Variable Frequency Inverter
Variable Frequency Inverter
Variable Frequency Inverter controls the speed and torque of an AC motor by converting fixed frequency and voltage input to a variable frequency and voltage output. System performance is greatly improved by controlling speed to precisely match the realtime load.
Besides system optimisation and motor efficiency, VFD motor control is one of the 3 main areas to achieve energy savings. Savings will depend on the nature and variability of the load and total operating hours. Where process output requirements vary by 30% or more, matching the load with a VFD can reduce energy use significantly.
Motor systems equipped with a VFD can bring benefits including…
- Reduce maximum power demand
- Reduce stress on system components
- Accurate control of process signals… pressure, flow, temperature etc
- Improved safety and amenity, through reduced heat and noise levels
- Integration of VFD control with building management systems (BMS)
Seamless Process Automation Limited has a wealth of knowledge across all the leading variable frequency inverter brands. We take pride in being experts in the integration of variable frequency inverters within a wide range of industrial and commercial applications.
Popular brands of VFDs we supply across Kenya are
Variable frequency inverters (VFDs) work by varying the AC electrical input frequency to control drive speed. They are preferred due to their accurate speed variability from zero rpm to over 100% rpm of the rated speed. VFDs also enable motor control in either direction.
VFDs may be of little benefit where precise motor speed control does not assist the production process, or where hours of reduced demand are few. VFDs are also not recommended for applications in which slowing down the machine causes operating problems, such as poor cooling.
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22kW Variable Speed Drive Schneider Electric Altivar 630
Add to cart22kW Variable Speed Drive
Product Range Altivar Process ATV600 Product or component type Variable speed drive Product destination Asynchronous motors Synchronous motors Type of cooling Forced convection Supply frequency 50…60 Hz – 5…5 % Network number of phases 3 phases [Us] rated supply voltage 380…480 V – 15…10 % Motor power 22kW (normal duty) 18.5kW (heavy duty) Line current 39.6 A at 380 V (normal duty) 34.1 A at 380 V (heavy duty) Speed drive output frequency 0.1…599 Hz Discrete input logic 16 preset speeds Communication port protocol Modbus TCP Ethernet Modbus serial Output voltage <= power supply voltage -
18kW Variable Speed Drive Schneider Electric Altivar 630
Add to cart18kW Variable Speed Drive
Product Range Altivar Process ATV600 Product or component type Variable speed drive Product destination Asynchronous motors Synchronous motors Type of cooling Forced convection Supply frequency 50…60 Hz – 5…5 % Network number of phases 3 phases [Us] rated supply voltage 380…480 V – 15…10 % Motor power 18.5kW (normal duty) 15kW (heavy duty) Line current 33.4 A at 380 V (normal duty) 27.7 A at 380 V (heavy duty) Speed drive output frequency 0.1…599 Hz Discrete input logic 16 preset speeds Communication port protocol Modbus TCP Ethernet Modbus serial Output voltage <= power supply voltage -
15kW Variable Speed Drive Schneider Electric Altivar 630
Add to cart15kW Variable Speed Drive
Product Range Altivar Process ATV600 Product or component type Variable speed drive Product destination Asynchronous motors Synchronous motors Type of cooling Forced convection Supply frequency 50…60 Hz – 5…5 % Network number of phases 3 phases [Us] rated supply voltage 380…480 V – 15…10 % Motor power 15kW (normal duty) 11kW (heavy duty) Line current 27 A at 380 V (normal duty) 20.6 A at 380 V (heavy duty) Speed drive output frequency 0.1…599 Hz Discrete input logic 16 preset speeds Communication port protocol Modbus TCP Ethernet Modbus serial Output voltage <= power supply voltage -
11kW Variable Speed Drive Schneider Electric Altivar 630
Add to cart11kW Variable Speed Drive
Product Range Altivar Process ATV600 Product or component type Variable speed drive Product destination Asynchronous motors Synchronous motors Type of cooling Forced convection Supply frequency 50…60 Hz – 5…5 % Network number of phases 3 phases [Us] rated supply voltage 380…480 V – 15…10 % Motor power 11kW (normal duty) 7.5kW (heavy duty) Line current 19.8 A at 380 V (normal duty) 14.1 A at 380 V (heavy duty) Speed drive output frequency 0.1…599 Hz Discrete input logic 16 preset speeds Communication port protocol Modbus TCP Ethernet Modbus serial Output voltage <= power supply voltage -
160kW Variable Speed Drive Schneider Altivar 630
Add to cart160kW Variable Speed Drive
Product Range Altivar Process ATV600 Product or component type Variable speed drive Product destination Asynchronous motors Synchronous motors Type of cooling Forced convection Supply frequency 50…60 Hz – 5…5 % Network number of phases 3 phases [Us] rated supply voltage 380…480 V – 15…10 % Motor power 160kW (normal duty) 132kW (heavy duty) Line current 284 A at 380 V (normal duty) 237 A at 380 V (heavy duty) Speed drive output frequency 0.1…599 Hz Discrete input logic 16 preset speeds Communication port protocol Modbus TCP Ethernet Modbus serial Output voltage <= power supply voltage -
130kW Variable Speed Drive Schneider Altivar 630
Add to cart130kW Variable Speed Drive
Product Range Altivar Process ATV600 Product or component type Variable speed drive Product destination Asynchronous motors Synchronous motors Type of cooling Forced convection Supply frequency 50…60 Hz – 5…5 % Network number of phases 3 phases [Us] rated supply voltage 380…480 V – 15…10 % Motor power 132kW (normal duty) 110 kW (heavy duty) Line current 237 A at 380 V (normal duty) 201 A at 380 V (heavy duty) Speed drive output frequency 0.1…599 Hz Discrete input logic 16 preset speeds Communication port protocol Modbus TCP Ethernet Modbus serial Output voltage <= power supply voltage -
110kW Variable Speed Drive Schneider Altivar 630
Add to cart110kW Variable Speed Drive
Product Range Altivar Process ATV600 Product or component type Variable speed drive Product destination Asynchronous motors Synchronous motors Type of cooling Forced convection Supply frequency 50…60 Hz – 5…5 % Network number of phases 3 phases [Us] rated supply voltage 380…480 V – 15…10 % Motor power 110 kW (normal duty) 90 kW (heavy duty) Line current 201 A at 380 V (normal duty) 170 A at 380 V (heavy duty) Speed drive output frequency 0.1…599 Hz Discrete input logic 16 preset speeds Communication port protocol Modbus TCP Ethernet Modbus serial Output voltage <= power supply voltage -
Variable Frequency Inverter
Select options This product has multiple variants. The options may be chosen on the product pageVariable Frequency Inverter
- Rated supply voltage 440 V +/- 10 %
- Integrated modbus communication port
- Input frequency 0-50hz
- Output frequency 0-500hz
- Configurable output relays
- Analog input/output
- Logic inputs
