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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
07/31/2024 11:33 AM Bidirectional Breaker by indel	Last post: 08/19/2024 11:03 AM by indel	22	285
02/05/2015 8:56 AM How to Reduce Energy Consumption (Motors) by rayhud	Last post: 08/15/2024 10:05 AM by PWSlack	62	958
06/29/2015 3:00 AM Interlocking Requirement Between Grounding Systems by hisham.i	Last post: 08/15/2024 10:00 AM by PWSlack	9	588
05/14/2012 8:31 AM Cement Bond Sand (CBS) by rajugerman	Last post: 08/15/2024 5:38 AM by PWSlack	1	228
10/04/2011 7:46 AM ELR Protection for Unbalance Load by Local_Eng	Last post: 08/15/2024 5:34 AM by PWSlack	33	1928
04/07/2010 1:56 PM Norms for Neutral Earthing of Diesel Generator by giri	Last post: 08/14/2024 5:47 AM by PWSlack	20	1122
06/19/2009 2:47 AM Starting Current for Star Delta and DOL Starter by mago	Last post: 08/14/2024 5:43 AM by PWSlack	13	14042
02/17/2008 5:00 AM UPS by j_kamal	Last post: 08/12/2024 10:29 AM by PWSlack	21	378
07/03/2009 4:00 PM Three-Phase Transformer Loses One Phase by eddywunics	Last post: 08/08/2024 7:23 AM by PWSlack	11	3734
08/06/2024 5:29 AM ABB Relay Parameters by Anonymous Poster	Last post: 08/07/2024 1:26 AM by rwilliams	9	151
07/13/2013 11:29 AM Restart of Motor After Stopping It by Glenncjy	Last post: 08/06/2024 10:51 AM by nesubra	45	1031
07/07/2024 7:49 AM Lightning Protection - Tape Mesh on the Roof by Alanvaderi	Last post: 07/31/2024 5:21 AM by 7anoter4	7	261
10/11/2015 6:24 PM Can You Identify this Plug and Socket for me? by Andy Germany	Last post: 07/26/2024 6:29 AM by PWSlack	44	1342
03/03/2011 8:39 AM DC Injection in Energy Meter by Anonymous Poster	Last post: 07/25/2024 10:36 AM by PWSlack	16	228
03/03/2011 5:05 AM Cable Size for 355 KW 3 Phase Induction Motor by VIJAYANAND	Last post: 07/25/2024 10:31 AM by PWSlack	12	1572
04/16/2011 6:00 AM Old Breaker by Anonymous Poster	Last post: 07/25/2024 9:57 AM by PWSlack	7	265
04/15/2011 5:08 PM How to Build an AVR for a Three Phase Generator? by Mishel	Last post: 07/25/2024 9:55 AM by PWSlack	182	20879
03/30/2017 5:34 AM Earth Fault in DC Control System by Khalid A/Rahim	Last post: 07/25/2024 7:41 AM by PWSlack	5	379
05/13/2008 5:08 AM Fuzzy Logic by drajesh1985	Last post: 07/25/2024 6:49 AM by Anonymous Poster	10	326
05/13/2008 3:58 AM Busbar Sizing by junaid ashraf	Last post: 07/25/2024 6:48 AM by PWSlack	4	530
03/13/2010 10:27 AM What happens when both ac and dc supply is combined? by Anonymous Poster	Last post: 07/24/2024 11:36 AM by Haymaker	7	156
03/08/2009 1:11 PM mesh earthing by MEHRAJ HASSAN	Last post: 07/24/2024 10:28 AM by PWSlack	2	111
03/08/2009 6:57 AM short circuit rating for cables by mohantheone	Last post: 07/24/2024 10:27 AM by PWSlack	5	453
03/08/2009 5:01 AM Air Circuit Breaker by sapan	Last post: 07/24/2024 10:26 AM by PWSlack	3	106
03/07/2009 11:39 PM Load bank for DG set Testing by rajendra.kamble	Last post: 07/24/2024 10:24 AM by PWSlack	9	482
08/18/2007 11:22 PM ceiling and table fan by Anonymous Poster	Last post: 07/24/2024 9:40 AM by PWSlack	14	475
03/13/2010 8:46 AM 30KW Motor cable selection by porky2009	Last post: 07/24/2024 9:32 AM by PWSlack	4	656
04/02/2014 3:06 AM Earthing Truck by Anonymous Poster	Last post: 07/24/2024 6:17 AM by PWSlack	4	587
01/24/2014 1:45 AM Will This Work, DPDT Switch To Control Power To Unit by cccove	Last post: 07/23/2024 8:39 AM by PWSlack	70	513
04/10/2008 3:56 AM 20KW Solar Hybrid system by cpl	Last post: 07/23/2024 8:29 AM by PWSlack	14	801
02/15/2013 5:51 AM Number of Earth Pits by Anonymous Poster	Last post: 07/22/2024 2:07 PM by HiTekRedNek	27	1250
05/09/2009 1:10 AM Can a machine using 220v 60Hz 3 phase be plug into a 230v 50hz plug by Anonymous Poster	Last post: 07/19/2024 8:54 AM by PWSlack	14	1020
06/07/2024 4:39 AM Can Aluminum Shield Magnetic Fields? by avicenna	Last post: 07/18/2024 10:55 AM by Haymaker	12	453
02/12/2019 3:33 PM Tube Lights by Anonymous Poster	Last post: 07/18/2024 5:37 AM by PWSlack	49	393
02/10/2019 2:53 PM Acetylene Appeared After Maintenance and Transformer Testing by Ahmed Swelam	Last post: 07/17/2024 8:14 AM by PWSlack	12	697
09/24/2006 6:26 AM Test Voltage For Insulation Resistance Test by kayode272	Last post: 07/15/2024 7:11 AM by PWSlack	7	508
09/23/2006 9:03 AM Sites about Automotive Horns by Anonymous Poster	Last post: 07/15/2024 7:08 AM by PWSlack	3	232
01/04/2009 6:08 AM elimination of leakage current by Anonymous Poster	Last post: 07/10/2024 7:15 AM by PWSlack	9	250
01/04/2009 7:25 AM Motor winding dry out? by paramasivan4u	Last post: 07/10/2024 7:13 AM by PWSlack	16	1467
04/06/2009 8:50 PM Neutral Switch for Generators at Power Station by aikhh	Last post: 07/09/2024 10:44 AM by PWSlack	15	2243
03/28/2012 12:27 AM Effect of 380 & 400 Volt Motor on 415 Volt Supply by SUBH_ASHD	Last post: 07/08/2024 7:58 AM by PWSlack	8	1329
02/05/2010 8:02 PM Resistance value of 10HP , 3 phase , 415v , 50hz , induction motor by jayesh100375	Last post: 07/08/2024 7:53 AM by PWSlack	8	6625
08/16/2008 5:39 PM Calculating Earth Strip Size by raj007	Last post: 07/08/2024 7:48 AM by PWSlack	18	4273
09/26/2009 9:40 AM ISF for Current Transformers by Manimaran Vasan	Last post: 07/08/2024 7:43 AM by PWSlack	5	1278
01/31/2016 2:50 AM Minimum Space Between Power & Instrument Cables by dinesh0477	Last post: 07/08/2024 7:40 AM by PWSlack	11	4630
03/18/2017 1:34 PM Star Delta Starter Motor Is Not Running At Delta by Anonymous Poster	Last post: 07/08/2024 7:39 AM by PWSlack	27	1496
03/15/2012 1:19 AM Calculate Fuel Consumption Per Day for Diesel Generator? by duffyem	Last post: 07/08/2024 5:15 AM by PWSlack	30	11190
06/25/2024 1:35 PM Arc Flash Study — Arc Rated Switchgear by Anonymous Poster	Last post: 07/08/2024 4:21 AM by Anonymous Poster	6	198
01/14/2015 10:35 PM Electrical feedback by kebian	Last post: 07/05/2024 5:49 PM by dj95401	12	907
11/21/2011 12:23 PM Panel SFU Rating & Cable Size by giri	Last post: 07/05/2024 9:29 AM by PWSlack	9	196
03/29/2010 11:17 PM Stepping up from 120-VAC (60-Hz) to 240-VAC (50-Hz) by VT	Last post: 07/04/2024 11:35 AM by phph001	26	658
08/18/2011 5:28 PM GFCI Breaker and Florescent by Anonymous Poster	Last post: 07/04/2024 9:26 AM by PWSlack	10	210
03/29/2010 3:19 AM Using Power Cables as Control Cables by Anonymous Poster	Last post: 07/04/2024 5:15 AM by PWSlack	13	595
10/03/2011 1:02 PM Motor Starting Problem with Generator by bedane	Last post: 07/04/2024 3:36 AM by PWSlack	17	397
01/24/2008 2:01 AM Modular Switches by Orient	Last post: 07/02/2024 8:51 AM by PWSlack	3	82
01/24/2008 3:52 AM load flow by Anonymous Poster	Last post: 07/02/2024 8:42 AM by PWSlack	3	105
08/02/2011 5:54 AM Use of Aluminium Wire Armour for Single Core Cables by Anonymous Poster	Last post: 07/01/2024 8:24 AM by Anonymous Poster	14	1856
01/08/2012 3:59 AM Earthing for a Residence by Charanjeet	Last post: 07/01/2024 7:58 AM by PWSlack	15	1037
06/08/2015 9:56 AM Acceptance Criteria for Continuity Test by rvmatulajr	Last post: 06/28/2024 5:50 AM by PWSlack	24	1095
06/10/2015 3:42 PM Earthing of Metal Cable Glands by Magwa	Last post: 06/28/2024 5:01 AM by PWSlack	17	1454
03/25/2011 3:14 AM Synchronous Motor Grounding by surbalaji	Last post: 06/28/2024 4:40 AM by PWSlack	15	848
02/20/2013 10:48 PM Alternate Supply Instead of PMG by Aijaz Ahmed	Last post: 06/27/2024 10:50 AM by Anonymous Poster	5	143
02/20/2013 3:50 PM Transformer Inrush Specification by Paulusgnome	Last post: 06/27/2024 10:46 AM by PWSlack	14	393
08/01/2009 11:25 AM Neutral Contactor in Synchronized Gensets by nebiyou	Last post: 06/27/2024 10:01 AM by PWSlack	4	397
06/26/2024 6:57 AM Transformer Voltage Measurement? by Manfred2	Last post: 06/27/2024 8:14 AM by vsar	6	190
06/14/2024 2:18 AM Live/Neutral of Home-Built Transformer by avicenna	Last post: 06/26/2024 7:28 AM by PWSlack	34	290
06/17/2010 10:43 PM PWM signal by dil_sen_2010@cr4.com	Last post: 06/25/2024 11:09 AM by PWSlack	11	370
03/31/2010 12:02 AM IEC Standard by syannaing	Last post: 06/25/2024 7:44 AM by PWSlack	5	251
03/30/2010 7:01 PM VFD vs. Soft Starter (Pump Application) by Anonymous Poster	Last post: 06/25/2024 7:40 AM by PWSlack	4	1529
06/15/2012 11:10 PM Light Duty Electric Motor by jacob.igcs	Last post: 06/24/2024 7:38 AM by PWSlack	10	302
06/16/2012 1:16 AM Diesel Generator One Phase Disappeared by mst	Last post: 06/24/2024 7:35 AM by PWSlack	8	345
06/17/2012 6:49 AM Changing Motor Nameplate by eltech	Last post: 06/24/2024 7:29 AM by PWSlack	27	629
09/29/2007 5:04 AM ABB Drive - Windows Light by mahalingam	Last post: 06/20/2024 2:22 PM by Kasey00	3	852
11/05/2023 10:24 AM Dry Type Transformer by Anonymous Poster	Last post: 06/20/2024 2:18 PM by Kasey00	3	322
06/15/2024 1:00 PM BIL Rating for a Motor by Anonymous Poster	Last post: 06/17/2024 11:15 PM by rwilliams	5	238
05/08/2009 6:52 AM Maximum Continous Overvoltage (MCOV) by manir_b4u2002	Last post: 06/17/2024 5:53 AM by raghun	3	131
06/10/2024 5:33 AM MNSPTOC Negative Phase Sequence Overcurrent Protection by NKA	Last post: 06/10/2024 11:56 AM by raghun	3	139
03/14/2014 2:57 PM Protection Relay Settings by sumairali	Last post: 06/10/2024 9:47 AM by PWSlack	28	366
06/04/2024 10:45 PM Optimizing Overcurrent Protection for a 4200 kW Slip Ring Induction Motor by Aghvel Niazi	Last post: 06/10/2024 5:59 AM by raghun	4	143
06/01/2024 4:25 PM Measuring High Voltage AC by Manfred2	Last post: 06/09/2024 7:56 AM by HiTekRedNek	20	227
06/03/2024 5:51 AM MV/LV Transformer Winding Configuration by Anonymous Poster	Last post: 06/04/2024 9:15 AM by rwilliams	6	135
05/28/2024 10:38 AM Transformer Coordination by Anonymous Poster	Last post: 05/30/2024 6:54 AM by PWSlack	6	181
03/19/2008 3:56 AM Power Requirement by Anonymous Poster	Last post: 05/29/2024 7:11 AM by PWSlack	5	153
03/19/2008 2:56 AM how do i calculate cable size? by Anonymous Poster	Last post: 05/29/2024 7:09 AM by PWSlack	4	242
02/20/2011 5:52 PM Calculate the 220kV HV XLPE Cable Sizing by tmp_patel	Last post: 05/28/2024 1:06 AM by 7anoter4	4	289
05/08/2024 3:53 AM Persistent Sparking in Red Phase Electrode Chamber of LRS During Startup of a Newly Installed 3.4 MW, 6.3 KV Wound Rotor Induction Motor Driving a Vertical Mill by Aghvel Niazi	Last post: 05/15/2024 1:55 PM by PWSlack	6	262
05/12/2024 4:29 PM Speed vs Amperes by Anonymous Poster	Last post: 05/15/2024 1:37 PM by PWSlack	16	312
05/05/2024 8:23 AM Vector Group of Transformer by lalit_nawada	Last post: 05/15/2024 1:31 PM by 7anoter4	4	349
01/27/2009 11:47 PM Motors - Calculating Electricity Consumption by ratan singh ; also posted in Mechanical Engineering	Last post: 05/01/2024 11:43 AM by PWSlack	18	4690
04/28/2024 7:43 AM Grid Connected System Still Importing Power from the Grid by Amineln	Last post: 05/01/2024 8:00 AM by PWSlack	10	292
04/13/2024 4:32 AM Use of Thyristor in VFD by lalit_nawada	Last post: 05/01/2024 7:40 AM by PWSlack	20	637
12/13/2009 7:51 AM Contactor Coil Vibration by pennokio	Last post: 04/26/2024 3:10 AM by PWSlack	15	1248
06/19/2010 7:11 AM earth resistance by Anonymous Poster	Last post: 04/23/2024 8:21 AM by PWSlack	8	181
10/26/2009 10:34 AM Calculating Transformer Losses by EnergyStudentatLTU	Last post: 04/23/2024 8:03 AM by PWSlack	35	2654
12/09/2023 10:41 AM Life Span of Contactors by gutmonarch	Last post: 04/23/2024 7:51 AM by HiTekRedNek	9	504
04/17/2024 10:02 AM Been Away a Long Time by Leonf	Last post: 04/17/2024 7:12 PM by Brave Sir Robin	3	183
04/05/2024 12:29 AM 3-Phase Power Balanced Distribution by gutmonarch	Last post: 04/17/2024 10:46 AM by HiTekRedNek	23	460
10/05/2011 12:10 AM Axial Float Problem in 275kw Motor by pritam	Last post: 04/16/2024 10:25 AM by Anonymous Poster	10	739
12/17/2008 12:07 AM Power Surges at Startup by talos	Last post: 04/16/2024 7:43 AM by PWSlack	10	244
12/17/2008 12:06 AM Electrical Raceways and Substations by foreveryone	Last post: 04/16/2024 7:40 AM by PWSlack	5	230

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