Calculation of current
Description
Calculate current based on voltage, power, power factor, or impedance.
Supports:
- Single-phase and three-phase systems
- Active power → current
- Apparent power → current
- Resistance/impedance → current
- Bilingual support
Key Formulas
Single-phase: I = P / (V × cosφ)
Three-phase: I = P / (√3 × V × cosφ)
Single-phase: I = S / V
Three-phase: I = S / (√3 × V)
Single-phase: I = V / R
Three-phase: I = V / (√3 × Z)
Three-phase: I = P / (√3 × V × cosφ)
Single-phase: I = S / V
Three-phase: I = S / (√3 × V)
Single-phase: I = V / R
Three-phase: I = V / (√3 × Z)
Example
Three-phase system, 400V, 10kW, PF=0.85
→ Current ≈ 17.5 A
→ Current ≈ 17.5 A
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