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Q. What is Induction machines?
We shall first consider polyphase induction motors and then single-phase induction motors. The polyphase induction motors used in industrial applications are almost without exception three- phase. The stator winding is connected to the ac source, and the rotor winding is either short- circuited, as in squirrel-cage machines, or closed through external resistances, as in wound-rotor machines. The cage machines are also known as brushless machines; the wound-rotor machines are also called slip-ring machines.
hint on clamping as a project topic
Ask qu1. If the resistor Radj is adjusted to 175O what is the rotational speed of the motor at no-load conditions? 2. Assuming no armature reaction, what is the speed of the motor
You will design a significant project on the DE1 board. In some cases you may want to use the breadboard as well - note that all of the pins at the bottom of the breadboard are lab
Q. Define Power-Supply Rejection Ratio? An op amp's ability to disregard changes in power-supply voltage is measured by the power- supply rejection ratio (PSRR), which is speci
Calculate the following for a 2 hp and a 20 hp dc machine, each rated for 500 rpm. Use data from the Study Plan 1 data sheet, including "hot" armature resistance value for all cal
name two types of axial flow turbines
Q. A 10-kW, 230-V shunt generator, with an armature-circuit resistance of 0.1 and a field- circuit resistance of 230 , delivers full load at rated voltage and 1000 r/min. If the
Machine Control Instructions Instructions used to control various machine operations are kept in this group.
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Speed control of DC Motor The DC motor are versatile motors among the available electrical motors due to their superior characteristics. These motors give a smooth sp
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