Forum : Electrical Engineering

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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
12/29/2022 4:56 AM 4 Pole MCB to a single phase load by Selk	Last post: 01/05/2023 6:11 AM by nikolay	14	725
01/01/2023 2:35 PM surge capacitor by ASSER	Last post: 01/04/2023 7:44 AM by PWSlack	7	156
04/09/2007 9:40 AM Non Grounding System by zhoucwj	Last post: 01/03/2023 9:45 AM by PWSlack	17	468
05/21/2008 7:32 AM Short Circuit Calculations by naleghari271@hotmail.com	Last post: 01/03/2023 9:35 AM by PWSlack	19	479
05/21/2008 4:43 AM load flow calculation by Anonymous Poster	Last post: 01/03/2023 9:32 AM by PWSlack	4	209
05/20/2008 4:33 PM NEC Standards for Fire Alarms, Heat Detectors, and Smoke Detectors by kldadlm	Last post: 01/03/2023 9:31 AM by PWSlack	7	312
05/19/2008 6:24 AM Fault current by srilakshmi	Last post: 01/03/2023 9:27 AM by PWSlack	7	167
05/19/2008 1:42 AM Winding Resitance by Anonymous Poster	Last post: 01/03/2023 9:25 AM by PWSlack	3	128
07/16/2014 2:02 AM Weight of Cable by Anonymous Poster	Last post: 01/03/2023 6:26 AM by SolarEagle	18	403
12/27/2022 6:29 AM Where to connect the PE core? by Selk	Last post: 12/30/2022 5:09 PM by PWSlack	3	117
12/21/2022 5:33 AM Wiring using relay contacts by looping from different sources of 24V DC by Anonymous Poster	Last post: 12/26/2022 10:56 AM by vsar	14	206
11/04/2009 2:43 AM LSF cable by Anonymous Poster	Last post: 12/22/2022 9:10 AM by PWSlack	7	132
11/01/2009 10:07 PM Motor kW by Yasser	Last post: 12/22/2022 8:59 AM by PWSlack	16	743
10/21/2011 10:21 PM Over Current Protective Device for Socket Outlets by Akihito Shigeno	Last post: 12/22/2022 7:57 AM by PWSlack	18	504
08/12/2011 5:31 AM Condenser Vacuum by PierreL	Last post: 12/22/2022 4:33 AM by PWSlack	5	134
08/11/2011 12:57 PM Terminal Marking of CT by coolyaar	Last post: 12/22/2022 4:28 AM by PWSlack	22	799
08/11/2011 11:32 AM Cable Tray by MegaThink	Last post: 12/22/2022 4:26 AM by PWSlack	10	212
08/11/2011 5:08 AM Protection Circuit by rajenkk	Last post: 12/22/2022 4:23 AM by PWSlack	2	165
12/10/2022 6:35 PM Grab bag items with no numbers by Deefburger	Last post: 12/21/2022 8:09 PM by HiTekRedNek	25	362
06/27/2007 10:19 AM DD To Media Players by Anonymous Poster	Last post: 12/20/2022 7:43 AM by PWSlack	8	151
06/27/2007 2:05 AM HOW TO SYNCHRONISE A GENERATOR? by koshy.dennis	Last post: 12/20/2022 7:40 AM by PWSlack	7	275
06/26/2007 11:22 AM Ground Fault Protectors against lightning strike by slong	Last post: 12/20/2022 7:38 AM by PWSlack	6	252
06/26/2007 10:02 AM Studying Switchgears by Anonymous Poster	Last post: 12/20/2022 7:35 AM by PWSlack	10	297
06/26/2007 12:21 AM Wanted: Medium-Voltage Soft Starter by hoantran0712	Last post: 12/20/2022 7:29 AM by PWSlack	3	136
06/25/2007 7:56 AM Normal DC as charger by Anonymous Poster	Last post: 12/20/2022 7:28 AM by PWSlack	5	210
06/25/2007 6:23 AM Time to Check Earthing Bondings by Anonymous Poster	Last post: 12/20/2022 7:25 AM by PWSlack	4	106
06/25/2007 4:19 AM Abnormal humming sound from Transformer by rthirunavukkarasu	Last post: 12/20/2022 7:24 AM by Anonymous Poster	8	965
07/01/2010 2:25 AM Does slower fan consume less energy? by Anonymous Poster	Last post: 12/20/2022 7:21 AM by PWSlack	12	682
10/07/2022 9:38 AM VFDs temperature raise by nvrsrinivas	Last post: 12/06/2022 1:31 AM by Hemant Sawarkar	10	188
04/02/2015 3:19 PM Give Me Required Battery Specification by Anonymous Poster	Last post: 12/02/2022 7:32 PM by Carl_E	24	722
04/03/2015 6:06 AM Definition of Wiring by Anonymous Poster	Last post: 12/01/2022 12:51 PM by HiTekRedNek	30	792
11/29/2022 3:56 PM 60A rack mount PDU by EV1guy2004	Last post: 11/30/2022 9:59 AM by Randall	6	151
04/03/2015 11:55 AM Humidity and Capacitors by badbob	Last post: 11/29/2022 5:26 PM by Haymaker	11	811
01/31/2018 9:23 PM Role of Diode by nzur	Last post: 11/29/2022 2:49 AM by PWSlack	6	435
11/22/2022 2:51 PM Changing the single bus Panel to double ended with bus tie by Anonymous Poster	Last post: 11/28/2022 2:19 PM by jmueller	8	134
01/29/2013 7:30 AM Difference Between IED and PLC by Cláudio Morais	Last post: 11/25/2022 9:55 AM by Carl_E	4	604
01/20/2013 12:31 AM Transformers Connections by Fesi	Last post: 11/25/2022 9:27 AM by PWSlack	11	212
01/19/2013 12:02 PM How to Convert 440v to 220v by victory	Last post: 11/25/2022 9:25 AM by PWSlack	6	240
01/18/2013 7:52 AM Start up Substation by Anonymous Poster	Last post: 11/25/2022 9:08 AM by PWSlack	4	173
11/03/2022 8:38 AM Well Casing as an Earth Electrode / oil and gas installlation by Amineln	Last post: 11/23/2022 1:18 PM by Amineln	17	501
06/11/2008 7:31 AM How does a capacitor improve power factor? by Anonymous Poster	Last post: 11/23/2022 1:39 AM by PWSlack	11	1859
11/08/2022 11:58 PM DIFFERENCE BETWEEN 6.3 KV/11KV and 11 KV/11 KV by dhayanandhan.s	Last post: 11/10/2022 4:47 AM by PWSlack	2	139
10/27/2022 1:44 PM How to construct a 4 Inputs OR Gate? by youngken	Last post: 10/30/2022 9:13 PM by HiTekRedNek	12	213
10/26/2022 2:12 PM A choice of 3 phases 3 poles or 4 poles by youngken	Last post: 10/27/2022 7:11 PM by jmueller	12	212
10/15/2022 11:49 AM How to improve the rating of a relay switch by youngken	Last post: 10/25/2022 11:25 PM by youngken	26	235
10/11/2022 4:28 PM What is the Relation between Power and the Rpm in an Electrical Motor.... by presque	Last post: 10/12/2022 11:43 AM by jmueller	4	119
10/05/2022 1:04 PM Earthing points in a substation by nvrsrinivas	Last post: 10/12/2022 6:32 AM by PWSlack	2	91
09/26/2022 1:44 AM Insulation resistance of autotransformer by Anonymous Poster	Last post: 09/30/2022 2:20 PM by PWSlack	6	128
09/20/2022 4:13 AM Diesel under voltage by ASSER	Last post: 09/22/2022 5:21 AM by Randall	10	146
09/11/2022 5:09 AM Line accessories by Anonymous Poster	Last post: 09/13/2022 6:11 AM by Randall	5	126
09/10/2022 10:09 AM Steel tubular poles by Anonymous Poster	Last post: 09/12/2022 11:11 AM by PWSlack	8	134
09/10/2022 11:04 AM Statcom supply by Anonymous Poster	Last post: 09/11/2022 1:23 PM by HiTekRedNek	2	93
06/03/2022 1:11 PM Aren't these grey pipes for use in wire conduits? by gutmonarch	Last post: 09/11/2022 4:20 AM by munch	12	236
09/10/2022 12:35 PM Steel tubular pole by Anonymous Poster	Last post: 09/11/2022 3:46 AM by HiTekRedNek	6	103
09/09/2022 8:01 AM Generator cooling water PI diagram. by Anonymous Poster	Last post: 09/10/2022 12:31 AM by SolarEagle	9	104
09/05/2022 11:02 PM Dead End Poles and Double Dead End Poles by Anonymous Poster	Last post: 09/07/2022 9:42 PM by Lehman57	6	974
09/02/2022 5:48 PM PV generator by Anonymous Poster	Last post: 09/07/2022 11:02 AM by HiTekRedNek	12	135
08/21/2022 10:47 AM Reactive power compensation by Designmen	Last post: 09/04/2022 7:55 AM by HiTekRedNek	14	202
08/23/2022 9:22 AM Captive Generation Plant by satishhar	Last post: 08/31/2022 10:22 AM by rwilliams	4	167
10/06/2006 10:12 AM How to protect well pump from lightning? by hperini	Last post: 08/27/2022 11:20 AM by PWSlack	6	1908
08/26/2022 12:37 PM Solar generators power system? by Anonymous Poster	Last post: 08/26/2022 7:05 PM by Brave Sir Robin	1	61
08/08/2022 7:39 PM Transformer connection by Anonymous Poster	Last post: 08/23/2022 7:16 AM by PWSlack	25	239
07/13/2021 5:08 AM Cable Fault Locator for Lower Size up to 16 sq mm by giri	Last post: 08/13/2022 8:07 AM by HiTekRedNek	19	226
08/08/2022 2:48 AM Hi-Pot Testing in PCB circuit with MOV connected to gnd by Anonymous Poster	Last post: 08/12/2022 6:28 PM by PWSlack	5	352
07/28/2022 5:23 AM Digitization in electrical system by giri	Last post: 08/05/2022 4:39 AM by gideon	7	145
07/24/2022 6:46 PM Data for RH13 GI 9344 diode by sptilton	Last post: 07/27/2022 5:22 AM by Randall	8	146
07/09/2022 2:26 AM Lightning protection calculation by Toy8171	Last post: 07/20/2022 8:42 AM by PWSlack	5	298
07/13/2022 12:59 PM Solid Insulation Switchgear - 15kV by PALER	Last post: 07/14/2022 6:20 PM by rwilliams	5	134
05/30/2022 7:07 AM Robin RGK180 by sude	Last post: 06/24/2022 12:08 PM by JRaef	11	117
06/07/2022 12:51 AM Successive Bearing Failure in Cooling Water Motors in a Combined Cycle Plant by Qurrat	Last post: 06/23/2022 3:17 PM by redfred	26	331
06/28/2010 1:36 AM HV Switchgear Classification by rpsamel	Last post: 06/21/2022 10:38 AM by PWSlack	2	341
06/28/2010 1:13 AM Country of Origin by rasinsasidharan	Last post: 06/21/2022 10:37 AM by PWSlack	3	117
06/05/2022 2:18 AM Capacitor by kasrop	Last post: 06/12/2022 2:09 PM by HiTekRedNek	23	250
05/30/2022 4:35 PM earth fault by henry98	Last post: 06/02/2022 8:45 PM by Rixter	8	147
05/27/2022 3:52 AM Synchronization checks using different type of PTs by kashifidrees	Last post: 05/30/2022 10:56 PM by kashifidrees	13	214
05/22/2022 11:05 AM Honda EU3000is Generator Sudden Ignition Failure by bullardrr	Last post: 05/25/2022 3:20 PM by SolarEagle	5	388
05/13/2022 10:21 AM Time Delayed Unit with Under Voltage Release by Selk	Last post: 05/16/2022 4:35 AM by PWSlack	6	206
07/14/2013 6:18 AM Substation by Shiva1021	Last post: 05/05/2022 1:34 AM by sauravbabu	15	231
04/29/2022 12:31 PM Biasing Enhancement mode N-chanel MOSFETs by Anonymous Poster	Last post: 05/04/2022 10:01 PM by Brave Sir Robin	22	215
04/23/2022 1:45 AM Relation between power and rpm in an electrical motor by drake999	Last post: 04/28/2022 12:41 PM by 7anoter4	8	381
04/23/2022 5:16 PM Pump motor still hot while the pump in right head range by Abusaleem	Last post: 04/27/2022 7:17 AM by PWSlack	13	285
04/22/2022 6:15 AM 2 pole or 4 pole : Which motor is a better choice? by nshingate	Last post: 04/26/2022 7:30 AM by PWSlack	5	504
04/20/2022 12:35 AM MCCB Positions by Anonymous Poster	Last post: 04/24/2022 4:40 PM by JRaef	5	139
04/21/2022 2:15 AM Operate railgun at high voltage low current? by avicenna	Last post: 04/24/2022 12:53 PM by SolarEagle	18	223
04/17/2022 8:19 AM Busbar short circuit by kasrop	Last post: 04/23/2022 3:56 AM by raghun	16	193
04/17/2022 6:24 AM Earthing- Strip or round conductor electrodes by Amineln	Last post: 04/19/2022 6:15 AM by PWSlack	10	317
04/16/2022 8:17 AM MOSFET SWITCHING by thankan	Last post: 04/19/2022 4:46 AM by PWSlack	18	208
04/07/2022 10:11 AM LV transformer bushing dimensions by Apprentice-1	Last post: 04/14/2022 7:26 AM by PWSlack	6	186
01/10/2009 11:48 PM ACS800 tripped due to stallfault by Anonymous Poster	Last post: 04/14/2022 7:24 AM by PWSlack	4	122
04/25/2019 9:37 AM Is a VFD Good or Bad for Old 3 Phase Motors? by brandoncosta	Last post: 04/13/2022 11:30 AM by JRaef	20	758
04/03/2022 1:31 PM Coupled 3 phase motor driving the same shaft by gutmonarch	Last post: 04/12/2022 9:13 AM by jmueller	40	539
01/11/2009 2:52 PM electrical by Anonymous Poster	Last post: 04/12/2022 8:43 AM by PWSlack	6	142
01/11/2009 2:01 PM transient current in lab by gauravgauramu	Last post: 04/12/2022 8:42 AM by PWSlack	1	104
01/11/2009 2:03 AM mulit strand copper wire by Anonymous Poster	Last post: 04/12/2022 8:03 AM by PWSlack	5	173
03/28/2022 1:14 AM Fires in EVs by Anonymous Poster	Last post: 04/07/2022 3:48 PM by SolarEagle	20	569
03/26/2022 3:51 PM Terminal Winding Resistances for a 3-phase Synchronous Motor by gutmonarch	Last post: 04/06/2022 5:47 PM by HiTekRedNek	12	175
03/21/2022 1:07 AM Current Transformer DC by Joe Sparky	Last post: 03/24/2022 10:07 PM by Anonymous Poster	11	208
03/17/2022 7:31 AM HV cable vs overhead power line by gideon	Last post: 03/23/2022 4:20 PM by IQ	9	170
03/05/2022 2:47 PM Backup fuse for SPD by Designmen	Last post: 03/17/2022 1:39 PM by JRaef	5	151
08/10/2014 10:02 AM Cost Comparision Between 66 kV O/H Line or Underground Cables by Anonymous Poster	Last post: 03/17/2022 7:28 AM by PWSlack	8	341

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