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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
10/14/2016 8:07 AM ABB ACS800 Problem by SUVENDU CHAKRABORTY	Last post: 10/16/2016 10:26 AM by cheeseslicer	4	688
10/12/2016 3:09 AM PoE LED Lighting by brich	Last post: 10/15/2016 3:07 AM by bluebelly	13	784
10/10/2016 1:35 AM Output Transformer OT240 by Anonymous Poster	Last post: 10/13/2016 7:08 PM by Mikerho	3	199
10/10/2016 2:51 AM Battery Charger by ASSER	Last post: 10/12/2016 11:55 AM by 67model	7	405
10/10/2016 12:31 PM ElCid vs Loop Test On Generators? by Tremer	Last post: 10/12/2016 6:14 AM by pcchatur	6	722
10/09/2016 10:45 AM BPT Video Entry System by jayaprakash	Last post: 10/10/2016 11:24 AM by Phys	9	312
09/22/2016 7:40 AM RCCB Tripping in Case of Phase to Ground Fault on Upstream Network by Kiran Voodari	Last post: 10/10/2016 7:24 AM by 67model	31	866
10/05/2016 5:08 PM In Search of Updated Electronic-Electrical Portable Workshop Tool(s). by Ukeje	Last post: 10/09/2016 1:46 PM by Ukeje	18	419
10/06/2016 12:43 AM Contactor Coils Failure in GRR Panel by nvrsrinivas	Last post: 10/08/2016 7:50 AM by nvrsrinivas	16	544
09/12/2016 3:11 AM Probable Cause Of VT Failure At Site by Shibnath Mukherjee	Last post: 10/05/2016 12:38 PM by 7anoter4	20	695
09/21/2016 5:22 PM Transformer' Air Gap by Olie	Last post: 10/04/2016 5:51 PM by 67model	57	455
09/30/2016 6:38 AM User Manual Require for ABB DC Drive PSD 684 V5 by Signode	Last post: 10/04/2016 1:55 PM by JRaef	5	732
09/06/2016 9:15 AM Current Reading is Uniform in All the Phases by kuppahalli	Last post: 10/04/2016 1:27 PM by 7anoter4	11	311
09/30/2016 9:14 AM Export of Solar Power & Import of Grid Power by Shibnath Mukherjee	Last post: 10/03/2016 12:25 PM by PWSlack	5	211
09/30/2016 9:55 AM Grid Islanding, Load Shading & Load Shedding by Shibnath Mukherjee	Last post: 10/03/2016 5:39 AM by rogerggbr	6	233
09/21/2016 12:11 AM Battery Charging by deanpavil	Last post: 10/01/2016 8:16 PM by 67model	6	413
11/28/2009 3:21 PM causes of hunting in diesel genrator? by sandeep.nikhar97	Last post: 09/30/2016 12:48 PM by dhayanandhan	7	3681
04/05/2012 9:49 AM Substation 33KV/11KV Cable Interconnection? by minggrabber	Last post: 09/30/2016 7:22 AM by ash13	8	2135
09/22/2016 1:19 AM Restricted Earth Fault Protection at Delta Side by Shibnath Mukherjee	Last post: 09/30/2016 5:29 AM by 7anoter4	4	350
09/22/2016 7:31 AM Star-delta Connection by FADHEL	Last post: 09/29/2016 8:56 PM by 67model	8	288
09/26/2016 6:55 AM I Want a Circuit Diag of 80's No Led Lights Joining by sumit dhage	Last post: 09/27/2016 9:28 PM by jack of all trades	8	278
09/23/2016 11:54 AM How to Find Voltages Between Light Bulbs in a Series Circuit and Current? by tmajeske57	Last post: 09/26/2016 10:13 PM by rwilliams	9	605
04/08/2007 6:01 AM Circuit Diagram for a 12V LED Lamp by Anonymous Poster	Last post: 09/25/2016 1:42 AM by Anonymous Poster	36	10684
09/05/2016 2:01 PM Small Battery Questions by Out of Box Experience	Last post: 09/24/2016 12:36 AM by Autobroker	107	1733
08/20/2008 11:57 PM How to Build a Generator from a Car Engine by luisdmk46	Last post: 09/22/2016 2:27 PM by StavoV	22	6851
09/17/2016 6:39 PM Help with Yamaha RXV 473 Ethernet Not Working by Faortiz	Last post: 09/20/2016 6:42 PM by Spinco	5	367
09/12/2016 12:05 PM Three Phase Ungrounded Fault - Symmetrical Components by davechow	Last post: 09/20/2016 12:06 AM by 7anoter4	6	296
09/18/2016 3:26 AM Understanding Dimmer Quality and Performance by jofficer	Last post: 09/19/2016 4:07 PM by James Stewart	8	297
09/19/2016 2:22 AM Directional Relay RCA by Anonymous Poster	Last post: 09/19/2016 3:48 PM by James Stewart	6	268
02/29/2016 1:47 AM Stator Winding by jan63	Last post: 09/19/2016 2:05 PM by Tremer	15	440
11/03/2009 11:10 PM Replacing 8A Fuse with 10A Fuse by Current Maarey	Last post: 09/19/2016 8:55 AM by shekar	17	1904
09/02/2016 11:08 PM Power Outage & Use of Inverter with Batteries for AC Power by Wayne Middleton	Last post: 09/16/2016 10:22 PM by Wayne Middleton	20	503
09/14/2016 2:39 AM ISF & Accuracy Class Of Current Transformer by Shibnath Mukherjee	Last post: 09/16/2016 3:09 AM by Shibnath Mukherjee	7	379
09/12/2016 4:10 PM Failure to Latch in on Synchronous Idle by James Stewart	Last post: 09/15/2016 7:46 PM by 67model	12	377
09/09/2016 10:26 AM R,X, & C for 1/C vs 3/C MV Cables by davechow	Last post: 09/15/2016 12:14 PM by 7anoter4	13	292
09/10/2016 6:00 AM 3-Phase Induction Motor Not Stopped by Anonymous Poster	Last post: 09/13/2016 6:45 PM by JRaef	27	351
09/11/2016 1:53 PM AVR Question by ASSER	Last post: 09/13/2016 11:13 AM by Codemaster	5	336
03/05/2011 6:25 AM Motor Wdg. Start And End Lead Identification. by cmaguna	Last post: 09/13/2016 3:52 AM by Maanu	40	2547
09/07/2016 5:07 AM Effects Of Overloading On Generators by jan63	Last post: 09/12/2016 4:32 PM by PFR	41	664
09/10/2016 11:11 AM Squirrel Cage Blower Speeds Up When Airflow is Blocked by thenelson	Last post: 09/12/2016 2:44 PM by horace40	34	1426
09/10/2016 10:17 AM Gyroboards Impossible Energy Consumption by Yuri B.	Last post: 09/12/2016 1:30 PM by Yuri B.	16	354
09/02/2016 6:20 AM Charged or Discharged by thinhnghiem	Last post: 09/09/2016 6:46 PM by dj95401	15	413
09/02/2016 1:24 AM Help for Relay Setting by Anonymous Poster	Last post: 09/09/2016 3:10 PM by dj95401	6	265
09/08/2016 5:56 AM Selection of Surge Diverter in Indoor Switchgear by Shibnath Mukherjee	Last post: 09/09/2016 2:09 AM by Shibnath Mukherjee	6	342
09/07/2016 1:05 AM Selection of HRC fuse & MCB rating by Shibnath Mukherjee	Last post: 09/08/2016 10:28 AM by James Stewart	22	876
08/31/2016 1:56 PM Testing Tranformer Oil Rated for 50Hz Power Trafo at 60Hz Test Voltage by rizwan	Last post: 09/07/2016 9:38 AM by James Stewart	37	644
09/05/2016 9:27 AM Accuracy Class of Core Balance Current Transformer (CBCT) by Shibnath Mukherjee	Last post: 09/07/2016 9:38 AM by rwilliams	9	1859
09/06/2016 6:56 AM Protection In Un Grounded System by Shibnath Mukherjee	Last post: 09/07/2016 8:27 AM by 7anoter4	9	389
08/31/2016 10:46 AM Differential & Restricted Earth Fault Protection Of Transformer by Shibnath Mukherjee	Last post: 09/06/2016 1:07 PM by rwilliams	8	919
06/19/2013 5:24 AM Earthing Switch In the High Voltage Panel by Muthuvel	Last post: 09/06/2016 3:49 AM by Rramesh	14	618
08/28/2016 2:26 AM DC Voltage Control by richma	Last post: 09/04/2016 4:35 AM by Andy Germany	12	451
08/15/2016 8:20 AM USB Multiplexing by Stric_Matic	Last post: 09/02/2016 3:26 PM by Andy Germany	17	509
08/31/2016 11:50 AM Controlling 8-Pin Relays With Proximity Switches by Auminer	Last post: 09/02/2016 7:44 AM by HiTekRedNek	17	665
08/31/2016 5:09 AM VSD Autotune by eltech	Last post: 08/31/2016 7:58 PM by eltech	5	259
08/21/2016 6:52 PM Wiring a Relay Timer to Control a Gas Solenoid by sylvester	Last post: 08/29/2016 1:51 PM by WJMFIRE	15	961
08/26/2016 7:10 AM Saturation of Current Transformer by Anonymous Poster	Last post: 08/29/2016 10:19 AM by James Stewart	12	384
08/27/2016 9:19 AM Voltage & Current Data Logger with PC Interface by Anonymous Poster	Last post: 08/29/2016 2:26 AM by kvsubramanyam	6	213
08/27/2016 4:31 PM Interpret Tables in BSI 61559-1 by mpegjohn	Last post: 08/27/2016 10:51 PM by tcmtech	3	186
08/20/2016 7:36 AM Digital Multimeter Portable by ahmadarshad	Last post: 08/27/2016 5:19 PM by 67model	23	903
08/25/2016 2:57 AM Use of Microcontroller for this Application by prashantbhurat	Last post: 08/27/2016 4:59 PM by 67model	7	262
08/25/2016 6:29 AM Differential Relay Tripping by Anonymous Poster	Last post: 08/27/2016 4:17 PM by 67model	17	286
08/23/2016 6:02 PM Motor Failure During Starting by Anonymous Poster	Last post: 08/25/2016 8:25 PM by jack of all trades	22	680
08/24/2016 11:50 AM TVS Diode and Relay Circuit by Leatherneck	Last post: 08/25/2016 3:53 PM by rwilliams	9	803
02/19/2016 2:09 AM Main Breaker Problems by malcolms	Last post: 08/25/2016 10:55 AM by Anonymous Poster	33	451
08/23/2016 8:12 AM New PCB Prototyping Tool on Kickstarter by Intelligent Minds	Last post: 08/23/2016 3:00 PM by Intelligent Minds	11	258
08/22/2016 6:41 AM Bus Tie Duct Noise by uhammad Atif Irshad	Last post: 08/23/2016 2:08 PM by rwilliams	12	358
08/23/2016 9:14 AM Searching for Feedthrough Terminal by Leatherneck	Last post: 08/23/2016 10:30 AM by SolarEagle	3	354
12/30/2010 10:13 AM altistart 48 by balajiv71	Last post: 08/23/2016 6:11 AM by Bradplum	4	488
08/19/2016 2:55 PM SCR Switching for Butt Welder by fji1953	Last post: 08/23/2016 12:17 AM by dkwarner	10	301
08/19/2016 10:37 PM Single Bus vs Double Bus by Anonymous Poster	Last post: 08/22/2016 9:36 PM by bigg	7	404
08/18/2016 7:04 AM Powerflex 70 with Multiple Motors by eltech	Last post: 08/22/2016 5:47 PM by JRaef	12	472
08/18/2016 8:41 AM 11KV Gensets Neutral Connection by kuppahalli	Last post: 08/20/2016 3:06 PM by Crabtree	4	280
08/18/2016 1:37 PM Motor Starting Calculations by davechow	Last post: 08/20/2016 3:03 PM by Crabtree	2	311
08/19/2016 3:47 PM Substation Design by Anonymous Poster	Last post: 08/20/2016 2:43 PM by lyn	8	426
08/17/2016 3:17 AM Motor Control And Drive by danialyel	Last post: 08/19/2016 1:41 PM by phoenix911	10	250
07/27/2016 9:10 AM Power System by Anonymous Poster	Last post: 08/19/2016 7:40 AM by NotUrOrdinaryJoe	12	257
08/17/2016 2:23 AM Efficiency Calculation For A VFD Drive by nvrsrinivas	Last post: 08/18/2016 1:44 PM by rwilliams	9	409
08/12/2016 6:03 AM Technician or Engineer? by 7anoter4	Last post: 08/18/2016 1:38 PM by James Stewart	43	864
08/13/2016 10:43 AM Minimax - What Is It? by tonyhemet	Last post: 08/18/2016 4:56 AM by JohnDG	24	996
08/16/2016 1:05 AM AFE/ISU In Drives - Regenerative Breaking. by cmaguna	Last post: 08/17/2016 8:44 PM by rwilliams	8	398
08/09/2016 4:48 AM Emergency Generator by eltech	Last post: 08/17/2016 11:23 AM by James Stewart	47	1244
08/16/2016 12:30 AM How Do You Convert a Synchronous Generator Inertia From 1.0 tm2 to s? by Anonymous Poster	Last post: 08/17/2016 9:16 AM by James Stewart	7	1150
08/11/2016 11:46 AM Sinamics V50 AC Drive Tripping in Power Fluctuation by gupta.a769	Last post: 08/16/2016 8:29 AM by gupta.a769	12	398
08/10/2016 2:27 PM Which Toggle Switch Would You Choose? by toofazt	Last post: 08/15/2016 2:03 PM by Brave Sir Robin	12	446
08/13/2016 12:23 PM NEMA 34 Stepper Motor Dimensional Size Question by phoenix911 ; also posted in Mechanical Engineering	Last post: 08/14/2016 3:02 PM by phph001	20	1440
05/22/2012 4:56 AM Measuring Average DC Current by JDW	Last post: 08/14/2016 9:08 AM by redfred	28	791
08/10/2016 2:34 PM Solar Inverter by Anonymous Poster	Last post: 08/13/2016 12:08 PM by Anonymous Poster	9	424
08/11/2016 10:49 AM Difference Between Neutral Voltage (Vn) and Zero Sequence Voltage (V0) by Anonymous Poster	Last post: 08/12/2016 11:40 PM by R K MOHAPATRA	3	579
08/22/2012 11:20 AM VFD Problem by Anonymous Poster	Last post: 08/12/2016 12:58 PM by dhayanandhan	8	387
08/10/2016 11:36 PM Disassembly of AC Single Phase Motor 1/2 HP by Mk10	Last post: 08/11/2016 4:47 PM by James Stewart	10	599
08/06/2016 4:30 AM Flexible Wearable Electronic Skin Patch Offers New Way to Monitor Alcohol Levels by zxcvb	Last post: 08/11/2016 5:20 AM by Luke	9	326
08/02/2016 10:01 AM Dielectric Properties of Water Emulsions by Nickjd	Last post: 08/10/2016 9:51 AM by Nickjd	21	387
08/07/2016 7:15 PM API Bubbles by deanpavil	Last post: 08/09/2016 2:25 PM by Phys	6	284
08/07/2016 7:32 PM Low Voltage on a Motor by deanpavil	Last post: 08/09/2016 11:54 AM by JRaef	11	450
08/07/2016 12:22 PM VCB Closing and Opening Coil Inrush by Anonymous Poster	Last post: 08/08/2016 3:17 PM by rwilliams	7	358
08/06/2016 8:49 AM Proper Location of OHL to Install Line Voltage by Anonymous Poster	Last post: 08/08/2016 1:38 PM by rwilliams	7	338
07/21/2016 3:03 AM Electric Arc Furnace Transformer by amitabha	Last post: 08/08/2016 4:00 AM by 7anoter4	9	295
08/05/2016 2:13 AM Vacon VFD Controller by IRESHA	Last post: 08/07/2016 5:42 AM by Crabtree	6	288
07/29/2016 9:14 AM Two Cores of Power Cable are Shorted with Ground and Still Motor is Running by Aghvel Niazi	Last post: 08/06/2016 7:13 AM by manindra	12	454
07/26/2016 1:54 AM HT Motor Winding Temperature by nvrsrinivas	Last post: 08/04/2016 4:41 AM by 7anoter4	15	761

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