BR8006823A - Circuito amortecedor de som - Google Patents

Circuito amortecedor de som

Info

Publication number
BR8006823A
BR8006823A BR8006823A BR8006823A BR8006823A BR 8006823 A BR8006823 A BR 8006823A BR 8006823 A BR8006823 A BR 8006823A BR 8006823 A BR8006823 A BR 8006823A BR 8006823 A BR8006823 A BR 8006823A
Authority
BR
Brazil
Prior art keywords
sound damping
damping circuit
circuit
sound
damping
Prior art date
Application number
BR8006823A
Other languages
English (en)
Portuguese (pt)
Inventor
Kahkipuro Matti
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.)
Filing date
Publication date
Application filed by Elevator Gmbh filed Critical Elevator Gmbh
Publication of BR8006823A publication Critical patent/BR8006823A/pt

Links

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)
BR8006823A 1979-10-24 1980-10-23 Circuito amortecedor de som BR8006823A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI793301A FI61252C (fi) 1979-10-24 1979-10-24 Ljuddaempningskrets foer tyristorstyrd elmotor

Publications (1)

Publication Number Publication Date
BR8006823A true BR8006823A (pt) 1981-04-28

Family

ID=8512981

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8006823A BR8006823A (pt) 1979-10-24 1980-10-23 Circuito amortecedor de som

Country Status (8)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI65692C (fi) * 1980-12-16 1984-06-11 Elevator Gmbh Foerbaettring vid tyristorriktardrift
FI69944C (fi) * 1984-06-27 1986-05-26 Kone Oy Saett att placera drosslar med luftkaerna
DE19732098A1 (de) * 1997-07-25 1999-01-28 Bosch Gmbh Robert Steuerschaltung für einen Gleichstrommotor
SE9704480L (sv) * 1997-08-25 1999-02-26 Kwang Ju Electronics Co Ltd Strömövertonsdämpningsanordning i en motor
DE19848728B4 (de) * 1998-10-22 2005-05-04 Abb Patent Gmbh Stromrichtergerät für eine Gleichstrommaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE724058C (de) * 1936-05-07 1942-08-17 Aeg Anordnung zur Daempfung der durch die Gesamtanlage im Umrichterbetrieb bedingten Schwingungen
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 (de) * 1973-08-04 1983-11-17 Brown, Boveri & Cie Ag, 6800 Mannheim Speiseschaltung für einen von einer ein- oder mehrphasigen Wechselstromquelle gespeisten Gleichstromverbraucher
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

Also Published As

Publication number Publication date
GB2061638B (en) 1983-09-01
SG23884G (en) 1985-01-04
DE3038714C2 (fi) 1991-01-24
FR2468248B1 (fi) 1985-05-03
FI793301A (fi) 1981-04-25
FI61252C (fi) 1982-06-10
FI61252B (fi) 1982-02-26
GB2061638A (en) 1981-05-13
DE3038714A1 (de) 1981-05-07
FR2468248A1 (fr) 1981-04-30
JPS5666193A (en) 1981-06-04
HK53884A (en) 1984-07-20

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19951023

B15K Others concerning applications: alteration of classification

Ipc: H02M 1/12 (2006.01)