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392 pages

Fundamentals of Electrical Drives

Creator: G. K. Dubey | Technology & Engineering - 2002-05-01

Encouraged by the response to the first edition and to keep pace with recent developments, Fundamentals of Electrical Drives, Second Edition incorporates greater details on semi-conductor controlled drives, includes coverage of permanent ...

Publisher: CRC Press

About this book
Encouraged by the response to the first edition and to keep pace with recent developments, Fundamentals of Electrical Drives, Second Edition incorporates greater details on semi-conductor controlled drives, includes coverage of permanent magnet AC motor drives and switched reluctance motor drives, and highlights new trends in drive technology. Contents were chosen to satisfy the changing needs of the industry and provide the appropriate coverage of modern and conventional drives. With the large number of examples, problems, and solutions provided, Fundamentals of Electrical Drives, Second Edition will continue to be a useful reference for practicing engineers and for those preparing for Engineering Service Examinations.



349 pages

Epicyclic Drive Trains, Analysis, Synthesis, and Applications

Creator: Herbert W. Müller | Transportation - 1982

This book presents a clear and concise description of a multitude of revolving gear trains in terms common to all, whereas previous publications have been limited to treatment on interesting subproblems.

Publisher: Wayne State University Press

About this book
This first English-language edition is a completely revised and expanded version of Die Umlaufgetriebe, published by the Springer-Verlag in 1971. It will be extremely useful to American engineers since it stresses the efficiencies of new and existing transmission designs and provides concise guide rules as well as worksheets. A thorough understanding of the sometimes difficult material is facilitated through the use of both schematic and symbolic diagrams. The book is profusely illustrated and analyzes many applications. These drives receive an unusually clear treatment because at Dr. Müller’s discovery of their perfect analogy to the simple epicyclic drive trains.Unified methods of analysis and synthesis of complex drives are employed throughout, suggesting that further simplifications may be possible through the use of a multivalued logic system which is analogous to the bivalent logic system of digital electronics.This book presents a clear and concise description of a multitude of revolving gear trains in terms common to all, whereas previous publications have been limited to treatment on interesting subproblems. Its well-reasoned definitions and classifications will aid engineers in the selection and design of the best drives for any given application.



82 pages

Instant Google Drive Starter

Creator: Mike Procopio | Computers - 2013-01-01

The Google Drive user interface The Google Drive user interface (Ul) is the screen you see when you visit the main Google Drive page with your web browser (located at httosJ/drivegpoglecom). It's made up of seven main sections and looks ...

Publisher: Packt Publishing Ltd

About this book
This book is a Starter which teaches you how to use Google Drive practically. This book is perfect for people of all skill levels who want to enjoy the benefits of using Google Drive to safely store their files online and in the cloud. It's also great for anyone looking to learn more about cloud computing in general. Readers are expected to have an Internet connection and basic knowledge of using the internet.


1000 GB and Up Directory

Google Drive - Cloud Storage & File Backup for Photos ...
Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

G-DRIVE | G-Technology
G-DRIVE is backed by a standard 3-year limited warranty and unlimited free technical support by representatives experienced with the latest content creation applications.

Buy G-Drive - Microsoft Store
This application is a reference to "Google-Drive" website. Google Drive is a file storage and synchronization service provided by Google, released on April 24, 2012 ...

Products | G-Technology
G-DRIVE slim SSD USB-C delivers super fast SSD performance and ... A part of the Evolution Series family of products, the G-DOCK ev with Thunderbolt is a ...

G-Technology G-Drive mobile USB-C review - CNET
The G-Drive Mobile USB-C comes with two standard USB cables, permitting it to work with any computer on the market. Dong Ngo/CNET


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Editor's picks

  • G-Technology

    G-Technology G-DRIVE mobile USB Portable USB 3.0 Hard Drive 1TB (7200RPM) (0G02874)

    Personal Computer (G-Technology)

    Rating (234 reviews):
    (4.3/5)
    G-Technology

    This hard drive is awesome! It is very fast and works perfectly for ...

    5/5 Red Thunderbird - See all my reviews Verified Purchase(What's this?) This review is from: G-Technology G-DRIVE mobile USB Portable USB 3.0 Hard Drive 1TB (7200RPM) (0G02874) (Personal Computers) This hard drive is awesome! It is very fast and works perfectly for my MacBook Pro using Time Machine. I would highly recommend for anyone who has important documents, photos, videos, digital work, etc. on their MacBook. One thing, I would get the Drive Logic DL-64 Portable EVA Hard Drive case and NOT the Case Logic QHDC-101 that is recommended when you buy the hard drive. The Case Logic QHDC-101 case is TOO SMALL for this drive! However, the Drive Logic case I mentioned fits perfectly! I wish someone else would have mentioned this and I would not have wasted my time and money with the Case Logic case that is not returnable, by the way. Help other customers find the most helpful reviews  Was this review helpful to you? , November 8, 2015

    I need to use this everyday so for this to break is horrible. There is a case an adapter you can ...

    1/5 amanda jurysta - See all my reviews Verified Purchase(What's this?) This review is from: G-Technology G-DRIVE mobile USB Portable USB 3.0 Hard Drive 1TB (7200RPM) (0G02874) (Personal Computers) I am a college student studying varies forms of media. This product lasted me 2months before it broke. The part that you paling the cable in got pushed inside. I need to use this everyday so for this to break is horrible. There is a case an adapter you can buy separately but still, this isn't cheap. I am the third student at my school who has had this problem., November 2, 2016

    G-Technology for GREAT-TECHNOLOGY

    4/5 Tim DaGraca - See all my reviews Verified Purchase(What's this?) This review is from: G-Technology G-DRIVE mobile USB Portable USB 3.0 Hard Drive 1TB (7200RPM) (0G02874) (Personal Computers) Let's get one thing straight: If you need a FAST drive with ALOT of space, then go for this. You can't beat the price either.The reason I gave it 4 stars instead of five is because there is absolutely no protection on the outside...but that isn't the only thing. Any surface that you place this drive on will maybe get scratched if the drive is sliding around. There aren't any nubs on the bottom or sides to keep it positioned. And since it's aluminum, there is a chance that it will scratch the surface you place it on.But all in all, it WORKS...flawlessly at that so there is no worries on that.Hope this helps., February 15, 2015
    List Price: $99.99
    Works with Time Machine, plug-and-play setup on Mac OS. Easily reformatted for Windows
    Up to 1TB storage capacity handles documents, music, digital video and photo files
    USB 3.0 and 7200 RPM hard drive delivers screaming performance
    3-Year limited warranty
    Solid, aluminum case and a thin profile. Bus-powered hub eliminates the need for a separate power connection


  • Hitachi

    G-Technology G-DRIVE USB 3.0 4TB External Hard Drive (0G03594)

    Personal Computer (Hitachi)
    List Price: $199.95

    Solid, stylish all-aluminum case for durability
    Plug-and-play on Mac; easily reformatted on Windows
    High speed USB 3.0 for universal, high-speed data transfer
    3-year limited warranty
    Time Machine-ready for easy file back-up
    Up to 6TB storage capacity for multimedia intensive files


  • Hitachi

    G-Technology G-DRIVE USB 3.0 6TB External Hard Drive (0G03674)

    Personal Computer (Hitachi)
    List Price: $249.95
    Price: $199.95
    You Save: $50.00 (20%)

    Plug-and-play on Mac; easily reformatted on Windows
    Time Machine-ready for easy file back-up
    Solid, stylish all-aluminum case for durability
    High speed USB 3.0 for universal, high-speed data transfer
    3-year limited warranty
    Up to 6TB storage capacity for multimedia intensive files


  • G-Technology

    G-Technology 0G04860 G-DRIVE mobile USB Portable USB 3.0 Hard Drive 2TB (5200RPM)

    PC Accessory (G-Technology)
    List Price: $119.95

    USB 3.0 Cable
    Limited 3-Year Warranty


  • Hitachi

    G-Technology G-DRIVE USB 3.0 2TB External Hard Drive(0G03902)(Requires external power supply)

    Personal Computer (Hitachi)

    Rating (213 reviews):
    (4.2/5)
    Hitachi

    Decide between this product and the G-Technology G-DRIVE 4 TB 7200 RPM Professional

    ****UPDATE April 7, 2017 (After 2 years of use)****This drive is still running strong and functioning as it should. I have went to further add another one (a 5TB) to my arsenal as my data has grown over time. And yes, they do come in 5TB; I got it off a really really good deal that I simply could not pass up.So now I stack them 3 high and thinking about whether or not to put spacers between them for better ventilation. To maximize the heat sinking conductivity, I would use something metallic (like those mint boxes) to space between them. But the added height would mean there is a higher chance of toppling over.TIP: If you are using more than one of the same drives, I would advise you to label all the drives themselves, the USB data cables and the power cables such as "1" "2" and "3" with something as simple as a marker or some tape or color code the tape.I do now use a powered USB 3.0... 5/5 Dan Tech - Pro Photographer, Mac User, Tech Whiz (USA) - See all my reviews, April 13, 2015

    1/4 of the these failed for us.

    1/5 Drew Bienemann - See all my reviews Verified Purchase(What's this?) This review is from: G-Technology G-DRIVE USB 3.0 4TB External Hard Drive (0G03594) (Personal Computers) Recent we were shooting a movie and over the course of a few months ordered 8 of these from a few different vendors. 2 of them died. They work initially, and one stopped being able to write after 500-700gb (not all at once). The 2nd was a few months later. We filled it to about 3TB and then it refused to mount. Not liking this at all. Help other customers find the most helpful reviews  Was this review helpful to you? , July 27, 2015

    Very satisfied - quality product

    I am very pleased with the quality of this hard drive. It was plug-n-play (for a Mac), just as advertised. I took it out of the box, plugged it in, and off we went. I had previously had a Seagate external hard drive which has lasted happily for many years, so originally I ordered another Seagate (3 TB). As soon as I took the new Seagate out of the box I could see it was cheaply made. The sheet metal case had sharp corners that would cut skin. I sent it back immediately. A friend of mine has a portable (1 TB) G-Tech drive, one of two we trade back and forth to store our date off-site at each other's h comes. I had been very impressed with the quality of my friend's little G-Tech drive, so I ordered my 4 TB G-Tech drive (which lives permanently in my house for backup). I had read online reviews which rated G-Tech drives highly. It has the look and feel of a quality product. I have not had it long enough to make any statements about how it will hold up over time. But it was one of the... 5/5 Kevin Roeckl - See all my reviews Verified Purchase(What's this?) This review is from: G-Technology G-DRIVE USB 3.0 4TB External Hard Drive (0G03594) (Personal Computers) I am very pleased with the quality of this hard drive. It was plug-n-play (for a Mac), just as advertised. I took it out of the box, plugged it in, and off we went. I had previously had a Seagate external hard drive which has lasted happily for many years, so originally I ordered another Seagate (3 TB). As soon as I took the new Seagate out of the box I could see it was cheaply made. The sheet metal case had sharp corners that would cut skin. I sent it back immediately. A friend of mine has a portable (1 TB) G-Tech drive, one of two we trade back and forth to store our date off-site at each other's h comes. I had been very impressed with the quality of my friend's little G-Tech drive, so I ordered my 4 TB G-Tech drive (which lives permanently in my house for backup). I had read online reviews which rated G-Tech drives highly. It has the look and feel of a quality product. I have not had it long enough to make any statements about how it will hold up over time. But it was one of the... Read more Help other customers find the most helpful reviews  Was this review helpful to you? , August 21, 2015
    List Price: $159.95
    Solid, stylish all-aluminum case for durability
    Up to 6TB storage capacity for multimedia intensive files
    3-year limited warranty
    Plug-and-play on Mac; easily reformatted on Windows
    High speed USB 3.0 for universal, high-speed data transfer
    Time Machine-ready for easy file back-up


  • G-Technology

    G-Technology G-DRIVE mobile with Thunderbolt Portable Hard Drive 1TB (Thunderbolt, USB 3.0, 7200RPM) (0G03040)

    Personal Computer (G-Technology)
    List Price: $189.95

    Ultra-fast Thunderbolt and USB 3.0 data transfer
    3-Year limited warranty
    Up to 1TB storage capacity handles documents, music, digital video and photo
    7200RPM hard drives - up to 136 MB/s
    Bus-powered hub eliminates the need for a separate power connection
    Solid aluminum case, ultra-stylish profile makes for easy portability
    Designed for Mac; easily reformatted for Windows


  • G-Technology

    G-Technology G-DRIVE mobile USB Portable USB 3.0 Hard Drive 1TB (5400RPM) (0G02428)

    Personal Computer (G-Technology)
    List Price: $69.95

    Bus-powered hub eliminates the need for a separate power connection
    Up to 1TB storage capacity handles documents, MP3s, digital video and photo files
    Solid, aluminum case, thin profile makes for easy portability
    USB 3.0 for screaming performance
    Time Machine-ready, plug-and-play setup on Mac OS


  • G-Technology

    G-Technology G-DRIVE USB 3.0 8TB External Hard Drive (G Drive USB G5)

    PC Accessory (G-Technology)
    List Price: $299.95
    Price: $279.95
    You Save: $20.00 (7%)

    USB 3.0 Cable
    AC Power Adapter
    Limited 3-Year Warranty


  • G-Technology

    G-Technology G-DRIVE with Thunderbolt High-Performance Storage Solution 4TB (Thunderbolt, USB 3.0) (0G03050)

    Personal Computer (G-Technology)

    Limited 3-year warranty
    Solid all-aluminum case makes for durability and stylish looks
    Formatted for Mac and easily reformatted for Windows
    4TB storage capacity handles digital video, music and photo files
    Integrated heat-sink for quiet operation and cooling
    Thunderbolt and USB 3.0 ports for ultimate high-speed data transfer


  • G-Technology

    G-Technology G-DRIVE Professional External Hard Drive 4TB (Gen6, USB 3.0/eSATA/FireWire800) (0G02927)

    Personal Computer (G-Technology)

    Rating (106 reviews):
    (4.0/5)
    G-Technology

    unreliable fast external drive, lost all my data twice

    1/5 Paul Hinds - See all my reviews Verified Purchase(What's this?) This review is from: G-Technology G-DRIVE (Gen 6) USB 3.0 eSATA and FireWire 2TB 7200RPM External Hard Drive (0G02919) (Personal Computers) Super good / fast external drive. I got one that was a dud but the supplier replaced it immediately and the new one's been working like a charm for many months now.After a year of use it spontaneously lost everything and said I could not use the drive without reformatting it. Total bummer. I now consider this drive to be completely unreliable. Help other customers find the most helpful reviews  Was this review helpful to you? , July 1, 2015

    I like it!

    5/5 Jim (Huntington Beach CA) - See all my reviews Verified Purchase(What's this?) This review is from: G-Technology G-DRIVE (Gen 6) USB 3.0 eSATA and FireWire 2TB 7200RPM External Hard Drive (0G02919) (Personal Computers) I have an older iMac (2010) and my only data transfer options are USB 2.0 or FireWire 800. The Mac became full so I decided to put my 500GB Photos Library on an external hard drive.Cons: noisey read, noisier write and the drive doesn't sleep. According to G-Technology via an email this is normal.Pros: so fast, FireWire 800 compared to USB 2.0 is blazing fast. Very simple set up, just plug it in. Transferring the library was simple and Time Machine found the drive and now backs it up.I recommend this drive, just shut it down manually with the on/off switch to prolong the life. Help other customers find the most helpful reviews  Was this review helpful to you? , August 30, 2016

    I searched high and low for a drive like this. I use it for a part time ...

    I have had this drive since April 2016. I searched high and low for a drive like this. I use it for a part time server and part time at my gigs so it is transported often. Everything I saw in portable drives had flimsy arsed usb3 connectors. Those flimsy things caused total corruption on a non backed up 3tb drive with 2.5 TB of data that I used to use. This one after much much searching is just what you need if you want to keep your data for 10+ years, drive running 24/7 serving information, or if you need to move it all over the place such as in DJing or photography. This puppy has a solid aluminum casing with aluminum heatsink as well as an apple style USB connector that is solid. It is a 7200 RPM drive and very fast at USB3 speeds. It is a true Hitachi drive as well which are known to be probably the best you can get. These are technically for an Apple computer, but instructions are included to easily format it in modern PC OS. They have these also in 4 and 6 TB should you need... 5/5 Chris S - See all my reviews Verified Purchase(What's this?) This review is from: G-Technology G-DRIVE Professional External Hard Drive 3TB (Gen6, USB 3.0/eSATA/FireWire800) (0G02923) (Personal Computers) I have had this drive since April 2016. I searched high and low for a drive like this. I use it for a part time server and part time at my gigs so it is transported often. Everything I saw in portable drives had flimsy arsed usb3 connectors. Those flimsy things caused total corruption on a non backed up 3tb drive with 2.5 TB of data that I used to use. This one after much much searching is just what you need if you want to keep your data for 10+ years, drive running 24/7 serving information, or if you need to move it all over the place such as in DJing or photography. This puppy has a solid aluminum casing with aluminum heatsink as well as an apple style USB connector that is solid. It is a 7200 RPM drive and very fast at USB3 speeds. It is a true Hitachi drive as well which are known to be probably the best you can get. These are technically for an Apple computer, but instructions are included to easily format it in modern PC OS. They have these also in 4 and 6 TB should you need... Read more Help other customers find the most helpful reviews  Was this review helpful to you? , January 24, 2017
    List Price: $349.95
    Transfer rates up to 165MB/s
    USB 3.0/2.0, eSATA, FireWire 800
    "Fan-less" design with unique silent cooling technology
    Apple Time Machine compatible
    High-performance 7200 RPM SATA III drives with up to 64MB cache


1000 GB and Up


Gift Ideas

Boho Tribal Feathers Watercolor | Baby Shower Boy Card

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Shower baby and the Mom-to-be with this soft and artistic invitation theme. Make your next baby shower stand out from the traditional themes with this watercolor feather design. Made for welcoming a baby boy. This card can be personalized and comes with a feathered backside image as well to complete the look. Check out my shop to see more of my Boho Baby Shower collection. clipart by kennasatodesigns.etsy.com
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Boho Tribal Feathers Watercolor | Baby Shower Card

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This invitation is a comforting yet simple way to invite your guests to help shower your baby! Made with welcoming a baby girl in mind, this invitation is sweet and subtle in it's design. The feathered backside adds detail and a little fun to contrast with the front of the invitation. Check out my Boho & Tribal Collections for more designs! clipart by kennasatodesigns.etsy.com
Price: $$2.20

Back Off - I'm driving& K N I T T I N G Bumper Sticker

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Such a cute bumper sticker!
Price: $$4.20

Your car may be fast at the dragstrip, but... T-Shirt

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A t-shirt for all those people that think racing is more than just a straight line.
Price: $$24.25

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