1、

Expert system for switching order and application of n-1 safety analysis in Hunan power system

调度操作票专家系统及N-1安全分析在湖南电网中的应用

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2、

In this prescaler, no glitch generate at switching, due to the change of switching order. And nor gate is introduced in phase-switching-control circuit to avoid the generation of extra pulse completely.

本预分频器通过改变相位切换电路中的切换顺序,完全避免了切换产生的错误毛刺的产生;切换控制电路中采用或非门产生相位切换控制信号,有效防止了多余脉冲的产生。

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3、

Power devices of inverter must be controlled in the zero level of DC pulse voltage. It not only meets certain switching rule, but also changes switching state in order to realize zero voltage switching.

逆变器功率管为实现零电压开关,除了要满足一定的开关规律外,还必须控制在直流脉冲波形的过零处改变开关状态。

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4、

In order to reduce the loss of the main switching power supply, improve the efficiency of main power supply, the power uses MOSFET Phase-shifted Full-bridge Zero-voltage and Zero-current Soft Switching Technique, by simulating application of Full-bridge Zero-voltage Soft Switch, verify the rationality of design.

为减小主开关电源的损耗,提高主电源的效率,对电源采用了MOSFET的移相全桥零电压软开关技术,并对全桥零电压软开关的应用做了仿真,验证了设计的合理性。

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5、

According to the phase trajectory of along-track drift, the switching function with the oblique lines was designed in order to converge the initial errors, and the limit cycle was analyzed correspondingly.

分析了构形沿航迹漂移的相轨迹,针对单开关门限控制律不能对初始误差收敛的问题,设计了倾斜开关曲线控制,并分析了相应的极限环参数。

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6、

In order to capture the investors'different risk preference in different market conditions, this paper introduces a switching risk measure.

为了刻画投资者在股市牛熊阶段的不同风险偏好,本文引入了转换风险度量的风险度量方式。

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7、

In this method, amplitude and time width are adopted as dual criteria to evaluate error voltages in order to improve reliability and robustness by eliminating effects of swiching delay and dead time. Detection time of error voltage based method is reduced within a couple of switching periods.

该方法对误差电压的幅值及时间宽度进行双重判断,消除了功率管开关延时和死区的影响,提高了诊断方法的可靠性和鲁棒性,并且诊断时间在几个开关周期以内。

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8、

There are a couple steps you need to take in order to start switching focuses.

想要”聚焦过程“你有几个步骤要走。

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9、

the bootstrap loader reads the kernel into memory and passes the control to it in order to finish the switching to protected mode as well as the set of interrupts.

引导程序将内核读取至内存并启动,完成了向保护模式的切换以及中断的设置。

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10、

in order to search for the optimizing solutions of tool switching problem effectively, a beam search based heuristic algorithm is put forward for formulating heuristic solution space of the problem.

为了有效地搜索到刀具交换问题的优化解,本文提出了基于定向搜索的启发式算法的求解方法。

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11、

in order to meet the requirement of switching mid-high frequency application in the fields of medical instrument and welder marketing, mitsubishi electric developed nfm series igbt module.

针对医疗仪器和电焊机等市场领域对中高频开关应用的需求,三菱电机开发了NFM系列中高频IGBT模块。

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12、

Both let users hail a taxi or order a pizza without switching to another app.

两者的用户都无须切换到其他应用,就可以叫一辆出租车或者一份披萨。

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13、

To reduce the switching losses of IGBTs in PWM rectifier, a third order square wave is added to the phase voltage control signal on the basis of the Improved Period Average Model. This new control algorithm leads to no switching in about 1/ 3 cycle.

为降低PWM整流器的开关频率,本文在整流器的改进周期平均模型基础上,在相电压控制信号中叠加三次方波信号,使得整流器中的开关管有1/3时间不动作。

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14、

The Characteristics of high order, multi operating mode, running frequency uncertainty rooted in soft-switched circuit system limits the application of fixed time discrete mapping modeling method, which is suitable for hard switching circuit system, to the soft-switched circuit system.

软开关电力电子线路存在的高阶、多模态、工作频率负载依赖等特性限制了适用于硬开关电路的基于固定周期的离散时间映射建模方法在软开关电路中的应用。

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