Step-Up Transformer Calculator — Calculate Voltage Conversion Ratios

Step-Up Transformer Calculator

Calculate step-up transformer specifications, winding ratios, and power requirements for optimal voltage conversion. Determine proper transformer parameters based on input/output voltage, power rating, and efficiency.

Step 1: Voltage & Power Specifications

Understanding Step-Up Transformers

Step-up transformers increase voltage from primary to secondary winding while decreasing current proportionally. The turns ratio determines the voltage transformation.

Step 2: Transformer Characteristics

95%
80%

About Transformer Efficiency

Transformer efficiency indicates how effectively it transfers electrical power. Higher efficiency means less energy loss as heat. Typical efficiency ranges from 90% to 98% for modern transformers.

Transformer Calculation Results

Summary
Transformer Comparison
Breakdown

Turns Ratio (Primary:Secondary)

1:2
For 120V input to 240V output at 95% efficiency
Input Current
41.7 A
Output Current
20.8 A
Power Rating
5 kVA
Transformer Type
Three-Phase

Transformer Type Comparison

Transformer Type Typical Efficiency Common Applications Cost Factor

Transformer Calculation Breakdown

Transformer Calculation Formula

Turns Ratio = Primary Voltage ÷ Secondary Voltage

The turns ratio determines how many times the voltage is increased. Current changes inversely with voltage to maintain power balance (ignoring losses).

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