Low-interference valley filling circuit

• Main Authors: JIN TIAN, MA HUACHAO, LU HANXI, WANG MENG
• Format: Patent
• Language: Chinese; English
• Published: 08.03.2024
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention provides a low-interference valley-fill circuit, aiming at the problem of electromagnetic interference of the valley-fill circuit, a safety capacitor is connected in parallel to each of a charging diode and a discharging diode to suppress the electromagnetic interference. The circuit is simple and low in cost, and can enable the intelligent power distribution and utilization terminal to reduce line loss on site, reduce harmonic pollution of a power grid, improve power supply quality of the power grid and meet construction requirements of a robust intelligent power grid. 本发明提出一种低干扰的填谷电路，针对填谷电路的电磁干扰问题，在充、放电二极管上分别并联一只安规电容抑制电磁干扰。该电路简单，成本较低，能够使智能配用电终端在现场降低线路损耗，减少电网的谐波污染，提高电网的供电质量，满足健壮性智能电网的建设要求。