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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.
Give the significance of SIM and RIM instruction available in 8085. Instruction SIM: Set Interrupt Mask. This is a 1 byte instruction and can be used three dissimilar functio
What is Voltage Multiplying DACs? Multiplying DACs function on the principle of producing a weighted sum analog signal where the sum is proportional to the digital input signal
A preliminary design with ideal resistors, inductors and capacitors, will get 25 marks. If the design does not meet the specifications then one mark will be deducted following the
For the circuit of Figure, given that V CC = 5V, R C = 1k, β = 100, and the high range is 4 to 5 V, choose R B such that any high input will saturate the transistor with the ba
Q. Discuss the nature of sinusoidal signal? Discuss the nature of evenness and oddness of: (a) The sinusoidal signal x(t) = A cos(2πf 0 t + θ). (b) The complex exponentia
Q. A separately excited dc generator with an armature-circuit resistance Ra is operating at a terminal voltage Vt, while delivering an armature current Ia, and has a constant loss
Q. A magnetic force exists between two adjacent, parallel current-carryingwires. Let I1 and I2 be the currents carried by the wires, and r the separation between them.
Q. List and explain the factors involved in the voltage build up of shunt generator. Ans. following factors are involved in voltage build up of shunt generation
design and sketch an optimal circuit that takes a 4 bit number and generates an 8 bit output equal to the square of the input
Explain Microprocessor development system. Microprocessor development system: Computer systems consist of undergone many changes lately. Machines which once filled large area
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