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Relay-type Automatic Voltage Regulators (AVRs) are typically simpler and more cost-effective than servo-type AVRs. They provide faster response times to voltage fluctuations by using electromechanical relays to switch taps on a transformer, which can be beneficial in applications where quick adjustments are needed. However, they may offer less precision and smoothness in voltage regulation compared to servo-type AVRs, which use motors for more gradual adjustments. Overall, relay-type AVRs are advantageous for their lower cost and rapid response in less demanding applications.

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What is the advantage of 1 amps current transformer than that of the old type 5 amps current transformer?

If the protection relay and CT installed for away, then it is advised to install 1A CT rather than 5A CT. Because of lower amps it will reduce the losses on the cable. p = i^2.R


Which type of relay is used in short transmission line?

Ohm relay.......


What type of electric motors are used in cocoa processing factories?

Standard Induction Motors for general applications. Servo motors in case precision application like packing


What is the servo transformer?

A servo transformer is a specialized type of transformer used in electrical systems to maintain a constant output voltage despite variations in input voltage or load conditions. It typically consists of a variable transformer and a control mechanism that adjusts the turns ratio based on feedback from the output. This allows for precise voltage regulation, making it useful in applications like power supply systems, industrial equipment, and automation. Servo transformers are often employed in scenarios where stability and accuracy of voltage are critical.


It will not. This relay is a Normally Open relay construction. The contacts are closed only when power is applied to the relay coil. You must use either an SPST-NC (Single Pole Single Throw – Nor?

It will not. This relay is a Normally Open relay construction. The contacts are closed only when power is applied to the relay coil. You must use either an SPST-NC (Single Pole Single Throw – Normally Closed) construction or an SPDT (Single Pole Double Throw) type of construction so a contact closure is presented when there is no power applied to the relay coil.

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Which type of relay is used in short transmission line?

Ohm relay.......


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