In modern industries, electric motors are playing a important role in modern technology. In an effort to decrease electric motor energy consumption in these energy-hungry devices―and optimize their efficiency―manufacturers have employed various drive-technologies to modify the motors' speed. These technologies, which include universal variable frequency drives (VFD, AC Drive Converter) and variabl...
When a variable frequency drive (VFD) is added to an existing system, many potential problems may arise. Reduced cooling at reduced speed Most motors running across the line depend on an internal, shaft-driven fan for cooling. When the motor is operated with a VFD, the motor shaft speed (motor speed) decreases and will cause decreased cooling from the shaft-driven fan. If the load is a standard va...
The major difference between soft starter and VFD are as follows. 1. Soft starter is used to start and stop the motor smoothly., without jerk load. 2. The starting torque delivering capacity of the soft starter is poor as V/f ratio or the flux is much lower than the rated capacity of the motor flux. It is suitable for the driven equipment which start at almost no load. 3. VFD is also soft start an...
High performance Crane Inverter Drive uses torque vector control technology. Large torque, fast response, reliable stability, and perfect protection. Provide a full set of solutions for port machinery, grab bucket control, and traveling crane. Gantry crane Tower crane Building hoist Tyre crane Grab bucket crane Portal crane Electric hoist Cargo lift Traveling crane
Reliable product quality and excellent lifting Inverter performance ensure the safety and reliability of winch and lifter. Experienced applications in winch, ability to provide integrated solutions of winch. The winch AC Inverters with voltage 220V/380V/660V/690V/1140V are available. A winch scene in Fujian A winch scene in Hunan Straight well winch in Henan A belt inverter control ...
New energy application, energy saving inverter and consumption; User function design, process optimization, improve equipment efficiency; Applied to farmland irrigation, desert mountain desert treatment, water treatment drive, seawater desalination, etc Gu...
Integrating advantages of energy-saving by variable frequency technology and synchronous servo technology, it features easy installation, good effect of power saving, low maintenance cost, high cost-performance ratio, high dynamic response, and high control precision. Injection molding machine 320T Applied to the motor control in hydraulic pump for power saving and civil electricity switching in p...
Widely used in the engine, lifting, petroleum, chemical, mining, and other industries. Explosion-proof Products 1140V Inverter Drive at an oilfield for the control of oilfield kowtow machine (pumping unit) In Central China 1140V Inverter Drive at an oilfield for the control of oilfield kowtow machine (pumping unit) In Central China 1140V Medium Voltage Inverter VFD Oilfield Application 690V Explos...
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