3 phase transformer wiring:

This diagram shows How to make 3-phase transformer wiring. In this circuit, we use an ACB ( Air Circuit Breaker ), a 3-phase transformer, and four MCCBs ( Molded Case Circuit Breaker ). First, we need to connect the MCCB with the power source, then connect the ACB with the MCCB, then connect the 3-phase transformer with the ACB.

Diagram of 3 phase transformer wiring:

3 phase transformer wiring

Components needed For this Project:

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

  1. MCCB [See Buy Click Amazon]
  2. Transformer [See Buy Click Amazon]
  3. ACB [See Buy Click Amazon]

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Components used to make the 3 phase transformer wiring:

01. MCCB:

The MCCB consists of a bimetallic sheet that expands and contracts when the temperature of the MCCB changes. Due to overload, the bimetallic strip will start to bend and eventually, it will trip if more current flows in the circuit than the predetermined current. The trip mechanism opens the breaker. MCCB stands for Molded Case Circuit Breaker. It is another type of electrical protection device that is used when the load current exceeds the limit of a miniature circuit breaker. The MCCB provides Protection against Overload, and Short Circuit Faults and is also used for Switching the Circuits.

02. Transformer:

The Primary Winding of the Three-Phase Transformer is Energized from a Three-Phase Supply. The Flux is Produced in the Core by the Primary Currents in the Three Windings. The core has Three Limbs, where any Two limbs act as a return path for the Flux in the Third limb. A Three-phase, 50Hz Transformer has a Delta-Connected Primary and Star-Connected Secondary, the line Voltages being 22,000V and 400V Respectively. The secondary has a Star-Connected Balanced load at 0.8 Power Factor Lagging. Three-Phase has Four Wires, Three actives called phases and one neutral.

03. ACB:

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