In order to increase the reliability of the excitation system for large turbogenerator and improve its response, a 70 KVA, 3,000 rpm and 400 Hz rare earth-cobalt permanent magnet ( REPM) generator has been built as a pilot exciter.

Wiring and Failure Analysis for Pilot-exciter& Stand-by Pilot Exciter of Excitation System

励磁系统副励与备副励的接线及事故分析

Research on the Magnetic Field Control of Large Adjustable Speed SM with Brushless Exciter As a result, a new mode of brushless exciter appears.

大型调速同步电动机无刷励磁磁场控制的研究无刷励磁技术是为了适应大机组励磁而出现的一种新的励磁方式。

As a result, a new mode of brushless exciter appears.

无刷励磁技术是为了适应大机组励磁而出现的一种新的励磁方式。

The high frequency fatigue testing machine mentioned in this thesis controls electromagnetic resonant mode exciter through the feedback of load sensor.

加载的频率可以达到80-250Hz，我们所研制的高频疲劳试验机控制器，是通过负荷传感器的反馈来对电磁谐振式激振器进行控制的。

The quasi-optical mode exciter with the method of quasi-optical conversion has high purity output mode, but its disadvantage is narrow bandwidth, low efficiency, complicated structure and many of its modules need high accuracy fabrication and assembling.

利用准光变换设计的准光模式激励器虽然其输出模式纯度高，但其输出为点频，频带极窄，效率较低，且部件多、结构复杂，各部件的加工装配精度要求高。

The short-circuit phase of KFD-3 loss of strong excitation is found by analyzing the current and voltage phasor as two-phase short circuit on HV side of transformer. The wiring mode of relaying impact exciter is presented.

通过分析变压器高压侧两相短路时的电流、电压相量，得出KFD3失去强励作用的短路相别，分析得出继电强行励磁装置接线方式。

Operating principle of a new type hydraulic wave exciter and its typical application programs were studied.

研究了新型液压波动激振装置的工作原理及其典型的应用方案。

The characteristics of current-linear-amplifier of AC exciter means that the ratio of excitation currents of main generator and exciter is constant, independent on load and temperature.

着重研究了恒速情况下交流励磁系统的电流线性放大器特性的实现问题。

Diagnosis and treatment for the vibration of the main exciter of the steam turbine generator

汽轮发电机主励磁机振动诊断及处理

Analysis and Advice for No.1 Generator's Main Exciter Accident of Guangzhou Paper Mill

广州造纸厂1号发电机主励磁机事故分析及建议

The on-line pipe flaw detector with magnetic leakage flux principle is introduced, providing details regarding the exciter circuit structure, magnetic sensors and signal processing.

介绍了基于漏磁探伤原理的钢管管缝在线检测装置，对装置的励磁磁路结构、磁敏感检测元件及其信号处理作了较详细的分析论述。

Exciter Automatic Voltage Adjusting Digital Potentiometer

励磁自动电压整定数字电位器

Increases both the steady state and transient stability limits of the generator with respect to the power system by continuous, fast control of the exciter voltage to match the generator requirements.

通过连续、快速控制励磁机电压以与发电机的要求相匹配来提高发电机对于电力系统的稳态和暂态稳定性限度。

The mathematical model for the motion of CVE 2 type chaotic vibration exciter was set up and its numerical simulation and chaotic identification were carried out.

建立了使用滑动轴承的CVE-2型混沌激振器所产生的运动的数学模型，并对其进行了数值仿真和混沌识别。

Exciter set driving motor engine behaviour

励磁机组驱动电动机发动机工况发动机特性

How might the method of payment change the demand for accounting information in hospitals?

如何可能付款方式改变的需求,会计信息在医院?

Please indicate the rate of processing and assembling charges and also the method of payment.

加工装配过程中原材料和零配件允许的损耗为3%.

We regret to say that we can't accept the method of payment against acceptance.

很抱歉,我们不能同意承兑付款方式.

Please indicate the rate of processing or assembling charges, and also the method of payment.

请说明加工和装配的价格以及付款方式.

It's the most commonly used method of payment for export and import in the world.

这是进出口货物时,全世界最常用的付款方法.