TITLE

Tips For More Effective VFD Maintenance

AUTHOR(S)
Polka, Dave
PUB. DATE
July 2001
SOURCE
EC&M Electrical Construction & Maintenance;Jul2001, Vol. 100 Issue 8, p62
SOURCE TYPE
Trade Publication
DOC. TYPE
Article
ABSTRACT
Offers tips on maintenance of variable frequency drives (VFD). Preventive maintenance program; Cleaning of VFD; Importance of keeping VFD dry; Connections.
ACCESSION #
4987159

 

Related Articles

  • Diagnosing adjustable speed drive `trip' problems. Mays, Mark // EC&M Electrical Construction & Maintenance;Jun97, Vol. 96 Issue 6, p42 

    Describes techniques in finding and solving repetitive shutdown of an installed adjustable speed drives (ASD). Effects of direct current bus overvoltage faults; Current overload faults; Ground fault protection relay tripping.

  • Troubleshooting VFDs. Frank, Paul // EC&M Electrical Construction & Maintenance;Apr2000, Vol. 99 Issue 4, p88 

    Presents a guide to troubleshooting variable frequency drives (VFD). Examination of the controller display; Most common causes of faulty operation in VFD applications; Temperature check. INSET: A Closer Check.

  • Maintaining Variable-Frequency Drives. Polka, Dave // Air Conditioning, Heating & Refrigeration News;06/04/2001, Vol. 213 Issue 5, p34 

    Focuses on the preventive maintenance program for the variable frequency drives of refrigeration machinery. Control of the operation of the induction motor; Removal of dust from the hardware; Prevention of circuit board corrosion. INSET: Retorquing: A Screwy Practice.

  • Troubleshooting PWM adjustable-frequency drives. Mitchell, John B. // Plant Engineering;Jan94, Vol. 48 Issue 1, p62 

    Presents technical advice on fixing pulse-width modulation (PWM) in alternating current (AC) motors. Adjustable-frequency drives (AFD); Potential causes of equipment malfunction; Need for care in ascertaining the actual cause of defect; Checklist for defects and remedial procedures.

  • Electrical Troubleshooting Quiz - October 21, 2014.  // Electrical Construction & Maintenance Exclusive Insight;10/21/2014, p4 

    The article presents a solution to a problem of variable speed drives used to enhance the motors at a production line unexpectedly stopping for no apparent reason, increasing the number of motor failures instead of decreasing them as initially planned.

  • Is Your VFD Clean, Dry, and Tight? Polka, Dave // Paper, Film & Foil CONVERTER (PFFC);Mar2002, Vol. 76 Issue 3, p62 

    Presents steps in maintaining variable-frequency drives. Ways to keep the drives clean; Protection of the drives from moisture; Importance of checking the drives' connections; Inspection of direct current bus capacitors.

  • Why do drives fail?  // Plant & Works Engineering;Nov2015, Issue 401, p28 

    The article discusses the solutions of the failure of modern variable-speed drives (VSDs). It states the need of the VSDs to be kept dry to avoid dust from impeding the air-flow of drives. It notes the need of a program of preventive maintenance such as annual inspections. It mentions the...

  • Energy-efficient motors: Are they really more efficient? Skaer, Mark // Air Conditioning, Heating & Refrigeration News;4/10/95, Vol. 194 Issue 15, p29 

    Focuses on the efficiency of energy-efficient motors. Bearings; Applications; Design and standardization issues; Vibration energy; Study results; Power unbalances.

  • Does bigger motor improve efficiency? Simon, Neil // Air Conditioning Heating & Refrigeration News;8/28/95, Vol. 195 Issue 18, p28 

    States that the use of a bigger electric motor for an application that requires a smaller one will not improve the efficiency of the application. Importance of matching the motor to the application.

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