The neutral voltage of the three-phase four-leg inverter employed in UPS is desired to be very low.
当三相四桥臂逆变器用于UPS时，要求其中线电压很低。
A novel space vector control strategy is proposed for four-leg three-level shunt active power filter (APF).
提出一种新型的四桥臂三电平并联有源电力滤波器(APF)的空间矢量控制策略。
Three-phase four-leg inverter is used in the inverter link to improve the adaptability of the system because loads in distributed generator are uncertain.
针对分布式发电系统负载的不确定性，为提高系统的适应性，文中在逆变环节采用四桥臂逆变器。
A discrete and nonlinear mathematical model of three-phase four-leg inverter is built up with the switch state functions based on the analysis of its working modes.
在分析三相四桥臂逆变器工作模态的基础上，引入开关状态函数建立了四桥臂逆变器系统离散的、非线性的数学模型。
Moreover, the voltage utilization ratio of the inverter with 3D-SVPWM is analyzed, and the simulated results of the four-leg inverter with the four above-mentioned methods are compared.
文中还分析了采用三维SVPWM时逆变器的电压利用率，给出了基于所提算法和其它3种调制方法的四桥臂逆变器仿真结果。
The PWM control strategy with 3-th harmonic in addition is presented for four-leg three-phase inverter, the inverter can deal with unbalanced load and has a high utilization of dc bus voltage.
本文将三次谐波注入的PWM控制方案应用到四桥臂三相逆变器中，可以带非对称负载且具有较高的电压利用率。
Spiders have eight eyes, four pairs of legs, and can grow a new leg if they lose one.
蜘蛛有8只眼睛，4对腿，如果它们失去一条腿，还能再长出一条新的腿。
The leg visible to the researchers was bent at the knee, possessing four anklebones but no foot or toe bones.
研究人看到腿在膝盖那里是弯曲的，有四个踝骨，但是没有脚或者脚趾骨。
Her broken leg had completely healed after three weeks, the National Journal said. After four months of rehabilitation, the Wolf was released back to the wild.
三个星期后它的断腿就完全康复了，再经过四个月的恢复之后，工作人员终于让它重新回到大自然的怀抱。
Grip strength and single leg balance are two of four markers for physical ability examined by researchers from the Medical research Council's unit for lifelong health and ageing.
握力和单腿平衡两种四个由医学研究委员会的终身健康和老龄化研究单位的研究人员体能指标。
Below is how I spent four of those days, biking anywhere from 15 to 40 miles a day and making it back to my base well before any leg cramps set in.
以下写的是我如何度过其中四天的，一天骑行15到40英里去任意地方，并赶在腿要抽筋之前回到我的基地。
The controversial first leg in Madrid on April 27 was the second of four "El Clasico" clashes between the two clubs in 18 days.
4月27日在马德里进行的充满争议的比赛，是18天内四场西班牙国家德比的第二场（注：应为第三场）。
When she was four years old she had double pneumonia and scarlet fever - a deadly combination that left her with a paralyzed and useless left leg. She had to wear an iron leg brace.
四岁的时候，她染上了严重的肺炎并伴随高烧，严重的并发症使她的左腿瘫痪，让她不得不使用铁制义肢支撑身体。
In an early study on leg ulcers, scientists found that after four weeks, the number of people with completely healed ulcers was five times higher in patients who got the gel against those who didn't.
在对患有腿部溃疡的病人的早期研究表明，在使用Nexagon四周后完全治愈者的数量是不使用Nexagon的数量的五倍。
Because of how nested loop joins work, the second leg (there are four nodes) is executed per outer table record.
因为嵌套循环联接的工作方式，所以每隔一个外部表记录执行第二步(共4个节点)。
After defeating a Malaysian XI 3-2 and 2-0 in Kuala Lumpur, United have moved on to South Korea for the third leg of their four-match tour.
在吉隆坡分别以3 - 2和2 -0击败马来西亚联队之后，曼联已经飞赴韩国，准备参加4场比赛中的第3场。
This four leg wooden stand has a wide, 24 in. spread at the base for maximum stability.
这四个站的木制立场有著广泛的，24英寸蔓延的基础上最大的稳定。
This paper presents a decoupled control scheme for three?phase four?leg inverter through an inner current regulator based on space vector cascaded with an outer synchronous frame PI controller.
该文提出了一种采用内环空间矢量电流调节器和外环同步坐标比例积分控制器相级联的三相四桥臂逆变器的控制方案，实现了对三相四桥臂逆变器的解耦控制。
Can you cut off a leg from a cow and expect it to grow four more legs?
你能砍掉牛的一条腿，然后期待他再长出四条腿吗？
I particularly want to apologize to Chris Matthews. Four years ago, I gave him a thrill up his leg — this time around I gave him a stroke.
我特别想向马修说声抱歉，四年前我给他打了鸡血，这一次我差点让他中风。
A horse stumble that have four leg.
马有四足尚漏蹄。
About four years ago a women crashed into me on the ski slopes, a searing pain shot down my left leg.
大约在四年前，一名妇女在滑雪的斜坡上撞了我，我的左腿就开始痛了，断断续续去做了三年的理疗和按摩。
With the success rate of the first four techniques to descending order as follows:pressure neck buckle legs, neck do not clip leg, arm hand different, clip neck over back;
成功率降序排序的前四位技术为：压颈扣腿、夹颈别腿、夹臂手别、夹颈过背；
Japan is the second leg of his four-nation Asian tour, which has taken him to South Korea and also includes Mongolia and Myanmar.
日本是他亚洲四国访问的第二站。他还将出访韩国，蒙古和缅甸。
During the turn, the horse moves around a point whereby the inner hind leg remains close to that point while stepping around the point in a clear four-beat rhythm.
在回旋时，马体环绕著一个定点运动，内方后肢维持靠近这个定点，以清楚的四节拍踏进。
During the turn, the horse moves around a point whereby the inner hind leg remains close to that point while stepping around the point in a clear four-beat rhythm.
在回旋时，马体环绕著一个定点运动，内方后肢维持靠近这个定点，以清楚的四节拍踏进。
应用推荐