Forum : Electrical Engineering

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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
02/26/2020 2:42 AM Roupen by Roupen	Last post: 03/05/2020 10:23 PM by rwilliams	28	327
01/05/2017 2:11 AM Bearing Failure by nvrsrinivas	Last post: 03/05/2020 12:08 PM by PWSlack	38	450
02/26/2020 4:58 AM Generator Inter-turn Protection by raghun	Last post: 03/03/2020 12:01 AM by rwilliams	5	188
02/20/2020 7:09 AM Fault Level by giri	Last post: 03/02/2020 3:46 AM by giri	11	227
02/25/2020 12:09 PM Modbus Master on RS485 with Digital Outputs by Critcho	Last post: 02/29/2020 8:27 PM by Iris	13	209
06/30/2015 10:39 PM Bunker EMP Protection for 110 Volt and Coax by Anonymous Poster	Last post: 02/26/2020 7:27 PM by electronut	67	1095
01/29/2011 5:11 AM Knee Point Voltage For Ct by arunelectone	Last post: 02/20/2020 11:51 PM by SATISH7233	12	2423
02/17/2020 1:59 PM Syncronous Motor Rotating Rectifier by minggrabber	Last post: 02/20/2020 6:07 PM by R_i_c_h	17	389
05/31/2012 3:00 AM CT Burden Calculation by amoldeshpandeg	Last post: 02/20/2020 2:21 PM by SATISH7233	6	5951
08/26/2019 3:55 PM Use of Single CT Secondary Output for Both Differential and Overcurrent Protection by Dipesh12	Last post: 02/20/2020 2:13 PM by SATISH7233	10	539
10/15/2019 1:28 PM Ordinary Motor on VFD by giri	Last post: 02/20/2020 10:11 AM by giri	15	369
02/18/2020 1:59 AM Encapsulated Pole by electricalexpert65	Last post: 02/18/2020 6:39 AM by SolarEagle	1	116
02/16/2020 1:17 PM Earthing System by henry98	Last post: 02/18/2020 2:23 AM by electricalexpert65	5	230
02/13/2020 11:41 AM Three-Phase Motor: Phase Failure by ASSER	Last post: 02/17/2020 9:33 AM by PWSlack	11	311
02/05/2020 5:06 PM Transient Voltages by Kevin LaPaire	Last post: 02/13/2020 10:05 AM by Kevin LaPaire	10	232
05/18/2019 3:14 AM Weep Holes in Gravity Retaining Walls by Anonymous Poster	Last post: 02/10/2020 4:19 AM by bhushanmahajan40	18	583
02/03/2020 8:41 AM HT Power Transformers by nvrsrinivas	Last post: 02/07/2020 3:16 AM by gideon	6	258
01/30/2020 1:37 AM Why Positive DC Grounding Over Floating? by kasrop	Last post: 02/03/2020 1:35 PM by user-deleted-1105	8	328
10/02/2013 12:24 AM Parallel Off Grid Solar Inverter with Diesel Generator Output by 1939s	Last post: 01/31/2020 7:56 AM by Paavalan	40	1701
01/09/2020 3:54 AM What's a VFD Rated Motor? by nvrsrinivas	Last post: 01/30/2020 10:45 AM by daveoliver	15	595
01/08/2020 10:59 AM Current Measurement of a Motor Run from VFD by nvrsrinivas	Last post: 01/30/2020 10:32 AM by daveoliver	16	582
01/27/2020 12:27 AM Cause of Solder Cracks? by sptilton	Last post: 01/30/2020 8:49 AM by HiTekRedNek	23	698
01/27/2020 8:29 PM Old Markon Generator Trouble by sbkenn	Last post: 01/29/2020 1:43 PM by SolarEagle	9	591
11/17/2011 12:01 AM CB Making Capacity Rating by Louwel	Last post: 01/27/2020 4:54 PM by JRaef	19	753
12/17/2019 10:57 AM Pressure Relief Device by kasrop	Last post: 01/22/2020 11:22 PM by vimal76	5	417
01/11/2020 11:09 AM Surge Diverters in 33KV Switch Yard by nvrsrinivas	Last post: 01/22/2020 11:05 PM by vimal76	6	202
05/17/2017 12:17 PM Confused Student? by Anonymous Poster	Last post: 01/22/2020 10:43 AM by PatrickGregory123	25	480
01/18/2020 1:02 AM Diode Parallel to a DC Contactor by gutmonarch	Last post: 01/22/2020 7:46 AM by bebelynaccessdoors	17	799
02/20/2009 2:14 AM Power Data Logger by Erld	Last post: 01/19/2020 7:08 AM by Bronco79	2	159
12/20/2019 6:52 PM IEC60909 Fault Analysis by bspace123	Last post: 01/12/2020 5:01 AM by Rakesh Mishra	6	210
01/08/2020 10:38 AM When Selecting a Motor, How to Decide Between an Ht or LT Motor? by nvrsrinivas	Last post: 01/12/2020 2:58 AM by Rakesh Mishra	6	859
01/07/2020 1:32 PM Running Lift Motor With Blower Duty VFD by Anonymous Poster	Last post: 01/09/2020 8:29 AM by PWSlack	12	263
12/30/2019 9:25 AM Simocode Overload Programming Help by DannyD	Last post: 01/02/2020 12:05 PM by MR. Guest	8	203
12/31/2019 6:35 AM Solid State Voltage Regulator to Replace Mechanical Type by HiTekRedNek	Last post: 01/01/2020 10:37 PM by Stef	9	441
12/30/2019 4:37 AM Question on Ignition Coil Wires by athmio	Last post: 01/01/2020 11:37 AM by Lehman57	9	354
12/30/2019 8:31 AM Zenneck Surface Waves? Any Thoughts? by JE in Chicago	Last post: 12/31/2019 11:24 AM by jmnjrpa	10	197
05/30/2009 10:52 AM laser cutter for stones (granite) by orca78	Last post: 12/31/2019 9:44 AM by phoenix911	6	384
01/26/2008 9:44 AM Battle short by CowAnon	Last post: 12/25/2019 11:19 AM by JRaef	52	1582
11/02/2019 10:05 PM Paralleling LV Transformer Solidly Grounded by ramondrake	Last post: 12/23/2019 12:09 AM by rwilliams	25	534
12/18/2019 7:21 AM Dual Ratio CTs by electricalexpert65	Last post: 12/19/2019 1:43 AM by raghun	2	235
12/27/2014 10:30 AM Troubleshooting of Demag Crane Error 36 & 55 by shariqsaiyed	Last post: 12/16/2019 6:21 PM by JRaef	27	1874
12/04/2019 12:40 AM Can I Parallel a Bigger Battery With a Computer UPS? by piolenc	Last post: 12/16/2019 12:08 AM by SolarEagle	23	367
12/11/2019 10:07 AM Introduction from Electric Power Reliability Evangelist in Ohio by SDMyers	Last post: 12/12/2019 10:54 PM by SolarEagle	22	288
02/06/2018 6:35 PM Three-Phase Thyristor Bridge Missing One Thyristor by Durguy	Last post: 12/12/2019 8:08 AM by Oomborrie	48	1991
09/21/2014 11:59 AM Mystery Ohms by Tom_Consulting	Last post: 12/10/2019 7:18 AM by PWSlack	53	728
12/02/2019 11:12 AM Watt Calculation to Make a Specific LED Light by TahmidKhan123	Last post: 12/08/2019 4:30 AM by Just an Engineer	16	303
12/06/2019 7:21 AM Reclaim Time vs Reset Time in Auto Reclosers by electricalexpert65	Last post: 12/06/2019 11:13 AM by Rixter	1	184
12/03/2019 9:39 AM Fluke 435-II by vreijb	Last post: 12/05/2019 6:18 PM by Brave Sir Robin	11	213
12/02/2019 3:14 AM Transformer Connection by henry98	Last post: 12/05/2019 4:37 AM by sunday matembo	9	227
12/03/2019 12:52 PM Fire Retardant Meter Board for Smart Energy Meter (kWh meter) by joomunm	Last post: 12/04/2019 8:05 PM by rwilliams	3	161
11/29/2019 5:49 PM New Environmentally Friendly Computer Designs by StandardsGuy	Last post: 12/02/2019 11:20 PM by gnagy	8	166
11/25/2019 7:48 AM Single Core Cables in Trefoil in Conduit/Pipe by Selk	Last post: 11/29/2019 12:30 PM by 7anoter4	9	529
11/18/2019 2:30 PM Synchronization by henry98	Last post: 11/27/2019 8:06 AM by PWSlack	11	236
09/29/2010 11:33 AM Converting 220V Single Phase to 380V by youngken	Last post: 11/25/2019 4:25 PM by JRaef	25	1669
11/12/2019 6:45 AM Electric Fence by athmio	Last post: 11/19/2019 6:44 PM by truth is not a compromise	34	504
11/16/2019 12:50 AM Cover Block Preparation by Anonymous Poster	Last post: 11/19/2019 10:49 AM by PWSlack	6	138
11/17/2019 5:10 AM Recognize the Device? by pgola4u	Last post: 11/18/2019 9:52 AM by Circuit Breaker	13	338
11/16/2019 10:22 AM Require knowledge of fuji frenic invertet by Anonymous Poster	Last post: 11/16/2019 2:21 PM by SolarEagle	1	118
11/14/2019 8:23 PM Coelmo Generator 500KVA AVR Fuse Blows Up Showing Low Voltage by majubu	Last post: 11/15/2019 10:47 AM by redfred	2	203
11/13/2019 9:49 AM Generator CT by coolyaar	Last post: 11/14/2019 11:55 AM by PWSlack	14	274
10/07/2019 2:37 PM Phase Rotation by Anonymous Poster	Last post: 11/12/2019 11:17 AM by pcchatur	3	247
11/06/2019 9:59 AM Jacking Pad by Anonymous Poster	Last post: 11/11/2019 3:46 AM by Liam578	5	736
11/05/2019 6:36 AM Best Industrial Process for Solar Power Introduction by mikespike	Last post: 11/10/2019 11:01 PM by mikespike	23	268
11/05/2019 10:11 AM Pit Standard by Anonymous Poster	Last post: 11/06/2019 1:36 AM by SolarEagle	7	194
11/04/2019 4:12 AM How to Connect Pumps to Two Different Power Supply Sources by Temideej	Last post: 11/05/2019 11:27 PM by rwilliams	16	314
02/23/2016 9:38 AM Control Engineering Question - What Drawback is Associated with Gain Compensation? by nathan27th	Last post: 11/04/2019 7:13 AM by derekb	9	382
09/16/2010 6:24 PM Links by Anonymous Poster	Last post: 10/30/2019 3:57 AM by Anonymous Poster	4	130
10/06/2019 9:05 AM Motor Trips While Shifting from Star to Delta by hqureshi	Last post: 10/29/2019 11:34 AM by PWSlack	33	2007
10/28/2019 2:19 AM Breaker Long Time Delay by Anonymous Poster	Last post: 10/29/2019 10:51 AM by Jpfalt	13	391
10/25/2019 7:15 AM We Have Two DC Motors of 1550kw Having Different GD2 by kumar kumbhar	Last post: 10/27/2019 1:44 AM by rwilliams	12	222
10/17/2019 9:56 PM Motor Contribution to Earth Faults by bspace123	Last post: 10/26/2019 1:22 AM by 7anoter4	6	308
10/23/2019 2:49 AM Looking for Secure Remote Control for Gate/Garage Door by piolenc	Last post: 10/25/2019 1:31 AM by SolarEagle	23	373
10/23/2019 11:20 AM Pseudo Random Sequence Generator by Anonymous Poster	Last post: 10/24/2019 10:01 AM by rwilliams	12	231
03/05/2015 1:56 PM Why Use a 3 Phase Motor in a Washing Machine? by Autobroker	Last post: 10/22/2019 6:16 PM by LRamos	23	2110
10/19/2019 3:34 AM Distribution Transformer Protection by Anonymous Poster	Last post: 10/21/2019 9:09 PM by JRaef	10	343
09/16/2019 3:25 AM HT Motor Tripped Without Any Fault Indication by ppremram	Last post: 10/21/2019 7:43 AM by giri	11	310
05/09/2012 5:52 AM CT PT Burden Calculation by naanee09	Last post: 10/18/2019 11:43 PM by SolarEagle	13	2200
10/14/2019 8:30 PM Leg Combinations by Anonymous Poster	Last post: 10/15/2019 10:57 PM by Relativity PL	2	262
10/09/2019 5:44 AM Single Core Cables - Above 95 sqmm by Selk	Last post: 10/14/2019 5:00 AM by 7anoter4	8	237
10/09/2019 9:03 AM VFD - CSI /LCI by Anonymous Poster	Last post: 10/11/2019 4:30 PM by JRaef	8	228
10/08/2019 10:07 AM Induction Motor Synchronisation by Anonymous Poster	Last post: 10/11/2019 2:04 PM by SolarEagle	9	268
10/05/2019 4:00 AM Motor/generator Contribution to Electrical Faults by bspace123	Last post: 10/06/2019 8:05 PM by rwilliams	1	183
08/01/2019 2:15 AM Frequent Motor Housing Problems by Anonymous Poster	Last post: 10/05/2019 11:47 AM by nesubra	7	290
09/24/2019 8:23 AM Earth Fault Protection in Solar Inverter by satishhar	Last post: 10/05/2019 5:52 AM by satishhar	12	228
09/19/2019 4:47 AM Busbar Sectionalizing Isolators by Electron Spinner	Last post: 10/04/2019 8:28 AM by Electron Spinner	37	1542
01/23/2015 6:14 PM Magnetic Field Still Present in Solenoid When Powered Off? by willemng	Last post: 10/03/2019 6:58 AM by HiTekRedNek	18	1526
07/11/2019 8:22 PM Testing of Reverse Power Relay by rprelay	Last post: 10/03/2019 6:26 AM by Padraig Coot	6	503
09/28/2019 7:27 AM Neoteric Fuzzy Control Stratagem by Anonymous Poster	Last post: 10/03/2019 1:30 AM by G.Swaminathan	3	158
09/26/2019 4:05 AM VFD With Step Down Transformer for Speakers and AVR by tpraveen79	Last post: 10/02/2019 2:04 PM by SolarEagle	30	292
09/29/2019 9:47 AM Electrical Knowledge for You by HiTekRedNek	Last post: 09/30/2019 4:06 AM by hunghoang	1	139
09/27/2019 8:42 PM Bushing Current in Transformer by Anonymous Poster	Last post: 09/29/2019 2:09 PM by rwilliams	4	348
09/16/2019 5:36 AM What is the Life Time of Electric Plasma? by Jerinsam	Last post: 09/26/2019 9:07 PM by StandardsGuy	2	98
09/24/2019 8:46 PM Power Supply Subjected to Heat or Over-Heating by gutmonarch	Last post: 09/26/2019 3:59 AM by Stef	7	200
09/19/2019 1:19 AM Solar Night Lamp Problem by Anonymous Poster	Last post: 09/26/2019 2:46 AM by PWSlack	13	313
09/23/2019 12:58 PM Process Improvement Due to PLC Jitter by NotUrOrdinaryJoe	Last post: 09/25/2019 5:29 AM by PWSlack	6	198
09/19/2019 4:08 AM Electrical Routine Test Requirement on MV CONNEX Insulating part by supro84	Last post: 09/23/2019 7:09 AM by PWSlack	1	143
09/16/2019 5:34 AM Is Air Used as Plasma Armature? by Jerinsam	Last post: 09/18/2019 1:57 PM by SolarEagle	12	215
09/01/2019 11:34 AM Step Distance for Busbar Protection by Electron Spinner	Last post: 09/18/2019 6:29 AM by Electron Spinner	35	281
09/17/2019 4:50 AM Battery Charging by henry98	Last post: 09/18/2019 1:48 AM by henry98	6	309
08/31/2019 8:59 PM High Voltages Seen on CT's by polerz	Last post: 09/17/2019 7:40 PM by rwilliams	25	383

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