A new double single-ended forward arc welding power inverter with IGBT as power device and current PWM controller is introduced in this paper.
提出了一种新型的双重单端正激式弧焊逆变电源,采用IGBT为开关器件,引入了电流型脉宽调制控制器。
It is clear that the traditional single-ended forward converter is difficult to adapt to the trend, so, it is necessary to find a novel topology.
很显然,传统的单端正激变换器很难适应这一发展趋势,因此,必须找到一种新型的拓扑结构。
But, despite its merits, the traditional single-ended forward converter has some shortcomings, such as simple circuit, low parts count, low output ripple, etc, it also has some shortcomings.
尽管传统的单端正激变换器有诸多优点,如电路结构简单、元件数量少、输出纹波小等,但是也有其缺点。
Application of a new lossless clamp circuit for single ended forward converter is introduced, the operation principle of this circuit is analyzed in detail, and the experiment result is also given.
介绍了一种新型无损箝位电路在单端正激电源中的应用,详细分析了工作原理,并给出了实验结果。
A little before the progress was ended, the Duke was obliged to ride forward, and make remonstrance.
出巡将近结束的时候,公爵不得不骑马上前,作出提醒。
Star forward Jong Tae se dropped to his knees as the game ended. He said he was upset they had made so many errors and apologized to his nation for failing to fulfill its World Cup hopes.
前锋主力郑大世在球赛结束时双膝跪下,他说他非常失望,犯下太多错误,他因无法为祖国完成世界杯梦想向祖国谢罪,一向说话很多的他不久从另一个出口溜出场外。
“I look forward to seeing all of you this summer,” Mr Jobs ended his latest letter to his firm's employees.
“我希望夏天回来的时候和大家再会。”乔布斯致公司员工的最后一封信中这样收尾。
A campaign has ended, and the United States of America goes forward with confidence and faith.
选举已经结束,美利坚合众国将充满自信地前进。
The campaign has ended, and the United States of America goes forward with confidence and faith.
选举已经结束,美国将充满自信地前进。
Thus the forward-thinking decision to add female police officers ended up saving the lives of backward-thinking men who beat women.
也就是说,增加女警员这个有先见之明的决定,到头来拯救了殴打妇女的后进男性的生命。
Dare to ask questions about us, put forward, open-ended questions, afraid of the questioner in mind.
提出问题,敢于提问,善于提问,害怕提问者牢记。
The war was ended and we looked forward to the dawn of much happier days.
大战结束了,我们盼望着更加美好日子的来临。
Reds forward William Keane hit a post, as did Barnsley in a half that ended 0-0 but should have seen United take advantage of superior chances.
曼联前锋威廉。基恩也射中过立柱。虽然上半时是0-0,但曼联占据了较大的优势。
The war ended and we looked forward to the dawn of happier days.
大战结束了,我们盼望较幸福日子的来临。
A campaign have ended, and the United States of America goes forward with confidence and faith.
选举已经结束,美利坚合众国将充满自信地前进。
The campaign has ended, and the United States of America goes forward with confidencefaith.
选举已经结束,美利坚合众国将充满自信地前进。
The campaign has ended, and the United States of America goes forward with confidencefaith.
选举已经结束,美利坚合众国将充满自信地前进。
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