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09/09/2014 4:01 PM

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Inverter, Atex motors, star, delta

10/31/2014
posted in Electrical Engineering
by Joe9
Dear Friends, I need technical solution for my problem; Specification: I have two motors, type: 1. HCT/ATEX 45-2T-2 (R/MIN=2800), (400V-3,60A)...
Pathfinder Tags: Atex motors delta inverter star
Views: 34, Comments: 3
Last comment 10/31/2014 by lyn
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How to Censor English Movies??

10/31/2014
posted in Software & Programming
by ahmadarshad
Dear Friends, I have downloaded lot of movies which are very good stories but some bad scenes which i want to censor some scenes of movies then i wil...
Views: 100, Comments: 11
Last comment 10/31/2014 by Kris
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Use of Optical Fiber in Motor Control.

10/31/2014
posted in Electrical Engineering
by Anonymous Poster
Hi, In induction motor, bridge control is made from external fiber optic IGBT gate signals. 1. How can induction motor control be achieved through t...
Views: 63, Comments: 6
Last comment 10/31/2014 by North of 60
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2mm Gap in BDV Test Kit.

10/31/2014
posted in Electrical Engineering
by sunil singh85
why 2mm gap is given in the BDV test kit .
Views: 63, Comments: 4
Last comment 10/31/2014 by spades
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Road Lighting Specialist

10/31/2014
posted in Engineering Careers
by btbsilent
Highways Agency is looking for a Road Lighting Specialist in Bristol, Leeds, Manchester, Birmingham, Bedford, Guildford and Exeter The Highways Agenc...
Views: 33, Comments: 0
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A Problem in Governing Valve, Seems Like a Leakage in There , But It is Not

10/31/2014
posted in Mechanical Engineering
by iphun
i have trouble in my plant. this turbine is condensing turbine type. it is Mitsubishi. normal inlet pressure team is 40kg/cm2. and inlet temprature st...
Views: 53, Comments: 4
Last comment 10/31/2014 by iphun
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Difference Between MoP and Mop Safe

10/31/2014
posted in Electrical Engineering
by Parminder641
Hi, I have Siemens Sinamics G120 (CU240B-2). During commissioning, in setpoint parameter, it offers various options; MoP and Mop Safe, ASP and ASP Sa...
Views: 52, Comments: 2
Last comment 10/31/2014 by Plimos
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Earth Fault in Parallel Operating Gensets

10/31/2014
posted in Electrical Engineering
by Anonymous Poster
Dear all, please see the attached diagram, 4nos. 3.3kv, 2000kVA gensets are working synchronised, all of its neutral earthed individually without any...
Views: 55, Comments: 2
Last comment 10/31/2014 by Anonymous Poster
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Hydrotest Using Map in Lieu of MAWP

10/30/2014
posted in Mechanical Engineering
by namasral
As per Petronas PTS stated , hydrotest shall be performed as per the code, however MAP shall be used in lieu of MAWP. And my client said to use MAP of...
Pathfinder Tags: Hydrotest MAWP
Views: 122, Comments: 2
Last comment 10/31/2014 by Lawrence
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Running of a 500V Compressor Motor On 400V

10/30/2014
posted in Electrical Engineering
by Signode
Dear Friends; We have a screw air compressor Atlas Copco GA808 which has a 75KW 500V motor runs on star delta. As we have 400V power supply system,...
Views: 262, Comments: 20
Last comment 10/31/2014 by IQ
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VSD Allen Bradley 753

10/30/2014
posted in Electrical Engineering
by eltech
I was just curious why the set speed does not match the feedback speed , an error about 3%. The Drive was initially set on sensorless vector, tuned a...
Views: 141, Comments: 5
Last comment 10/31/2014 by Plimos
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Emergency Drive

10/30/2014
posted in Mechanical Engineering
by lvbprasad
I have a rack and pinion mechanism that is prime moved by a hydraulic motor and has all the components like gear box, couplings and brake etc. the equ...
Views: 194, Comments: 8
Last comment 10/31/2014 by Lynn.Wallace
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Min Clearance From Transformer To Building

10/29/2014
posted in Electrical Engineering
by sahababu71
Whats the minimum clearance required from transformer oil containment to building window or door without fire wall. Its 240 kv 400 MVA transformer wit...
Views: 230, Comments: 9
Last comment 10/31/2014 by GameJudge
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Need to Raise 60lbs with a Small Electric Motor

10/25/2014
posted in Mechanical Engineering
by yodelacres
Hello everyone! I apologize for not being an engineer, however I do raise cattle. haha. I have some ceiling fans in my barns that I am wanting to rai...
Views: 492, Comments: 64
Last comment 10/30/2014 by Yahlasit
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Dual Direction Electric Generator

10/28/2014
posted in Mechanical Engineering
by imfisher
My lab is trying to build a rack and pinion system that turns an electric generator. We want to be able to determine the power output of this electric...
Views: 331, Comments: 44
Last comment 10/29/2014 by bigg
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Pyrolytic Carbon And Magnetic levitation

10/28/2014
posted in General Discussion
by HiTekRedNek
Has anyone purchased one of the levitating magnetic toys that use pyrolytic carbon ? I have seen videos of it on you tube,and a question came to mind...
Views: 366, Comments: 39
Last comment 10/31/2014 by tommm
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Pedestrian Suspension Bridge

10/26/2014
posted in Civil Engineering
by bryngary
I need to build a 40 ft long pedestrian suspension bridge capable of supporting 600 lbs at its center point. The maximum ht above the ground will be a...
Views: 572, Comments: 39
Last comment 10/29/2014 by old salt
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Hydro Power

10/29/2014
posted in Electrical Engineering
by daveh
I know of a watermill, now converted to a smallish up-market hotel; with guests and staff, about 25 people. The millstream - now unused - provides an...
Pathfinder Tags: hydro power
Views: 403, Comments: 36
Last comment 10/31/2014 by Plimos
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Crimping Electrical Joints in Cooking Appliances

10/29/2014
posted in General Discussion
by jonpatterns
Hi all I have recently been repairing a crepe cooker and a hotplate where the thermal fuse has gone. My problem is how best to make the joints betwee...
Pathfinder Tags: crimp cooking joint
Views: 261, Comments: 24
Last comment 10/31/2014 by RAMConsult
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Icy Imbalance: Newsletter Challenge (November 2014)

11/01/2014 posted in Challenge Questions
This month's Challenge Question: Specs & Techs from IHS Engineering360: The two poles of the Earth contain ice. Why does Antarctica have much mo...
Pathfinder Tags: challenge questions
Views: 4, Comments: 0
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Do You Need A Bacon Manual?

11/01/2014 posted in Food & Beverage Technology
by Chelsey H
Do you need a bacon manual? I didn't think I did until I read this article "Basically Everything You Need to Know About Buying, Cooking, and Loving...
Views: 1, Comments: 0
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Treated Frac Water: Still Unsafe?

11/01/2014 posted in Water & Wastewater Systems
by IHS GlobalSpec eNewsletter
A new study has increased concerns about the threat to drinking water supplies posed by so-called "fracking." The study, discussed in this Laborator...
Views: 0, Comments: 0
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Caption This for 10/31/14

10/31/2014 posted in Caption This!
by Kaplin
This week's image: Be sure to vote for your favorite caption!
Pathfinder Tags: Caption this engineering images funny images Halloween pumpkin
Views: 129, Comments: 26
Last comment 10/31/2014 by Ed Watts
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Wyoming Wind and Utah Storage Light Up LA

10/31/2014 posted in Alternative & Renewable Energy Blog
by IHS GlobalSpec eNewsletter
What do you get when you combine a 2100 MW Wyoming wind farm, billions of cubic feet of compressed air energy storage in Utah, and an existing tra...
Views: 54, Comments: 0
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Adding Sizzle to Spark Plugs

10/30/2014 posted in Hemmings Motor News Blog
by dstrohl
Let's face it, spark plugs weren't known for igniting the imagination (too soon for a bad pun?). Despite having "spark" in the name and initiatin...
Pathfinder Tags: art innovation spark plugs
Views: 245, Comments: 8
Last comment 10/31/2014 by 70AARCuda
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Safety Concerns of Oil by Rail

10/30/2014 posted in OH CR4P!
by cheme_wordsmithy
Historically, most oil in the U.S. has been transported via pipeline. In 2008, the U.S. saw the rise of a new alternative for crude oil shipment - rai...
Views: 187, Comments: 16
Last comment 10/31/2014 by tcmtech
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Google to Fund U.S.-to-Japan Fiber Optic Undersea Cable

10/30/2014 posted in Wire and Cable Technology Blog
by IHS GlobalSpec eNewsletter
Google and five Asian telecom companies are funding an underwater fiber optic cable system that will connect the U.S. West Coast and Japan. With a...
Views: 85, Comments: 1
Last comment 10/31/2014 by Lonewolf
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Stopping Car Thieves With an SMS

10/29/2014 posted in MotorBeat
by Jordan Perch
Car theft is one of the most common crimes in the United States, with almost 700,000 vehicles stolen in 2013, and a very small percentage of them b...
Pathfinder Tags: car theft car thieves III Kenya SMS ...
Views: 253, Comments: 13
Last comment 10/31/2014 by LOCKDUKE
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The Beginning of the End for Near-Field Communication?

10/29/2014 posted in Networking & Communications
by HUSH
When near-field communication first became available in smartphones, I happened to be in the market for a new one. Enticed by effortless transaction...
Pathfinder Tags: near field NFC RFID transaction
Views: 117, Comments: 1
Last comment 10/31/2014 by Steve
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Reshoring Gains Momentum

10/29/2014 posted in GEA's Global HVAC Technology Blog
by larhere
Earlier this month we highlighted a BCG study ("The Shifting Economics of Global Manufacturing") showing the dramatic changes in manufacturing competi...
Pathfinder Tags: China factory Global global manufacturing global sourcing
Views: 83, Comments: 3
Last comment 10/31/2014 by Yahlasit
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After a 25-Year Slumber, the VH1/Peter Max Corvettes Resurface

10/29/2014 posted in Hemmings Motor News Blog
by dstrohl
In 1990, a Long Island carpenter by the name of Dennis Amadeo Amodeo won the prize of a lifetime for a Corvette fan: one of every year Corvette...
Pathfinder Tags: classic auto corvette restoration
Views: 191, Comments: 0
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New Networks Required for IoT

10/29/2014 posted in Wireless Technology Blog
by IHS GlobalSpec eNewsletter
With more than 20 million Internet of Thing (IoT) devices expected to relay information over the Internet by 2022, wireless carriers know that tod...
Views: 49, Comments: 0
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Why Is There Plastic In My Toothpaste?

10/28/2014 posted in Elasto Proxy's Sealing Solutions Blog
by Doug Sharpe
"I've been seeing these blue particles flush out of patients' gums for several months now," wrote Trish Walraven, a dental hygienist from Texas....
Views: 401, Comments: 17
Last comment 10/31/2014 by Yahlasit
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The Atlantic Apprenticeships: Why Germany Is So Much Better at Training Its Workers

10/28/2014 posted in Speaking of Precision
by Milo
The need for talent is a universal concern- in Germany and in North America. The German apprenticeship model is effective in Germany. But can it b...
Pathfinder Tags: apprentice employment training
Views: 230, Comments: 5
Last comment 10/30/2014 by Unredundant
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How I Made and Lost Nearly $500,000 on Old Cars in a Few Months

10/28/2014 posted in Hemmings Motor News Blog
by dstrohl
[Editor's Note: Tom Hardy uploaded the following story about four Buick Skylarks that he let slip away to the My Hemmings pages and we thought it wor...
Pathfinder Tags: auction buying classic auto selling
Views: 250, Comments: 3
Last comment 10/29/2014 by phoenix911
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