支路

The principle of the novel single-phase hybrid active power filter is described in detail. Based on the above analysis, Kalman filtering approach for estimation of harmonics is presented to improve the speed and precision of harmonic detection, and it also can avoid the influence made by voltage distortion on harmonic detection. A new current control strategy based on energy balance is presented to regulate the active part absorbing or releasing active power and control the inverter to produce current opposite to the harmonic current reflowing in injection branch, the above method combined with harmonic current tracking control that keeps the stabilization of dc-side voltage and improve the reliability of the system.

并详细分析了系统的滤波原理，提出了基于卡尔曼增益自调整的改进型动态谐波含量估计方法，能够快速准确的跟踪检测电网谐波电流，并且克服了电力机车等冲击性负荷引起的电网电压畸变对谐波检测精度的影响；提出了基于逆变器两侧能量平衡的电流控制方法使有源部分吸收或释放一定有功或无功功率及产生与注入支路回灌谐波电流相反的抑制电流，然后联合电网谐波电流跟踪控制以获得系统参考信号，保证了直流侧电压的稳定，提高了装置可靠性，增强了系统滤波性能。

Based on Combination of the MMF equation and the branch current equation, an expanded equation about the winding currents and current-limiting reactances is obtained. According to the feature that the control windings are short-circuited in turn, the current-limiting reactances are calculated for each control winding step by step.

把磁势平衡方程和支路电流方程相结合，推导并得到了关于绕组电流和限流电抗的增广方程，再根据控制绕组顺次短路工作的特点，提出了CRT的各级限流电抗值的一种递推算法。

Combined with dumm y damping parallel circuit,the voltage prediction can eliminate partially the sam pling tim e delay of input and output data transfer thus resulting in current noise reduction and a numerical stability im provement,which can achieve an overall simulation stability in steady and transi...

利用电压预测技术，结合&虚&阻尼并联支路，可以有效地减小接口电流噪声，提高 RTDS数值计算稳定性，保证数模接口在稳态和暂态仿真中的稳定。各 AC/DC接口的电压预测步长需独立精心选择，典型值在 1个～ 3个步长，取决于直流平波电抗值的大小和直流输电线的长度。文中给出了接口的技术实现和性能校验结果。

Combined with dumm y damping parallel circuit,the voltage prediction can eliminate partially the sam pling tim e delay of input and output data transfer thus resulting in current noise reduction and a numerical stability im provement,which can achieve an overall simulation stability in steady and transient states .

利用电压预测技术，结合&虚&阻尼并联支路，可以有效地减小接口电流噪声，提高 RTDS数值计算稳定性，保证数模接口在稳态和暂态仿真中的稳定。

In a system with only one pump, reduced pressure for one branch of the circuit can be obtained with a pressure-reducing valve.

在只有一个泵的系统中，为一条支路减压可通过减压阀完成。

How to take random branch outages into account is a tough problem of voltage stability evaluation.

3如何考虑支路故障的随机性，是电压稳定概率评估中比较难以解决的问题。

Then the digital simulation of open-loop impedance control is accomplished, using the impedance curve with this quality factor.

本文运用仿真结果验证了求出的基波阻抗曲线，根据动模实验的结果对本曲线进行反推拟合，推出TCSC动模实验系统中电抗器支路的等效品质因数约为1.9左右。

In Chapter 5 and 6, a suite of calculation method of branch model and their parameters, which can fully consider the effects of various spatial harmonics, is worked out. In the last chapter, the calculation method of the asynchronous starting characteristics of the new type machines at quasi-stationary state have been discussed in details.

第四章则针对变极凸极同步电机的特点，通过对其气隙磁场谐波性质及其作用的分析，得出了若干具有理论和实用价值的结论，在此基础上，第五、六两章则提出并建立了一套能够充分考虑各种性质空间谐波影响的支路模型及其参数计算方法。

I have installed a couple 2nd generation superchargers and found that the bypass valve travel stop set screws were not properly set by TRD and that caused the valves to over travel and stick.

我已经安装一对夫妇第2 产生增压器和发现支路阀门旅行确定的泊车站的螺丝是不正确透过TRD 确定，那对在旅行上方引起阀门以及棍。

Through hydraulic calculation, determines and tests mean friction resistance of riser and horizontal branch circuit of new two-pipe heating system, provides reference for its hydraulic design calculation.

本文分析了新双管系统与传统双管系统的不同，提出了确定新双管系统平均比摩阻联值的方法，并通过水力计算，确定并验证了新双管系统中立管与水平支路的平均比摩阻的取值，为新双管系统水力设计计算提供参考。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。