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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
06/11/2008 6:32 AM Calculation of substation earthing by Anonymous Poster	Last post: 11/27/2009 4:28 AM by Anonymous Poster	5	1027
11/23/2009 12:21 PM Magnetic Contactor by Anonymous Poster	Last post: 11/27/2009 2:02 AM by tootje	6	186
11/25/2009 12:34 PM UPS PM Standards by tpgregg	Last post: 11/27/2009 1:39 AM by Sapper	6	202
11/25/2009 2:12 PM Help with a toroid by TVP45	Last post: 11/26/2009 12:53 PM by TVP45	4	149
11/25/2009 3:15 AM motor/driver prob by Anonymous Poster	Last post: 11/26/2009 11:11 AM by Anonymous Poster	4	249
11/24/2009 8:11 AM Can I use a 60hz 230v microwave oven in 230V 50hZ ? by Anonymous Poster	Last post: 11/26/2009 10:33 AM by Drew K	6	873
11/26/2009 6:00 AM IPS tube specification by Nayan Kothari	Last post: 11/26/2009 9:25 AM by lyn	1	99
11/22/2009 12:09 AM Selecting Switch Gear and Components by bern2009	Last post: 11/26/2009 9:14 AM by tootje	11	329
11/20/2009 7:25 AM motor single phasing or double phasing by ramydiab	Last post: 11/26/2009 5:58 AM by kvsridhar	10	425
05/22/2009 4:16 AM Railway Traction Supply by byjuram	Last post: 11/25/2009 10:32 PM by Emjay4119	7	224
11/23/2009 2:11 AM MCCB tripping reasons by Anonymous Poster	Last post: 11/25/2009 5:23 PM by Taslim	6	934
11/17/2009 1:12 AM Measuring 3-Wire AC Power by dnardi	Last post: 11/25/2009 5:20 PM by Sapper	15	317
10/13/2009 5:30 AM Type 2 Coordination for 3.3 kV Motors by Ajay Patel	Last post: 11/25/2009 4:36 PM by JRaef	10	657
11/05/2009 1:23 AM GE DC300 Drive - Fuse Failure by Anonymous Poster	Last post: 11/25/2009 11:27 AM by GW	11	478
10/27/2009 12:39 PM Voltage Dip preventor by mridul chanda	Last post: 11/25/2009 11:14 AM by mridul chanda	4	165
11/23/2009 4:31 PM Maintaining Electrical Equipment in Hazardous Areas by Anonymous Poster	Last post: 11/25/2009 10:01 AM by Anonymous Poster	8	213
11/18/2009 2:10 AM Earthing Capacity by Anonymous Poster	Last post: 11/25/2009 8:20 AM by Anonymous Poster	5	126
11/17/2009 7:51 AM Rotor Bars by bipc54	Last post: 11/25/2009 7:46 AM by nesubra	6	159
11/24/2009 12:37 PM sine wave by adam1729	Last post: 11/25/2009 6:53 AM by jayasankar	5	117
03/06/2008 9:05 AM scott-t transformer by Anonymous Poster	Last post: 11/25/2009 6:35 AM by Anonymous Poster	4	515
11/24/2009 3:00 AM UPS Galaxy3000 20KVA Problem by Ali Saqlain	Last post: 11/25/2009 1:40 AM by Ali Saqlain	5	159
11/21/2009 11:11 AM Site commissioning of 15/0.38 kV Distribution Transformers by aindatissa	Last post: 11/24/2009 9:25 PM by electricalexpert65	7	345
11/19/2009 8:58 AM Sizeing the under current or power for pump protection by Anonymous Poster	Last post: 11/24/2009 6:05 PM by capblanc	4	122
11/20/2009 10:08 AM kwh from Kva by Anonymous Poster	Last post: 11/24/2009 5:53 PM by wareagle	12	332
11/16/2009 5:29 AM Using PTCs on Small Motors With VFDs by kamathews	Last post: 11/24/2009 5:30 PM by SimpleMind	11	560
11/24/2009 9:00 AM Servo Motor and VFD by Vipin	Last post: 11/24/2009 4:37 PM by JRaef	2	105
11/24/2009 1:49 PM UL50E hosedown test by Anonymous Poster	Last post: 11/24/2009 4:31 PM by Graebeard	1	620
11/18/2009 10:18 PM Lenze 9300 Vector VSD Service Manual by Johny451	Last post: 11/24/2009 3:17 AM by Johny451	4	370
11/20/2009 10:59 AM Walks-in-Storms' VAWT Project by Walks-in-Storms	Last post: 11/23/2009 10:33 PM by Walks-in-Storms	15	964
05/07/2009 2:03 AM Connecting Wind Turbines to the Grid by Ani-Luo ; also posted in Sustainable Engineering	Last post: 11/23/2009 6:40 PM by Anonymous Poster	14	526
11/19/2009 3:40 AM Single Phase Motor Connections by kuldipkenya	Last post: 11/23/2009 2:43 PM by subhajit	9	265
11/17/2009 4:07 AM Relationship PF with Maximum Power Output in Diesel Generator by samrand	Last post: 11/23/2009 10:40 AM by nezihozfirat	7	257
11/18/2009 4:35 AM Tester Schematics Needed by Yuri B.	Last post: 11/23/2009 9:17 AM by Yuri B.	7	162
11/17/2009 5:33 AM neutral current by needtoknow	Last post: 11/23/2009 7:17 AM by needtoknow	11	175
11/22/2009 11:09 AM Frequent failure of HT fuse inside the VCB @ 22 KV line by g_nraja	Last post: 11/23/2009 5:41 AM by anand.mandarapu	2	228
11/16/2009 11:24 PM Fluorescent Bulbs and Cold Weather Starts by elnav	Last post: 11/23/2009 4:38 AM by Kyzine	53	671
11/22/2009 11:00 AM power factor by sghoshirca	Last post: 11/23/2009 3:04 AM by PWSlack	3	318
11/18/2009 4:24 PM Maximum Run of EMT Conduit by rptak	Last post: 11/23/2009 12:13 AM by EV1guy2004	11	461
08/07/2009 4:15 AM How to Calculate Maximum Demand by rkc	Last post: 11/22/2009 11:29 PM by KKK	10	1571
11/14/2009 5:25 PM Purpose of SCRs in Power Factor Circuit by Greenja	Last post: 11/22/2009 5:09 PM by Greenja	31	4420
11/21/2009 2:16 PM CT coil question by TAT	Last post: 11/22/2009 2:17 PM by nezihozfirat	8	399
11/21/2009 8:50 AM Power cable capacitance by rbmatic	Last post: 11/22/2009 1:21 PM by nezihozfirat	9	1448
11/19/2009 2:13 AM Differences Between Magnetic Contactors by Jacob	Last post: 11/22/2009 6:59 AM by kvsridhar	6	1152
11/21/2009 9:33 PM scada parameters by Anonymous Poster	Last post: 11/22/2009 5:44 AM by donny_t3fd	1	104
11/18/2009 9:16 AM LL & LG Fault Causes Negative Sequence Current? by JOSHIKD	Last post: 11/22/2009 4:50 AM by electricalexpert65	4	136
11/18/2009 11:36 PM TNS Systems and BS7671 by zub_kci	Last post: 11/22/2009 4:44 AM by electricalexpert65	3	240
11/19/2009 2:27 AM Voltage Levels as per IE Rules by Anonymous Poster	Last post: 11/22/2009 4:26 AM by electricalexpert65	3	227
11/19/2009 8:46 AM difference between smps & regulated dc source by onlymeher	Last post: 11/22/2009 4:22 AM by electricalexpert65	3	220
11/19/2009 10:50 AM substation by eeeparthi	Last post: 11/22/2009 4:18 AM by electricalexpert65	3	155
11/20/2009 5:45 AM Lightening earthing by anand.mandarapu	Last post: 11/22/2009 4:16 AM by electricalexpert65	2	139
11/15/2009 6:07 AM connecting two power transformer in parallel by Anonymous Poster	Last post: 11/21/2009 9:20 PM by Anonymous Poster	8	329
11/18/2009 2:49 PM Surface Heater Suppliers by Anonymous Poster	Last post: 11/21/2009 11:38 AM by Yuri B.	8	87
11/17/2009 12:12 PM Earthing the Neutral? by PhilTilson	Last post: 11/21/2009 3:27 AM by Mr. Truman Brain	10	216
11/18/2009 1:09 AM Low Voltage Generator vs. Medium Voltage Generator by Dalton	Last post: 11/20/2009 11:13 PM by babybear	8	892
11/18/2009 8:05 AM U.S. Suppliers of Relay Components by jeffserv	Last post: 11/20/2009 7:24 PM by TVP45	18	120
11/18/2009 6:36 AM Transformer Design by saurabhpareek002	Last post: 11/20/2009 1:51 PM by saurabhpareek002	4	179
11/19/2009 7:15 AM First pole to clear factor by indranil chakrabortty	Last post: 11/20/2009 10:35 AM by msamad	2	1755
11/18/2009 9:56 PM Surface Coating for Copper Busbar by Yasser	Last post: 11/20/2009 7:32 AM by welderman	9	614
11/20/2009 5:42 AM Current Transformers for Measuring Purpose by Kaandeeban	Last post: 11/20/2009 5:55 AM by anand.mandarapu	1	146
11/17/2009 6:50 AM Timing test on power circuit breakers... by hitxyker	Last post: 11/20/2009 4:29 AM by pskaran	2	96
11/13/2009 5:30 PM Switchgear Control Circuit by msamad	Last post: 11/19/2009 11:41 PM by msamad	5	227
11/15/2009 3:16 AM Mosfets in parallel? by Anonymous Poster	Last post: 11/19/2009 5:19 PM by Anonymous Poster	30	491
11/19/2009 12:27 PM lathe machine by rana hasan	Last post: 11/19/2009 2:31 PM by Doorman	1	118
11/15/2009 10:01 AM new member :) by voltage	Last post: 11/19/2009 1:40 PM by voltage	6	120
11/18/2009 9:05 AM Sheilded Control Wiring - Tied to Ground or Tied to Common? by gdjones	Last post: 11/19/2009 12:07 PM by WJMFIRE	5	162
11/19/2009 10:08 AM electrical safety by zafar	Last post: 11/19/2009 10:47 AM by NotUrOrdinaryJoe	1	202
11/19/2009 8:19 AM EDMI Energy Meter through MODBUS to Yakagawa DCS by Anonymous Poster	Last post: 11/19/2009 8:31 AM by PWSlack	1	142
11/19/2009 2:57 AM PLUG AND SOCKET Connection modules suppliers by eng_cupido	Last post: 11/19/2009 5:51 AM by Anonymous Poster	2	73
11/18/2009 5:25 AM HID Fuses by eng_cupido	Last post: 11/19/2009 3:41 AM by PWSlack	3	77
11/18/2009 3:06 AM Varnish Electric Motor Windings by kuldipkenya	Last post: 11/19/2009 3:33 AM by kuldipkenya	8	284
11/16/2009 3:42 PM Power Measurements by babak_5	Last post: 11/18/2009 2:28 PM by MalcolmK	4	173
11/15/2009 11:12 PM Subwoofer Near UPS by Premium	Last post: 11/18/2009 1:44 PM by shriketexas	17	562
10/17/2009 8:48 AM PROVIDING INSULATED BEARING FOR VFD APPLICATION for NON-DRIVE END OF THE MOTOR. by dhayanandhan	Last post: 11/18/2009 1:30 PM by Anonymous Poster	7	750
11/15/2009 11:41 PM MCCBs vs. ELCBs - Definition and Usage by VISWANATHAN KARTHIKEYAN	Last post: 11/18/2009 12:32 PM by Anonymous Poster	2	635
11/16/2009 10:34 PM Power Factor Correction by ncalb55	Last post: 11/18/2009 9:37 AM by marcot	4	288
11/14/2009 10:05 PM Schedule For Greasing Of Motors Bearing by Signode	Last post: 11/18/2009 8:55 AM by Anonymous Poster	4	203
11/16/2009 3:09 AM Reverse Power on Generator - CAT 3512 by ELTONBARBARARIGELECTRICIA	Last post: 11/18/2009 8:01 AM by av_nut	11	992
11/16/2009 5:01 AM Energy Efficiency Using VFD and IE2/IE3 Motor Vs. Starter and Standard Motor by Anant Shelar	Last post: 11/18/2009 7:50 AM by Florence	9	902
11/14/2009 8:35 PM Driving a big amps circuit by adhyartha	Last post: 11/18/2009 6:49 AM by Anonymous Poster	9	214
11/17/2009 1:54 AM Relationship - Total RMS Sound Output and Total RMS Electrical Input by Premium	Last post: 11/18/2009 4:05 AM by Haajee	4	155
11/12/2009 8:31 PM Gradual LED Failure by cube wave	Last post: 11/18/2009 3:07 AM by MNIce	25	505
11/17/2009 11:05 PM NETA vs IEEE43 for Insulation Resistance Testing by dabdool	Last post: 11/17/2009 11:05 PM by dabdool	0	204
11/16/2009 5:58 PM How do we detect Islanding of generator from mains without mains breaker status? by jhonson	Last post: 11/17/2009 10:33 PM by electricalexpert65	4	114
11/17/2009 6:10 PM SF6 and Greenhouse effect by Atilio	Last post: 11/17/2009 7:37 PM by jack of all trades	1	105
11/16/2009 3:04 AM Transformer Neutral-Ground Connection by EnB	Last post: 11/17/2009 1:37 PM by Anonymous Poster	3	385
11/15/2009 11:10 AM Reduction in current capacity by half of any 2 pole MCB by Anonymous Poster	Last post: 11/17/2009 1:30 PM by Anonymous Poster	6	159
11/16/2009 3:16 AM Motor Terminology by wingman1985	Last post: 11/17/2009 11:15 AM by Doorman	8	203
10/13/2009 12:47 PM MOT Spot Welder by dequinox	Last post: 11/17/2009 9:51 AM by Anonymous Poster	6	535
11/16/2009 11:58 PM Testing of windings HV AC MOTORS up to 11KV by Anonymous Poster	Last post: 11/17/2009 9:39 AM by electricalexpert65	2	149
11/17/2009 1:23 AM Relay selection by Anonymous Poster	Last post: 11/17/2009 9:36 AM by electricalexpert65	3	128
11/17/2009 2:56 AM Medium Voltage Wye-Delta Grounding by Anonymous Poster	Last post: 11/17/2009 9:31 AM by electricalexpert65	2	196
11/16/2009 10:36 PM Eelectrical Engineering by Anonymous Poster	Last post: 11/17/2009 6:18 AM by V.I.Abraham	3	121
11/15/2009 11:34 AM 4 Pole Isolator by Anonymous Poster	Last post: 11/17/2009 6:16 AM by Anonymous Poster	4	201
11/16/2009 4:11 AM fuses by eng_cupido	Last post: 11/16/2009 10:46 PM by lyn	16	164
11/09/2009 12:07 AM Transformer Impedance by Anonymous Poster	Last post: 11/16/2009 6:49 PM by wareagle	12	447
11/04/2009 7:19 AM Soft Starter Connections to Three-Phase Motors by Gordhutch	Last post: 11/16/2009 6:17 PM by lyn	9	495
11/16/2009 1:17 PM Induced voltage by Anonymous Poster	Last post: 11/16/2009 2:51 PM by Taslim	2	134
11/11/2009 1:57 AM Distribution Voltage Problems by bmadhu_srao	Last post: 11/16/2009 10:22 AM by Anonymous Poster	18	299
11/16/2009 2:58 AM Can MCCB detect imbalance? by Anonymous Poster	Last post: 11/16/2009 9:13 AM by PWSlack	6	305
11/15/2009 1:57 AM CFL illumination control by Dimmer by Anonymous Poster	Last post: 11/16/2009 6:15 AM by Nigh	7	326

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