to Top It is usually the case that the combined cost of a DC drive and motor is lower for very small HP applications; AC wins from 5HP to about 100HP, then DC wins again as power increases. If you alreadyhai archita,ac drive means operate with a current that alternates in the direction of flow 60 times per second HZ. If this frequency of alternation is changed, the speed of the motor changes
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Computers & Technology by
archita
at
3:48 AM on June 30, 2008
Brushless DC motors are commonly used where precise speed control is necessary, computer disk drives or in video cassette recorders the spindles within CD, CD-ROM etc. drives, and mechanisms within office products such as fans, laser printers and photocopiers. They have several advantages over conventional motors: Compared to AC fans using shaded-pole motors, they are very efficient, running much
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Computers & Technology by
Aryan Gusain
at
10:18 PM on July 01, 2008
DC DRIVE optional1.5 HP, 220 volt 1 phaseDC motors can rotate a workpiece at very low RPMs, but the spindle torque will be very low compared to running the motor faster. Consequently we utilize a compound belt reduction, in combination with the DC motor/controller, to provide very high torque at very low speeds. 5/8", "B" section Vee Belts are used for very effective power transmission
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Computers & Technology by
Nawraj
at
7:11 PM on June 27, 2008
. Reluctance designs have ratings that range from subfractional to about 30 hp. Subfractional horsepower motors have low torque, and are generally used for instrumentation applications. Moderate torque, integralWithout complex electronic control, synchronous motors are inherently constant-speed motors. They operate in absolute synchronism with line frequency. As with squirrel-cage induction motors, speed
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Computers & Technology by sekhar kotte
at
11:48 PM on September 17, 2008
is popular in engineering and architectural applications where large drawings must be made. The flatbed plotter also allows a wide variety of drawing media i.e. vellum, tracings, transparencies, etc. to be used. Across the width of the plotter is a bridge. Thebridge can move along the length of the plotting surface the x-axis. This movement is controlled by a special type of motor called a stepping motor
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Computers & Technology by Kanan Sharma
at
11:51 PM on September 04, 2008
well anjuSound Engineering displayed a prototype motor controller / power supplyat the CES Show in Las Vegas in January. The J-1 motor controller ismanufactured by UKs Tom Evans Audio Design. The J-1 motor controller willuse Tom Evans unique power supply providing rock solid platter speed. The sonicdifference between the Tom Evans designed motor controller and other controllersis clearly audible
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Computers & Technology by
anju s
at
12:40 PM on May 29, 2008
and applicationsExamples include: Mechanics - plasma actuators, pneumatic actuators, electric actuators, motors, hydraulic cylinders, etc. Human - Muscles Biology - Actuator domains found in P, F and V type, piezoelectric actuators, thermal bimorphs, Digital Micromirror Devices and electroactive polymers. Motors are mostly used when circular motions are needed, but can also be used for linear applications
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Computers & Technology by blogger01
at
1:22 PM on May 21, 2008
, high efficiency electric motors, and digital cameras....saurabh Embedded software is computer software or firmware which plays an integral role in the electronics it is supplied with.Embedded softwares in applications like airplanes, missiles, process control systems, and so on.Embedded software is usually written for special purpose hardware: that is computer chips that are different from general purpose CPUs
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Computers & Technology by
saurabh
at
4:49 AM on October 03, 2008
Steering TATA 207 DI is powered with the 407 engine Multi-application Pick-Up with payload capacity of 1.13 Ton High Performance, Low Maintenance vehicleTata Engineering today announced the launch of its new is powered with the 407 engine Multi-application Pick-Up with payload capacity of 1.13 Ton High Performance, Low Maintenance vehicleTata Engineering today announced the launch of its new TATA 207 DI - a Pick
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Computers & Technology by sandeep
at
5:01 PM on June 21, 2008
, thermal bimorphs, Digital Micromirror Devices and electroactive polymers. Motors are mostly used when circular motions are needed, but can also be used for linear applications by transforming circular is needed. The actuators come in fast opening motorized versions and slower opening thermal versions....An actuator is a transducer that accepts a signal and converts it to a physical action. In other words
Posted in
Electronics & Gadgets by
Rocky
at
10:57 PM on April 11, 2008
