Created by Parminder Singh
Chandigarh University (CU), Punjab
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BMS College Of Engineering (BMSCE), Banglore
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Delta to Star transformation Solution

STEP 0: Pre-Calculation Summary
Formula Used
Star Impedance A = (Delta Impedance 1*Delta Impedance 3)/(Delta Impedance 1+Delta Impedance 2+Delta Impedance 3)
ZA = (Z1*Z3)/(Z1+Z2+Z3)
This formula uses 3 Variables
Variables Used
Delta Impedance 1 - Delta Impedance 1 is defined as the first impedance connected in the delta connection. (Measured in Ohm)
Delta Impedance 3 - Delta Impedance 3 is defined as the third impedance connected in the delta connection. (Measured in Ohm)
Delta Impedance 2 - Delta Impedance 2 is defined as the second impedance connected in the delta connection. (Measured in Ohm)
STEP 1: Convert Input(s) to Base Unit
Delta Impedance 1: 5 Ohm --> 5 Ohm No Conversion Required
Delta Impedance 3: 7 Ohm --> 7 Ohm No Conversion Required
Delta Impedance 2: 6 Ohm --> 6 Ohm No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ZA = (Z1*Z3)/(Z1+Z2+Z3) --> (5*7)/(5+6+7)
Evaluating ... ...
ZA = 1.94444444444444
STEP 3: Convert Result to Output's Unit
1.94444444444444 Ohm --> No Conversion Required
FINAL ANSWER
1.94444444444444 Ohm <-- Star Impedance A
(Calculation completed in 00.016 seconds)

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Delta to Star transformation Formula

Star Impedance A = (Delta Impedance 1*Delta Impedance 3)/(Delta Impedance 1+Delta Impedance 2+Delta Impedance 3)
ZA = (Z1*Z3)/(Z1+Z2+Z3)

What is a Delta connection?

A delta connection is a connection used in a three-phase electrical system in which three elements in series form a triangle, the supply being input and output at the three junctions. In Delta (also denoted by Δ) system of interconnection, the starting ends of the three phases or coils are connected to the finishing ends of the coil. Or the starting end of the first coil is connected to the finishing end of the second coil and so on (for all three coils) and it looks like a closed mesh or circuit .

How to Calculate Delta to Star transformation?

Delta to Star transformation calculator uses Star Impedance A = (Delta Impedance 1*Delta Impedance 3)/(Delta Impedance 1+Delta Impedance 2+Delta Impedance 3) to calculate the Star Impedance A, The Delta to Star transformation formula is defined as the transformation of impedance connected in a delta connection to star connection. It is done when the sum of adjacent impedances in star connection are summed up with the product of two adjacent impedances divided by the remaining one impedance. Star Impedance A is denoted by ZA symbol.

How to calculate Delta to Star transformation using this online calculator? To use this online calculator for Delta to Star transformation, enter Delta Impedance 1 (Z1), Delta Impedance 3 (Z3) & Delta Impedance 2 (Z2) and hit the calculate button. Here is how the Delta to Star transformation calculation can be explained with given input values -> 1.944444 = (5*7)/(5+6+7).

FAQ

What is Delta to Star transformation?
The Delta to Star transformation formula is defined as the transformation of impedance connected in a delta connection to star connection. It is done when the sum of adjacent impedances in star connection are summed up with the product of two adjacent impedances divided by the remaining one impedance and is represented as ZA = (Z1*Z3)/(Z1+Z2+Z3) or Star Impedance A = (Delta Impedance 1*Delta Impedance 3)/(Delta Impedance 1+Delta Impedance 2+Delta Impedance 3). Delta Impedance 1 is defined as the first impedance connected in the delta connection, Delta Impedance 3 is defined as the third impedance connected in the delta connection & Delta Impedance 2 is defined as the second impedance connected in the delta connection.
How to calculate Delta to Star transformation?
The Delta to Star transformation formula is defined as the transformation of impedance connected in a delta connection to star connection. It is done when the sum of adjacent impedances in star connection are summed up with the product of two adjacent impedances divided by the remaining one impedance is calculated using Star Impedance A = (Delta Impedance 1*Delta Impedance 3)/(Delta Impedance 1+Delta Impedance 2+Delta Impedance 3). To calculate Delta to Star transformation, you need Delta Impedance 1 (Z1), Delta Impedance 3 (Z3) & Delta Impedance 2 (Z2). With our tool, you need to enter the respective value for Delta Impedance 1, Delta Impedance 3 & Delta Impedance 2 and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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