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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
05/17/2017 9:03 AM Earthing by Anonymous Poster	Last post: 05/22/2017 6:28 PM by Dennis R. Levesque	22	444
05/21/2017 7:51 PM Help: Can this Transformer Handle a 50 AMP Outlet? by tlahokulia	Last post: 05/22/2017 4:39 PM by Tornado	14	332
05/18/2017 10:04 AM Carbon Formation at Contactor Point by ram kiran	Last post: 05/22/2017 10:08 AM by James Stewart	23	1063
05/20/2017 2:25 PM Tele Protection 04 Commands by Anonymous Poster	Last post: 05/21/2017 2:45 PM by PWSlack	1	182
05/20/2017 3:47 AM I Need to Understand Final Subcircuit by Techgenius	Last post: 05/20/2017 9:59 AM by Rixter	5	1050
08/21/2011 2:07 AM Polarity Checking Of 6 Lead 3Ph Induction Motor by shefiqka	Last post: 05/20/2017 3:00 AM by Aritra Sinha	12	3437
05/16/2017 7:16 PM 3Phase Transformer Connection Selection by Rscott9399	Last post: 05/18/2017 12:14 PM by rwilliams	16	314
05/16/2017 3:31 AM Multisource Ground Fault for MTTTTTTM Switchgear by Anonymous Poster	Last post: 05/16/2017 1:32 PM by James Stewart	7	255
05/11/2017 11:14 AM Generator Testing by coolyaar	Last post: 05/16/2017 10:49 AM by James Stewart	38	571
05/13/2017 11:48 AM Load Flow Software by sunil_mahto	Last post: 05/16/2017 9:16 AM by James Stewart	7	339
05/15/2017 8:06 AM Transformers by Brown Sebastian	Last post: 05/16/2017 9:08 AM by James Stewart	16	362
05/07/2017 10:42 PM Residential Wiring by Anonymous Poster	Last post: 05/15/2017 3:48 PM by jack of all trades	58	1195
05/13/2017 2:34 AM TV Screen Flickers When Turning on Fan in the Hall by soon1	Last post: 05/15/2017 12:20 PM by SolarEagle	13	1031
05/12/2017 9:36 AM CVT by kasrop	Last post: 05/15/2017 11:07 AM by PeterT	5	386
05/13/2017 10:10 AM Step Up Transformer by Brown Sebastian	Last post: 05/15/2017 5:15 AM by Brown Sebastian	10	341
05/11/2017 1:54 AM RCCB Tripping After Change of Supply by Anonymous Poster	Last post: 05/14/2017 3:25 PM by 67model	11	1367
04/22/2017 12:00 AM Definition of Terms by deanpavil	Last post: 05/14/2017 12:36 AM by Andrew Westman	13	468
04/22/2017 6:10 AM Automatic Transfer Switch by Sankalp Mathur	Last post: 05/10/2017 12:07 PM by James Stewart	5	361
04/13/2017 2:22 PM Transformer Inrush Current by Richard Matsiko	Last post: 05/10/2017 6:02 AM by Alanvaderi	8	487
03/07/2017 4:50 AM Number of Holes for Busbar / Cable Termination on Product by Jignesh Shah	Last post: 05/10/2017 3:57 AM by Alanvaderi	9	501
04/29/2017 6:57 AM Circuit Breakers Question by Rabaacca	Last post: 05/10/2017 2:05 AM by Alanvaderi	24	593
12/09/2009 6:49 AM Sizing a Circuit Breaker by Anonymous Poster	Last post: 05/09/2017 10:35 AM by dhayanandhan	5	519
12/13/2016 10:08 AM Model GE 752 Shunt Standard Torque by smontana	Last post: 05/08/2017 5:26 PM by rwilliams	9	292
05/03/2017 1:50 AM How to Identify 3 Phase Energy Meter Multiply Factor by mukeshkumar5609	Last post: 05/08/2017 4:12 PM by James Stewart	15	1025
05/07/2017 1:19 PM VRF System by Anonymous Poster	Last post: 05/08/2017 11:33 AM by James Stewart	2	307
05/05/2017 12:16 PM ISC for IEEE 519 by smontana	Last post: 05/06/2017 3:31 AM by 7anoter4	11	344
02/27/2017 4:09 AM Advanced Lightning Protection System by Anonymous Poster	Last post: 05/04/2017 4:48 PM by rwilliams	9	299
04/30/2017 2:22 AM LC Filter for Three Phase & Single Phase Thyristor DC Converter by pssdeepak	Last post: 05/02/2017 3:22 AM by PWSlack	13	702
04/27/2017 12:59 AM IGBT Failure by sahan.samaranayake	Last post: 05/01/2017 1:51 AM by sahan.samaranayake	11	392
04/24/2017 7:01 AM Problem Transmission Line in ETAP by muhammadhamdy	Last post: 04/30/2017 10:48 AM by 7anoter4	10	1256
04/27/2017 10:36 AM UL508A 3 Phase Color Code? by Rscott9399	Last post: 04/28/2017 8:44 AM by Phys	26	2584
04/26/2017 2:18 PM PT Connection by coolyaar	Last post: 04/28/2017 4:20 AM by 7anoter4	8	391
11/04/2008 10:07 AM Polar-Mohr Guillotine by Tom Sweeney	Last post: 04/25/2017 6:22 PM by cuadra	54	4287
09/10/2016 8:30 AM Bus Tie Duct Voltage drop by uhammad Atif Irshad	Last post: 04/25/2017 1:39 PM by welderman	30	456
04/20/2017 10:42 AM Analog Input on CPU by brandoncosta	Last post: 04/24/2017 11:08 AM by James Stewart	15	444
04/21/2017 2:02 PM Effect of Power Factor Correction in Fuel Consumption by Mogtaba elkhider	Last post: 04/24/2017 9:13 AM by James Stewart	11	1302
11/21/2012 5:39 AM What is the Normal Current Through NGR of 25 MW, 11 KV TG Set by satendrakumart	Last post: 04/24/2017 7:38 AM by Anonymous Poster	9	253
03/17/2017 12:40 AM Controlling Voltage and Phase Given Variable Source by gutmonarch	Last post: 04/22/2017 11:56 AM by Andrew Westman	8	299
04/20/2017 3:18 AM Shear Pin Relay by Anonymous Poster	Last post: 04/21/2017 4:23 PM by snowboy	13	466
04/19/2017 2:48 AM AVR Interrupt Service Routine Not Executing as Fast as Expected by zxcvb	Last post: 04/21/2017 9:38 AM by James Stewart	17	527
04/19/2017 11:53 PM Current Unbalance in Motor When Connected to Siemens Masterdrive by nasr baloch	Last post: 04/20/2017 11:32 AM by James Stewart	4	343
04/13/2017 3:40 AM Transformer Inrush Tripping by roykav	Last post: 04/19/2017 10:40 PM by roykav	14	343
09/03/2011 6:01 AM Leading Power Factor Problem by krishnamraju	Last post: 04/19/2017 12:21 PM by M B S AGARWAL	29	2231
04/15/2017 9:25 AM Siemens Bus Bar Protection 7SS5.. by Richard Matsiko	Last post: 04/18/2017 11:00 AM by rwilliams	2	364
01/23/2011 10:40 PM Capacitor Bank by sandeep.kv	Last post: 04/16/2017 11:43 AM by dhayanandhan	18	497
04/13/2017 10:21 AM Generator Bus PT by coolyaar	Last post: 04/15/2017 11:14 AM by 7anoter4	9	778
04/13/2017 8:28 AM % Xd to Ohms by smontana	Last post: 04/15/2017 12:43 AM by 7anoter4	16	860
04/13/2017 10:06 AM Zero Sequence CT by coolyaar	Last post: 04/14/2017 1:12 PM by rwilliams	13	497
04/12/2017 1:52 AM 400kV Voltage Transformer Testing by pansal	Last post: 04/13/2017 4:41 PM by rwilliams	4	318
04/08/2017 6:08 AM ACS850 VFD Reference Meet Problem by AA039	Last post: 04/12/2017 4:12 PM by rwilliams	28	599
04/10/2017 7:43 AM Short Circuit Protection by Anonymous Poster	Last post: 04/12/2017 12:34 AM by Anonymous Poster	10	378
04/08/2017 11:16 PM VFD Output by Anonymous Poster	Last post: 04/10/2017 1:44 PM by James Stewart	4	269
04/01/2017 4:42 PM How to Calculate Positive and Zero-Sequence Resistance and Reactance? by esbolpro	Last post: 04/10/2017 12:52 PM by 7anoter4	7	1099
04/07/2017 5:23 AM Calculating KVA by John365	Last post: 04/09/2017 9:11 AM by Codemaster	18	546
04/06/2017 3:11 PM Capability Curve 3512C by smontana	Last post: 04/09/2017 4:44 AM by 7anoter4	5	464
04/07/2017 4:26 AM HVC by luyombya	Last post: 04/08/2017 12:00 AM by tonyhemet	8	355
04/05/2017 5:35 PM Contactor Relay Coil Current Requirements by wannabecontroller	Last post: 04/07/2017 3:18 PM by wannabeControlguy	19	533
03/31/2017 11:59 AM Short Circuit Current by kasrop	Last post: 04/07/2017 10:41 AM by RAMConsult	14	451
04/05/2017 12:21 AM Problem in Kollmorgen Servo Drive Servostar 620 by Signode	Last post: 04/06/2017 3:05 PM by Crabtree	4	349
04/05/2017 11:53 PM Computing DC Link Parameters by Anonymous Poster	Last post: 04/06/2017 12:14 AM by jack of all trades	1	304
04/01/2017 2:13 PM Shielded vs Unshielded Cable for VFDs by Rscott9399	Last post: 04/05/2017 2:02 AM by JRaef	16	1609
03/07/2017 4:51 AM Different Types Of Factors in LV System by Jignesh Shah	Last post: 04/04/2017 6:16 PM by Anonymous Poster	7	376
04/02/2017 9:51 AM Error in Amplifier Circuit Input 60v by trungsave96	Last post: 04/04/2017 12:03 PM by toilet busy light	20	392
04/03/2017 6:08 AM Type Of Sensor Selection by Anonymous Poster	Last post: 04/04/2017 3:18 AM by TonyS	10	328
03/23/2017 10:56 AM Safety Relay by wannabecontroller	Last post: 04/01/2017 3:27 PM by Rscott9399	27	317
03/25/2017 11:03 PM Laptop Battery Life by gutmonarch	Last post: 04/01/2017 11:07 AM by dkwarner	28	1166
06/25/2012 1:19 PM Semiconductor Fuses Are Blowing Frequently by pstanwar9229	Last post: 04/01/2017 4:52 AM by Cork	14	1111
04/10/2014 8:40 AM Low Voltage Door Closed Light by firemn	Last post: 03/30/2017 4:42 AM by toilet busy light	54	663
03/27/2017 8:10 AM Control of Three Pumps Using Ladder Logic by Anonymous Poster	Last post: 03/30/2017 12:46 AM by Anonymous Poster	25	1988
03/15/2017 6:08 AM How To Interpret TAN DELTA Test Result In A Rotating Machine by nvrsrinivas	Last post: 03/29/2017 1:15 PM by manindra	4	1014
03/28/2017 7:28 PM MCB Calc. by Anonymous Poster	Last post: 03/29/2017 12:26 PM by PWSlack	7	354
03/28/2017 6:55 AM 347V in Canada Used For 3 Phase Or One Phase? by melissadhang	Last post: 03/29/2017 11:07 AM by rwilliams	13	1374
03/24/2017 11:36 AM Anyone Ever Seen a 16-position Rotary Switch with 4-bit Binary Output? by wannabecontroller	Last post: 03/28/2017 2:06 PM by jhhassociates	27	709
03/26/2017 8:01 AM Motor Protection by sobanbabu76	Last post: 03/27/2017 9:24 PM by sobanbabu76	8	384
03/23/2017 10:47 AM Generating 110v 15 Amps From Farm Tractor by Em Are	Last post: 03/25/2017 4:25 PM by tcmtech	24	460
03/17/2017 3:41 PM Synchronization by coolyaar	Last post: 03/25/2017 12:41 PM by 67model	7	223
03/23/2017 11:07 AM Carbon Brushes by Andrew Rushton	Last post: 03/25/2017 8:37 AM by TonyS	24	952
03/22/2017 8:59 AM Comparison Of Surge Comparison, Polarisation Index and Tan Delta Tests by nvrsrinivas	Last post: 03/23/2017 4:53 AM by PWSlack	3	633
07/04/2011 11:22 PM UPS Transformer ?!? Specifications - Power Supply? by tkc100	Last post: 03/23/2017 1:56 AM by Wes2859	26	11351
10/17/2012 9:41 PM Electro Static Precipitaor (ESP) by anandchy	Last post: 03/23/2017 12:29 AM by Viral Mistry	6	749
03/21/2017 10:31 AM Control vs Relay Panel by coolyaar	Last post: 03/22/2017 3:29 PM by James Stewart	13	635
03/15/2017 7:21 AM Energy Efficiency Calculations by nvrsrinivas	Last post: 03/22/2017 11:59 AM by Codemaster	13	357
03/19/2017 2:47 AM Power Generation by kasrop	Last post: 03/20/2017 2:54 PM by James Stewart	6	386
03/19/2017 4:06 PM Looking For a Graphic Co-Processor for My Boards by marcot	Last post: 03/20/2017 2:22 PM by marcot	8	810
02/05/2017 9:29 AM Induction Motor Trips While Shifting Star to Delta Connection by sudarshan	Last post: 03/19/2017 10:28 PM by jmueller	12	4812
03/16/2017 2:52 PM Reverse Power Relay (RPR) for 15 kW solar PV by rogerxia	Last post: 03/17/2017 10:16 PM by RAMConsult	6	554
03/15/2017 9:48 AM Is The Motor Delta Or Wye & How To Test It? by 1capybara	Last post: 03/17/2017 1:31 PM by RAMConsult	18	1063
03/15/2017 2:00 AM Transformer 1 Phase to 3 Phase by Anonymous Poster	Last post: 03/17/2017 10:53 AM by daveoliver	10	460
03/15/2017 1:55 PM Variable Frequency Drive. Energy Consideration by Anonymous Poster	Last post: 03/16/2017 11:16 AM by James Stewart	21	365
07/29/2008 9:25 AM preventing PV Inverter Backfeed into Grid in NYC by wjwlitespeed	Last post: 03/15/2017 8:57 PM by rogerxia	14	893
03/14/2017 9:23 AM Control System for Hydro Generator by Anonymous Poster	Last post: 03/15/2017 8:39 PM by rwilliams	17	295
03/14/2017 6:03 AM Programming by Anonymous Poster	Last post: 03/15/2017 1:49 PM by rwilliams	13	280
03/08/2017 11:47 AM Measure of Power Line Induced Voltage by engilis	Last post: 03/14/2017 9:30 AM by IQ	9	340
03/09/2017 10:31 AM DC LED Lighting by ravipra01	Last post: 03/14/2017 8:38 AM by James Stewart	17	457
03/10/2017 9:11 AM Replacing MR On Load Tap Changer. by Tops	Last post: 03/13/2017 5:12 PM by PWSlack	4	337
03/02/2017 8:53 PM Is PLC Programming a Real EE Profession? by wannabecontroller	Last post: 03/13/2017 10:22 AM by daveoliver	84	1178
01/08/2011 10:58 AM Motor Starting Problem by ka.jaison	Last post: 03/11/2017 5:58 AM by kvsridhar	27	849
03/07/2017 4:49 AM Making Capacity of an Air Circuit Breaker by Jignesh Shah	Last post: 03/11/2017 5:56 AM by kvsridhar	7	229
03/07/2017 4:45 AM Clarification on Trip/Non-Trip Bands as per IEC - Product Specific by Jignesh Shah	Last post: 03/11/2017 3:35 AM by 7anoter4	1	229
03/09/2017 3:58 AM Transformer Problem by Anonymous Poster	Last post: 03/10/2017 10:15 PM by Simon Wan	5	396

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