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exciters相关的网络例句

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与 exciters 相关的网络例句 [注:此内容来源于网络,仅供参考]

Now our main products are: PTX-LCD, TEX-LCD/S, BLUES30NV serial FM exciters, TX serial 1-10KW FM transmitters, TX serial 3-20KW hot plug-in transmitters, AJ1F serial vertical polarization FM antenna, DPA serial panel FM antenna, star-point or bridge style FM multiplexor, digital STL microwave link, professional receivers and any TV related products.

公司主要产品有:PTX-LCD/S,TEX-LCD/S,BLUES系列调频激励器,TX系列1-10KW调频发射机,TX系列3-20KW热插拔数字调频发射机,AJ1F系列各种功率等级的垂直极化调频天线,DPA系列带反射板偶极子调频天线,星型,桥型系列大功率调频多工器,数字STL微波传输系统,专业调频收转机等及所有电视设备产品

With large-scale power system being interconnected and lots of high amplificatory multiple fast static exciters being equipped, the damping of system oscillations is severely reduced and even minus.

大规模电力系统互联以及高放大倍数快速励磁装置的采用,使得系统对振荡的阻尼大大减弱甚至变为负值。

This paper describes the principle and method, by which the modal parameters of symmetrical plane structures can be measured by means of ganeral simple exciters and measurement instruments.

本文描述了用简单的通用激振器和测量仪器测量对称平面结构模态参数的原理和方法。

The PEBS method is improved to make it suitable for the transient stability analysis when the affect of exciters is incorporated.

对PEBS法进行了改进,使之能够分析考虑励磁调节作用的详细模型下系统的暂态稳定性。

Parameters of the exciters were optimized to determine the operating point in saturation curves,and obtain the optimal signal-to-noise ratio.

建立了缺陷漏磁场的有限元仿真模型,研究了励磁线圈的形状、励磁电流对检测信号的影响,获得最佳的信噪比。

Parameters of exciters, inspecting velocity and size of defects are analyzed using two models respectively.

根据漏磁检测设备相关参数,建立静态和瞬态有限元仿真模型。

A number of electromagnetic vibration exciters of a large size have been produced for vibration testing in the aircraft and missile industries.

为了进行航空及导弹工业的振动试验,已经建造了若干大型电磁式激振器。

The following exciting results are derived: 1 When considering the influence of some nonlinear elements such as hard-limit of exciters, the effects of some devices such as Power System Stabilizer, Unified Power Flow Controller and Static Var Compensator as well as using real parameter values of power systems in simulation , the SNB surface and the HB surface on the boundary of small signal stability region will turn close to each other and even coalesce together; 2 Under some conditions, coupling between slow exciters and shunt capacitors will bring negative damping in power system dynamics, which increases the possibility of oscillatory instability, so that a power system with mass shunt compensators is easily subjected to the oscillatory instability.

同时发现:1 系统中的慢速励磁,在某些情况下会与并联补偿电容器组产生负阻尼现象而显著降低系统的动态性能,大大增加系统出现振荡失稳的可能性;2 在采用较多并联电容器组补偿的电力系统中,更容易出现振荡型失稳。

The following exciting results are revealed: 1 When considering the influence of some nonlinear elements such as hard-limit of exciters, the effects of some devices such as Power System Stabilizer and Static Var Compensator which can introduce positive damping in power system, the reasonability of system parameter values in simulation, the SNB surface and HB surface on the boundary of SSSR will turn close to each other and even coalesce together; 2 Under some conditions, coupling between slow exciters and shunt capacitors will bring negative damping in power system dynamics, which increases the possibility of oscillatory instability. So the power system with mass shunt compensators is easily subjected to the oscillatory instability. In recent years, chaotic phenomena of power system have been reported many times. Some simulation studies even found chaos existing inside the power system SSSR. In this dissertation, chaotic phenomena in power systems are thoroughly studied in order to make clear the relation of chaos and SSSR. The following results are derived: 1 Based on Li-Yorke Theorem and their definition on the chaos, the existence of chaos in power system is verified; 2 Three possible routes of causing chaos in power system are found and deeply investigated. They are route of cascading period doubling, route of directly initial energizing and route of torus bifurcation (or quasi-periodicity). The latter two routes are investigated for the first time in power system stability studies; 3 When the stability conditions of chaos are broken, it is found they can lead to voltage collapse, angle divergence, or voltage collapse with angle divergence simultaneously.

针对在电力系统小扰动稳定区域内可能存在混沌吸引域的有关报道,本文深入研究了电力系统混沌现象的出现途径和与系统失稳模式之间的关系:1利用Li-Yorke定理和Li-Yorke的混沌定义,从理论上证明了电力系统混沌现象的存在性;2发现了电力系统中导致混沌出现的三种可能途径:倍周期分岔导致混沌、初始能量直接激发混沌和经由环面分岔导致混沌,并对后两种新发现的途径进行了较为细致的研究;3发现了混沌极限环破裂导致电压崩溃、角度失稳以及电压崩溃和角度失稳同时出现的现象,其中混沌极限环破裂导致系统角度失稳和电压崩溃及角度失稳同时出现的现象均属首次报道;4证明由微分-代数方程描述的系统模型,其小扰动稳定域的边界只包含HB、SNB和SIB三种分岔界面,在SSSR的内部和边界上,均不可能存在会导致混沌的点,从而将混沌现象排除在小扰动稳定域的研究之外,简化了后者的研究工作。

Our main products include: FM transmitters,FM exciters: MIZAR/MIRA, VHF/UHF TV transmitters, TV exciters: CAV/VEGA,DMB-TH/DVB-T Digital TV series , Remote Control Unit and N+1 system.

公司主要产品有:FM广播发射机、VHF/UHF电视发射机、DMB-TH/DVB-T数字电视系列、远程监控、N+1系统。

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