# How do you find line current in a 3 phase star connection?

## How do you find line current in a 3 phase star connection?

Voltage, Current and Power Values in Star Connection (Y)

1. Hence, if.
2. = 2 x VPH x (√3/2) ……
3. VYB = VY – VB
4. VBR = VB – VR
5. Line Current = Phase Current.
6. Hence, total active or true power in a three phase AC system;
7. We know that the values of Phase Current and Phase Voltage in Star Connection;
8. Power in Star Connection,

## What is the line voltage in 3 phase balanced star connection?

Line Voltage is the potential difference between two phases or lines. 3. In star connection, line voltage is √3 times the phase voltage.

What is star star connection in 3 phase?

In the Star Connection, the similar ends (either start or finish) of the three windings are connected to a common point called star or neutral point. The three-line conductors run from the remaining three free terminals called line conductors.

### How do you calculate line to line voltage in 3 phase?

Phase voltage to line voltage calculator: Enter the phase voltage then press the calculate button to get the line voltage. Line voltage is V(L-L) in volts equal to root 3 times of the phase voltage V(L-N) in volts. Example: What is the line voltage of the delta connected system whose phase voltage is 240 Volts.

### How are voltages and lines related in a star connection?

In star connections, fundamentally we connect the same phase sides to a mutual (common) point known as neutral point and provide supply to its free ends which stay thereafter as shown in figure 1. As far as line and phase voltages are concerned, they are related to each other as: Vline=√3Vphase V line = 3 V phase

What is the star connection in a 3 phase system?

Similarly, the voltage across each phase is called Phase Voltage Eph, and the voltage across two line conductors is known as the Line Voltage EL. The Star connection is shown in the figure below. As the system is balanced, a balanced system means that in all the three phases, i.e., R, Y and B, the equal amount of current flows through them.

## Is the line voltage equal to the voltage in Delta Connection?

I.e. in Delta connection, the Line Voltage is equal to the Phase Voltage. Also read : Three Phase Current Values in a 3-Phase System; Line Currents (I L) and Phase Currents (I Ph) in Delta Connection

## How are line voltages and phase voltages related?

As far as line and phase voltages are concerned, they are related to each other as: Which means that whatever supply voltage we have, we need to insulate the windings for 1/√3 1 / 3 times the line voltage only. Whereas, in a Star connection, line and phase currents remain the same as: