Drives with a Variable Frequency (AC)

 Variable Frequency Drives (AC) assist mechanical equipment save electricity. The drive reduces power usage by using Insulated Gate Bipolar Transistors (IGBT) as a switch to adjust the output power's frequency and voltage. VFDs are available for a wide range of mechanical machines on the market. In the industry, variable frequency drives are commonly used in lifts, stamping machines, hoists, cranes, and automation applications.

LGIS (LG Industrial Systems) is a well-known maker of variable frequency drives. The LG 1ph Starver IG series drives are ideal for commercial and industrial elevators. The drives are small and feature simple mounting options. The drives are also appropriate for low-cost applications in which the control panel's processing units are microcontrollers.

The drives also offer a versatile interface to a wide range of programmable logic controllers (PLCs). All you'll need is a programmable PLC and a communication cable to connect the two electronic gadgets. 

The drives also offer a versatile interface to a wide range of programmable logic controllers (PLCs). All you'll need is a programmable PLC and a communication cable to connect the two electronic gadgets. Typically, the cable is RS485 compatible.

The connection of the drive to the lift's control panel is simple; three connections are required for slow speed, fast speed, and brake operation. The drive and the control panel are also connected by a single electronic earth.

The drive connects a single-phase 220V electrical power source to a single-phase electrical motor. The drive functions as an electrical switch that regulates the power supply to the machine in order to attain various speeds. The drive alters the frequency and voltage of the electrical machine's power source, increasing the torque at motor starts. The enhanced load capacity and adjusted torque offer the motor an added edge at start-up.



    

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