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The most common ways are:
- Mechanically, by placing a coil in a rotating magnetic field, or a rotating coil in a fixed magnetic field. This is how AC power is generated.
- Electronically, using an oscillator circuit. This is how sinusoidal waveforms are produced in all sorts of electronic equipment.
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Why The Excitation current is non-sinusoidal when applied voltage is sinusoidal?
excitation voltage is sinusoidal because it is taken from the terminal of alternator but excitation current is non-sinusoidal because it always dc.
No load current of transformer is non sinusoidal even though sinusoidal voltage is provided in oc sc test?
eddy current loss in the transformer core is reduced by
What are linear wave Shaping circuits?
if a sinusoidal voltage is applied to linear circuit the output voltage is also sinusoidal in nature as far as the waveform is concerned the amplitude of input signal may change and there may be phase displacement between input voltages and output voltages
What the different between voltage generators and voltage transformers?
Generators generate and transformers step up or step down the voltage
What is firing angle in thyristors?
A sinusoidal AC waveform is divided up into 360 degrees, with the positive half and the negative half of the waveform combined into a kind of circle. The firing angle simply refers to the point on the waveform, as measured in degrees (thus 'angle') which the thyristor is triggered into conduction. Answer2: Firing angle is the phase angle of the voltage at which the scr turns on. There are two ways of turning an scr on..one is by applying a gate current or by applying a voltage across the scr until it becomes greater than the breakover voltage.... Answer3: Thyristor need gate current and voltage to make it conduct. The firing angle is the sinusoidal increasing voltage. As it rises a voltage is reached with enough power to fire to trigger the gate. That voltage is the angle considering that a sinusoidal is 360 degrees per cycle.
Why The Excitation current is non-sinusoidal when applied voltage is sinusoidal?
excitation voltage is sinusoidal because it is taken from the terminal of alternator but excitation current is non-sinusoidal because it always dc.
Why carrier signal are sinusoidal?
It does not have to be. Voltage can be DC, sinusoidal, square wave, triangular wave, etc.
Why ac voltage varying?
AC voltage is varying because it is sinusoidal in nature
What are the phasor diagrams and sinusoidal expressions of the three voltages?
The Phasor diagram explains the relation between voltage and current. This comparison happened in the Sinusoidal functions and solved using the Sinusoidal expression.
No load current of transformer is non sinusoidal even though sinusoidal voltage is provided in oc sc test?
eddy current loss in the transformer core is reduced by
Why alternating current is represented by sinusoidal wave form?
AC voltage, like the voltage in your house, is typically referred to as 120vAC. This means the voltage swings 120V positive and 120V negative 60 times per second (60 Hz) 360 degrees total (sine wave). Current and voltage go hand-n-hand so the current alternates with the voltage. the RMS value is what we experience at the output (160vAC is actually sent to the circuits)
What are linear wave Shaping circuits?
if a sinusoidal voltage is applied to linear circuit the output voltage is also sinusoidal in nature as far as the waveform is concerned the amplitude of input signal may change and there may be phase displacement between input voltages and output voltages
Explain the power supply circuit for conductivity electrode?
You have to excite it with a sinusoidal signal then measure the current or voltage
What mathematical formulas is used to find the average value voltage for an ac voltage?
The RMS value of an AC voltage is VRMS = VPEAK / sqrt(2), where VPEAK = the voltage peak to neutral.AnswerThe average value of a sinusoidal a.c. voltage is zero.
What is RMS value of an AC Sinusoidal Waveform and the power they carry?
Hi, RMS is voltage X .707 and the power is voltage X current. Hope that helps, Cubby
What is sinusoid?
What is a sinusoidal wave? This is a wave that appears to have curves. AC current/voltage. If you see a wave on a ossiloscope of what our AC (Alternating current) mains voltage that will be the answer to the question. DC (direct current) does not appear to have the same qualitys
Find the effective values sinusoidal waveforms?
effective values = Vm/SQR(2) max voltage / the square root of (2) same for current This doesn't apply for all periodic functions, only sinusoidal.
