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The reversibility principle of electrical machines states that an electrical machine can be used to operate either as a motor, converting electrical to mechanical energy, or as a generator doing the reverse, i.e. converting mechanical to electrical energy. The module will therefore also be concerned with electrical generation. In addition to drives and actuators, the module will include a study of transformers.These also rely on electromagnetic principles, but are not intended to produce mechanical motion. They are widely used in electromechanical systems for 'stepping up or down' the magnitude of an AC voltage or current.To understand how motors and generators work, it is first necessary to review the basic electromagnetic principles upon which they depend.
Q. Use of Speaker? Speaker:Basically speaker is the receiver for telephone. Speaker converts electrical signals received from local loop to acoustical signals(sound waves) that
2. A 6 pole lap-wound armature having 720 conductors, rotates in a field of 20.35 mWb. (a) If the induced current is 72 A, what is the torque developed by armature? (b) If the indu
Can I find out the salution of electrods Transmission medium light sound uncoupling magnet for high dc cycle. I need to purches an electromagnet of this sort can you Please assis
Q. Explain workinf of colpitts oscillator? When the collector supply voltage V cc is switched on, the capacitors C1 and Cz are charged. These capacitors C1 and Cz discharge thr
nodal analysis
how does synchronous machines operate
Comparison of Analog-Modulation Systems The comparison of analog modulation systems (conventional AM, DSB SC, SSB SC, VSB, FM, and PM) can be based on three practical criteria:
Q. Two coupled synchronous machines are used as a motor-generator set to link a 25-Hz system to a 60-Hz system. Find the three highest speeds at which this linkage would be possibl
Explain in detail the operation of 8255 in mode1 taking suitable example. In mode1, Ports A and B are programmed as input or output ports and Port C is used for handshaking.
Q. Show the procedure of Hex to Decimal Conversion? To convert from the Hex to the Decimal, multiply the value in each position by its hex weight and add each value. Using the
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