| 1. | Ac voltage loop : 1 . 2 times of rated voltage , able to continue working without any limit 交流电流回路1 . 2倍额定电流连续工作 |
| 2. | Because of high stability , the voltage loop gain is set high , so the static error is very small and dynamic performance is enhanced 由于内环的高度稳定性,所以电压环的增益可做得很高,使系统的静态误差非常小且动态性能得到了提高。 |
| 3. | The instantaneous voltage inner loop is used to control output voltage waveform to track a sinusoidal waveform . and the outer average voltage loop guarantees accuracy of output voltage 电压瞬时值内环保证输出电压波形的正弦度,平均值外环实现对输出电压幅值的控制。 |
| 4. | The asi parallel system in this thesis is presented based on common voltage loop control . the system is made up of five paralleled modules based on high - frequency zero - voltage - switch 1kva asi 本文采用公用电压外环方案,实现了五台1kva基于高频零电压软开关航空静止变流器模块的并联输出。 |
| 5. | Each module is controlled by voltage - current two closed - loops . the common voltage loop controls system output voltage & frequency , and generates a common reference current signal 每台航空静止变流器模块均为电压、电流双环控制,通过公用电压调节器稳定并联系统的输出电压及频率,同时产生统一的模块电流给定信号。 |
| 6. | In order to get good dynamic as well as static performance , multiple - loop control strategy with the instantaneous outer voltage loop and inner current loop is used in pfc converter based on dsp tms320lf2407a 内环通过瞬时值控制获得快速的动态性能,保证输出畸变率较低,外环使用输出电压的瞬时值控制,具有较高的输出精度。 |
| 7. | Secondly , through establishing the small - signal model , the voltage loop and the current loop are designed . the effect of the loop parameters , varieties of frequency and rms to the system are analyzed 通过逆变系统的小信号建模,设计了闭环参数,并详细分析闭环参数、频率和电压变化对系统的影响,前后级阻抗的匹配关系。 |
| 8. | Arming at the shortages of traditional control mode , voltage loop control strategy is analyzed the simulation conclusion indicates that voltage compensation strategy , detecting method and control mode are correct and effective 针对传统开环控制方式的不足,分析了电压环控制策略。仿真结果表明,本文采用的电压补偿策略、检测方法和控制策略是正确、有效的。 |
| 9. | Thirdly , the paper detailedly explained the whole system ’ s hardware structure based on dsp , and made the flow chart of the software which realized the pwm occur , the current control loop and the voltage loop 然后给出了基于dsp的全数字式6kw三相应急电源的硬件实现方法,结合设计出来的硬件,编制了基本的dsp底层程序流程。在程序中实现模拟量采样, pwm产生,电压控制环和电流控制环等功能。 |
| 10. | This scheme is applied to solve the problems of the previous analog scheme of voltage loop control in the inverter , namely the output voltage of the inverter failed off clearly when the inverter was fully loaded and the dynamic response of the inverter was slow in light - load state 此方案很好地解决了车载逆变电源原有的模拟电压单环反馈控制方法存在的缺陷,即输出电压在逆变电源从空载加到满载的情况下电压跌落明显,且在轻载时动态响应较慢的问题。 |