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Q. Discuss in brief on combination clippers ?
Combination clippers are a combination of biased positive and negative clippers. With a combination clipper, a portion of both positive and negative half cycles of the input can be removed or clipped.
The circuit action is as follows.When the positive input voltage is greater than V1v diode D1 conducts and diode D2 remains reverse biased.Therefore a voltage V1 appears across the load. The output stays at +V1v so long as the input voltage exceeds V1.On the otherhand during the -ve halfcycle,The diode D2 will conduct heavily and the output of - V2v appear across the resistor.
role of electrical engineer in disaster management
Mode 1 In this mode transistor Q gets turned on by the positive output of the PWM. After that current flows through inductor L transistor Q then back to supply in thi
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Q. A three-phase ac motor, used to drive a draft fan, is connected to a 60-Hz voltage supply. At noload, the speed is 1188 r/min; at full load, the speed drops to 1128 r/min. (a
Theft or Pilferage of Power by the Existing Customers Power theft through the existing consumers is the predominant cause of loss of revenue to the electrical utilities. Almos
dear sir, when i am going to simulate my model in matlab i am getting the following error : the derived input for the integrator is inf or nan at time xxxxx. try to reduce the step
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Q. Single-axis autopilot control system of an aircraft? Figure (a) shows the block diagram of a simplified single-axis (pitch, yaw, or roll) autopilot control systemwith digita
A 3-phase transmission line is 200km long. The line has a per phase series impedance of 0.25+j0.45 Φ/km and shunt admittance of j7.2ΦS/km. The line delivers 250MVA, at 0.6 lagging
A 300 km, 3-phase, 50Hz transmission line has spacing as shown in Figure. Each phase of the line consists of a bundle of three conductors. (a) Find the total per-phase inductanc
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