Electrical Frequency Converter (50Hz / 60Hz)
Convert electrical frequency and estimate motor speed changes.
Use this frequency converter to convert 50Hz and 60Hz electrical systems and estimate motor speed changes when operating equipment under different grid frequencies.
Motor & System Parameters
Equipment Nameplate (Original Design)
V
Target Network (New Location)
V
Operational Speed
Synchronous RPM
Target Speed
1800
RPM
Speed will increase by 20%
Original Design Speed
1500
RPM
As stated on nameplate
Magnetic Flux (V/Hz)
Torque Indicator
Target V/Hz Ratio
8.00
Available magnetic flux
Original V/Hz Ratio
8.00
Required for rated torque
Optimal Conversion
The V/Hz ratio remains identical. The motor will deliver its rated torque safely at the new speed.
Engineering Reference
Synchronous Speed
RPM = 120 × f / p
Magnetic Flux
Flux ≈ V / f
- f = Frequency (Hz)
- p = Number of Poles
- V/Hz = Maintaining this ratio constant ensures constant motor torque capabilities without overheating.
Disclaimer: FOR GUIDANCE ONLY. Operating equipment outside its nameplate ratings alters cooling efficiency and mechanical stress. E.g., driving a centrifugal pump 20% faster requires 73% more power. Always consult the motor manufacturer.
Designed for Bepto Electric