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12/21/2009 1:07 AM Calculating Busbar Size for Temperature Rise in 440V LV Panels
by shanbhag
Last post: 01/26/2018 9:42 AM
by Nikhil Talekar
 18 3846
01/24/2018 2:38 PM 3-Phase Power Design. WHY?
by freshtek
Last post: 01/25/2018 3:21 PM
by Codemaster
 10 516
01/18/2018 7:11 AM Lightning Protection for Water Steel Tanks and Zone of Protection
by mahmoud
Last post: 01/25/2018 5:52 AM
by mahmoud
 8 674
01/19/2018 11:49 AM Protection of HV Air Core Dry Type Reactors
by hakakiar
Last post: 01/24/2018 8:50 PM
by RAMConsult
 12 293
01/20/2018 8:45 AM Star Delta Starter
by S SRINIVASAN
Last post: 01/23/2018 12:07 PM
by S SRINIVASAN
 15 429
01/22/2018 6:38 AM Over Current Relay
by skaushi
Last post: 01/23/2018 1:25 AM
by skaushi
 7 377
01/21/2018 6:57 AM Suitable Class of Surge Protective Device
by skaushi
Last post: 01/22/2018 2:00 PM
by James Stewart
 9 274
02/08/2011 8:50 AM impulse withstand and power frequency of a transformer
by xformdesign
Last post: 01/19/2018 7:15 AM
by niravpatil58
 8 2052
01/17/2018 3:29 PM Amp Capacity of Extension Cords
by ronseto
Last post: 01/18/2018 12:27 PM
by SolarEagle
 23 683
01/16/2018 1:22 AM Solenoid Plug In to Higher Voltage
by Anonymous Poster
Last post: 01/17/2018 12:53 PM
by 67model
 12 218
12/08/2017 3:37 PM Switch 230 Vac Used to 120 Vac
by vvoni
Last post: 01/16/2018 12:10 PM
by hoo8975
 17 415
12/07/2017 4:36 PM Three Phase Motor with Ten (10) Leads
by RubenQ100
Last post: 01/16/2018 10:19 AM
by hoo8975
 19 646
01/11/2018 1:28 AM Standard Limit for Leakage Current
by Ronsan
Last post: 01/16/2018 5:00 AM
by PWSlack
 25 376
01/03/2018 1:01 AM FC Contactor and Breaker
by munumibraheem
Last post: 01/12/2018 2:03 PM
by NotUrOrdinaryJoe
 19 674
01/10/2018 1:43 PM Interposing Relays
by Selk
Last post: 01/12/2018 1:47 PM
by NotUrOrdinaryJoe
 7 309
12/17/2017 11:29 AM A "Hot" Drink
by phph001
Last post: 01/11/2018 5:28 PM
by LongintheTooth
 7 495
12/24/2017 2:17 PM 741 Contest
by SSCpal
Last post: 01/11/2018 5:20 PM
by LongintheTooth
 9 366
03/20/2017 6:18 AM SF6 Gas Leak Repair In AKM Kihlström Manometer
by Anonymous Poster
Last post: 01/10/2018 9:16 AM
by engilis
 2 2111
01/08/2018 3:54 PM Demand Factor and Coincidence Factor?
by Anonymous Poster
Last post: 01/09/2018 5:54 PM
by MR. Guest
 5 357
12/22/2017 10:46 AM VFD Input Fuses Blew, Suggestions?
by scott165
Last post: 01/08/2018 11:11 AM
by JRaef
 11 703
11/14/2016 5:16 AM South Australia Power Blackout
by IdeaSmith
Last post: 01/05/2018 3:40 PM
by James Stewart
 38 592
01/03/2018 12:12 AM IV Limits for 66kV n/w in EWA Bahrain
by Alwin Paul
Last post: 01/04/2018 4:43 PM
by James Stewart
 8 315
12/30/2017 10:25 AM CNC Press Break
by hossain8y
Last post: 01/01/2018 11:32 AM
by PWSlack
 11 382
12/24/2017 4:19 PM A Christmas Present
by SSCpal
Last post: 12/30/2017 12:17 PM
by SSCpal
 11 457
12/26/2017 10:36 PM Single-Phase Breaking on a Two-Pole Breaker?
by scott165
Last post: 12/29/2017 12:41 PM
by johnwhitcraft
 26 891
12/28/2017 8:05 AM Fire Pumps in Load List
by Selk
Last post: 12/28/2017 11:36 PM
by jmueller
 6 540
12/25/2017 1:01 PM Slipring Motor
by m.kumar
Last post: 12/27/2017 7:55 PM
by JRaef
 7 408
12/16/2017 11:25 PM Short Circuit Study
by Pra2_4
Last post: 12/27/2017 9:46 AM
by 67model
 13 758
12/20/2017 1:26 AM Methods Of Vegetation Control in 132/11 KV Substations In India
by sreenivasan1962
Last post: 12/24/2017 7:24 PM
by artsmith
 38 860
12/14/2017 5:44 AM Anyone Know Static Frequency Converter Other Than ABB?
by soolloos
Last post: 12/22/2017 2:28 PM
by V.I.Abraham
 11 346
09/11/2013 3:26 AM Best Software To Calculate Cable Ampacity?
by mohd.imran
Last post: 12/21/2017 6:26 AM
by Alwin Paul
 12 298
11/26/2017 8:12 PM Polarized Extension Cord Feeding Non-Polarized LED Supply Cord
by lyn
Last post: 12/20/2017 12:23 PM
by dkwarner
 49 1682
12/15/2017 4:57 AM Industrial Motors
by cab12
Last post: 12/18/2017 10:53 AM
by DavidSMullins
 48 694
12/10/2017 7:08 AM Joystick Question
by Anonymous Poster
Last post: 12/17/2017 10:44 PM
by RAMConsult
 15 454
12/09/2017 3:28 PM Ammeter Not Reading Correctly
by minggrabber
Last post: 12/17/2017 3:27 PM
by dkwarner
 71 1220
12/14/2017 9:43 AM Book Power Electronics
by Tamtmqn
Last post: 12/17/2017 1:29 PM
by jack of all trades
 8 286
12/12/2017 11:31 AM Short Circuit Current Withstand Capacity
by isatanimu
Last post: 12/14/2017 1:52 AM
by 7anoter4
 10 403
08/25/2017 3:04 AM Losses in VFD
by Rajtilak singj
Last post: 12/13/2017 9:18 AM
by daveoliver
 27 468
12/11/2017 7:59 PM Two 110VAC Supply in One Multicore Cable
by RaiMilan
Last post: 12/13/2017 8:47 AM
by daveoliver
 16 484
12/11/2017 12:48 PM Electrical Overhead Crane
by m.kumar
Last post: 12/12/2017 2:23 PM
by James Stewart
 6 440
01/07/2012 3:06 AM Positive to Earth & Negative Earth Voltage in a Healthy DC System
by giri
Last post: 12/12/2017 6:32 AM
by PWSlack
 8 1756
08/17/2017 2:29 AM Continuity Tester
by suresh sharma
Last post: 12/12/2017 2:31 AM
by suresh sharma
 17 508
08/18/2008 7:43 PM Wiring Diagram for Lincon Welding Machine
by Anonymous Poster
Last post: 12/07/2017 11:47 PM
by Listerman
 9 1003
11/27/2017 1:19 PM Photovoltaics and Inverter
by brian nuclear
Last post: 12/07/2017 12:30 PM
by James Stewart
 14 524
12/03/2017 11:50 PM Clarification Sought on Operating Sequence of a Circuit Breaker
by Pradeep Gomasta
Last post: 12/06/2017 4:17 PM
by James Stewart
 11 443
12/02/2017 6:28 AM Capacitance and Tan Delta Measurements
by Richard Matsiko
Last post: 12/06/2017 6:46 AM
by Richard Matsiko
 8 308
12/04/2017 1:38 PM Cummins PCC3200 Remote Trim
by raymon1211
Last post: 12/05/2017 12:23 PM
by James Stewart
 11 412
12/02/2017 4:14 PM Ampacity of Cu 15kV Cable in Covered Cable Tray - Triplex Single Conductor
by PALER
Last post: 12/03/2017 1:59 PM
by jack of all trades
 3 356
11/28/2017 6:20 AM Isolator Switch
by Anonymous Poster
Last post: 12/02/2017 8:04 PM
by RAMConsult
 6 387
09/13/2011 11:57 PM Why Voltage Becomes Zero During Short Circuit?
by mohsinhamid
Last post: 12/02/2017 10:45 AM
by Super88
 18 1010
11/26/2017 11:49 PM Fence Requirement For The Oil-Filled Power Transformers
by ALNOUMAN
Last post: 12/01/2017 3:56 PM
by Calnet42
 13 1218
10/28/2017 4:02 AM PT Accuracy Class 3P & 0.2S
by onlymeher
Last post: 11/30/2017 11:19 PM
by onlymeher
 6 2780
01/16/2010 8:01 AM voltage difference between neutral and ground
by Anonymous Poster
Last post: 11/29/2017 9:39 AM
by PWSlack
 12 1740
11/26/2017 7:46 PM Number of Cores of CT
by Anonymous Poster
Last post: 11/28/2017 10:07 AM
by lyn
 10 359
11/18/2017 7:47 PM HPS Ballast with Metal Halide Bulb
by Gogirl
Last post: 11/27/2017 3:04 PM
by Original_Macgyver
 44 660
11/26/2011 5:08 AM Cable Sizing of DC Cable
by nicrajkumar
Last post: 11/27/2017 8:37 AM
by BinbinB
 4 320
11/25/2017 7:50 AM CT Ratio of Zero Sequence CT
by hrizwanfarooq
Last post: 11/27/2017 3:19 AM
by PWSlack
 5 416
11/24/2017 1:12 AM Energy Savings
by nvrsrinivas
Last post: 11/27/2017 1:22 AM
by Travis Arnett
 13 472
11/17/2017 12:16 AM Plant Availability Factor in Thermal Power Station
by ANANDANRCR
Last post: 11/21/2017 4:37 AM
by Codemaster
 6 386
12/02/2012 2:33 AM Cummins Diesel Generator Fault Indication
by deepbaruah2
Last post: 11/21/2017 3:14 AM
by ChristianOu
 7 947
11/19/2017 10:16 AM MCOV Rating of LA
by Anonymous Poster
Last post: 11/20/2017 2:18 PM
by SolarEagle
 6 343
02/16/2007 1:29 AM DC Drive and Thyristor Protection-Fuse Failure
by electrical@wonderla.com
Last post: 11/19/2017 6:53 AM
by Jithesh V
 6 725
11/08/2017 9:07 AM NEC Voltage Drop
by Selk
Last post: 11/19/2017 12:05 AM
by 7anoter4
 13 450
04/13/2009 10:12 PM High Pressure Sodium Ballasts and Metal Halide Lamps
by Anonymous Poster
Last post: 11/18/2017 8:11 PM
by aurizon
 11 1347
11/14/2017 11:38 PM Best Voltage Converter?
by MV
Last post: 11/16/2017 4:01 PM
by tonyhemet
 11 379
11/14/2017 10:58 PM Changing an AC Package Unit 460 v 3 Phase to 230 v 3 Phase
by Joseplayer
Last post: 11/16/2017 1:24 AM
by brich
 14 1180
11/10/2017 2:05 AM Voltage Factor for Voltage Transformers
by electricalexpert65
Last post: 11/14/2017 11:48 AM
by 67model
 18 1553
10/18/2017 1:52 AM AVR vs OLTC
by BIKASH TALUKDAR
Last post: 11/10/2017 2:26 AM
by electricalexpert65
 8 551
10/07/2017 8:45 PM Portable Energy Generator for Impoverished Off-Grid Communities
by moatis1
Last post: 11/10/2017 1:13 AM
by moatis1
 8 392
11/06/2017 4:31 AM Sorting Wires
by prof peanut
Last post: 11/07/2017 3:32 PM
by adreasler
 13 541
11/03/2017 11:52 PM 6.6kV Vacuum Contactor (Latched) Opening Time
by raghun
Last post: 11/07/2017 7:03 AM
by 67model
 9 396
11/04/2017 11:13 PM Double Bus System
by Anonymous Poster
Last post: 11/05/2017 10:37 PM
by raghun
 3 330
10/30/2017 9:27 AM Transformer Wire Sizing
by scott165
Last post: 11/03/2017 2:40 PM
by WJMFIRE
 26 868
11/01/2017 11:41 PM Loading Up Power to A Vault
by Printing Canada
Last post: 11/03/2017 8:27 AM
by PWSlack
 8 314
11/01/2017 12:18 PM Control Stepper Motor with vhdl
by trungsave96
Last post: 11/02/2017 3:50 PM
by James Stewart
 16 360
09/23/2017 6:16 AM Transformer
by Anonymous Poster
Last post: 11/02/2017 4:27 AM
by shelleyvector
 5 342
10/23/2017 12:37 PM Turbo Generator Loss of Excitation
by niaziel
Last post: 11/02/2017 4:22 AM
by shelleyvector
 6 351
10/28/2017 4:33 AM BLDC Motor Torque at Start
by pc
Last post: 10/31/2017 3:43 PM
by 7anoter4
 7 762
10/27/2017 4:29 AM Discharge of Short Circuit Current in Transformer Cable Box
by bonala123
Last post: 10/31/2017 1:01 PM
by adreasler
 11 334
10/29/2017 3:21 PM A Reference for Overdamped Networks (Systems) in Electronics
by spring17
Last post: 10/31/2017 10:25 AM
by James Stewart
 10 366
10/29/2017 4:46 AM Gen Voltage
by bibi
Last post: 10/30/2017 2:11 PM
by James Stewart
 13 390
07/25/2017 10:00 AM How to Design a Thyristor Gate Driver Circuit
by tate
Last post: 10/30/2017 9:36 AM
by James Stewart
 24 2060
10/25/2017 10:42 PM NGR Grounding
by Toy8171
Last post: 10/29/2017 2:49 PM
by Bazzer Englander
 8 476
10/04/2017 3:52 PM Universal Front End for Industrial Controls, Anyone?
by NotUrOrdinaryJoe
Last post: 10/27/2017 3:19 PM
by adreasler
 21 438
10/26/2017 6:21 AM Sudden Short Circuit Test
by jan63
Last post: 10/27/2017 4:05 AM
by pcchatur
 4 498
02/28/2017 6:55 AM Smoke Detector Above Suspended Ceiling
by Anonymous Poster
Last post: 10/27/2017 12:48 AM
by BartCraft
 12 2897
10/24/2017 11:30 PM Fault Levels
by jan63
Last post: 10/26/2017 1:54 PM
by PeterT
 10 407
10/24/2017 4:47 AM How To Make Control Diagram For A Double Speed Motor
by Anonymous Poster
Last post: 10/25/2017 9:44 AM
by rwilliams
 9 890
02/04/2012 3:02 AM Line Following Circuit
by Johan van Niekerk
Last post: 10/22/2017 1:42 PM
by Kerry
 10 222
09/30/2017 2:48 PM Compute Sequence Impedance for A Cable Tray
by Anonymous Poster
Last post: 10/22/2017 10:17 AM
by 7anoter4
 4 265
06/24/2016 2:43 PM Induction Motor Acting as Generator
by Anonymous Poster
Last post: 10/22/2017 3:09 AM
by dhayanandhan
 19 562
10/16/2017 12:53 AM Burning of 3TF 57 Siemens Contactors Coils 3TY7573-0C
by nvrsrinivas
Last post: 10/21/2017 6:55 AM
by 7anoter4
 10 419
07/28/2007 5:34 AM bus bar rating
by bhupender
Last post: 10/17/2017 12:47 PM
by dhayanandhan
 15 5963
10/17/2017 2:52 AM ML200 (Honeywell PLC) DO Card Failure
by sostoall
Last post: 10/17/2017 12:24 PM
by James Stewart
 3 601
10/15/2017 9:19 AM LED Batten Vs LED Bulb
by Sanjayvt
Last post: 10/17/2017 7:06 AM
by phph001
 10 807
10/11/2017 12:29 PM Designing a Speaker
by gutmonarch
Last post: 10/14/2017 8:20 PM
by ronseto
 50 723
10/09/2017 5:21 PM GFCI Ponderings
by truthsmiles
Last post: 10/14/2017 9:34 AM
by rwilliams
 18 558
10/08/2017 5:47 PM Testing SCR
by Durguy
Last post: 10/12/2017 8:07 AM
by 67model
 11 622
10/08/2017 4:57 AM Which Is Preferred? VFD or Capacitor Banks for PF Improvement?
by Anonymous Poster
Last post: 10/11/2017 8:51 PM
by gutmonarch
 22 1159
09/24/2010 5:08 AM Rectifier and Diode ?
by Anonymous Poster
Last post: 10/11/2017 7:58 AM
by Anonymous Poster
 3 117
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