IT1096435B - Circuito di controllo per motori a corrente alternata - Google Patents

Circuito di controllo per motori a corrente alternata

Info

Publication number: IT1096435B
Authority: IT; Italy
Prior art keywords: motors; control circuit; circuit; control
Prior art date: 1977-06-03

Application number

IT24116/78A

Other languages

English (en)

Other versions

IT7824116A0 (it

Original Assignee

Grundfos As

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.)

1977-06-03

Filing date

1978-06-01

Publication date

1985-08-26

1978-06-01 Application filed by Grundfos As filed Critical Grundfos As

1978-06-01 Publication of IT7824116A0 publication Critical patent/IT7824116A0/it

1985-08-26 Application granted granted Critical

1985-08-26 Publication of IT1096435B publication Critical patent/IT1096435B/it

Links

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
- H02P27/02—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude

Landscapes

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

IT24116/78A 1977-06-03 1978-06-01 Circuito di controllo per motori a corrente alternata IT1096435B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DK246577A DK246577A (da)	1977-06-03	1977-06-03	Vekselstroemsmotor

Publications (2)

Publication Number	Publication Date
IT7824116A0 IT7824116A0 (it)	1978-06-01
IT1096435B true IT1096435B (it)	1985-08-26

Family

ID=8112563

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT24116/78A IT1096435B (it)	1977-06-03	1978-06-01	Circuito di controllo per motori a corrente alternata

Country Status (9)

Country	Link
US (1)	US4233551A (it)
JP (1)	JPS5439823A (it)
DE (1)	DE2821869A1 (it)
DK (1)	DK246577A (it)
FR (1)	FR2393463A1 (it)
GB (1)	GB1576206A (it)
IT (1)	IT1096435B (it)
NL (1)	NL7805991A (it)
SE (1)	SE7806382L (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1270136A (en) *	1968-08-15	1972-04-12	Nicholas Charl De Villiers	Polyphase alternating current frequency changer
US3703672A (en) *	1970-05-05	1972-11-21	Nat Res Dev	Three-phase induction-motor, speed-changing method and control circuit
US4070605A (en) *	1974-08-08	1978-01-24	Mcneil Corporation	Polyphase power control

1977
- 1977-06-03 DK DK246577A patent/DK246577A/da not_active Application Discontinuation
1978
- 1978-05-11 GB GB18966/78A patent/GB1576206A/en not_active Expired
- 1978-05-19 DE DE19782821869 patent/DE2821869A1/de not_active Withdrawn
- 1978-05-31 SE SE7806382A patent/SE7806382L/xx unknown
- 1978-06-01 IT IT24116/78A patent/IT1096435B/it active
- 1978-06-01 NL NL7805991A patent/NL7805991A/xx not_active Application Discontinuation
- 1978-06-01 US US05/911,511 patent/US4233551A/en not_active Expired - Lifetime
- 1978-06-02 JP JP6584578A patent/JPS5439823A/ja active Pending
- 1978-06-02 FR FR7816509A patent/FR2393463A1/fr active Granted

Also Published As

Publication number	Publication date
FR2393463A1 (fr)	1978-12-29
FR2393463B3 (it)	1981-02-06
US4233551A (en)	1980-11-11
SE7806382L (sv)	1978-12-04
GB1576206A (en)	1980-10-01
DE2821869A1 (de)	1978-12-14
NL7805991A (nl)	1978-12-05
IT7824116A0 (it)	1978-06-01
JPS5439823A (en)	1979-03-27
DK246577A (da)	1978-12-04

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