| 1. | Development of a new excitation regulator system for rotating thyristor excitation system
旋转晶闸管式同步发电机无刷励磁的研究 |
| 2. | Study on field - oriented control of a doubly - fed electric machine fed by matrix converter
矩阵式变换器励磁的双馈电机磁场定向控制研究 |
| 3. | In this paper , firstly , based on the analyzing the nature of the harmonics produced by the cycloconverter excited acems , a novel concept of " power harmonic " is proposed
本文首先对采用交交变频器励磁的acem发电系统电力谐波特性进行了详细的分析，获得了“电源谐波”的新概念。 |
| 4. | The influence of frequency , voltage , waveform of the excitation source and other factors in the new exciting scheme are discussed , based on which an optimum excitation scheme is presented to maximum the torque output of the machine in the low speed range
在此基础上，系统地分析了在单相励磁条件下的励磁频率、电压、波形等因素对电机特性的影响，并提出了最佳励磁的方案。 |
| 5. | The good agreement showed the validity of the analytical methods . a new scheme of the complex excitated lsm is also proposed , which incorporates the advantage of electrical excitated lsm and permanent magnet lsm . this technique has potential application in the field of maglev
论文还提出了一种混合励磁的直线同步电机的概念设计方案，它结合了电励磁直线同步电机和永磁直线同步电机的一些优点，在磁悬浮技术中有较好的应用前景。 |
| 6. | Abstract : the problem is given for the normal circuit of the double exci ter and the trubogenerator for heat giving . the circuit of the double exciter is discusse d and the new circuit of double exciters is given which can be used on the trubo genator for heat giving
文摘:提出相位复式励磁装置与供热为主的汽轮发电机常规接线配装存在的问题，从研究改进“相复励”接线方式入手，以满足供热式汽轮发电机励磁的需要，推荐使用改进的新型接线方式 |
| 7. | The hybrid claw - pole alternators have magnetic fields contributed by permanent magnet as well as excitation coil , and the advantages are high efficiency , have good low - speed characteristics , excitation adjustable and high flux densities . for the reason of complex claw - pole construction and 3 - d magnetic field distributions , there is lack of the research on the alternators
混合励磁爪极发电机是由永磁体和励磁线圈共同产生电机磁场的一种发电机，与传统的爪极发电机相比有高效、低速性能好和集线圈励磁的电压调节性能与高磁通密度的优点，具有很好的研究前景和使用价值。 |
| 8. | 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。 |
| 9. | Some key parameters to affect hepmg performance are studied and some design rules are given . the principle of load distribution and estimate calculation of permanent magnet and electrical exciting are given . methods of improving the power density and weakening aberration rate of sine wave are research
对影响hepmg性能的关键参数进行了计算研究，总结了参数设计规律；提出了hepmg中永磁体和电励磁的负荷分配原则并给出了估算方法；分析了提高hepmg功率密度和降低电动势波形正弦畸变率的措施。 |
