High-Frequency Multi-Pole Drives for Pumping Stations
Energy Efficiency
HF Multi-Pole Motor (150–600 Hz)
Forced-Cooling Pump Drive Unit
88–92% Efficiency Across 150–600 Hz Span
| Low-Speed Efficiency | 88–92% (vs 50% std) |
| Cooling at Low RPM | 100% (External Forced) |
| Control Resolution | 4× Wider Dynamic Span |
Municipal & Industrial
Nighttime Low-Flow Optimization
Dedicated HF Jockey Pump Layout
Standard motors fail during low-flow hours due to stator overheating and low efficiency. Our high-frequency drives maintain continuous torque density down to lowest operational speeds without thermal decay.
- Energy Savings: >80% power reduction at 50% flow.
- Zero Overheating: Independent forced airflow.
- PID Precision: Smooth pressure stabilization.
System Safeguards
Static Head & BEP Protection
Dead-Head & BEP Limit Floor Diagram

Reducing the water flow rate by up to 60% reduces drive power consumption by up to 21.5%
| Min Dynamic Limit | Auto VFD Floor |
| Bypass Integration | Recirculation Valve |