GB2061638B - Sound deadening circuit of a thyristor-controlled electric motor system - Google Patents

Sound deadening circuit of a thyristor-controlled electric motor system

Info

Publication number: GB2061638B
Authority: GB; United Kingdom
Prior art keywords: thyristor; electric motor; motor system; sound deadening; controlled electric
Prior art date: 1979-10-24
Legal status (The legal status 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 status listed.): Expired

Application number

GB8033531A

Other versions

GB2061638A (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Elevator GmbH

Original Assignee

Elevator GmbH

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.)

1979-10-24

Filing date

1980-10-17

Publication date

1983-09-01

1980-10-17 Application filed by Elevator GmbH filed Critical Elevator GmbH

1981-05-13 Publication of GB2061638A publication Critical patent/GB2061638A/en

1983-09-01 Application granted granted Critical

1983-09-01 Publication of GB2061638B publication Critical patent/GB2061638B/en

Status Expired legal-status Critical Current

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
- H02M1/12—Arrangements for reducing harmonics from AC input or output

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Control Of Direct Current Motors (AREA)
Control Of Ac Motors In General (AREA)

GB8033531A 1979-10-24 1980-10-17 Sound deadening circuit of a thyristor-controlled electric motor system Expired GB2061638B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI793301A FI61252C (en)	1979-10-24	1979-10-24	LJUDDAEMPNINGSKRETS FOER TYRISTORSTYRD ELMOTOR

Publications (2)

Publication Number	Publication Date
GB2061638A GB2061638A (en)	1981-05-13
GB2061638B true GB2061638B (en)	1983-09-01

Family

ID=8512981

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8033531A Expired GB2061638B (en)	1979-10-24	1980-10-17	Sound deadening circuit of a thyristor-controlled electric motor system

Country Status (8)

Country	Link
JP (1)	JPS5666193A (en)
BR (1)	BR8006823A (en)
DE (1)	DE3038714A1 (en)
FI (1)	FI61252C (en)
FR (1)	FR2468248A1 (en)
GB (1)	GB2061638B (en)
HK (1)	HK53884A (en)
SG (1)	SG23884G (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI65692C (en) *	1980-12-16	1984-06-11	Elevator Gmbh	FOERBAETTRING VID TYRISTORRIKTARDRIFT
FI69944C (en) *	1984-06-27	1986-05-26	Kone Oy	SAETT ATT PLACERA DROSSLAR MED LUFTKAERNA
DE19732098A1 (en) *	1997-07-25	1999-01-28	Bosch Gmbh Robert	Control circuit for a DC motor
SE9704480L (en) *	1997-08-25	1999-02-26	Kwang Ju Electronics Co Ltd	Current harmonic damping device in a motor
DE19848728B4 (en) *	1998-10-22	2005-05-04	Abb Patent Gmbh	Converter device for a DC machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE724058C (en) *	1936-05-07	1942-08-17	Aeg	Arrangement for damping the vibrations caused by the entire system in converter operation
GB1411440A (en) *	1972-11-16	1975-10-22	Bailey A R	Control systems for direct current traction motors
US3821628A (en) *	1973-05-21	1974-06-28	Westinghouse Electric Corp	Elevator system
DE2339576C2 (en) *	1973-08-04	1983-11-17	Brown, Boveri & Cie Ag, 6800 Mannheim	Feed circuit for a direct current consumer fed by a single or multi-phase alternating current source
JPS5125251A (en) *	1974-08-27	1976-03-01	Mitsubishi Electric Corp	Erebeeta no seigyosochi
US3987356A (en) *	1975-06-23	1976-10-19	General Electric Company	Controlled capacitive filter for active loads

1979
- 1979-10-24 FI FI793301A patent/FI61252C/en not_active IP Right Cessation
1980
- 1980-10-14 DE DE19803038714 patent/DE3038714A1/en active Granted
- 1980-10-17 GB GB8033531A patent/GB2061638B/en not_active Expired
- 1980-10-23 BR BR8006823A patent/BR8006823A/en not_active IP Right Cessation
- 1980-10-24 FR FR8022756A patent/FR2468248A1/en active Granted
- 1980-10-24 JP JP14845380A patent/JPS5666193A/en active Pending
1984
- 1984-03-16 SG SG23884A patent/SG23884G/en unknown
- 1984-07-12 HK HK53884A patent/HK53884A/en unknown

Also Published As

Publication number	Publication date
DE3038714A1 (en)	1981-05-07
FI61252C (en)	1982-06-10
FI61252B (en)	1982-02-26
JPS5666193A (en)	1981-06-04
GB2061638A (en)	1981-05-13
FR2468248B1 (en)	1985-05-03
FR2468248A1 (en)	1981-04-30
BR8006823A (en)	1981-04-28
SG23884G (en)	1985-01-04
FI793301A (en)	1981-04-25
HK53884A (en)	1984-07-20
DE3038714C2 (en)	1991-01-24

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Legal Events

Date	Code	Title	Description
1997-06-04	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19961017