By Topic

Grounding of AC and DC low-voltage and medium-voltage drive systems

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
J. C. Das ; Simons Eng. Inc., Atlanta, GA, USA ; R. H. Osman

The grounding of AC and DC motor drive systems should detect and clear ground faults both on the source and load side of the power converters. Most drive systems are separately derived through a step-down transformer, which serves as a drive isolation, as well as rectifier transformer. Isolation transformers on individual or group drive systems, downstream of main substation transformers are also common. An output isolation transformer on an AC drive will isolate the drive electronics, step up the AC voltage from the inverter section and also serve to control high line-to-ground voltages on the motor windings. The grounding system has a profound effect upon the continuity of operations, loading of the solid-state devices and common-mode voltages. This paper discusses the various possibilities of grounding of low-voltage and medium-voltage motor drive systems and shows that a high-resistance grounding system can be often implemented to permit continuity of operations, allow fault detection and limit the transient overvoltage

Published in:

IEEE Transactions on Industry Applications  (Volume:34 ,  Issue: 1 )