发电机转子
例句与用法
- This paper briefly introduces the raw material and manufacturing process used for rotor slot insulation home - production for air cooled turbo generator with abb technology of switzerland
简要介绍了我公司引进瑞士abb公司的空冷汽轮发电机转子槽绝缘制造国产化所采用的材料及生产工艺。 - Abstract : this paper briefly introduces the raw material and manufacturing process used for rotor slot insulation home - production for air cooled turbo generator with abb technology of switzerland
文摘:简要介绍了我公司引进瑞士abb公司的空冷汽轮发电机转子槽绝缘制造国产化所采用的材料及生产工艺。 - With such a model , the dynamic isodata software offers opportunity for vibration analysis . so far , the most successful applications have included fault diagnosis of diesel engines and of vibration in steam turbine rotors
这种方法广泛的应用于各行各业，在机械故障诊断中如柴油机及汽轮发电机转子振动等的故障诊断中都有成功的应用。 - 3 、 the method of neural networks is used in analysis of transit stability . we choose some characters . it take it as a criterion that the sway angle of rotors of different of is generators is over critical remove angle
选取舰船电力系统暂态特征量，利用故障发生后某一时段内发电机转子之间的最大相对摇摆角_ ( max )是否大于_ ( cr ) (临界切除角，常取180 )为判据，进行舰船电力系统暂态稳定性分析。 - Through the field compound welding of the runner of no . 4 generating unit in lianhua hydropower station , a set of the measures and experience of controlling quality have been gained , which can be used in the installation of the generator " s runner in the similar structure for reference
通过对莲花水电站4号机组的转子现场组焊工作，得出了一套控制质量的措施和经验，对同类结构的发电机转子组装有一定的借鉴意义。 - In the paper , the transmission power of section constituted by the assigned branch is seen as objective function , assigning the adjustable generators both in sending system and receiving system , assigning the faults set , including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system , the thermal stability of branch and node voltage , obtaining the results by using interior - point solution and line - predominant jordan
本文提出的考虑暂态稳定约束的可用输电能力算法是以指定线路组成的断面的传输功率为目标函数，指定送端系统和受端系统中参考调节的发电机，指定故障集情况下，以发电机转子相对全系统惯性中心的角度差、线路热稳定、节点电压等构成约束条件，采用内点法和行主元约当逐行消去法求解问题的最优解。 - Secondly , to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing . the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator . thirdly , it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow . the author constructed reliable and integrated experimental system and did a series of experimental study including no - load , cutting - in network and power generation at , below and above the synchronous speed
论文首先分析了风机运行特性及其最佳风能利用原理，通过仿真及实验验证了采用直流电机的输出特性模拟风力机的最大输出功率曲线的可行性，并给出了模拟系统的硬件结构；然后为了实现交流励磁发电机有功、无功功率独立调节机理，分析了交流励磁双馈发电机的数学模型和在追踪最大风能捕获变速恒频风力发电时必需的定子磁链定向矢量控制策略；针对双馈发电机转子能量双向流动的要求，提出并设计了具有能量双向流动能力的双pwm交流励磁用变频器；最后为实现从理论到实践的全面研究，研制出了一套小功率完整的双pwm变频器交流励磁的双馈风力发电机实验系统，进行了空载、并网、同步速及上、下的发电运行等一系列的运行实验；所完成的仿真和实验研究均验证了理论、模型和控制策略的正确性、可行性。 - The two - point to earth short fault may cause short currents whic h can lead to serious accident . so it is necessary to monitor the state of field windings of turbo - generator and detect the kind of fault and predict its inclination . thus the security level of power system will be improved
由于发电机转子两点接地故障时会产生较大的短路电流，导致恶性事故的发生，因此对发电机转子绕组进行状态监测，判断短路故障的形式和趋势是十分必要，有助于提高系统安全运行水平。 - And matrix equations calculating the responses of coupled vibrations are deduced . a set of software analyzing coupled vibrations is developed . the responses of flexural vibration , torsional vibration and torsional torque are analyzed under some fault cases , including mass escaping of low - pressure and generator rotors
利用该软件，分析了低压缸和发电机转子发生质量飞脱事故，发电机出口端发生三相、两相短路故障，发电机非同期并网故障以及电网三相短路重合闸故障时，机组轴系的弯振、扭振及扭矩响应情况。 - This dissertation firstly expounds the basic principle and electric structure of astg , and analyzes the principle of excitation control . because in actual system the excitation current is always the control target , the mathematical model with excitation - current controlled , which can be referenced by simulation of the same type system , is put forward
本文首先介绍了异步化汽轮发电机的基本原理和电气结构，深入分析了异步化汽轮发电机的励磁控制原理，由于实际的励磁装置大多以励磁电流为被控制量，提出了异步化汽轮发电机转子励磁电流控制的数学模型。