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Why you are using the capacitor voltage transformer in Sub station?
Wiki User
∙ 11y ago
To Step down high voltages we require CVT,because it will step down the volatge by uisng capacitor in its circuit.
Wiki User
∙ 11y ago
Wiki User
∙ 11y agoTo supply required reactive power.... also to improve the power factor of the line..
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What is the maximum DC voltage you could expect to obtain from a transformer with an 18V rms secondary using a full rectifier circuit with a filter capacitor?
25.46V assuming output of transformer is pure sinewave.
Can you control voltage fluctuations by using capacitor?
By using C-filter
Does voltage matter when charging a capacitor?
Yes, voltage matters when charging a capacitor. Capacitor charge rate is proportional to current and inversely proportional to capacitance. dv/dt = i/c So, voltage matters in terms of charge rate, if you are simply using a resistor to limit the current flow, because a larger voltage will attempt to charge faster, and sometimes there is a limit on the current through a capacitor. There is also a limit on voltage across a capacitor, so a larger voltage could potentially damage the capacitor.
How many constraints should be taken in optimal placement of capacitor problem for voltage improvement using Particle swarm optimization?
Four constraints should be taken in optimal placement of capacitor problem for voltage improvement using the Particle Swarm Optimization.
Why is it important consider the correct polarity of an electrolytic capacitor when using it in the circuit?
The electrolytic capacitor can only have voltage across it in one direction. Failure to comply will result in catastrophic destruction of the capacitor.
What is the maximum DC voltage you could expect to obtain from a transformer with an 18V rms secondary using a full rectifier circuit with a filter capacitor?
25.46V assuming output of transformer is pure sinewave.
How do you step up ac voltage without using transformer?
A: Using a diode and a capacitor and replicating for the voltage that is desired. Be aware that the final voltage can be very hi for 120 v AC and be aware that the voltage is there but the power is limited due to repeating losses along the way.
How do you reduce DC?
by using a resistor or capacitor or transformer
What is the maximum DC voltage you could expect to obtain from a transformer with an 18V rms secondary using a full-wave rectifier circuit with a filter capacitor?
25.46V assuming output of transformer is pure sinewave.
What is the voltage doubler using charge pump?
What is the math in a voltage doubler without a transformer? how doesa voltage doubler without a transformer?
Can you control voltage fluctuations by using capacitor?
By using C-filter
How do you charge a capacitor?
You charge a capacitor by placing DC voltage across its terminal leads. Make sure when using a polarized capacitor to place positive voltage across the positive lead (the longer lead) and negative voltage across the negative lead. Also make sure that the voltage you charge the capacitor to doesn't exceeds its voltage rating.
Does voltage matter when charging a capacitor?
Yes, voltage matters when charging a capacitor. Capacitor charge rate is proportional to current and inversely proportional to capacitance. dv/dt = i/c So, voltage matters in terms of charge rate, if you are simply using a resistor to limit the current flow, because a larger voltage will attempt to charge faster, and sometimes there is a limit on the current through a capacitor. There is also a limit on voltage across a capacitor, so a larger voltage could potentially damage the capacitor.
How does ac dc power supplies work?
The mains to the house is an alternating current and this high voltage is stepped down using a transformer. The low voltage secondary alternating current is converted to direct current using 4 diodes wired as a bridge rectifier. The 'lumpy' direct current is smoothed using an electrolytic capacitor to smooth the resulting dc. It may need to be voltage regulated if the circuits it feeds are voltage sensitive.
What is the maximum DC voltage you could expect to obtain from a transformer with an 18V rms secondary using a bridge rectifier circuit with a filter capacitor?
The maximum DC voltage you could expect to obtain from a transformer with an 18V rms secondary using a bridge rectifier circuit with a filter capacitor is about 24V.This assumes a truly sinusoidal AC waveform, and a forward conductioin voltage of 0.7 volts across each diode.Multiply 18 by the square root of two, and subtract two times the diode voltage.The maximum is the peak value. If there is any load on the output, there will be some ripple, but the peak value will still be around 24V.To calculate the output voltage of single phase diode bridge it is reasonable to assume a filter capacitor exists across the output and realize that it will be charged to the maximum voltage available to it.
How can a AAA battery produce a such large charge in a tazer?
A Taser uses a transformer, that is, taking a small voltage and greatly increasing it at a price to the ampage. AAA batteries can also be "charged" using a capacitor that stores energy and releases it later.
How many constraints should be taken in optimal placement of capacitor problem for voltage improvement using Particle swarm optimization?
Four constraints should be taken in optimal placement of capacitor problem for voltage improvement using the Particle Swarm Optimization.
