逆變器單元 的英文怎麼說
中文拼音 [nìbiànqìdānyuán]
逆變器單元
英文
inverter unit-
And it requires few power and can continually change its state which is reversible. it is a kind of ideal control device to implement semi - active control. the technology correlated to mr is gradually set store by people, and it is gradually applied to practical project from theoretical research in lab
用磁流變液製作的阻尼器裝置簡單、體積小、能耗小、可連續可逆變化，是實現半主動控制的理想控制元件，其相關技術越來越受到人們的重視，並且由實驗室研究階段逐步走向應用研究階段。As a result of employing multilevel phase - shifted method with zig zag connection in transformer secondary, in the primary the current harmonics their orders are lower than 6m 1 are eliminated ( m is the number of power cell each phase ). in the inverter side because of using pulse shifting pwm control, the equivalent switch frequency of output is m times as high as one h - bridge, so the output voltage waveform of the inverter is near sine with less harmonics
對于整流電路，由於採用變壓器移相多重化整流，在理論上可以實現曲折變壓器一次繞組中低於6m 1次諧波電流相互抵消（ m為串聯單元個數） ；對于逆變電路，由於採用移相pwm控制方式，等效開關頻率提高m倍，因此輸出電壓接近正弦波，諧波含量較小。For the teaching the hardware pwm inverter is designed, including the choice of power module, filter tache, auxiliary power supply, brake unit and protection circuits. in addition data sampling system is contrived with encoder and current / voltage sensors. the control circuit with tms320f240 for the core is presented at last. the circuit includes memory extension, d / a converter digital i / o interface and the interface of the serial port. the way of space vector pwm realization is briefly introduced in this paper
接著，設計了pwm電壓型逆變器，其中包括主迴路功率模塊與濾波環節、控制電源、制動單元及保護電路設計。另外還利用霍爾元件與編碼器設計出數據採集系統。最後，給出了基於tms320f240的最小系統，包括存儲器擴展、串口擴展、數字i o介面以及空間矢量pwm的實現。A novel modulation method for cascaded multicell inverter with separated dc sources is presented in this paper to balance the unequal power distribution among different invert cells
摘要針對帶獨立直流源的級聯型多電平逆變器各逆變單元間應力分配不均衡提出了一種新的調制方法。6 ) after incomplete phase transformation in the tini thin film, two reverse transformations occur on the second heating, but it returns back to one reverse transformation again on the third heating. therefore, the incomplete phase transformation has no effect on the property of micro - actuator using tini thin film
不完全相變導致z薄膜第二次加熱出觀嘆逆相變，但第三次逆相變又重新恢復為單一逆相變轉變，因此對于tint薄膜微驅動器元件來講，可以不考慮不完全相變對微驅動器元件性能的影響。Controlling the sequence and working time of the switching status of every invert cell is an easy way to avoid unbalanced power distribution among invert cells, so that the whole system can work more stably in general
通過控制各逆變單元開關的導通順序和導通時間改善各逆變單元間應力分配不均衡，使整個逆變器工作更穩定。The mathematical model of the single - phase full - bridge inverter is mentioned, and then the efficacy of pid control, deadbeat control, repetitive control, fuzzy control together with neural networks control for the ups inverter is compared. the pid control and repetitive control for the ups inverter are mainly focused. finally, a control scheme which requires ordinary hardware, with good robustness and high dynamic response is presented
在分析單相全橋逆變器數學模型的基礎上，比較數字pid控制、無差拍控制、重復控制、模糊控制以及神經網路元控制等多種控制方法的優劣；重點研究ups逆變器的數字pid控制和重復控制，最後提出一種對硬體設備要求低、魯棒性好、動態響應快的ups逆變器控制方案。Push - pull current mode hfl inverter also is composed of four power switches. the simulation and experiment of a 500va experimental prototype indicates that this circuit has the advantages of less components, simple topology, the ability of four quadrant operation and high efficiency. the inverter does not need the symmetry of the components " parameters and can be applied to dc to ac conversion with single low input voltage source
推挽雙向電流源高頻鏈逆變電路也是由四個功率管組成， 500va的原理樣機的模擬和實驗研究結果表明，該電路元器件少、電路拓撲簡單、能夠四象限可靠運行、變換效率高，並不要求器件參數的完全對稱，適合於輸入電壓較低的場合。分享友人