A stable resistance-free current-fed model and a stable resistive currentfed model are proposed respectively.
分别提出了稳定的无内阻型电流馈源模型和内阻型电流馈源模型。
A novel resonant-type high frequency AC bus topology is presented and low harmonic disortion current-fed high-frequency AC bus is obtained.
介绍了一种新的固态短路限流器的驱动电源架构，提出新的谐振型高频交变恒流源拓扑方案，获得了低谐波含量的电流型高频交流母线。
The proposed bi-directional converter has no high voltage spike problem and start-up problem, which are inherent in current-fed and voltage-fed hybrid type bi-directional converters.
这种结构的双向变换拓扑解决了电流型一电压型组合式拓扑的开关管电压尖峰问题和启动问题。
In the current and past two recessions, interest rates never got very high and the Fed actually began to lower them before the contraction began.
现在和之前的两次衰退，利率根本就没有高过，实际上在衰退开始之前，美联储就开始降低利率。
The basic principle of the Active Power Filters (APF) is described. In this paper, the performance of Current-fed APF is studied and compared with Voltage-fed APF by digital simulation.
本文阐述了有源电力滤波器的基本原理，通过数字仿真研究了电流型滤波器的性能，并与电压型滤波器作了对比。
Years of low short rates helped create the housing bubble, and the Fed risks fostering another financial bubble with its current policies.
而美联储目前的低利率政策有造成另一场金融泡沫的风险。
How to obtain the current pulse fed to the winding of the power step motor approaching to rectangle is discussed.
本文阐述如何使功率步进电动机中绕组的脉冲电流逼近矩形波。
On the basis of this scheme, a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given.
在此基础上，本文提出了一种基于转子电流定向的双馈电机矢量控制的新型调速方案。
Signal processing of motor was conducted by Wavelet Transform. The current harmonics characteristics and noise changes with switching frequency of the motor fed by Inverter were listed.
利用小波变换对电机的信号进行了处理，得出了变频供电下电机电流的谐波特性以及变频器供电电机的噪声随变频器开关频率的变化特性。
So the Fed seems to be resigned to hoping that keeping interest rates at current levels for a long period — 18 to 24 months is the current estimate — will do the job.
于是美联储似乎退而希望长期保持目前的利率——目前估计是18到24个月的样子——目标就能达到。
A differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system.
差动继电器作为保护装置，差动继电器由位于系统中两个不同位置的电流互感器提供反馈信息。
The displacement current is amplified, converted to a voltage, and fed to the outside world as part of a composite video signal or digitized signal.
移位电流被放大，转换成为电压，作为部分复合视频信号或者数字信号输送给外部世界。
Fed experts say the U. s. unemployment rate will fall from its current 9.2 percent, but not as quickly as previous predictions.
美国目前的失业率为9.2%。美联储的专家说，这个数字会有所下降，但下降的速度不会像预期的那样快。
More realistically, if the current credit crunch were to intensify, economic growth show signs of faltering and inflation disappear as a threat, the Fed would also have reason to cut rates.
更现实地来说，如果目前的信贷风险恶化，经济增长显示出动荡信号，通货膨胀危险解除，美联储也有理由削减利率。
Differential relay a differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system.
差动继电器作为保护装置，差动继电器由位于系统中两个不同位置的电流互感器提供反馈信息。
Interest rates were kept at their current target range of 0-0.25 per cent, and the Fed maintained its pledge to hold them there for an "extended period".
美联储将利率保持在目前0- 0.25%的目标区间，并承诺“在较长时期内”保持利率不变。
In monitoring and analyzing the activities of these Banks, the Fed obtains valuable information about trends and current developments in these markets.
在监管及分析这些银行的活动的过程中，美联储获取到关于这些市场的现状及发展前景的有价值的信息。
Aimed at dead time effect of voltage-fed space vector pulse width modulation (SVPWM) inverter, a novel compensation method detecting current polarities from the current vector was presented.
针对电压源型空间矢量脉宽调制逆变器的死区效应，提出了一种根据电流矢量判断电流极性的死区补偿方法。
The paper gives the vector control speed system of the double-fed machine on the rotor current orientation.
为此我们确定双馈电机调速时的矢量控制策略即转子电流定向的矢量控制。
Based on the theory of vector control and automatic control system, the vector control system of current model for doubly-fed asynchronous machine with field-oriented rotor was established.
根据矢量控制理论和自动控制原理，建立了转子磁链定向的双馈异步电动机电流模型矢量控制系统。
In the three-phase inverter-fed motor drives, the switching devices'PWM waves generate shaft voltage and bearing current, and these make the motor's life shorter.
在三相逆变器驱动电机系统中，开关器件的PWM波导致了轴电压和轴承电流的产生，使电机受到危害，降低了电机的使用寿命。
Bernanke indicated that the Fed is prepared to take additional steps to stimulate the economy if the current lull in growth continues.
伯南克表示，美联储已经做好准备，如果经济增长继续低迷，将采取更多措施刺激经济。
The fact is that the Fed comes to Congress and talks about only what it wants to talk about, and the GAO audits only what the current laws allow to be audited.
事实是美联储来到国会，谈论的仅仅是它想说的东西，而且联邦审计总署审计的也仅仅是现有法律允许审计的东西。
He attempted to make the case that the fed is already sufficiently accountable to Congress and that the current auditing policy is adequate.
他试图去辩解说美联储已经对国会充分负责，而且现有的审计政策已经足够。
These Fed-backed rates, however, would be considered high in normal times and also exceed current yields on similar debt issued by strong industrial corporations.
不过，Fed对贷款收取的这个利率水平比正常时期高，也高于强劲行业公司发行的类似债券的收益率水平。
Current unemployment and inflation, which is below the Fed's preferred levels, are "wholly unsatisfactory", William Dudley, the President of the New York Fed said on October 1st.
当前的失业率和通胀率(低于美联储的期望水平)“完全不能让人满意”，10月1日纽约联邦储备银行总裁威廉•达德利(William Dudley)如是说。
Based on the method of moment, a new method to analyze the grounding grids fed by harmonic current is presented.
基于矩量法，提出了一种新的接地网频域性能分析的数值计算方法。
His comments were backed up overnight by the st Louis Fed President Bullard who suggested that the FOMC might even cut the current program of QE2 short.
他的言论在隔夜还得到圣路易斯联邦储备银行总裁布拉德的支持，布拉德建议，联邦公开市场委员会甚至可能会缩短第二轮量化宽松政策的期限。
His comments were backed up overnight by the st Louis Fed President Bullard who suggested that the FOMC might even cut the current program of QE2 short.
他的言论在隔夜还得到圣路易斯联邦储备银行总裁布拉德的支持，布拉德建议，联邦公开市场委员会甚至可能会缩短第二轮量化宽松政策的期限。
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