Forum : Electrical Engineering

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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
05/13/2013 1:41 PM Electrical Inverter by Anonymous Poster	Last post: 05/15/2013 10:45 AM by leveles	6	179
05/14/2013 5:44 AM Bosch Rexroth Frequency Converter Fe by mitey	Last post: 05/15/2013 10:33 AM by electronick	7	337
05/12/2013 9:21 AM Proportional Derivative Controller by AA039	Last post: 05/15/2013 9:50 AM by leveles	3	101
05/07/2013 10:33 PM VFD for Grinding Machine Motor by Rooney	Last post: 05/15/2013 2:18 AM by Rooney	6	454
04/26/2013 10:22 PM Substation Insulated Floor Mat by Yasser	Last post: 05/15/2013 12:10 AM by Tornado	13	321
04/30/2013 2:06 PM Motor Unbalance Current by Anonymous Poster	Last post: 05/14/2013 11:56 PM by electricalexpert65	6	765
05/02/2013 1:25 PM Ungrounded 12,470V System - Requirements by live2learn	Last post: 05/14/2013 11:40 PM by electricalexpert65	12	232
05/02/2013 8:51 PM Fault Level in Transformer with OLTC by ajayjohn321	Last post: 05/14/2013 11:39 PM by electricalexpert65	7	244
05/10/2013 9:34 AM Response of Over Voltage & Over Frequency Relay by Anonymous Poster	Last post: 05/14/2013 7:19 PM by leveles	9	207
08/02/2010 12:42 AM Can I Run an Alternator with Electrical Motor? by bsnegi91	Last post: 05/14/2013 5:48 PM by JRaef	21	2140
05/09/2013 3:42 PM The Unexpected III -Motors in a Fertilizer Plant by juan J. Isdray	Last post: 05/14/2013 2:21 PM by juan J. Isdray	15	347
03/27/2013 11:24 AM Continous, Intermittent and Standby Loads; Demand Factors? by wael82	Last post: 05/14/2013 11:45 AM by wael82	4	939
05/07/2013 2:18 AM Fault Duration For Ground Conductor Sizing by Anonymous Poster	Last post: 05/14/2013 4:53 AM by Anonymous Poster	10	558
05/11/2013 9:18 AM Electrical and Instrument Cable by Anonymous Poster	Last post: 05/14/2013 3:05 AM by 7anoter4	6	162
05/06/2013 10:07 AM Electrical Draw Out by Anonymous Poster	Last post: 05/14/2013 12:04 AM by electricalexpert65	6	339
04/30/2013 9:09 AM Form Factor by ravi142857	Last post: 05/13/2013 8:29 AM by electricalexpert65	5	109
05/07/2013 10:12 AM Testing Isulation Resistance by selimo	Last post: 05/13/2013 8:27 AM by electricalexpert65	11	150
05/09/2013 11:07 PM Three Phase Generator Fails to Produce Power by aishaamadumamariama	Last post: 05/13/2013 8:14 AM by PWSlack	10	354
05/10/2013 6:19 AM Under Voltage and Over Voltage Relay by Muthuvel	Last post: 05/13/2013 8:14 AM by electricalexpert65	3	232
05/11/2013 10:15 AM Motor Contactors by Anonymous Poster	Last post: 05/13/2013 8:07 AM by electricalexpert65	5	178
05/09/2013 1:13 AM Fire Hazardous Areas/Places Related With Electrical by Signode	Last post: 05/13/2013 8:02 AM by Phys	17	283
05/02/2013 4:21 AM Help with Electrical Diagram by Anonymous Poster	Last post: 05/11/2013 10:47 AM by cb-taylor59	7	217
05/08/2013 1:04 PM Battery Ah by prashanthng	Last post: 05/10/2013 12:19 PM by cuba_pete	8	189
05/09/2013 7:13 AM IEC Standard Test Procedure for L.V MCCB & Air Circuit Breaker by Anonymous Poster	Last post: 05/10/2013 12:00 AM by electricalexpert65	2	221
05/07/2013 7:50 PM Solar Silent Assisted Power Generation - Is It Working? Vote Now. by dvmdsc	Last post: 05/09/2013 12:49 PM by dvmdsc	22	286
05/07/2013 11:52 AM LED Lights for Stadium Flood Lighting by Rooney	Last post: 05/09/2013 10:09 AM by bob c	21	427
05/08/2013 11:44 AM Running the Tray Parallel by Anonymous Poster	Last post: 05/09/2013 9:22 AM by 7anoter4	15	289
04/22/2013 1:47 AM How to Calculate Winding Temperature in Transformer? by Kudzanai	Last post: 05/09/2013 3:05 AM by Anonymous Poster	13	937
04/30/2013 2:54 PM Protection Circuit? by Anonymous Poster	Last post: 05/09/2013 2:27 AM by gmphadte	14	346
04/30/2013 11:09 AM How to Create a "Dirty" 120 VAC Signal? by TommyTech	Last post: 05/09/2013 2:25 AM by gmphadte	11	336
05/06/2013 12:24 PM Washer Motor by jose claudio	Last post: 05/09/2013 1:33 AM by Horizon3	10	214
05/08/2013 11:42 AM Ignition by Anonymous Poster	Last post: 05/08/2013 10:49 PM by SolarEagle	6	155
05/08/2013 2:22 AM Surge Arrestor in Panels by prashanthng	Last post: 05/08/2013 4:52 PM by dvmdsc	4	278
05/07/2013 8:01 AM Post DGA of Generator Transformer after Fire by akpanda74	Last post: 05/08/2013 10:34 AM by dhgrant	3	220
05/07/2013 11:57 AM Checks for Vacumn Circuit Breakers by Rooney	Last post: 05/07/2013 3:58 PM by RAMConsult	5	179
05/02/2013 12:09 PM How To Convert Mechanical Force To Electrical Force In Generator? by awaiscnpp	Last post: 05/07/2013 2:29 PM by sivaa	8	270
05/02/2013 9:58 AM Reversal of Field Connections by ravi142857	Last post: 05/07/2013 10:21 AM by Andy Germany	33	904
05/06/2013 5:13 AM What is the Maximum No Load Current % in Transformers? by Kudzanai	Last post: 05/07/2013 4:06 AM by Kudzanai	2	143
05/06/2013 2:52 PM ONEAC MICRO MATE Company by Anonymous Poster	Last post: 05/06/2013 5:39 PM by Anonymous Poster	2	138
05/03/2013 10:09 PM Heidi Doe De Doe/ My Silicon based petroleum/Adams by Heidi Etchey	Last post: 05/06/2013 1:57 PM by PeterT	22	312
05/01/2013 1:22 PM NPN to PNP by jcwelch111	Last post: 05/06/2013 8:26 AM by JRiversW	6	399
05/02/2013 7:17 AM Braking Resistors by Anonymous Poster	Last post: 05/06/2013 12:40 AM by debata07	16	446
05/04/2013 10:10 AM Testing Amps by Jazzman	Last post: 05/05/2013 8:21 PM by jmueller	30	372
05/03/2013 3:38 AM Temperature Sensors for VFD by Atul Chahure	Last post: 05/05/2013 12:31 AM by Rajesh1984	9	644
04/30/2013 12:03 PM Synchronisation of Generator by ravi142857	Last post: 05/03/2013 5:34 PM by RAMConsult	11	264
04/29/2013 2:46 PM Motor Identification by Anonymous Poster	Last post: 05/02/2013 4:59 PM by lyn	3	142
05/01/2013 10:47 AM Sine Wave/Periodic/Variable Frequency Power by anijher	Last post: 05/02/2013 4:36 PM by anijher	12	283
04/27/2013 6:38 AM Panel Sizing Query by Anonymous Poster	Last post: 05/02/2013 3:06 PM by jack of all trades	13	277
05/01/2013 4:47 AM Reactance Measurement by Anonymous Poster	Last post: 05/02/2013 2:10 PM by marcot	11	316
03/20/2013 6:40 AM Maximum Demand Calculation by Anonymous Poster	Last post: 05/02/2013 1:32 PM by Anonymous Poster	14	1901
04/30/2013 8:47 AM If Power Increase What Increase First Prime Mover Power or Excitation by awaiscnpp	Last post: 05/02/2013 4:16 AM by binod panthee	4	113
04/17/2013 8:04 AM Current Drawn By A Motor When Starting Via A Variable Frequency Drive by minu	Last post: 05/02/2013 3:57 AM by Zaf	5	416
04/22/2010 10:30 AM How to Calculate Capacitor Required to Compensate Given KVAR? by dhanesh.koshti	Last post: 05/01/2013 1:18 PM by atulkumar660	8	1669
04/30/2013 2:26 PM Motor Bearings by Anonymous Poster	Last post: 05/01/2013 1:12 PM by SHOCKHISCAN	4	275
04/30/2013 11:09 AM Mechanical Lugs for Medium Voltage? by RonCu	Last post: 05/01/2013 4:11 AM by IQ	3	182
04/29/2013 3:48 PM HI Sound Level of Dry Type Transformer by Progressive	Last post: 04/30/2013 8:20 PM by jmueller	24	329
04/25/2013 9:42 PM Identifying an Unknown Motor by alpha	Last post: 04/30/2013 4:22 PM by Spinco	23	419
04/22/2013 9:06 PM Motor with Space Heater and Winding Temperature Monitoring by lovekobelxm	Last post: 04/30/2013 1:55 PM by juan J. Isdray	4	726
04/28/2013 5:06 AM Leakage Voltage Across the Medium Voltage SCR in "OFF" State by Progressive	Last post: 04/30/2013 9:47 AM by JRaef	23	687
04/24/2013 4:53 AM Generator Synchronising Panel by Muthuvel	Last post: 04/30/2013 2:34 AM by prashanthng	10	189
04/18/2013 2:32 PM Drawout Type MCCB by Anonymous Poster	Last post: 04/30/2013 12:00 AM by nick.mapun	14	513
04/24/2013 3:11 PM Switchroom in Fertilizer Industries by juan J. Isdray	Last post: 04/29/2013 1:10 PM by juan J. Isdray	9	244
04/26/2013 7:27 PM Inrush Current and Stating Current of Motor by Anonymous Poster	Last post: 04/29/2013 8:59 AM by debata07	6	954
04/23/2013 1:18 PM Charging Batteries by ronseto	Last post: 04/29/2013 7:56 AM by Andy Germany	23	478
04/25/2013 6:11 PM STCS2 Power Supply by conntaxman	Last post: 04/28/2013 8:26 AM by Winfield Hill	6	302
04/26/2013 11:45 PM Annuciator LCD Monitor by Anonymous Poster	Last post: 04/27/2013 2:24 PM by lyn	4	198
04/25/2013 12:34 PM Processor Dropping Program by MattJohnson	Last post: 04/26/2013 11:43 AM by JRaef	2	158
04/25/2013 2:12 AM Fire Rated Wall Between Transformers by Muthuvel	Last post: 04/26/2013 7:53 AM by electricalexpert65	7	948
06/09/2010 12:16 AM High Voltage Safety Rules and Regulations by HHung	Last post: 04/25/2013 11:29 AM by Yasser	6	276
04/23/2013 6:04 AM Aluminum Wired Fan vs. Copper Wired Fan by Signode	Last post: 04/25/2013 1:34 AM by Signode	10	1137
04/23/2013 2:59 AM 20 kV Delta System by Local_Eng	Last post: 04/23/2013 11:53 PM by Local_Eng	4	184
04/20/2013 3:06 PM DC Motors by tushar_ggn	Last post: 04/23/2013 5:28 PM by 67model	21	181
04/22/2013 6:28 AM Differential Protection for Unearthed 4 Winding Transformers by namah1984	Last post: 04/23/2013 1:39 PM by SHOCKHISCAN	2	227
04/17/2013 10:45 PM IP - Ingress Protection by whenichi	Last post: 04/23/2013 5:11 AM by electricalexpert65	11	207
04/05/2013 11:49 PM IR and PI Tests by ponkosur	Last post: 04/22/2013 11:51 PM by ponkosur	4	145
04/21/2013 11:02 PM Current Calculating Question by wdy 1	Last post: 04/22/2013 11:19 PM by dvmdsc	11	186
04/20/2013 11:41 AM Grounding of 1C Unarmored Cable by mohsinhamid	Last post: 04/22/2013 10:55 PM by Sapper	10	245
04/19/2013 1:03 PM Water Flow Control by V S Reddy	Last post: 04/22/2013 4:20 PM by tim.conklin	13	289
04/21/2013 12:25 AM High Leakage Transformer by Marzoky	Last post: 04/22/2013 10:21 AM by Marzoky	10	179
04/22/2013 1:56 AM Power and Voltage Transmission by Anonymous Poster	Last post: 04/22/2013 10:13 AM by lyn	4	136
04/11/2013 12:32 AM 220 Vac Supply by erlo	Last post: 04/22/2013 8:45 AM by Anonymous Poster	8	166
04/17/2013 8:06 AM Transformer Differential and REF Protection by biswanath.das	Last post: 04/22/2013 5:53 AM by Anonymous Poster	5	258
06/06/2011 8:25 PM How to Calculate Transformer Temperature Rise by Anonymous Poster	Last post: 04/22/2013 2:09 AM by Kudzanai	16	5016
04/21/2013 10:31 AM LCI & Cycloconverters by lakhbir singh	Last post: 04/21/2013 12:09 PM by JRaef	2	111
04/16/2013 8:06 PM Source for 24vdc Hack by velisj	Last post: 04/21/2013 9:53 AM by Deefburger	32	499
04/14/2013 12:17 PM UPS Problem by lalit_nawada	Last post: 04/21/2013 12:45 AM by lalit_nawada	12	282
04/20/2013 10:44 AM One Single Phase kWh Meter to Measure 3 Phase Power by Anonymous Poster	Last post: 04/20/2013 12:03 PM by tcmtech	2	145
04/17/2013 7:04 PM Earthing Electrode No. Calculation by margani	Last post: 04/20/2013 4:56 AM by 7anoter4	6	176
04/16/2013 6:33 PM LED Dimming by Kcoola	Last post: 04/19/2013 11:43 AM by ci139	17	432
04/19/2013 7:57 AM Unbalanced Standard - ETAP by Anonymous Poster	Last post: 04/19/2013 11:08 AM by Tornado	1	243
04/15/2013 1:16 AM Modular Blocks for PLC Applications by dvmdsc	Last post: 04/19/2013 10:18 AM by vsar	11	204
05/21/2012 2:48 PM MCB Energy Limiting Class by coolyaar	Last post: 04/19/2013 1:42 AM by alnashadh	11	2444
04/17/2013 12:59 AM Motor Starting Current by Muthuvel	Last post: 04/18/2013 11:59 PM by 7anoter4	8	545
03/14/2013 8:28 PM 400A Feed to Rotating Building, NFPA 70E Compliant? by EV1guy2004	Last post: 04/18/2013 10:32 PM by devitg	16	446
04/17/2013 12:40 AM Why CB Should Not Include Instantaneous Setting? by vandie	Last post: 04/18/2013 8:41 AM by PeterT	5	353
04/17/2013 2:33 PM Reliability by K Jack	Last post: 04/18/2013 4:39 AM by nick name	4	163
06/24/2010 4:48 AM Heavy Load on Low Power Supply by shahnawaz ansari	Last post: 04/18/2013 3:10 AM by shahnawaz ansari	12	250
04/17/2013 6:28 AM Cable Sizing by Nald	Last post: 04/18/2013 2:08 AM by nobodysomebody47	8	201
04/17/2013 4:46 AM Jam Protection by vandie	Last post: 04/17/2013 8:37 PM by vandie	3	516
04/16/2013 10:38 PM Busbar Fault by Anonymous Poster	Last post: 04/17/2013 3:57 PM by jack of all trades	5	162

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