Three-phase Ac Reactor

AC Reactors is a widely used device in power systems, mainly used to limit current changes, smooth power supply voltage, reduce harmonic effects, etc.

Three-phase AC reactors, also called inductors, have a battery induction effect in the circuit, so they have a certain inductance and can play a role in limiting current changes. It is widely used in power systems, and common ones are series reactors and shunt reactors. Series reactors are mainly used to limit short-circuit currents, and are also connected in series or in parallel with capacitors in filters to limit high-order harmonics in the power grid. Shunt reactors are often used to absorb the charging capacitive reactive power of cable lines, and to adjust the operating voltage by adjusting their number.

Specifically, the three-phase incoming line reactor in the three-phase AC reactor is mainly used to suppress surges and peak currents, smooth the spike pulses in the power supply voltage or the voltage sag generated when the bridge rectifier circuit is commutated, so as to reduce the impact of harmonics on the inverter and power supply. The main function of the three-phase AC output reactor is to compensate for the influence of long-line distributed capacitance, suppress the harmonics output by the inverter, protect the power switching devices inside the inverter, and reduce motor noise and eddy current loss, thereby extending the life of the motor.

In addition, the three-phase AC reactor has many advantages, such as the use of high-quality materials and advanced technology, low operating temperature rise, low noise, strong overload capacity, etc., and can maintain reliable performance under harsh working conditions.

In summary, the three-phase AC reactor is an indispensable and important equipment in the power system, which is of great significance to ensure the safe and stable operation of the power system.