Primary Current given Voltage Transformation Ratio Calculator

✖Secondary Current is the current which is flows in the secondary winding of transformer.ⓘ Secondary Current [I₂]			+10% -10%
✖The Transformation Ratio of the transformer is used to find the relation between primary voltage and secondary voltage.ⓘ Transformation Ratio [K]			+10% -10%

✖Primary Current is the current which is flow in the primary winding of the transformer. The primary current of the transformer is dictated by the load current.ⓘ Primary Current given Voltage Transformation Ratio [I₁]

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Formula

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Primary Current given Voltage Transformation Ratio

Formula

`"I"_{"1"} = "I"_{"2"}*"K"`

Example

`"12.6A"="10.5A"*"1.2"`

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Primary Current given Voltage Transformation Ratio Solution

STEP 0: Pre-Calculation Summary

Formula Used

Primary Current = Secondary Current*Transformation Ratio
I₁ = I₂*K
This formula uses 3 Variables

Variables Used

Primary Current - (Measured in Ampere) - Primary Current is the current which is flow in the primary winding of the transformer. The primary current of the transformer is dictated by the load current.
Secondary Current - (Measured in Ampere) - Secondary Current is the current which is flows in the secondary winding of transformer.
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

Secondary Current: 10.5 Ampere --> 10.5 Ampere No Conversion Required
Transformation Ratio: 1.2 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I₁ = I₂*K --> 10.5*1.2

Evaluating ... ...

I₁ = 12.6

STEP 3: Convert Result to Output's Unit

12.6 Ampere --> No Conversion Required

FINAL ANSWER

12.6 Ampere <-- Primary Current

(Calculation completed in 00.020 seconds)

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Credits

Created by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

Urvi Rathod has created this Calculator and 1500+ more calculators!

Verified by Anirudh Singh

National Institute of Technology (NIT), Jamshedpur

Anirudh Singh has verified this Calculator and 50+ more calculators!

< 6 Current Calculators

Secondary Current using Secondary Parameters

Go Secondary Current = (EMF Induced in Secondary-Secondary Voltage)/Impedance of Secondary

Primary Current using Primary Parameters

Go Primary Current = (Primary Voltage-EMF Induced in Primary)/Impedance of Primary

Secondary Current given Secondary Leakage Reactance

Go Secondary Current = Self Induced EMF in Secondary/Secondary Leakage Reactance

Primary Current given Primary Leakage Reactance

Go Primary Current = Self Induced EMF in Primary/Primary Leakage Reactance

Secondary Current given Voltage Transformation Ratio

Go Secondary Current = Primary Current/Transformation Ratio

Primary Current given Voltage Transformation Ratio

Go Primary Current = Secondary Current*Transformation Ratio

< 25 Transformer Circuit Calculators

EMF Induced in Secondary Winding

Go EMF Induced in Secondary = 4.44*Number of Turns in Secondary*Supply Frequency*Area of Core*Maximum Flux Density

EMF Induced in Primary Winding

Go EMF Induced in Primary = 4.44*Number of Turns in Primary*Supply Frequency*Area of Core*Maximum Flux Density

Equivalent Impedance of Transformer from Secondary Side

Go Equivalent Impedance from Secondary = sqrt(Equivalent Resistance from Secondary^2+Equivalent Reactance from Secondary^2)

Equivalent Impedance of Transformer from Primary Side

Go Equivalent Impedance from Primary = sqrt(Equivalent Resistance from Primary^2+Equivalent Reactance from Primary^2)

Equivalent Resistance from Secondary Side

Go Equivalent Resistance from Secondary = Resistance of Secondary+Resistance of Primary*Transformation Ratio^2

Equivalent Resistance from Primary Side

Go Equivalent Resistance from Primary = Resistance of Primary+Resistance of Secondary/Transformation Ratio^2

P.U. Primary Resistance Drop

Go P U Primary Resistance drop = (Primary Current*Equivalent Resistance from Primary)/EMF Induced in Primary

Terminal Voltage during No Load

Go No Load Terminal Voltage = (Primary Voltage*Number of Turns in Secondary)/Number of Turns in Primary

Transformation Ratio given Secondary Leakage Reactance

Go Transformation Ratio = sqrt(Secondary Leakage Reactance/Reactance of Secondary in Primary)

Transformation Ratio given Primary Leakage Reactance

Go Transformation Ratio = sqrt(Reactance of Primary in Secondary/Primary Leakage Reactance)

Equivalent Reactance of Transformer from Secondary Side

Go Equivalent Reactance from Secondary = Secondary Leakage Reactance+Reactance of Primary in Secondary

Equivalent Reactance of Transformer from Primary Side

Go Equivalent Reactance from Primary = Primary Leakage Reactance+Reactance of Secondary in Primary

Reactance of Secondary Winding in Primary

Go Reactance of Secondary in Primary = Secondary Leakage Reactance/(Transformation Ratio^2)

Primary Leakage Reactance

Go Primary Leakage Reactance = Reactance of Primary in Secondary/(Transformation Ratio^2)

Reactance of Primary Winding in Secondary

Go Reactance of Primary in Secondary = Primary Leakage Reactance*Transformation Ratio^2

Resistance of Secondary Winding in Primary

Go Resistance of Secondary in Primary = Resistance of Secondary/Transformation Ratio^2

Secondary Winding Resistance

Go Resistance of Secondary = Resistance of Secondary in Primary*Transformation Ratio^2

Primary Winding Resistance

Go Resistance of Primary = Resistance of Primary in Secondary/(Transformation Ratio^2)

Resistance of Primary Winding in Secondary

Go Resistance of Primary in Secondary = Resistance of Primary*Transformation Ratio^2

Transformation Ratio given Primary and Secondary Number of Turns

Go Transformation Ratio = Number of Turns in Secondary/Number of Turns in Primary

Secondary Leakage Reactance

Go Secondary Leakage Reactance = Self Induced EMF in Secondary/Secondary Current

Transformation Ratio given Primary and Secondary Current

Go Transformation Ratio = Primary Current/Secondary Current

Transformation Ratio given Primary and Secondary Voltage

Go Transformation Ratio = Secondary Voltage/Primary Voltage

Secondary Voltage given Voltage Transformation Ratio

Go Secondary Voltage = Primary Voltage*Transformation Ratio

Primary Voltage given Voltage Transformation Ratio

Go Primary Voltage = Secondary Voltage/Transformation Ratio

Primary Current given Voltage Transformation Ratio Formula

Primary Current = Secondary Current*Transformation Ratio
I₁ = I₂*K

What is transformer transformation ratio?

It is actually defined as a transformer. Transformation Ratio (K) is defined as the ratio of the EMF in the secondary coil to that in the primary coil. Due to the resistance in the winding and some leakage flux, there is some loss in voltage. This is called Voltage Drop.

How to Calculate Primary Current given Voltage Transformation Ratio?

Primary Current given Voltage Transformation Ratio calculator uses Primary Current = Secondary Current*Transformation Ratio to calculate the Primary Current, The Primary Current given Voltage Transformation Ratio formula is defined as the current which is flow in the primary winding of the transformer. Primary Current is denoted by I₁ symbol.

How to calculate Primary Current given Voltage Transformation Ratio using this online calculator? To use this online calculator for Primary Current given Voltage Transformation Ratio, enter Secondary Current (I₂) & Transformation Ratio (K) and hit the calculate button. Here is how the Primary Current given Voltage Transformation Ratio calculation can be explained with given input values -> 12.6 = 10.5*1.2.

FAQ

What is Primary Current given Voltage Transformation Ratio?

The Primary Current given Voltage Transformation Ratio formula is defined as the current which is flow in the primary winding of the transformer and is represented as I₁ = I₂*K or Primary Current = Secondary Current*Transformation Ratio. Secondary Current is the current which is flows in the secondary winding of transformer & The Transformation Ratio of the transformer is used to find the relation between primary voltage and secondary voltage.

How to calculate Primary Current given Voltage Transformation Ratio?

The Primary Current given Voltage Transformation Ratio formula is defined as the current which is flow in the primary winding of the transformer is calculated using Primary Current = Secondary Current*Transformation Ratio. To calculate Primary Current given Voltage Transformation Ratio, you need Secondary Current (I₂) & Transformation Ratio (K). With our tool, you need to enter the respective value for Secondary Current & 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 Primary Current?

In this formula, Primary Current uses Secondary Current & Transformation Ratio. We can use 2 other way(s) to calculate the same, which is/are as follows -

Primary Current = Self Induced EMF in Primary/Primary Leakage Reactance
Primary Current = (Primary Voltage-EMF Induced in Primary)/Impedance of Primary

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