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Variable Speed Drives

General Discussion Area on Variable Speed Drives. (NON Commercial Please!!)

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EMC

Discussions about EMC issues caused by VFDs

9 topics
5 replies

EDM

Electrical Discharge Machining of Motor bearings due to common mode voltages produced by VFDs.

3 topics
0 replies

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Topic	Stats	Last Post Info
V / F Control Of Three Phase Induction Motor Started by reVathi39BS, 21 Apr 2011	0 replies 3,554 views	reVathi39BS 21 Apr 2011
V / F Control Of Three Phase Induction Motor Started by reVathi39BS, 21 Apr 2011	0 replies 2,698 views	reVathi39BS 21 Apr 2011
VSDs on Flat Curve Pumps. Started by marke, 31 Jul 2006	6 replies 4,655 views	marke 18 Apr 2011
Expected Voltage Started by lesl, 27 Mar 2011	2 replies 2,690 views	AB2005 28 Mar 2011
Pcp Pumps Started by ABBdrives, 08 Oct 2010	2 replies 3,244 views	satins 26 Mar 2011
Current Limit Started by jigtic, 14 Mar 2011	3 replies 3,375 views	jOmega 18 Mar 2011
Dc Braking Started by rotomoulder, 09 Mar 2011	1 reply 2,588 views	jOmega 10 Mar 2011
Vfd For Compressor Started by rahuljadhav1, 19 Jun 2008	3 replies 4,454 views	marke 04 Mar 2011
Sensorless Vector Control In Vfd Started by SNS, 22 Apr 2007	3 replies 8,693 views	VSDman 28 Feb 2011
Anyone Familiar With Denfos Inverter? Started by AB2005, 15 Feb 2011	1 reply 2,674 views	Gigger 15 Feb 2011
DC chokes vs line reactors: Opinions? Started by jraef, 01 Aug 2006	9 replies 14,477 views	Dinge 15 Mar 2013
Help Me About Vacon Inverter Started by thanhnp1, 28 Jan 2011	1 reply 4,184 views	jOmega 01 Feb 2011
Reasons For Applying Vfd For The Ball Mill Started by Xalebor, 02 Dec 2010	4 replies 4,041 views	Xalebor 10 Dec 2010
Operating Above Nominal Frequency Started by ABBdrives, 13 Nov 2010	5 replies 4,126 views	jOmega 22 Nov 2010
Vfd Effect On Motor Efficiency Started by jraef, 27 Oct 2010	2 replies 3,865 views	marke 06 Nov 2010
Any One Familiar With Control Technique Drive Uni3405 Started by AB2005, 25 Oct 2010	4 replies 3,149 views	AB2005 28 Oct 2010
Any Expirience With Chiness Ld-harvest Vfd? Started by Igneous, 21 Oct 2010	2 replies 2,687 views	Igneous 28 Oct 2010
Type 2 Coordination For Vfd Started by farooqmali, 06 Oct 2010	0 replies 3,871 views	farooqmali 06 Oct 2010
Vfd Behavior Started by onyxgaze, 02 Oct 2010	1 reply 2,302 views	jOmega 04 Oct 2010
Abb Acs550 Drive Started by ABBdrives, 02 Oct 2010	0 replies 2,677 views	ABBdrives 02 Oct 2010
Capacitor Discharge Standard Started by kada, 24 Sep 2010	1 reply 2,408 views	jOmega 24 Sep 2010
In Line Contactor Started by lesl, 18 Sep 2010	3 replies 3,742 views	jOmega 22 Sep 2010
Unbalance Input Phase Current Started by ABBdrives, 06 Sep 2010	6 replies 5,348 views	jOmega 09 Sep 2010
Common Mode Noise From Vsd Started by chaterpilar, 21 May 2010	9 replies 5,358 views	ABBdrives 06 Sep 2010
BEARING/COMMON MODE current in PWM fed induction motors Started by eldhobaby, 12 Mar 2005	2 replies 2,665 views	ABBdrives 06 Sep 2010
Energy Conservation By Vfd Drive Started by surajkant, 11 Nov 2008	8 replies 4,321 views	GreenDriv 05 Sep 2010
Stopping An Ac Motor Connected With High Inertia Load Started by AB2005, 25 Aug 2010	4 replies 2,161 views	AB2005 02 Sep 2010
Control Cable Capacitance Compensation Started by Ravishanker, 14 Jul 2010	2 replies 2,468 views	AB2005 09 Aug 2010
Emergency Stop Controls For Vsd Started by munkey, 01 May 2009	2 replies 3,180 views	elmger 18 Jul 2010
Yaskawa Spindle Motor And Single Phase Started by integerspin, 30 Jun 2010	1 reply 2,751 views	jOmega 01 Jul 2010

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