TITLE

Drive design identifies weakest point

PUB. DATE
January 2000
SOURCE
Design Engineering;Jan2000, p7
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
Features the design of Hitachi HID's SJ300 AC variable speed drive. Design of both DC bus capacitor system and fans as modular subsystems; Identification of electrolytic capacitors and fans as weakest point in drive design. INSET: People..
ACCESSION #
2751226

 

Related Articles

  • The shifting sands of drive technology. Wilson, Dave // Design Engineering;Jul/Aug96, p28 

    Reviews state-of-the-art in sensorless flux vector design. Methods of flux vector control; Importance of the accuracy of the motor model.

  • Generate advanced PWM signals using 8-bit ...Cs. Copeland, Michael // EDN;02/03/2000, Vol. 45 Issue 3, p63 

    Focuses on space-vector modulation, a way to increase the performance of many types of variable-speed drives. Creation of sinusoidal voltages; Plotting of ideal maximum-magnitude output voltages; Generation of a sinusoidal line-to-neutral voltage and a nonsinusoidal phase voltage.

  • Gearing Up For The Future. Sorge, Marjorie // Automotive Industries;Jun99, Vol. 179 Issue 6, p15 

    Forecasts the trend in transmission speed of automobiles by the year 2002 conducted by Autofacts. Number of of five-speed assumed to produce by the year 20002; Developments made in the design of continuously variable transmissions; Some names of automakers which are using six-speed manuals.

  • A constant flow of energy savings.  // Engineered Systems;Dec95, Vol. 12 Issue 12, p34 

    Examines the variable-speed technology at Ball State University in Indiana. Installation of variable-speed drives on pumps; Linked air conditioned buildings via chilled-water loop; Use of the frame-mounted Technologic 1100 control system of Bell & Gossett.

  • AC Technology Corp. develops new variable-frequency drive.  // Air Conditioning, Heating & Refrigeration News;5/15/95, Vol. 195 Issue 3, p26 

    Informs about the development of a new variable-frequency drive (VFD) for efficient control of the speed of ac induction motors by AC Technology Corporation.

  • Inverters rev up small-motor drives. Marsh, David // EDN;05/11/2000, Vol. 45 Issue 10, p107 

    Focuses on design of small-motor-application inverters. Popularity of variable-speed drives for low-power applications in the home and for the light industry; Influence of motor construction on inverter design; Bipolar devices in low-power inverters; Ability of power-device process-technology...

  • Silence of the Drives. Bartos, Frank J. // Control Engineering;Jun2008, Vol. 55 Issue 6, p56 

    The article reports that adjustable-speed drives (ASDs) are great for saving energy and optimizing automation systems, but they produce high-frequency electrical noise, or electromagnetic interference (EMI), that must be minimized in the drive's design and installation to prevent degraded...

  • AC Drives Stay Vital for the 21st Century. Bartos, Frank J. // Design News;11/8/2004, Vol. 60 Issue 16, p73 

    Focuses on the evolution of alternating-current variable frequency drives (VFD) in the U.S. Description of VFD design from 1968 to 2004; Expected development of smaller, smarter, more efficient and cost-effective VFD.

  • Preventing Induced Electrical Damage. Oh, William // Air Conditioning, Heating & Refrigeration News;4/9/2007, Vol. 230 Issue 15, p14 

    The article reports on the challenge faced by system designers and engineers in reducing damages to alternating current (ac) motors from shaft current due to destructive voltages induced by variable-frequency drives (VFDs). Despite its inexpensiveness and high performance, FVDs are found to be...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics