• A calculation method of deriving the reactance voltage of multi-oil ducts cylindric winding is introduced by using relative magnetic leakage method. And the calculation examples are given here.

    介绍了一种用相对漏磁法推导几种多油道圆筒式绕组的电抗电压的计算方法,并给出了计算实例。

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  • Secondly, a kind of power supply, which has a mixed cascade topological structure and can realize multi-way voltage output is designed, whose basic thought is to convert the voltage after stabling it.

    其次,研究并设计了一种混合级联型拓扑结构,实现多路电压输出,基本思想是先稳压再变换。

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  • To meet the low input voltage condition, a multi-period double-ended supplied low voltage BOOST system control scheme was proposed.

    论文首先针对低压输入的条件,提出了一个分阶段双端切换供电的低压Boost系统方案。

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  • In order to make calculation of the lightning protection on ultra high voltage (UHV) line, a new tower model, namely multi-wave impedance model was constructed.

    为了超高压输电线路防雷计算的需要,建立了新的杆塔模型,即多波阻抗模型。

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  • The machine can perform two-wire, three-wire and multi-wire parallel winding or flat copper wire winding to completely resolve the mechanical winding of voltage transformer secondary coils.

    该机可进行双线、三线多线并绕或扁铜线绕制,使电压互感器二次线圈采用机械绕制的问题得到彻底解决。

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  • The characteristics of transformer with multi magnetic circuits and its output ability and over voltage depression were introduced.

    介绍了多磁路变压器的工作特点、输出能力和过电压的抑制。

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  • To reduce the inductor and the phase displacement between the input current and the input voltage simultaneously, Multi-level (ML) converters are adopted as the PFC topologies in this thesis.

    为了同时减小电感和输入电流与输入电压间的相位差,本文提出采用多电平变换器作为PFC变换器的拓扑。

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  • It sets the voltage feedback parameter directly according to the regulation precision for steady state while realizes the multi-variable coordinated optimization control.

    既根据稳态调节精度的要求设定电压反馈系数,又实现了多变量协调优化控制。

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  • The trend of modern voltage converter is multi-function, integration, and miniaturization.

    现代电压变换器的发展趋势是多功能、集成化、小型化。

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  • The application of domestic Multi-level High voltage inverters in Hainan Danzhou's 100,000 Ton level Water Factory is introduced in this paper, and the energy-saving effect is also shown here.

    本文着重介绍国产多电平型高压变频器在海南儋州那大十万吨水厂的应用情况,对其节电情况进行对比。

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  • For studying on dynamic reactive power optimization, a two-phase optimization method of multi-period reactive power and voltage control is proposed to confine the action times of control devices.

    针对动态无功优化方法研究,本文提出了一种多时段无功电压控制的两阶段优化方法。

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  • Wavelet multi-resolution analysis method was used to detect de-noising disturbance signal, character values of the transient voltage disturbance signal were extracted more precisely.

    利用小波多分辨率分析方法对去噪后的扰动信号进行检测,更精确地提取出了暂态电压扰动信号的特征值。

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  • The multi-level voltage reinjection concept makes it possible for a converter to provide acceptable harmonic reduction with fewer switching components than the conventional multi-level schemes.

    与传统的多级方案相比多级电压注入的优点在于它使用相对较少的开关元件达到消除谐波的目的。

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  • The paper gives the current and voltage waveforms of multi GTO devices at turn-off, analyzes and compares the waveforms of gate current and voltage.

    给出了多个GTO元件关断时的电流、电压波形。 并对其门极电流、电压波形进行了分析和比较。

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  • In this control law multi-object function is created, which enables a voltage-source type inverter to produce a near standard sine wave with a minimum switching loss.

    在这种新的逆变器开关控制策略中建立多目标优化函数,既使得电压型逆变电路输出电流波形总谐波畸变率尽量小,同时又能减小逆变过程的电力电子开关损耗。

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  • The multi-functional chip ADT14 is a kind of multi-point temperature monitor of outputting logic level control signal, It is also a kind of temperature sensor of outputting simulated voltage signal .

    多功能芯片ADT14既是一种输出逻辑电平控制信号的多点温度监控器,又是一种输出模拟电压信号的温度传感器,可广泛应用于各种嵌入控制系统中。

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  • The circuit isolated by optical fibre for transmitting drive signals and avoiding over current is proposed to solve drive and protection problems for transistors in high-voltage multi-level convertor.

    为解决开关器件在多电平高压功率变换器的驱动和保护问题,提出了一种光纤隔离的驱动保护电路。

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  • The study of voltage stability about multi-infeed DC transmission systems is a new research field, so that voltage instability may probably threaten the security and stability of power grid.

    多直流馈入输电系统的出现给电压稳定研究带来了全新的课题,电压失稳有可能成为这类电网安全稳定运行的最大威胁。

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  • FIG. 7 depicts an example set of threshold voltage distributions in a multi-state device with direct programming from the erased state to a programmed state.

    图7描绘多状态装置中关于从经擦除状态到经编程状态的直接编程的阈值电压分布的示范性集合。

    youdao

  • A digital multi-meter measures the output voltage of the black box.

    数字万用表测量黑盒的输出电压。

    youdao

  • Based on electrical circuit theory, the formulation of the relation between mutual admittance and converter commutation voltage of the multi-infeed HVDC system was given.

    基于电路基本理论知识,推导出多馈入交、直流并联的高压直流输电系统耦合导纳和换相电压关系表达式。

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  • Based on the similarity theory of the accelerated life test, the accelerated life test of concrete was carried out with the multi-channel and adjustable-voltage chloride ion penetration test setup.

    基于寿命加速实验的相似理论,采用多通道变电压氯离子渗透实验装置对混凝土进行了加速寿命实验。

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  • A new high voltage converter based on cascaded multi-level is proposed in this paper.

    本文提出了一种新型的基于级联结构的高压变频器。

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  • In this paper the propagation of pulse wave on and the mutual coupling between conductors of a multi-conductor transmission system are analysed from the basic voltage and current equations.

    本文从电压和电流的基本方程出发,分析脉冲波在多导线传输系统的传播现象和多导线传输系统导线间的相互耦合作用。

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  • The simulation results indicate that the strategy can maintain the system voltage and prevent the over-control and control oscillation among the multi-methods.

    仿真结果表明,该方法能有效地维持系统电压水平,同时防止多控制手段间的超调和调节振荡等现象。

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  • The results show that the radio frequency drive voltage, the variation of states of polarization are main factors to affect the generation of the frequency-locked multi-carrier source.

    结果表明,射频信号的驱动电压,系统中偏振态的变化是影响频率锁定多载波光源产生的主要因素。

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  • FIG. 8 depicts an example set of threshold voltage distributions in a multi-state device with two-pass programming from the erased state to a programmed state.

    图8描绘多状态装置中关于从经擦除状态到经编程状态的双通过编程的阈值电压分布的示范性集合。

    youdao

  • A two-phase optimization method of multi-period reactive power and voltage control was proposed to confine the action times of control devices.

    为减少无功电压控制设备的动作次数,提出了一种多时段无功电压控制的两阶段优化方法。

    youdao

  • Feature and operation principle of regulation transformer with multi-magnetic circuit. Its design and property are discussed. The self-contained voltage regulation system is introduced.

    论述了多磁路调压变压器的特征与工作原理,探讨了其结构与性能,并对与之配套的调压系统做了介绍。

    youdao

  • Feature and operation principle of regulation transformer with multi-magnetic circuit. Its design and property are discussed. The self-contained voltage regulation system is introduced.

    论述了多磁路调压变压器的特征与工作原理,探讨了其结构与性能,并对与之配套的调压系统做了介绍。

    youdao

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