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GE - ECM Motor Technology and Troubleshooting
GE - ECM Motor Technology and Troubleshooting

... Ext Static Pressure (" H2O) ...
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BC203 Regenerative Drive Adjustable Speed DC Control

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recognization and reduction of source current harmonics in a loaded

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B. Tech. (Electrical Engineering)

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Demagnetisation of CT cores under exposure of operating currents

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Project 2 - Rensselaer Polytechnic Institute

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... When a conductor or coil is moved in a stationary magnetic field it cuts the lines of magnetic flux and an EMF is induced in the conductor or coil. This same principle also applies when a conductor is held stationary and the magnetic flux is made to change or vary. Now consider an alternating curren ...
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... supply. This will occur when it can be coordinated with appropriate parties. The Wiggler BPM Electronics have been reinstalled and tested. These were verified to function properly with the FEL. The ICM2F02 Unser Current Monitor signal has been routed into EPICs and the appropriate screen changes hav ...
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Limiting short-circuit currents in medium-voltage

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Unit C 7-5

... cycle repeats itself 60 times every second, which is where we get the term 60-cycle or 60-hertz alternating current.  Single-phase current requires the use of one transformer. ...
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Unit C 7-5 - Edhole.com

... cycle repeats itself 60 times every second, which is where we get the term 60-cycle or 60-hertz alternating current.  Single-phase current requires the use of one transformer. ...
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Work and Machines - Powers Physical Science

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Installation and Operating Instructions for the Navitron Wind

... presents an extremely dangerous situation as it may fall from the tower. Never stand in line with a rotating propeller. WARNING! If excessive wind speeds are anticipated that would exceed the wind generator’s maximum wind speed specification, a three phase shorting switch with a suitable electrical ...
- LJMU Research Online
- LJMU Research Online

... inverter supply has been further considered in [5-7], where space-vector and carrier-based PWM techniques have been developed for five-phase systems. The common feature of [3-7] is that isolated dc sources are used to supply VSIs at two sides of the multiphase machine’s winding. A drawback of the re ...
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)

... the full voltage swing, which limits the speed and increase the power consumption of voltage mode circuits ...
Installation and Operating Instructions for the Navitron Wind Generator
Installation and Operating Instructions for the Navitron Wind Generator

... presents an extremely dangerous situation as it may fall from the tower. Never stand in line with a rotating propeller. WARNING! If excessive wind speeds are anticipated that would exceed the wind generator’s maximum wind speed specification, a three phase shorting switch with a suitable electrical ...
Starting and control of three-phase asynchronous motors
Starting and control of three-phase asynchronous motors

Ten Facts about Magnets
Ten Facts about Magnets

< 1 ... 61 62 63 64 65 66 67 68 69 ... 378 >

Electric machine

The academic study of electric machines is the universal study of electric motors and electric generators. By the classic definition, electric machine is synonymous with electric motor or electric generator, all of which are electromechanical energy converters: converting electricity to mechanical power (i.e., electric motor) or mechanical power to electricity (i.e., electric generator). The movement involved in the mechanical power can be rotating or linear.Although transformers do not contain any moving parts they are also included in the family of electric machines because they utilise electromagnetic phenomena.Electric machines (i.e., electric motors) consume approximately 60% of all electricity produced. Electric machines (i.e., electric generators) produce virtually all electricity consumed. Electric machines have become so ubiquitous that they are virtually overlooked as an integral component of the entire electricity infrastructure. Developing ever more efficient electric machine technology and influencing their use are crucial to any global conservation, green energy, or alternative energy strategy.
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