Vfd Electric Motor Control
The term refers specifically to electronic drives.
Vfd electric motor control. Teco variable frequency drive 1 hp 115 volts 1 phase input 230 volts 3 phase output l510 101 h1 vfd inverter for ac motor control 4 6 out of 5 stars 32 200 00 200. One component defines the magnetic flux of the motor the other the torque. A vfd control system consist on an ac control panel housing the vfd and any associated motor control or circuit protection devices in an enclosure protecting them from electrical shocks fires moisture corrosion dust and other conditions. Motor control centers mcc motor contol center mcc buckets.
Our line of variable frequency drives vfd control electric motors by varying their voltage and frequency during operation. Other names for a vfd are variable speed drive adjustable speed drive adjustable frequency drive ac drive microdrive and inverter. A vfd is a variable frequency drive. Frequency or hertz is directly related to the motor s speed rpms.
The most common nema ratings for vfd control panel enclosures are nema 12 nema 3r and nema 4x. The control system of the drive calculates the corresponding. The ac electric motor used in a vfd system is usually a three phase induction motor some types of single phase motors or synchronous motors can be advantageous in some situations but. It offers powerful control solutions with exceptional speed control and torque response which provides superior vector performance.
Need for variable speed drives before going into the details of variable frequency drive system let us take a look at the need for variable speed operation of an electric motor. 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. Worldwide fse has earned a strong reputation for providing well engineered reliable and cost effective vfd sync bypass switchgear soft starters programmable logic controllers motor control and technical products and services. Vector control also called field oriented control foc is a variable frequency drive vfd control method in which the stator currents of a three phase ac electric motor are identified as two orthogonal components that can be visualized with a vector.
In actual everyday usage it s most commonly used in the context of electric ac or dc drives. Keypads parameter units. Variable frequency drive vfd is a technique often used to achieve the adjustable speed drive of ac motors to control its speed as well as torque. Ac motor main drive controller assembly and drive operator interface.
The hyundai n700e series high performance drive we offer is very easy and efficient to use. A variable frequency drive is a device used in a drive system consisting of the following three main sub systems.