| 1. | This control strategy makes the parallel inverters system synchronize well . output current - limiting is an important measure to guarantee normal operation of inverter
由于逆变电源的自身特点，逆变电源的输出限流，是保证系统正常可靠工作的重要措施。 |
| 2. | Through the analysis of different operating states , it is pointed out that a capacitive quasi - resonant state is a safe and efficient working condition for a parallel inverter
通过对并联型谐振逆变器各种工作状态的分析，得出其必须工作在容性近谐振状态下才是安全可靠的结论。 |
| 3. | Parallel inverters can expand capacity and realize redundancy in power supply system , so they are now considered as one of the most important part in the field of inverter technology
多台逆变器并联可实现大容量供电和冗余供电，因而被公认为当今逆变技术发展的重要方向之一。 |
| 4. | This paper analyzes the high - frequency ( mhz ) multi - devices parallel inverter , and presents some useful results of simulation and experiment . firstly , series resonant inverter is selected by comparing two inverter circuits
本文主要针对频率为mhz情况下采用功率mosfet为主器件的多管并联逆变电源进行了理论分析、仿真和实验研究。 |
| 5. | Abstract : a new kind of variable frequency speed - governing experiment system which has the structure of two parallel inverters at dc bus and output of inverter driving two series asynchronous motors at the same shaft is presented in this paper
文摘:提出了一种双逆变器直流母线并联、变频输出驱动同轴串联的两台异步电动机结构的新型变频调速实验系统。 |
| 6. | The load character and control object for a parallel inverter is analyzed , the conclusion that series and parallel resonant circuit are two antithetic circuits is pointed out , this provides a theoretical guide to the control circuit design for these two inverters
分析了并联谐振逆变器的负载特性及控制目标，指出串并联谐振逆变电路是两种对偶电路，为这两种逆变器控制电路的设计提供了理论指导。 |
| 7. | How the parallel inverters share the output power is analyzed and a completely different conclusion is got that the output active power ' s difference and passive power ' s difference of two parallel inverters are relative to both the output voltage amplitude ' s difference and output voltage phase ' s difference of the two parallel inverters
接着对并联逆变器的功率均分进行了建模分析、仿真分析和实验验证，得出一个同以往不同的结论：两台逆变器输出的有功功率差和无功功率差与输出电压的相位差和幅值差都有关系。 |
| 8. | This task is based on mosfet multidevices parallel inverter on hf ( lmhz - 2 . 5 mhz ) . it ' s very necessary to design the drive circuit and discuss problems that maybe occur on hf . this provides some experience for the designing and debugging of electrical source , reduce the cost and advancing efficiency
本课题就是基于这种需要，研究背景选定为高频( 1mhz 2 . 5mhz )情况下采用功率mosfet为主器件的多管并联逆变电源，因此高频情况下的功率mosfet的驱动电路以及在并联时出现的问题成为主要的研究对象，这些为以后电源装置的设计调试、减少器件成本及提高工作效率提供良好的前期准备。 |
| 9. | The parallel inverters can expand the capacity so that they greatly improve the power system ' s flexibility and thus the system ' s volume and weight are remarkably reduced . the current stress of the power switch is considerably lessened which means higher reliability , lower cost and higher power density
多台逆变器并联实现扩容可大大提高系统的灵活性，使电源系统的体积重量大为降低，同时其主开关器件的电流应力也可大大减少，从根本上提高可靠性、降低成本和提高功率密度。 |
| 10. | A zero - voltage starting method is brought forward which switch the starting from separate exciting to self - exciting successfully ; pll ( phase lock loop ) technology is employed to realize the frequency tracing and constant phase angle control ; igbt driving and protective circuit suitable for parallel inverter is developed , which successfully solve the problem of time compensating and overlapping regulation for the driving signals ; a novel and practical over - voltage protective method for parallel inverters is presented which effectively avoid the possible over - voltage destroy to the inverter . xu haiwen ( power electronics and electric driving ) directed by senior engineer peng yonglong
提出了一种零压启动的他激转自激方法；通过采用锁相环技术实现了逆变器工作频率的自动跟踪和容性逆变角度的恒值控制；设计了适用于并联谐振型逆变器的igbt驱动与保护电路，解决了驱动信号的时间补偿以及重叠角的可调问题；提出了一种新颖、实用的逆变器过压保护方法，有效地解决了并联型谐振逆变器过压保护这一难题。 |
