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Life Interactive UPS Systems
The block diagram of lien integrative UPS is shown in figure when the main supply is ON static switch remains closed and load is connected to mains through an inductance L. In this condition the battery bank the DC through inverter which is used in as charger now.
Under the condition of power failure the main static switch becomes open. In this condition the battery bank supplies the power to the load through the inverter.
Mutual inductance and coefficient of coupling: The equivalent inductance of two series connected coil (with mutual inductance among them) is 0.8 or 0.2 Henry based on the rela
Q. Explain working of Capacitor motors? Capacitor motors have a capacitor in series with the auxiliary winding and come in three varieties: capacitor start, two-value capacitor
#What are the types of Negative Feedback Amplifier?
A 450 ns EPROM won't work directly with a 5MHz 8088.Why? Explain. While the 8088 is operated along with a 5 MHz clock, it permits 460 ns for the memory to access data. Due to t
Central Energy Conservation Fund This fund is to be set up at the Centre to develop the delivery mechanism for large-scale adoption of energy efficiency services like as perfo
Second Quadrant or Class B Chopper Class B chopper is shown in figure in this type of chopper load must contain a dc source E ( may be battery or a DC motor) and induct
Q. Gate source cut off voltage? It is the gate source voltage where the channel is completely cut off and the drain current becomes zero.It is interesting to note that the valu
What is the position of the Stack Pointer after the POP instruction? Ans) The address line is 02 greater than the previous value.
Q. What are the features of clamping circuits? The clamping circuit does not change the peak to peak or r.m.s value of the waveform .Thus the input waveform and clamped output
units of potential energy
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