Equivalent Resistance from Primary Side Solution

STEP 0: Pre-Calculation Summary
Formula Used
Equivalent Resistance from Primary = Resistance of Primary+Resistance of Secondary/Transformation Ratio^2
R01 = R1+R2/K^2
This formula uses 4 Variables
Variables Used
Equivalent Resistance from Primary - (Measured in Ohm) - The Equivalent Resistance from Primary side is the total resistance of the primary side.
Resistance of Primary - (Measured in Ohm) - Resistance of Primary Winding is the resistance of primary winding.
Resistance of Secondary - (Measured in Ohm) - Resistance of Secondary Winding is the resistance of secondary winding.
Transformation Ratio - The Transformation Ratio of the transformer is used to find the relation between primary voltage and secondary voltage.
STEP 1: Convert Input(s) to Base Unit
Resistance of Primary: 17.98 Ohm --> 17.98 Ohm No Conversion Required
Resistance of Secondary: 25.9 Ohm --> 25.9 Ohm No Conversion Required
Transformation Ratio: 1.2 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
R01 = R1+R2/K^2 --> 17.98+25.9/1.2^2
Evaluating ... ...
R01 = 35.9661111111111
STEP 3: Convert Result to Output's Unit
35.9661111111111 Ohm --> No Conversion Required
FINAL ANSWER
35.9661111111111 35.96611 Ohm <-- Equivalent Resistance from Primary
(Calculation completed in 00.004 seconds)

Credits

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Created by Urvi Rathod
Vishwakarma Government Engineering College (VGEC), Ahmedabad
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Verified by Anirudh Singh
National Institute of Technology (NIT), Jamshedpur
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​ LaTeX ​ Go Resistance of Primary in Secondary = Equivalent Resistance from Secondary-Resistance of Secondary in Primary
Equivalent Resistance of Transformer from Secondary Side
​ LaTeX ​ Go Equivalent Resistance from Secondary = Resistance of Primary in Secondary+Resistance of Secondary
Resistance of Secondary in Primary using Equivalent Resistance from Primary Side
​ LaTeX ​ Go Resistance of Secondary in Primary = Equivalent Resistance from Primary-Resistance of Primary
Equivalent Resistance of Transformer from Primary Side
​ LaTeX ​ Go Equivalent Resistance from Primary = Resistance of Secondary in Primary+Resistance of Primary

Transformer Circuit Calculators

Equivalent Reactance of Transformer from Secondary Side
​ LaTeX ​ Go Equivalent Reactance from Secondary = Secondary Leakage Reactance+Reactance of Primary in Secondary
Equivalent Reactance of Transformer from Primary Side
​ LaTeX ​ Go Equivalent Reactance from Primary = Primary Leakage Reactance+Reactance of Secondary in Primary
Primary Leakage Reactance
​ LaTeX ​ Go Primary Leakage Reactance = Reactance of Primary in Secondary/(Transformation Ratio^2)
Reactance of Primary Winding in Secondary
​ LaTeX ​ Go Reactance of Primary in Secondary = Primary Leakage Reactance*Transformation Ratio^2

Equivalent Resistance from Primary Side Formula

​LaTeX ​Go
Equivalent Resistance from Primary = Resistance of Primary+Resistance of Secondary/Transformation Ratio^2
R01 = R1+R2/K^2

What type of windings are used in a transformer?

In core type, we wrap the primary, and secondary windings on the outside limbs, and in shell type, we place the primary and secondary windings on the inner limbs. We use concentric type windings in core type transformer. We place a low voltage winding near the core. However, to reduce leakage reactance, windings can be interlaced.

How to Calculate Equivalent Resistance from Primary Side?

Equivalent Resistance from Primary Side calculator uses Equivalent Resistance from Primary = Resistance of Primary+Resistance of Secondary/Transformation Ratio^2 to calculate the Equivalent Resistance from Primary, The Equivalent Resistance From Primary Side When Secondary Winding Resistance is given formula is defined as the sum of Primary winding Resistance and Resistance of Secondary winding in the primary. Equivalent Resistance from Primary is denoted by R01 symbol.

How to calculate Equivalent Resistance from Primary Side using this online calculator? To use this online calculator for Equivalent Resistance from Primary Side, enter Resistance of Primary (R1), Resistance of Secondary (R2) & Transformation Ratio (K) and hit the calculate button. Here is how the Equivalent Resistance from Primary Side calculation can be explained with given input values -> 35.96611 = 17.98+25.9/1.2^2.

FAQ

What is Equivalent Resistance from Primary Side?
The Equivalent Resistance From Primary Side When Secondary Winding Resistance is given formula is defined as the sum of Primary winding Resistance and Resistance of Secondary winding in the primary and is represented as R01 = R1+R2/K^2 or Equivalent Resistance from Primary = Resistance of Primary+Resistance of Secondary/Transformation Ratio^2. Resistance of Primary Winding is the resistance of primary winding, Resistance of Secondary Winding is the resistance of secondary winding & The Transformation Ratio of the transformer is used to find the relation between primary voltage and secondary voltage.
How to calculate Equivalent Resistance from Primary Side?
The Equivalent Resistance From Primary Side When Secondary Winding Resistance is given formula is defined as the sum of Primary winding Resistance and Resistance of Secondary winding in the primary is calculated using Equivalent Resistance from Primary = Resistance of Primary+Resistance of Secondary/Transformation Ratio^2. To calculate Equivalent Resistance from Primary Side, you need Resistance of Primary (R1), Resistance of Secondary (R2) & Transformation Ratio (K). With our tool, you need to enter the respective value for Resistance of Primary, Resistance of Secondary & Transformation Ratio and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Equivalent Resistance from Primary?
In this formula, Equivalent Resistance from Primary uses Resistance of Primary, Resistance of Secondary & Transformation Ratio. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Equivalent Resistance from Primary = Resistance of Secondary in Primary+Resistance of Primary
  • Equivalent Resistance from Primary = sqrt(Equivalent Impedance from Primary^2-Equivalent Reactance from Primary^2)
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