1、

In this paper, the breaking transient formulas of terminal voltage and field current of synchronous machine with three phase symmetric load have been derived.

本文导出了同步电机三相对称负载突然拉开,电机端电压与励磁电流在瞬态过程中的解析表达式。

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2、

Individual inductor connected between the inverter ′ s output terminal and the load can restrain the circulating-current well with the disadvantage of reducing the steady-state voltage accuracy of parallel system.

在逆变器输出端串联电感能够较好地抑制并联逆变器模块间环流,其缺点是降低了并联系统的稳态电压精度。

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3、

The basic methods of vehicle testing are resented to derive the meaning of bench test. Current researches on load emulation are discussed.

论文首先介绍了汽车试验的基本方式,引出试验台架的意义,并讨论了负载模拟技术的研究现状。

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4、

Load Distribution Test Applied on Current Bridge State Evaluation

横向分布测试在既有桥梁状态评估中的应用

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5、

The load transmission characteristics and bearing behaviors of pile in loess soil Q_ ( 2,3) are analyzed through the loading test data and the limitations of the current codes are found, which supply the benefited experience for the pile design in losses soil Q_ ( 2,3).

本文从试桩资料入手,针对Q2,3黄土状土,详细分析了桩的荷载传递特性及承载性状,发现了现行规范的缺陷,为Q2,3黄土状土分布区的桩设计提供了可借鉴的经验。

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6、

Load an arbitrary matrix to the current projection matrix.

加载一个任意的矩阵到当前的投影矩阵。

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7、

When starting a direct indication of any phase current values, run-time display load power, can be recycled shows three-phase current, voltage, phase current degree of balance.

起动时直接显示任意一相的电流值,运行时显示负载功率,可循环显示三相电流、电压、三相电流平衡度。

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8、

The equivalent circuit and the vector diagram of the HTS LIM are studied. The three-phase winding current, the thrust force, the vertical force, the motor speed and the motor position in the load condition are analyzed.

研究了高温超导直线感应电机的等效电路和向量图,分析了负载条件下电机的三相绕组电流、电机推力、电机法向力、电机速度和电机位移波形。

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9、

Three equations for satisfying symmetrical condition of voltage or current of threephase three-wire load in the form of rotating factor am and admittance or impedance are introduced.

本文应用旋转因子a~m及导纳或阻抗的形式给出了对称线电压下,满足三相三线负载电压或电流对称条件的三个方程。

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10、

It is given a novel electronic simulative load and proved that the IGBT can simulate the real time waveform of the current and voltage in welding.

提出了一种新型的电子模拟负载,并通过理论分析和大量的实验研究证明了采用这种电子模拟负载模拟动态电弧的实时变化是可行的。

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11、

Based on this, the author proposes three ways to improve the efficiency of relativistic magnetron from different perspectives: ① lower the load Q value; ② set an upper limit to work current; ③ array of relativistic magnetron with high impedance.

以此为基础,作者从不同的角度提出了三种改善相对论磁控管效率方案:①降低有载Q值;②限制工作电流;③高阻相对论磁控管锁相阵列。

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12、

Research on alternating constant current drive systems for high-power load;

介绍一种全数字控制的高性能交流主轴伺服驱动系统。

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13、

Contactor control is used by three-phase load motor in electric power locomotive. Current quick-break protection, inverse time over current protection and single-phase grounding protection can be realized by single chip micro-computer.

电力机车三相负载电动机采用接触器控制方式,可用微型单片机同时实现电流速断、反时限过流及单相接地等保护。

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14、

It can be used as an independent relay, including crossing current brake circuit, no braking quick-break circuit, preventing no-load starting transformer inrush current, and avoiding fifth harmonics of overexcitation running for high-power transformer.

它可以作单个继电器用,具有穿越电流制动回路,无制动速断回路,且可防止空投变压器励磁涌流的影响,对大容量变压器还可躲开过励磁运行时五次谐波的影响;

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15、

Using different additives in cathode can develop the heavy current load thermal battery at activated beginning.

通过在正极中引入适宜的添加剂,采用合适的添加剂配比和添加工艺,可以研制出适用于有大负载、快激活要求的热电池正极材料。

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16、

A Review of Thermal Current Load Analysis for Internal Combustion Engine Parts

内燃机零部件热负荷研究的现状讨论与展望

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17、

It also includes thermal protection and current limit, protecting the load and the regulator during fault conditions.

具有热保护和电流限制功能,保护工作在不正常条件下的负载元件和芯片。

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18、

Protection against motor over-load usually adopt thermal relay, but protection against line over-load usually adopt long delay over-current release of circuit-breaker.

电动机过载保护通常采用继电器,而配电线路过载保护多采用断路器的长延时过电流脱扣器来完成。

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20、

On this basis, proposed the theories in the regulation of excitation current by detecting the active component and reactive component of the load.

在此基础上,提出了通过负荷电流的有功分量和无功分量来调节励磁电流的理论。

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