HY669 AC Line Reactor with Sine Wave Filter for Frequency Inverter
The HY669 integrated AC line reactor with sine wave filter is purpose-built for frequency inverters, combining harmonic suppression and waveform conditioning in one compact unit to safeguard drives, motors and power networks.
Input Side Functionality
On the input side, it acts as a high-performance line reactor with the following benefits:
Limits inrush current and dampens voltage spikes
Filters grid harmonics and stabilizes power quality
Protects inverter rectifiers from electrical stress
Improves power factor and reduces interference
Ensures stable inverter operation
Output Side Functionality
On the output side, its built-in sine wave filter converts sharp PWM pulses into smooth sinusoidal voltage, providing these advantages:
Effectively suppresses dv/dt surges and reflected wave overvoltage
Lowers motor noise, vibration and eddy-current loss
Eases winding insulation stress
Reduces bearing current damage
Extends motor service life
Construction & Applications
Constructed with high-grade magnetic cores and oxygen-free copper windings, the HY669 features low loss, low heat generation, stable impedance and strong overload capacity. With robust insulation, compact layout and simple wiring, it is maintenance-free and ideal for various industrial applications including:
Fans and pumps
Conveyors
Machine tools
Other industrial drive systems
This integrated solution enhances system reliability, reduces downtime, supports long-cable installations, and complies with EMC standards.