Protection relays used in substation:

This Diagram shows the protection relays used in the substation. In this circuit, we use a circuit breaker, a busbar, a PT coil, and a relay. This circuit diagram is very simple and easy to make. If you want to know more details about this circuit please check our youtube video below the post. Please stay with our website for more updates about electrical electronics and robotics projects gadgets and circuits.

Diagram of Protection relays used in substation:

Protection relays used in substation

Components needed For this Project:

You can get the components from any of the sites below:

  1. Circuit Breaker [See Buy Click Amazon]
  2. Relay [See Buy Click Amazon]
  3. PT Coil [See Buy Click Amazon]
  4. CT Coil [See Buy Click Amazon]

*Please note: These are affiliate links. I may make a commission if you buy the components through these links. I would appreciate your support in this way!

Components used to make the Protection relays used in substation:

01. Circuit Breaker:

The full meaning of MCB is Miniature Circuit Breaker. MCB is an electromagnetic switch or device. If for any reason a short circuit occurs in the supply line or load line (line to line or line to neutral) or in case of overload, the MCB automatically trips and disconnects the main line circuit or household power Connection. TP MCB In Three Pole MCB, Switching & Protection is affected in only Three-Phases and the Neutral is not part of the MCB. 3 pole MCB signifies the Connection of Three Wires for a Three-Phase system R-Y-B Phase. Three-Phase Supply Only Without Neutral.

02. Relay:

The most popular relay for automation work is the 8 Pin Relay. 8 pin relay has DC or AC coil as the main part. which is connected to two pins. There are two common parts. Underneath a Common part are an NO and an NC part. No part is normally open with a common part and the NC part is normally closed. The timer base used for automation is the same as the 8-relay base. That is, switching can be done using the timer base. This is basically how a relay switch works.

03. PT Coil:

A current transformer is a device used to measure alternating currents. The transformer used with the ammeter for high-quality AC current measurement is called a current transformer abbreviated as CT. Current transformers are mainly used to measure high currents. We know that high power lines carry a lot of currents. In this case, an ordinary ammeter or multimeter cannot measure this current. Current transformers are used in Acorn.

04. PT Coil:

Instrument transformers Potential transformers are used to measure high voltages. Potential or voltage transformers are used to measure voltage. It is a transformer that is used to step down high voltage to low range. It is used to measure high voltages in circuits with low-range meters, the meter is connected in parallel with the load to measure voltage. The basic principle and operation of a potential transformer are very similar to that of a standard power transformer. The potential transformer is called PTO for short.

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