| 1. | Discussion of the control method of circuit topology of zct - pwm converter 功率变换电路控制方式的讨论 |
| 2. | Transformers and inductors in electronic power conversion equipment 电子功率变换设备中的变压器和感应线圈 |
| 3. | Research on the new power converter technique used in modern communication power supplies 功率变换新技术在现代通信电源设计中的应用 |
| 4. | The traditional power amplifier circuits ( most of them have ocl structure ) are low - efficient and bulky ones 目前,高保真度的功率变换电路多采用甲乙类ocl功放电路,这类电源效率低、体积重。 |
| 5. | The research of direct ac / ac converters derived from dc - dc topologies by using bi - directional power devices is a hotspot in recent years 基于dc - dc拓扑、通过双向化功率开关实现直接ac / ac变换,是近年来ac / ac功率变换技术研究的热点。 |
| 6. | With rapid development of power electronic technology , a highly efficient power conversion technology , the problem of harmonic pollution is more and more serious 随着电力电子装置这种高效的功率变换技术得到日益广泛的应用,电网的谐波污染问题也越来越严重。 |
| 7. | High frequency soft - switching conversion is an important subject of power electronics . it is a powerful approach of minimization of size and weight for power supplies 高频软开关技术是电力电子学的一个重要的研究方向,是实现功率变换装置小型化,模块化的基础。 |
| 8. | The simulation results prove that the pdm control theory can be fit for the high frequency ac link power conversion distribution system , especially be suitable for the electric driver system of the electric vehicle in the future 仿真结果表明,本文提出的这种高频交流脉冲密度调制技术适用于高频交流环节功率变换分布系统,特别适合于作未来电动汽车的高频交流驱动系统。 |
| 9. | The development of microprocessor provides a new method for switching mode power supply control - digital control . digital control has many advantages such as repeatability , durability , adaptability and so on 微电子集成技术的发展为电力电子控制技术提供了新的思路,由六十年代的分立元件发展到后来的集成电路、大规模集成电路、微处理器等,为功率变换的控制带来了极大的方便。 |
| 10. | The single - stage isolated inverters can fulfill all the functions of two - stage inverters in one stage , including dc / ac inverter , voltage adjustment and electrical isolation . thus , the circuit structure and the control schemes can be simplified , with resultant high reliability and reduced cost 单级式隔离逆变技术只需一级功率变换就可完成传统两级逆变电路的全部功能包括dc / ac逆变、电压调整及电气隔离。 |