VFD
VFD(Variable Frequency Drive) enables to reduce waste of energy by controlling the rotational speed of PMSM in order to adjust discharge pressure and flow rate
- Enables wide flow turndown range of 45~100%
- Suitable for large WWTP where flow rate frequently changes
Characteristics
- Soft starting
- Minimizing energy consumption during load changes
- Rapid load response
Specifications
- Output Power: 30kW~315kW
- Efficiency: 96~98%
- Switching Frequency: Max. 12kHz
- Output Frequency: Max. 1200Hz
- Voltage Range: 305~500V
- Operating Temperature: -10~45 °C
- Cooling: Air + (Water)
Controller
Easy control and real time monitoring / diagnostics of operating conditions through PLC and touch screen
Various operation modes suitable for user’s demand(Constant Speed / Constant Pressure / Constant Flow / DO link)
Remote monitoring and control through various protocols (MODBUS, PROFIBUS, ETHERNET IP, Hard Wire etc)lVarious languages available(English, Korean)
Package
- No environmental pollution by eliminating gearbox and lubrication system(Oil-Free)
- No need for additional ventilation system in blower room by unique cooling design
- Small footprint and installation cost saving with “all-in-one package”
- Plug & Play operation
Low noise under 85 dB(A)
- Noise suppression cover with soundproof panel
Low vibration
- No need for special foundation and vibration isolation system
- No contact while operation by applying air foil bearing
