This research aims to study over voltage induced by under-excitation limitation moves in black start of the power system.
对黑启动过程中发电机带空载长线路可能出现的欠励限制动作导致的系统工频电压升高问题进行了研究。
The restrictive effect of auxiliary power voltage and the safety measures of under-excitation operation are also included.
对厂用电电压的限制问题及进相运行的安全措施也作了讨论。
It is concluded that generator under-excitation operation is a stable and normal behavior, and the difficulty of its carrying-out does not lie in technology but in people's understanding.
最后得出了发电机进相运行是一种安全正常工况的结论，并且认为投入进相运行的难点不在于技术，而在于人的思想认识。
Under the principle and structural characteristics, a new type of excitation circuit is designed, which has simple structure, and also could solve switch on and off oscillation problems bothly.
本文根据快速斥力机构特有的工作原理和结构特点设计了一种新型励磁电路，结构简单，而且能够同时解决合闸弹跳和分闸弹振问题。
The nonlinear dynamical equations of inclined support spring system were obtained under the excitation of rectangular pulse.
以斜支承弹簧系统为研究对象，建立了矩形脉冲激励下系统非线性动力学方程。
The dynamic response RMS under random excitation spectrum is estimated.
对随机激励谱下的动力学响应RMS也进行了估算。
Under sinusoidal excitation, the feasibility of utilizing RLC circuit as the impulse power source is analyzed.
分析了正弦激励下的RLC电路作为脉冲功率电源的可能性。
It shows that the presented method can be used to identify modal parameters effectively under ambient excitation and that the polynomial eigenvalue method is superior to the augmented matrix method.
结果表明，多参考点互相关差分模型能够有效地进行环境激励下的模态识别，并且多项式特征值法比增广矩阵法所得结果更好。
The undeterministic responses of structures under random excitation can be regularly obtained by using the new method.
应用这个方法可以方便地求解体系在任意激发下的随机响应。
After a brief introduction of the two-phase excitation scheme, the flux linkage model of a SRM under two-phase excitation is developed using FEA.
文中首先简要介绍了这种两相励磁系统的结构，然后提出了两相励磁下SRM的磁链模型。
The nonstationary random response of elastic circular arch under horizontal seismic excitation was studied by the method combining the pseudo-excitation algorithm with Galerkin algorithm.
应用虚拟激励法与伽辽金法相结合，分析弹性圆拱在非平稳水平随机地震作用下的随机响应问题。
The displacement response variance of the rotor system under random excitation was investigated numerically by solving the variance equation.
通过求解方差方程，用数值方法对对随机激励作用下的转子系统的位移响应方差进行了研究。
Theresponse under harmonic excitation is computed and compared with the test result.
计算了简谐激励下的响应，并与实测的结果进行了比较分析。
By considering various buildings under the excitation of different earthquakes, dependence of the torsional contributions to total response has been studied for selected scaling parameters.
通过考察在不同地震激扰下的各种建筑物，针对选定的一些标定参数研究了扭转作用对整体反应的相关性。
Luminescence from porous silicon is studied with plane polarized light excitation under grazing incidence.
研究了以掠入射的平面偏振光激励的多孔硅的光致发光。
This paper proposes a new approach to coordinated design of excitation controller under information structure constraint.
提出了一种考虑信息结构约束时协调设计励磁控制器的新方法。
Nonlinear stochastic response analysis of viscoelastic damper-connected adjacent multi-story buildings under earthquake excitation is performed in this paper using the equivalent linearization method.
本文用随机等价线性化方法探讨了相邻结构之间用粘弹性阻尼器连接后的非线性随机地震反应。
In this paper, control for responses of Bridges under uniform earthquake excitation is performed using MR dampers.
本文应用磁流变(MR)阻尼器对桥梁结构在一致地震激励下的响应进行控制。
In this paper, control for seismic responses of Bridges under traveling wave excitation is performed using MR Dampers.
本文应用磁流变(MR)阻尼器对桥梁结构在行波激励下的地震反应进行控制。
In this paper, the local dynamic effect modification formulation of rightangled triangle plate element under arbitrary excitation is presented.
本文推导了在任意载荷激励下直角三角形板单元局部动力效应修正公式。
This paper presents a dynamic design method in which the mean square responses for certain points on the structure under random excitation are regarded as constraints.
本文提出一种将结构在随机激励下某些点(自由度)上的均方响应作为约束的动力学设计方法。
The dynamic characteristics of Ligong First Bridge of Wuhan University of Technology were analyzed based on its dynamic testing results under ambient excitation.
在环境激励下对武汉理工大学理工一桥进行了动力测试，在此基础上分析了该桥梁的动力特性。
The presumable range of initial disturbances for rocket under random excitation has been given.
给出了在随机激励作用下火箭初始扰动的可能域。
The combination resonance of a simple supported beam under two excitation forces was studied.
研究了简支梁在两个激振力作用下的组合谐波响应。
The problems of guaranteed precision of random dynamic response of closed loop system of 8-meter intelligent caliber antenna under random wind excitation are studied.
研究了8米口径智能天线结构在随机风荷作用下其保精度闭环控制随机响应问题。
The chaotic motion of a pipe single mode system of the fixed supported at two ends under base excitation is actively controlled by introducing the feedback of notch filter.
对于两端固定输流管道在基础简谐激励下的单模态系统，利用凹槽滤波器对系统的混沌运动进行了控制。
Under proper excitation control, the reactive power, active power and speed of an ASG can be independently adjusted, respectively.
而且调节励磁不仅可以调节发电机的无功功率，还可以调节发电机的有功功率和转速。
Under proper excitation control, the reactive power, active power and speed of an ASG can be independently adjusted, respectively.
而且调节励磁不仅可以调节发电机的无功功率，还可以调节发电机的有功功率和转速。
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