Variable Frequency Drives Dealers in Prahlad Nagar, Ahmedabad

• SIZE: 440 VOLT

What is a VFD? A Variable Frequency Drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the electric motor. Other names for a VFD are variable speed drive, adjustable speed drive, adjustable frequency drive, AC drive, microdrive, and inverter. Frequency (or hertz) is directly related to the motor�s speed (RPMs). In other words, the faster the frequency, the faster the RPMs go. If an application does not require an electric motor to run at full speed, the VFD can be used to ramp down the frequency and voltage to meet the requirements of the electric motor�s load. As the application�s motor speed requirements change, the VFD can simply turn up or down the motor speed to meet the speed requirement. How does a Variable Frequency Drive work? The first stage of a Variable Frequency AC Drive, or VFD, is the Converter. The converter is comprised of six diodes, which are similar to check valves used in plumbing systems. They allow current to flow in only one direction; the direction shown by the arrow in the diode symbol. For example, whenever A-phase voltage (voltage is similar to pressure in plumbing systems) is more positive than B or C phase voltages, then that diode will open and allow current to flow. When B-phase becomes more positive than A-phase, then the B-phase diode will open and the A-phase diode will close. The same is true for the 3 diodes on the negative side of the bus. Thus, we get six current �pulses� as each diode opens and closes. This is called a �six-pulse VFD�, which is the standard configuration for current Variable Frequency Drives.

• Features: High efficiency , Trouble-free operation , Low maintenance

• Voltage: 3.3 kV
• Features: Best for High Starting Torque , Auto Restart ,User Friendly ,Easy to Maintain
• Item Code: SJ700iSeries
• Brand: Hitachi
• Efficiency: 97%
• Output Waveform: Motor Friendly
• Charging: Pre-Charged

• Brand Name: Schneider
• Features: Handling wide voltage fluctuation, Can be integrated into any automation.
• Model Name/Number: ATV320
• Output Power: 0.18 kW
• Rated Supply Voltage: 200-240 V
• Nominal Output Current: 1.5 A
• Nominal Switching Frequency: 4 kHz
• Maximum Input Current: 3.4 A
• Maximum Output Voltage: 240 V
• Width: 72 mm
• Height: 143 mm
• Depth: 109 mm
• Net Weight: 0.8 Kg

Hitachi offer HIVECTOLHVI-E Series Medium Voltage VFD - Multi Level IGBT Drives up to 14.7mVA, voltage range 3.3 kV, 6.6 kV and 11 kV. Today we offer our Customers the Most Appropriate Digital Technology, in AC Drives / AC Adjustable Speed Drive, tailored to their specific application requirements. Sanand, India based our local Manufacturing Facility ensures Long Term Technical Services and Spares Support. Local manufacturing will help Indian Customers to avail best in class product with Long Term Commitment of Spares and Services. This will also help customer to carry out FAT and train their maintenance engineers. This world class Manufacturing Setup of MV Drives adopts Work Culture, Design, Manufacturing Process, Component Selection, and Quality and Testing Standards that are being followed at Hitachi Japan Manufacturing Facility. Multi Cell Topology of drive uses low voltage devices. It is user friendly and easy to maintain by customer. MV VFD - Multi Level Drives is forced air cooled. Different voltage ratings 3.3kV, 6.6kV and 11kV are available for Medium Voltage Variable Frequency Drive. Intermittent ratings like 3kV, 4.16kV, 6kV are also available for our offered MVD. In-House Regeneration Drive Test Facility is capable to demonstrate MV VFD characterization during FAT. Key Features Patented Design - Increases Reliability Pre-Charging (Reduces charging inrush current of the transformer to less than its rated current) Cyclic Switching of the Cells (Achieves equal utilization of each cell at any operating speed) State-of-the-Art Technology Tailored to your Specific Application Requirements Long Term Technical Services and Spares Support Suitable for Indian Ambient Condition Input Harmonics Meets IEEE - 519 - 1992 Output Waveform - Motor Friendly Best for High Starting Torque High Efficiency (Typical 97% efficiency including input Dry type transformer) Auto Restart User Friendly Easy to Maintain Serving Entire Gamut of Industries Power, Steel & Metal, Cement, Oil & Gas, Mining, Sugar, Pulp & Paper, Water & Waste Water, Rubber, Plastic, etc. Key Applications Pumps, Compressors, Fan / Exhausters, Conveyors, Centrifuges, turbines, extruders and Mixers/ Agitators, Steel mills, Winders, Cement kilns, Induced draft fans, Forced draft fans, Centrifugal applications like Sugar refining & Mining tandem, Banbury's applications and many more...

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