How do you calculate the current current of a secondary transformer?

Transformer current calculations: The secondary current is equal to the product of the primary voltage and primary current divided by secondary voltage.

What is the common in the two winding of a transformer?

Winding – Transformers have two windings, being the primary winding and the secondary winding. The primary winding is the coil that draws power from the source. The secondary winding is the coil that delivers the energy at the transformed or changed voltage to the load.

How do you find the current in a primary coil?

In other words, i1/i2 = V2/V1. For example, if the current and voltage drop through the secondary coil is 3 amps and 10 volts, and the voltage drop through the primary coil is 5 volts, then the current through the primary coil is 10/5 * 3 = 6 amps.

How do you find the amps on a secondary side of a transformer?

1. Secondary voltages or Low Voltages (L.V) is 415 volts.
2. Secondary Current (Current on Low voltages side) is 139.1 amps.
3. KVA = (√3. V x I) /1000= (1.732 × 415 × 139.1)/1000=100 KVA.

How do you find the primary and secondary winding of a transformer?

Vp=−NpΔΦΔt V p = − N p Δ Φ Δ t . This is known as the transformer equation, and it simply states that the ratio of the secondary to primary voltages in a transformer equals the ratio of the number of loops in their coils.

How do you calculate the current in a transformer?

Transformer current calculations: Transformer turns ratio, V(primary) * I(Primary) = V(secondary) * I(secondary) The primary voltage is equal to the product of the secondary voltage and primary current divided by secondary current.

What is the power available in the secondary winding of transformer?

In an ideal transformer (ignoring any losses), the power available in the secondary winding will be the same as the power in the primary winding, they are constant wattage devices and do not change the power only the voltage to current ratio.

How does a current transformer produce 5 amps in the secondary?

A current transformer of say 500/5, will produce 5 amps in the secondary for 500 amps in the primary conductor, 100 times greater. By increasing the number of secondary windings, Ns, the secondary current can be made much smaller than the current in the primary circuit being measured because as Ns increases, Is goes down by a proportional amount.

What is the working principle of transformer?

The transformer is a static device and which help you to transformer energy without changing its nature and frequency. It is operating under faradays electromagnetic induction principle. Current flows through the primary winding and the secondary winding cut the flux produced by primary, hence emf will be induced in the secondary winding.