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Explain the Power Chart
The phasor diagram shown in Figure with the x and y axes added, as shown. This diagram may be converted to a 'power chart' by multiplying each phasor in the diagram by VR / Z, as shown in Figure, where Z is the impedance of the line. This shifts the diagram by the element impedance angle (ψ) and changes the units to (volts)2 / (ohms), i.e. to VA units. The 'x' and 'y' axes are then scaled directly in Watts and VAr's respectively.
For a constant VR the scale of the diagram remains fixed and the sending end voltage (VS) and load angle (δ) are readily estimated for various power and VAr flow conditions.
power factor improvement
Multiple Tariff Meters or TOU Meters Time of use metering facilitates load control and planning on the part of utilities. This is efficiently achieved using a concept known as
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Interrupt latency refers to the amount of time among when an interrupt is triggered and when the interrupt is observe by software.
a. Explain the time division space switching b. Verify the execution complexity of 2048 channel TST switch with 16 TDM links and 128 channels. Let the time slot of space switch
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