Energy Solutions can help you reduce your electricity bills
Commercial Enquiry :
+919373336340 | +919822407189
sales@enertechups.com
Customer Care & Support: +919373679255 support@enertechups.com
Careers:
+919075088292
hr@enertechups.com
Energy Solutions can help you reduce your electricity bills
Commercial Enquiry :
+919373336340 | +919822407189
sales@enertechups.com
Customer Care & Support: +919373679255 support@enertechups.com
Careers:
+919075088292
hr@enertechups.com
EnerTech designs and manufactures precision VVVF converters for variable voltage and frequency control. With advanced IGBT technology and microprocessor-based control, our converters deliver precise motor speed regulation — ideal for railways, marine propulsion, industrial drives, and defence applications.
| Parameter | Specification |
|---|---|
| Input Voltage |
Single-phase: 110V, 120V, 220V, 230V Three-phase: 220V, 380V, 400V, 480V |
| Output Voltage | 0 to Rated Voltage (Variable) |
| Input Frequency | 50Hz / 60Hz |
| Output Frequency | 0 to 400Hz (Typically 0–120Hz) |
| Frequency Control | 0.01Hz Resolution |
| Speed Control Range | 1:100 (Sensorless Vector Control) |
| Overload Capacity | 150% for 60 Seconds, 120% Continuous |
| Efficiency | >97% at Rated Load |
| Technology | IGBT-based PWM Inverter with DSP Control |
| Control Methods | V/F Control, Sensorless Vector Control, Torque Control |
| Protection | Comprehensive Electronic Safeguards |
| Communication | Modbus RTU, Profibus, Ethernet (Optional) |
Industrial motors consume over 60% of facility electrical energy, yet most operate at fixed speeds regardless of actual load requirements. EnerTech’s Variable Voltage Variable Frequency (VVVF) Converter transforms motor operation through intelligent speed control, delivering energy savings of 20% to 50% while extending equipment life and enhancing process control.
By simultaneously varying both voltage and frequency supplied to AC motors, VVVF technology enables precise speed regulation from zero to maximum rated speed. This eliminates energy waste inherent in fixed-speed operation, reduces mechanical stress through soft-start capabilities, and provides unmatched control precision for demanding industrial processes.
Incoming AC power (fixed voltage and frequency) passes through high-efficiency rectifier circuits that convert it to stable DC voltage.
Advanced capacitor banks smooth the DC bus, eliminating ripple and providing clean, stable power to the inverter stage.
IGBT-based inverter generates AC output at precisely controlled voltage and frequency using pulse width modulation (PWM). Microprocessor control maintains optimal voltage-to-frequency (V/F) ratio throughout the speed range.
Motors operating at reduced speeds consume significantly less power—following the affinity laws, a 20% speed reduction can deliver 50% energy savings for centrifugal loads. Typical industrial applications achieve 20-50% energy reduction, with some variable-torque applications exceeding 60% savings.
Achieve exact speed regulation for applications demanding tight process tolerances. Stepless speed adjustment from zero to maximum RPM enables optimization impossible with fixed-speed motors or mechanical speed control methods.
Built-in safeguards protect against overvoltage, undervoltage, overcurrent, phase loss, overtemperature, and ground faults. Electronic protection responds faster than thermal overloads, preventing costly motor failures.
Eliminate destructive mechanical shock during motor startup. VVVF converters gradually ramp voltage and frequency, reducing starting current to 1.8x rated versus 6-8x for direct-on-line starts. Extended equipment life, reduced maintenance costs, and eliminated nuisance breaker trips.
VVVF converters improve overall system power factor, reducing reactive power consumption and avoiding utility penalty charges. Near-unity power factor operation maximizes electrical infrastructure capacity.
Match pump output precisely to system demand instead of throttling valves to waste energy. VVVF control delivers 30-50% energy savings in typical water and wastewater applications while eliminating water hammer and reducing pipe erosion.
Variable air volume systems achieve optimal comfort while minimizing energy consumption. Reduce fan speed during low-demand periods, eliminate damper losses, and extend bearing life through reduced mechanical stress.
Control conveyor speed for optimal production flow. Achieve smooth acceleration and deceleration to prevent product spillage or damage. Synchronize multiple conveyors with precision timing impossible using fixed-speed motors.
Match compressed air delivery to actual demand, eliminating constant load/unload cycling. Reduce energy consumption by 25-40% while extending compressor life through reduced thermal and mechanical stress.
Maintain precise screw speeds across varying material viscosities. Achieve consistent product quality while optimizing energy consumption for different product runs.
Variable spindle speeds enable optimal cutting conditions for different materials and operations. Enhanced surface finish quality and tool life through precise speed control.
Smooth acceleration and deceleration curves deliver superior ride quality. Regenerative braking captures energy during descent, reducing overall power consumption by 20-30%.
Achieve precise torque control without expensive motor encoders. Advanced algorithms estimate rotor position and speed, delivering near-encoder performance at significantly reduced system cost.
Intelligent algorithms continuously adjust voltage to minimize magnetizing current while maintaining required torque. Maximizes efficiency across varying load conditions without manual tuning.
Detect rotating motors and seamlessly synchronize output frequency before applying full voltage. Essential for critical applications where unexpected shutdowns cannot interrupt rotating equipment.
Built-in PID controllers enable closed-loop process regulation using external feedback signals. Maintain constant pressure, flow, temperature, or other process variables without separate controllers.
Program up to 16 preset speeds selectable via digital inputs. Simplifies operation for repetitive processes requiring specific speed settings.
| Application Type | Average Energy Savings |
|---|---|
| Centrifugal Pumps | 30–50% |
| HVAC Fans | 30–50% |
| Cooling Tower Fans | 40–60% |
| Air Compressors | 25–40% |
| Conveyors (Variable Speed) | 20–35% |
| Extruders | 15–25% |
50HP motor running 6,000 hours/year at $0.10/kWh
| Feature | EnerTech VVVF Converter | Fixed Speed + Throttling |
|---|---|---|
| Energy Efficiency | 20–50% Savings | Baseline (Wasteful) |
| Speed Control | Stepless, 0–100% | None (Throttled Output) |
| Motor Starting | Soft Start, 1.8× Rated Current | Hard Start, 6–8× Current |
| Mechanical Stress | Minimal | High Shock Loads |
| Process Control | Precise Regulation | Coarse Throttling |
| Power Factor | Near Unity | Varies with Load |
| Maintenance | Reduced Wear | High Wear Rates |
Full parameter access via industrial protocols enables real-time monitoring, remote control, and predictive maintenance integration.
Evaluate motor load profiles to determine optimal VVVF sizing and projected energy savings.
Recommend input/output filtering, braking resistors, and reactor requirements for your specific installation.
Configure parameters for your application including acceleration/deceleration rates, torque limits, and protection settings.
On-site or remote assistance to optimize VVVF performance and verify energy savings achievement.
Over 36 years of power electronics manufacturing excellence. EnerTech VVVF converters operate in the harshest industrial environments worldwide.
IGBT modules from leading global manufacturers ensure long-term reliability and high efficiency. Industrial-grade capacitors and reactors withstand demanding electrical environments.
Standard warranty coverage with extended warranty options available. Responsive technical support ensures minimal downtime.
EnerTech stands behind projected energy savings with application engineering support to achieve target efficiency gains.
Custom configurations available for specialized applications including high-ambient temperature, high-altitude, marine, and hazardous location installations.
Delivering success through 35,000+ satisfied customers over the past 35+ years with our impeccable Battery Energy Storage System Installation.
Our application engineers provide free energy audits including:
Yes, EnerTech offers customization options for the SFC to tailor it to specific frequency conversion needs, including input/output frequency ranges, power ratings, and control features.
Yes, the converter includes built-in monitoring and control features accessible via web-based interfaces or network management systems for remote management and diagnostics.
Key factors to think about are the frequency conversion range, input and output voltage compatibility, power rating and capacity, efficiency and performance, protection features, remote monitoring capabilities, environmental suitability, and manufacturer reputation.
A static frequency converter can support a wide variety of loads, including motors, pumps, compressors, lighting systems, and other electrical equipment requiring precise frequency control.
Copyright 2026 Enertech. All rights reserved by Enertech.
