查询词典 generators

We also developed a PD on - line detecting system for stator windings of generators, which c onsists of a set of non - contact type directional sensors, digital system, and software.

此方向传感器系统可以有效地识别外部干扰脉冲和局部放电脉冲。研制出一种基于这种传感器的发电机定子局部放电监测系统。

A bulk power system or a composite generation and transmission system is such a power system which consists of generators, transformers, buses, circuit-breaker, protective-relaying.

组合系统涉及的设备种类较多，结构及运行方式复杂，故障模式往往是重叠的或相关的，其可靠性计算是当前电力系统可靠性研究的前沿领域。

To enhance the reliability of the power system, feeders of generators should be connected to the ATSE gears in the electrical switchgear rooms.

为提高可靠性，应急发电机供电应引至市电低压双电源切换柜。

The technical requirements of the de-excitation system for generators are discussed, including the technical parameters of field circuit breaker, the capacity of de-excitation resistor, the time of de-excitation, the operation conditions for generator de-excitation, etc.

分析讨论了灭磁系统设计的几个主要技术要求，包括磁场断路器的性能参数要求及其选择计算、灭磁电阻容量要求及其选择计算、对灭磁时间的要求、设计应考虑的灭磁工况等，提出了相应的设计计算方法以及在灭磁系统设计中应用ANSI/IEEEC37.18标准时应注意的几个问题。

A measuring and optimum aligning system of turbo—generators'shafts center was introduced,it can be manually measured and calculated and then transmit the data to the computer,or can bc monitored,optimally aligned and datamanaged directly by conlputor.

摘 要：介绍了一种汽轮发电机组轴系中心测量优化调整系统，既可用于持检测仪进行机组轴系中心的测量计算，并将数据传输至计算机；亦可直接用计算机进行检测，进行机组轴系中心的优化调整及数据管理。

Although the measures such as the simulation method with detailed generator model in which the dynamic behavior of exciting system is taken into account and installing power system stabilizers in main generators of Northeast Power Grid were adopted, it was still unable to effectively verify the reasonableness of parameter setting of PSS as well as its integrated matching result, and there was not enough scientific foundation for the selection of power grid model, especially load models. Moreover, it was hard to make accurate quantitative analysis, even though the qualitative analysis, on the close extent of selected models to actual operation of power grid.

虽然采取了计及励磁系统动态行为的详细发电机模型的仿真方法、在东北电网重要发电机组上加装电力系统稳定器(power system stabilizer，PSS)等措施，但PSS参数整定的合理性及整体匹配效果无法得到有效验证，选择电力系统模型尤其是负荷模型还缺乏足够科学依据，对所选模型与电网运行实际的贴近程度也很难做出准确的定量甚至定性的分析。

Additionally, the capture model has some reference values to computing the indirect feed system of the magnetic flux compression generators (e. g. indirect feed coil and permanent magnet).

另外两级磁通俘获模型对于间接馈电装置模拟计算也有一定的参考价值。

according to the users′ actually demand for uninterruptible power supply for loads,the internal structure of digital generator is analysed and the reason for its uninterruptible function can′t be achieved.a design of the uninterrupted power supply system which transformed from the digital generator is proposed.the system uses the inverter of generators,ac through inverter for loads,at the same time,charges the battery as ac is normal.inverter the battery dc converters to ac for load,meanwhile,starting generator,when power failure.the system applies uninterruptible power for load,whether the ac is normal or abnormal,and design voltage and frequency stabilization,output zero-interrupted,battery charging and discharging management.without requiring purchase an uninterruptible power supply separately,this design can avoid duplication of investment and wasting of resources.

快速安全提高汽轮发电机转子检修质量。。。摘要：针对用户对负载供电不间断的实际需求，分析了数码发电机的内部结构及其不能实现供电的不间断性能的原因，提出一种由数码发电机改造组成的交流不间断供电系统的设计方法。该设计利用发电机内部的逆变器，在市电正常时，由市电经过逆变器给负载供电，同时给蓄电池充电；在市电断电时，一边启动发电机，一边由蓄电池的直流电通过逆变器转换成交流电供负载使用，实现无论市电正常还是异常，系统对负载提供不间断电源。设计对市电进行稳压、稳频、输出零切换、蓄电池的充放电管理等新功能。此设计无需单独购买不间断电源，避免重复投资和资源浪费。

To develop an eco-friendly epoxy impregnating resin system for groundwall insulation of large generators, the curing reaction mechanism has been fully studied, the formulation and the curing techniques have been optimized, and the influence of different constitution on the curing reaction, microstructure, and final performances have been studied and characterized.In this paper, influences of different reactive organo-siloxanes on the curing reaction and performances of epoxy V.P.I.

本文研究比较了含有环氧基、氨基或乙烯基的反应性硅氧烷，包括：γ-缩水甘油醚氧丙基甲基二乙氧基硅烷、β-(3，4环氧环已基)乙基三乙氧基硅烷、γ-缩水甘油醚氧丙基三甲氧基硅、β-(3，4环氧环已基)乙基三甲氧基硅烷、γ-甲基丙烯酰氧基丙基三甲氧基硅烷、乙烯基三乙氧基硅烷和苯胺甲基三乙氧基硅烷对环氧V.P.I。

Chaotic key stream generators are of importance in re-entry telemeter data encryption systems.

混沌密钥序列的实现对遥测数据加密系统有着极其重要的意义。

My father is over 60 years old, and he lifts weights every day.

我爸爸六十多岁了，他每天都练习举重。

Then in a serious tone she declared:"It doesn't pay, dear boy, to look like a ninny with one's wife the first night."

两眼湿润了，她把身子蜷得很小，这样似乎可以更好地闻闻自己。