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01/02/2017 1:04 AM Contactor for DOL Starter with PF Capacitor
by Selk
Last post: 01/03/2017 10:01 AM
by rwilliams
 8 411
12/26/2016 6:31 AM Stuck on Some Calculations
by bobadent
Last post: 01/02/2017 9:43 PM
by RAMConsult
 29 435
12/22/2016 11:18 AM Operate Power Plants in Remote Areas
by olivinak
Last post: 01/02/2017 7:42 AM
by 67model
 14 363
12/28/2016 6:44 PM Garage Door Opener Shaft Drive Conversion
by Redman4556
Last post: 12/30/2016 2:30 PM
by lyn
 18 378
12/24/2016 11:01 PM Tracking a Dead Circuit
by Springbank
Last post: 12/28/2016 10:07 PM
by lrsheldon
 44 943
12/20/2016 4:06 AM Stepper Motor Failing--Electrical Interference?
by zxcvb
Last post: 12/27/2016 12:24 PM
by geraldpaxton
 44 938
12/18/2016 10:25 PM Power Supply and Timer
by pc
Last post: 12/27/2016 11:14 AM
by James Stewart
 68 532
12/15/2016 5:22 AM CR4 Picture Quiz: How Many Errors, and What Are They?
by PWSlack
Last post: 12/27/2016 9:55 AM
by James Stewart
 37 804
12/21/2016 4:52 AM Power World - Transmissions Line Parameters From Table Data
by Flyckten
Last post: 12/27/2016 9:24 AM
by James Stewart
 12 588
12/25/2016 10:29 AM Old LCD Display Around 4'' Replacement
by Green1969
Last post: 12/25/2016 12:44 PM
by SolarEagle
 5 409
10/30/2016 12:30 AM Selection of Transformer and Cable Rating for A/C Units
by mohammed ismail
Last post: 12/25/2016 2:41 AM
by 7anoter4
 24 651
12/22/2016 4:14 PM Series Heating Effect vs. PF...
by Insatiably_Curious
Last post: 12/25/2016 12:35 AM
by RAMConsult
 17 332
12/23/2016 12:34 AM LED Technology COB vs. SMD
by RK GORLE
Last post: 12/23/2016 3:58 PM
by Andrew Westman
 10 380
12/17/2016 5:21 AM R448AVR in Place of R449AVR?
by John365
Last post: 12/23/2016 9:57 AM
by John365
 10 485
12/12/2016 1:12 PM High Performance Ethernet Servo Motor
by chris_hdrive
Last post: 12/22/2016 2:43 PM
by chris_hdrive
 40 364
12/12/2016 4:53 AM Marshalling Box in HV Switchyard of Power Plant
by Anonymous Poster
Last post: 12/20/2016 4:46 PM
by 67model
 10 489
12/12/2016 2:32 PM RAIL Conductor ACSR Problem
by Anonymous Poster
Last post: 12/20/2016 3:00 PM
by Anonymous Poster
 8 285
12/15/2016 3:55 PM Induction Motor
by Rabaacca
Last post: 12/19/2016 3:02 PM
by James Stewart
 12 427
11/24/2009 12:03 AM How to Calculate Locked Rotor Current
by benocrash
Last post: 12/19/2016 4:32 AM
by PWSlack
 15 19471
12/14/2016 7:47 PM Live Circuit Insulation Resistance Measurement
by nshingate
Last post: 12/18/2016 2:42 PM
by jack of all trades
 17 360
12/17/2016 5:13 AM DFIG Based Wind Turbine?
by saqib kazmi
Last post: 12/17/2016 8:20 AM
by Rixter
 1 399
04/08/2016 1:42 AM Fluorescent Bulb Failure Explanations?
by sptilton
Last post: 12/15/2016 1:09 PM
by NotUrOrdinaryJoe
 15 464
12/14/2016 3:49 AM Advantages of ONAN (Mineral Oil) Instead of KNAN (Non-Mineral Oil) Transformers
by MustArd
Last post: 12/14/2016 10:44 PM
by RAMConsult
 5 2034
12/14/2016 11:28 AM Ammeter for Motor Heater
by Progressive
Last post: 12/14/2016 6:50 PM
by lyn
 5 201
04/07/2011 12:31 PM Derivation of N=120f/P
by dhanesh.koshti
Last post: 12/14/2016 5:06 AM
by Tornado
 5 883
12/08/2016 12:57 PM Intermittent Faults - Definition
by Anonymous Poster
Last post: 12/13/2016 12:13 PM
by KeepItSimpleStupid
 30 311
12/12/2016 10:35 AM Robot Painting Santa and Christmas Tree in Realtime
by chris_hdrive
Last post: 12/12/2016 3:50 PM
by Andrew Westman
 9 201
12/10/2016 11:35 AM 24 Volt Charger
by deanpavil
Last post: 12/12/2016 12:28 AM
by Tornado
 8 328
12/08/2016 2:35 PM Thermal Overload Setting for 11kV Chiller Motors 895KW DOL Start CT Ratio 200/1
by Zaheer SCAN
Last post: 12/12/2016 12:27 AM
by 7anoter4
 11 443
12/08/2016 8:11 PM Current Transformer Composite Error Determination
by Richard Matsiko
Last post: 12/10/2016 10:31 AM
by StandardsGuy
 2 471
01/08/2013 5:35 PM Pump Jack Power
by something clever
Last post: 12/10/2016 5:44 AM
by himanshu p.
 28 778
12/08/2016 9:15 PM South Australia Power Blackout #2
by IdeaSmith
Last post: 12/09/2016 1:08 PM
by lyn
 9 256
09/14/2016 3:19 AM Operating Height For Panels
by shirish puranik
Last post: 12/09/2016 6:27 AM
by Jethin
 13 414
11/22/2016 2:01 AM Advise on Preparation Of Load Schedule
by Jethin
Last post: 12/08/2016 11:26 AM
by dkwarner
 21 660
12/05/2016 1:47 AM Under Voltage Protection In Parallel Connected Switchgear
by roykav
Last post: 12/08/2016 8:19 AM
by 67model
 9 297
12/05/2016 2:29 AM ETAP or SKM or Other EE Software
by 1capybara
Last post: 12/07/2016 11:40 AM
by Reggie.Brenden
 2 417
12/03/2016 1:30 PM IEC Symbol Meaning
by Anonymous Poster
Last post: 12/07/2016 9:48 AM
by 67model
 6 395
11/30/2016 3:27 AM Correct Delta Connection
by Anonymous Poster
Last post: 12/07/2016 8:42 AM
by ndt-tom
 33 657
09/10/2016 11:31 AM VT Primary Earthing in Ungrounded Systems
by Anonymous Poster
Last post: 12/06/2016 2:28 PM
by rwilliams
 9 703
02/03/2014 6:58 AM MCCB Tripping While Star to Delta Changeover
by stanessuresh
Last post: 12/06/2016 2:39 AM
by Olujimielegbede
 10 5562
12/03/2016 2:36 AM Harmonics & Mitigation, Power Factor, Damage from Harmonics and Power Costs
by brich
Last post: 12/05/2016 12:17 PM
by gutmonarch
 5 351
11/30/2016 3:38 PM Open Loop Poles That Are Not There?
by wannabeControlguy
Last post: 12/02/2016 7:26 PM
by wannabeControlguy
 20 579
11/29/2016 5:50 AM PT Connection
by Anonymous Poster
Last post: 12/01/2016 12:22 PM
by 67model
 5 347
11/24/2016 1:06 PM ETAP Motor Acceleration Study
by Anonymous Poster
Last post: 11/30/2016 2:55 PM
by 7anoter4
 32 723
11/26/2016 5:31 AM Ground Fault Protection in Corner Grounded Delta System
by Anonymous Poster
Last post: 11/30/2016 1:24 PM
by Crabtree
 14 1139
11/22/2016 3:58 AM Relays and Contactors in Control Circuit
by Anonymous Poster
Last post: 11/30/2016 9:04 AM
by 67model
 31 831
11/26/2016 9:26 AM Circuit Breaker OK But Elaborate Trip During Heavy Rain & Thunder
by YKC
Last post: 11/29/2016 10:53 PM
by Simon Wan
 21 1249
11/04/2016 2:12 AM What are the Problems and Failures That Would Be Hidden in Traditional Relays?
by Aliyousuf
Last post: 11/27/2016 9:37 PM
by mrbrightside
 15 320
11/24/2016 11:29 AM Intertripping in Power System
by neduet
Last post: 11/24/2016 12:31 PM
by lyn
 3 294
08/18/2010 9:37 AM kWh to KW Made Easy?
by shula
Last post: 11/23/2016 8:21 AM
by PWSlack
 48 649
11/19/2016 1:55 PM The RF Magnetics Lab Kit Demystifies Inductors
by GIrishMhatre500
Last post: 11/22/2016 5:13 PM
by yagnaumsys
 15 309
05/04/2007 10:10 PM Hub Motor for Electric Vehicles(Rotor on the outside)
by seshkanuri
Last post: 11/22/2016 7:03 AM
by SherThapa
 27 5641
02/13/2011 5:01 PM Philippine 230/240V Two Wire System to 110/120V U.S.
by tdlorenz
Last post: 11/21/2016 3:05 PM
by Kelly Brown
 51 2880
11/18/2016 1:11 PM MCCB Dilemma
by Drepain_Elec
Last post: 11/20/2016 2:01 PM
by jack of all trades
 10 293
05/06/2014 12:23 AM Cost Benefit of Harmonic Filters
by gaurav3sharma
Last post: 11/20/2016 6:04 AM
by chduarte
 13 285
11/16/2016 6:04 AM Feeder Calculation Help
by Anonymous Poster
Last post: 11/19/2016 6:30 AM
by 67model
 9 225
11/17/2016 5:41 AM Neutral Shift
by Anonymous Poster
Last post: 11/18/2016 6:42 PM
by 67model
 9 391
11/16/2016 10:20 PM Select One of Different Sized Matrices Simulink (PLC Compatible)
by aditya1
Last post: 11/17/2016 10:03 PM
by SolarEagle
 1 328
11/14/2016 6:33 AM Earth Fault
by FADHEL
Last post: 11/17/2016 11:54 AM
by James Stewart
 26 469
11/09/2016 5:58 AM Potential Transformer
by Anonymous Poster
Last post: 11/17/2016 6:16 AM
by 67model
 8 615
11/14/2016 2:49 PM Vacuum Tube Computer Module
by sptilton
Last post: 11/16/2016 8:32 PM
by Invictus411
 7 472
11/13/2016 5:25 PM Operating Hours of Lights Installed in Fire-stairs Inside a Car Park
by sibin15
Last post: 11/16/2016 5:45 PM
by sibin15
 16 349
11/15/2016 10:07 AM L-ion Cell Configuration
by greasy
Last post: 11/16/2016 5:17 PM
by SolarEagle
 16 411
11/16/2016 5:23 AM 1/3 in Symmetrical Components
by Anonymous Poster
Last post: 11/16/2016 3:59 PM
by Rixter
 5 398
11/13/2016 2:29 AM Sample Criteria for Type Testing of MCCB
by badar
Last post: 11/15/2016 5:54 PM
by PWSlack
 3 201
11/10/2016 9:19 AM Bus Bar Short Circuit Calculation
by uhammad Atif Irshad
Last post: 11/13/2016 11:58 PM
by mrmuneb
 15 483
11/12/2016 5:54 AM Did I Screw Up?
by truthsmiles
Last post: 11/13/2016 6:31 PM
by 67model
 23 440
09/06/2009 3:14 AM oil leak in transformer
by gova1467
Last post: 11/13/2016 8:50 AM
by Moses Samuel
 24 2676
11/05/2016 10:41 AM Induction Motor Taking Full Load Current at No Load in Delta Connection
by smruti ranjan
Last post: 11/12/2016 5:57 PM
by 67model
 24 1307
11/09/2016 1:12 AM Fuses on Ungrounded DC Systems
by Sebastian88
Last post: 11/12/2016 7:37 AM
by PWSlack
 10 1123
11/09/2016 8:40 AM When Does One Draw The Line On EMI?
by NotUrOrdinaryJoe
Last post: 11/11/2016 9:54 AM
by Brave Sir Robin
 17 364
11/10/2016 12:22 PM Toolbox
by ASSER
Last post: 11/11/2016 3:52 AM
by SolarEagle
 5 317
04/09/2012 5:28 AM Design MCCB Coordination Parameters
by engineer28
Last post: 11/09/2016 12:34 AM
by engineer28
 7 155
11/06/2016 2:33 AM Star/Delta Motor Circuit - The Main Circuit Breaker and Overload
by Anonymous Poster
Last post: 11/08/2016 1:29 PM
by James Stewart
 19 396
11/06/2016 3:20 PM Electric Motor
by m.kumar
Last post: 11/08/2016 1:05 PM
by NotUrOrdinaryJoe
 12 380
06/27/2011 2:06 AM Cable Voltage Rating
by sanat1987
Last post: 11/08/2016 3:48 AM
by tigerdon
 15 721
11/05/2016 11:27 AM Pls Help! Thank you :)
by Blueelephant
Last post: 11/07/2016 6:24 AM
by 67model
 8 300
11/03/2016 6:31 PM How to effectively use modern technology to reduce the effort of counting lights
by sibin15
Last post: 11/06/2016 9:48 PM
by JE in Chicago
 16 196
11/04/2016 2:57 AM Negative Sequence Relay Working
by Anonymous Poster
Last post: 11/06/2016 12:53 PM
by 67model
 3 300
11/01/2016 11:39 AM STS
by eduardomhay
Last post: 11/05/2016 2:17 PM
by PWSlack
 5 180
11/03/2016 10:40 AM TVSS vs. Surge Arrester
by dmtonyole
Last post: 11/05/2016 2:15 PM
by PWSlack
 7 481
09/26/2016 12:20 PM Over Voltage Ground Relay
by Anonymous Poster
Last post: 11/03/2016 1:27 PM
by Anonymous Poster
 7 367
10/27/2016 5:37 AM TV Fluctuation
by sujinvipin
Last post: 11/02/2016 4:53 AM
by AxaEngineers
 9 286
12/01/2006 2:26 AM Calculating Sag for Distribution Lines
by mohammedk
Last post: 11/02/2016 1:39 AM
by Kiran Voodari
 13 3638
06/17/2010 5:24 AM Transformer Testing
by shaik.thameem
Last post: 11/01/2016 9:55 PM
by prakashmanilalgandhi
 5 182
10/27/2016 6:05 AM Engineering Standards
by sajjadarshad
Last post: 11/01/2016 9:08 PM
by soebfatehi
 11 263
10/31/2016 2:28 PM KV Meter
by ASSER
Last post: 11/01/2016 2:52 PM
by 67model
 3 267
10/31/2016 12:21 AM VFD Motors...
by giri
Last post: 11/01/2016 8:22 AM
by rwilliams
 6 413
08/19/2016 11:16 AM Determining a Motor Frame Size & Phase
by tonyhemet
Last post: 10/31/2016 4:52 AM
by giri
 17 520
09/12/2016 2:23 PM Substation
by sridharganasen
Last post: 10/29/2016 1:02 AM
by Simon Wan
 7 397
10/25/2016 8:27 AM Your Experiences of PD On-site Measurement for MV Cables?
by Tremer
Last post: 10/28/2016 12:35 PM
by Tremer
 2 220
03/11/2010 5:09 AM How to Calculate Units Per Liter (UPL) for Diesel Generator
by vinoth.ac
Last post: 10/26/2016 12:38 AM
by TRUSTUS POWER ENGINEERS
 14 4522
10/23/2016 3:39 AM NFPA 70 2014 Electrical Standards
by mrmuneb
Last post: 10/25/2016 11:42 PM
by old salt
 22 593
11/02/2013 12:56 AM Capacity of C.B.
by ASSER
Last post: 10/23/2016 11:09 PM
by richpress
 5 186
10/20/2016 5:48 AM Can Anyone Answer My Hypothetical Question About Filters?
by zxcvb
Last post: 10/21/2016 10:20 PM
by Sciesis2
 9 743
10/19/2016 7:09 AM Fuse
by ASSER
Last post: 10/21/2016 10:53 AM
by 67model
 13 468
10/17/2016 3:44 PM Current Measurement
by James Stewart
Last post: 10/19/2016 9:18 AM
by James Stewart
 12 510
10/13/2016 3:39 PM Busbar Failure Between Excitation Transformer And Excitatation Board
by Anonymous Poster
Last post: 10/18/2016 5:51 PM
by 67model
 24 849
10/16/2016 4:05 PM Home AC Outlet - Voltage On 'Off'
by salisburysenior
Last post: 10/17/2016 1:35 PM
by James Stewart
 22 546
10/02/2016 1:51 PM Temperature Setting of Panel Air Conditioners
by Signode
Last post: 10/16/2016 2:32 PM
by 67model
 20 438
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