0
Difference between voltage transformer and capacitive voltage transformer?
Wiki User
∙ 13y ago
A capacitor voltage transformer (CVT) is a transformer used in power systems to step down extra high voltage signals and provide a low voltage signal, for measurement or to operate a protective relay. Inductive voltage Transformers use conventional magnetic material for coupling of HV and LV circuit. This method has problems due to insulation of EHV circuit to the magnetic core( usually at ground potential) and very expensive to produce as it may need a few step down stages to achieve to final voltage ratio, each stage shall be floated at gradually reducedvoltage relative to ground potential.
Wiki User
∙ 9y ago
Wiki User
∙ 14y agoThe functional difference is a voltage amplifier will increase the input voltage, usually by a specified dB level, while a power amplifier will provide the same voltage (or similar) to what is applied, but can drive a much larger current than is necessary at the input.
A simple design for a voltage amplifier would typically have the input to the base and the output at the collector of a transistor (NPN). The output will be a fairly high resistance.
A simple power amplifier would typically have the input to the base, and the output at the emitter of a transistor (NPN). The output resistance will be roughly equivalent to the resistance put from the emitter to ground.
Wiki User
∙ 13y agoTherotically there is no difference between VT and CVT , their fuction is same,
But the difference is that in CVT , capacitors are used to step down the voltage and in VT, voltage is stepped down as usual method
Rohit jain
J.EN ( RSEB)
Add your answer:
Earn +20 pts
What is the function of capacitor voltage transformer at the switch yard?
function of capacitive voltage transformer is measure high transmission voltage with low range voltmeter and oprate the relay circuit to oprate CBs.
What is the difference between variable transformer and ordinary transformer?
Variable transformer may also refer as auto transformer. We can vary the output voltage of the transformer. But in the ordinary transformers output voltage is already designed.
What is the difference between isolation transformer and Automatic Voltage Regulator?
n '
What is the different between et up and set down transformer?
the difference between a step up transformer and a step down transformer is that, in a tsep up transformer, the voltage secondary is greater than the primary side but in a step down transformer, the voltage secondary is lesser than the primary side
What is the main different between the power transformer and voltage transformer?
Voltage Tarnsformer transforms only voltage. While power transformer transforms both voltage and current.
Why the capacitive voltage transformer and voltage transformer both are used in a substation?
three phases
What is the difference between capactive voltage transformer and potential transformer?
A capacitive voltage transformer (CVT) uses a (usually two) stacks of capacitors to reduce the votlage to a smaller internal potential transformer (PT). This makes them less expensive than an equivalent PT, but there can be a loss of accuracy.
What difference's between potential transformer and voltage transformer?
Both are same. This is an instrument transformer used for metering & protections.
What is the difference between an IVT and CVT transmission?
CVT - Capacitive Voltage Transformer Used for Measuring Voltage & Protection purpose, It is specially used in the line side along with PLCC (Power line Carrier Communication) to block the high voltage and makes the level to acceptable form of the communication equipment. IVT - Induced Voltage Transformer Please any one explain it... By Gokulakannan E
What is the function of capacitor voltage transformer at the switch yard?
function of capacitive voltage transformer is measure high transmission voltage with low range voltmeter and oprate the relay circuit to oprate CBs.
What is the difference between isolation transformer and Automatic Voltage Regulator?
n '
What is the difference between variable transformer and ordinary transformer?
Variable transformer may also refer as auto transformer. We can vary the output voltage of the transformer. But in the ordinary transformers output voltage is already designed.
What is difference between interposing voltage transformer and potential transformer?
potential transformer is to maser and protection purpose the ivt is used for synchronicing purpose
What is the different between et up and set down transformer?
the difference between a step up transformer and a step down transformer is that, in a tsep up transformer, the voltage secondary is greater than the primary side but in a step down transformer, the voltage secondary is lesser than the primary side
What is function of CVT in Substation?
Capacitive voltage transformer (CVT) which is having special properties & used for protection & metering purpose.
What is the difference between power transformer and instrument transformer?
A power transformer is used to provide power (to your home, for example), an instrument transformer is used to measure voltage or current (for metering, for example).
What is the difference between control transformer and Potential transformer?
Control transformer used only for control supply 110,220, 24,12V AC. But Potential transformer used voltage measurement purpose.
