Application And Research Of Dynamic Reactive Power Compensation Device In A Metallurgical Material Company

The large mill metallurgical industry belongs to the typical impact load during the rolling process of active power and reactive power are not fixed, often is changing with time and condition change, the power factor is low in the early stage of rolling, rolling high and stable. In the process of rolling production, the impact on the power grid can be caused by voltage fluctuation. For the main drive and auxiliary transmission adopts DC motor with rectifier power supply device, a large number of harmonic will be generated at run time(5, 7, with typical harmonic 11, 13 tim es) caused by power waveform distortion, power quality decline of safe and stable operation of the mill itself and other equipment constitutes a potential threat.The main power of a Xixi a metallurgical material company by Xixia 110 kV substation 10 kV, 10 k V rolling rolling two circuit breaker transmission of power, in the process of operation found rolling breaker continuously produce noise and vibration. Due to the presence of harmonics, the capacitor fuses often fuse(capacitor capacity and the maximum current of the insured to meet the operating requirements). In order to solve this problem, Xixia power supply company Xixia a metallurgical materials company to reform compensation device, the use of static reactive power compensation device, to improve power quality, improve power factor, reduce electricity costs to.