Do you need a line reactor for VFD?
Line reactors come highly recommended by many engineers, and when compared to the price of your motor they are inexpensive and easy to install. Line reactors not only protect your VFD but also protect your motor from disturbances such as transient, voltage spikes and surges.
When would you use a load reactor on a VFD?
For any motor, if the distance is between 300 to 500 ft., a load reactor should be used. If the distance is over 500 ft. then a special type of filter called a dV/dt filter (low-pass filter) should be used. to ramp up higher, limited by the load or motor inductance.
What is VFD line reactor?
A line reactor is an optional component that can be added to a drive system to protect the VFD and other devices from power surges and transients. A line reactor is essentially an inductor—a coil of wire that forms a magnetic field as current flows through it.
What does a 3 phase reactor do?
Three-phase line or motor reactors for power converters (intended for the attenuation of notches and spikes as well as reduction of harmonics and limitation of inrush currents in power converters and motor drives).
What is a VFD line reactor?
What is a 3% line reactor?
3% Impedance Line Reactor for the use of reducing input line distortion in Variable Frequency Drives helping to prevent damage to the components of the drive. Reduces input line distortion. Eliminates transient and overvoltage nuisance tripping. Provides excellent harmonic mitigation without adding capacitance.
Where do I put my line reactor?
Installing a line reactor on the input side of the VFD ensures protection to the drive but line reactors also have the capacity to be installed on the output side of the drive blocking potential incoming background line voltage harmonics.
Why line choke is used?
To protect thyristor form high transient current, because an inductance does not allow sudden change in current. All the semiconductors are having some tolerance to stand high transient current but beyond the limit which leads to semiconductor failure.
What is reactor sizing?
By sizing a chemical reactor we mean we’re either detering the reactor volume to achieve a given conversion or determine the conversion that can be achieved in a given reactor type and size.