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Mode 2
In this mode transistor gets turned off by the negative output of PWM current flows through inductance L diode D then divide into two parts one flows through capacitor C and other load. In this condition the magnetic field in the inductor collapses and induces a large voltage across the coil of opposable polarity.
That adds to the input voltage capacitor C will charge through this current and maintain the o/ p voltage when transistor gets turned on for next cycle.
What are the cautions to be taken before starting work on electrical installations? Ans: Before starting any electrical works on installations disconnect the power supply to
Q. Explain stages of attending to Rail fracture? Various stages of attending to Rail fracture / weld failure in a L.W.R. track in field - Equipment required - i) Special
(a) Now consider a typical open-wire transmission line with parameters of R = 14 /mi, L = 4.6 mH/mi, C = 0.01 µF/mi, and G = 0.3×10 -6 S/mi. If the line operates at 1 kHz, find t
configured as attraction force rotation and brief stutter at zero degree putting a diode to a capacitor collecting energy of collapsing magnetic field to recycle on next power inpu
Three Logic Levels are used and they are High, Low, High impedance state. The high and low are normal logic levels & high impedance state is electrical open circuit conditions. Tri
General configuration of cellular systems?
#i have an error at in the Matlab power system model..thus i couldn''t run it...
Connection of Shunt Capacitors at 11 kV Substations 11 kV automatic switched capacitor banks are installed on bus of 33 or 66 kV substations. This has the facility that the re
write a short notes of thermal compansation?
what is the difference between ac and dc currents?
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