protezione di sovracorrente per sistema di potenza utilizzante una regolazione di tensione IT971935B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20946371A 1971-12-17 1971-12-17

Publications (1)

Publication Number Publication Date
IT971935B true IT971935B (it) 1974-05-10

Family

ID=22778847

Family Applications (1)

Application Number Title Priority Date Filing Date
IT32986/72A IT971935B (it) 1971-12-17 1972-12-15 Protezione di sovracorrente per sistema di potenza utilizzante una regolazione di tensione

Country Status (5)

Country Link
US (1) US3775651A (it)
JP (1) JPS4881028A (it)
DE (1) DE2261407A1 (it)
ES (1) ES409685A1 (it)
IT (1) IT971935B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2239897C2 (de) * 1972-08-14 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur Regelung eines Asynchronmotors
US3859579A (en) * 1974-01-27 1975-01-07 Gen Electric Protection circuit for power converter systems
US3899725A (en) * 1974-02-25 1975-08-12 Gen Electric Braking effort control
US4051418A (en) * 1975-11-03 1977-09-27 Berto Gerald N O Three phase a.c. motor drive system
JPS5928152B2 (ja) * 1978-11-04 1984-07-11 ファナック株式会社 電動機駆動用インバ−タ回路の保護装置
DE3125157A1 (de) * 1981-06-26 1983-01-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Drehzahlregelschaltung fuer einen motor
DE3237800C2 (de) * 1982-08-03 1986-09-11 Loher Gmbh, 8399 Ruhstorf Schutzeinrichtung für Asynchron-Motoren
DE3228954C2 (de) * 1982-08-03 1985-11-21 Loher Gmbh, 8399 Ruhstorf Schutzeinrichtung für Asynchron-Motoren
JPS59173770A (ja) * 1983-03-23 1984-10-01 Mitsubishi Electric Corp 周波数検出方法
GB2167251B (en) * 1984-11-21 1988-10-05 Barry Wayne Williams Induction motor drive circuits
MX160152A (es) * 1986-11-26 1989-12-13 Babcock & Wilcox Co Mejoras en sistema de deteccion de falla de corriente para controladores de corriente alterna
US4875000A (en) * 1986-11-26 1989-10-17 The Babcock & Wilcox Company Current fault detection system and method for AC controller
US4914371A (en) * 1986-12-09 1990-04-03 Matsushita Electric Industrial Co., Ltd. Apparatus for controlling AC servo motor
AU2005264480B2 (en) * 2004-07-16 2008-06-26 Daikin Industries, Ltd. Air conditioner
JP4575483B2 (ja) * 2008-09-24 2010-11-04 ファナック株式会社 消費電力量および回生電力量を計算するサーボモータ駆動制御装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1150606A (en) * 1965-09-30 1969-04-30 Deputy Minister Of The Ministe Method and Circuit for Speed Control of Asynchronous Motors Fed by Static Frequency Convertors
US3543083A (en) * 1967-09-15 1970-11-24 Bendix Corp Method and means for providing a display of moving bands of light
US3577052A (en) * 1968-10-17 1971-05-04 David Elvis Bauer Ac motor control system with synchronous speed change
US3619749A (en) * 1969-10-06 1971-11-09 Reliance Electric Co Motor current control circuit utilizing real current component

Also Published As

Publication number Publication date
US3775651A (en) 1973-11-27
JPS4881028A (it) 1973-10-30
ES409685A1 (es) 1975-12-16
DE2261407A1 (de) 1973-06-28

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