查询词典 excitation voltage

The AC-DC-AC voltage source inverter main circuit and TMS320LF2407 are selected to form high performance alternating current excitation system of ASG in this dissertation after detail schemes argumentation.

本论文在详细方案论证的基础上选择了交－直－交电压型主电路和数字信号处理器TMS320LF2407构成高性能的异步化同步发电机交流励磁系统。

Electrochemical impedance spectroscopy was used to investigate the electrical response of the cells under excitation with an alternating current voltage source was measured and analyzed in a wide frequency range (10 mHz-100kHz).

因为目前所使用的染料和电解液都是针对二氧化钛所开发的，虽然氧化锌具有比二氧化钛更有好的光电性质，但目前氧化锌染料敏化太阳能电池的转换效率仍无法超越二氧化钛。

At last, by using VB6.0, we have written the aided design program of the double-voltage hybrid excitation rare earth permanent magnet synchronous generator. Tow sample BLONDEL have been designed.

最后，本文利用高级计算机语言编制了人机界面友好的双电压复合励磁稀土永磁同步发电机的计算机辅助设计程序，并研制了两台样机。

Magnetic flux, flux density and induced voltage under different electrical excitation are obtained by calculating the nonlinear magnetic circuit equation.

通过求解非线性磁路方程，计算得到不同励磁磁势下径向与轴向磁路的磁通分布、主气隙磁密、空载感应电势。

This paper presents a low-voltage excitation with feedback method. By pre-excitations, the vibration frequency of the sensor can be got to used as the output of the driver. The feedback signal frequency is very close to the real frequency of the sensor, so the wire can reach resonance state quickly.

本文提出一种反馈式低压激振方法，降低拨弦激振电压对传感器进行预激振，将反馈的振动频率信号作为输出，对传感器进行复振，可以在很短时间内使振弦达到共振状态。

In addition, equivalent series reactance of excitation transformer worsens the condition of the thyristor operation, and it can bring transient over-voltage at the moment of switching thyristor. The transient over-voltage will endanger the field winding.

励磁变压器的串联电抗恶化了晶闸管的换相工作条件，并在晶闸管元件导通与关断瞬间引起危及到转子励磁绕组安全运行的过电压。

When the power system load in a small disturbance, the system itself to maintain the stability of the power transmission capacity, the use of automatic excitation regulator device may reduce the reactance of the generator, and then further to maintain the transformer high-voltage bus voltage constant, so compensation not only its own reactor, but also compensation for the step-up transformer reactance, thus greatly improving the power limits of generators, which greatly increased the static stability of power system.

当电力系统的负载发生微小的扰动时，系统本身保持稳定送电的能力，使用自动励磁调节装置，则可减小发电机的电抗，再进一步维持变压器高压母线的电压恒定，这样不仅完全补偿了自身的电抗，而且还补偿了升压变压器的电抗，这样就大大提高了发电机的极限功率，即大大地提高了电力系统的静态稳定。

The generator terminal voltage rising caused by the local over-voltage,over-current and single-ge-nerator compelling excitation during system syntony is theoretically analyzed.

从理论上分析了谐振导致局部过电压、过电流及发电机单机强励后造成机端电压升高的问题。

Group main products are: three-phase modular overvoltage protectors, high voltage current-limiting fuse combination of protective devices, de-excitation of synchronous generator rotor device, large-capacity high-speed switching device, extinction arc and over-voltage protection device, computer system protection device, intelligent switchgear, etc., series, nearly a hundred kinds of products.

集团主要产品有：三相组合式过电压保护器、高压限流熔断器组合保护装置、同步发电机转子灭磁装置、大容量高速开关装置、消弧及过电压保护装置、微机系统保护装置、智能开关装置等七大系列，近百种产品。

The internal impedance voltage drop is different. To sustain the voltage of dynamo stable, we must regulate the excitation all the times, according to the capacity of the quality of load.

要维持同步发电机的端电压为一定水平，就必须根据负载的大小及负载的性质调节同步发电机的励磁电流。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。