失步解列作为保证电力系统安全运行的重要措施，是保证整个电网不致完全崩溃的最后一道防线。
Out-of-step splitting which is an important measure to assure safe running of power system, is the last line of defence to assure the whole power network not to collapse completely.
恰当处理发电机失步振荡，是机网协调的重要问题。
Appropriately control of generator out-of-step oscillation is an important issue of generator-network harmonization.
基于振荡中心漂移的研究，给出了判断失步中心能否落到机组内部的判据。
Based on the study of the movement of oscillation center, a criterion of determining whether the center of out-of-step will lies in the interior of the generator is proposed.
文中介绍了采用静态失步圆特性低励限制的整定原则、计算方法及调试方法。
The paper introduced setting principle, calculation and testing method for the low exciting limit unit using the static out of step characteristic circle.
文中介绍了采用静态失步圆特性低励限制的整定原则、计算方法及调试方法。
The paper introduced setting principle, calculation and testing method for the low exciting limit unit...
所获结果可作为判断电力系统中异步电动机临界失步和临界电压失稳裕度的依据。
The calculation results can be taken as the judging basis for the abundance of motor critical instability and critical voltage instability in power system.
一种步进电机控制装置，通过廉价配置可以电检测步进电机负载并有效防止失步。
A control device for step motor, through low cost configuration can make the electric testing for the load of step motor and prevent braking step effectively.
在每个管间距行程中，步进电机必须有升速和降速过程，这样可以防止堵转、失步并提高效率。
There is an acceleration and a deceleration each movement between two tube columns to prevent step loss and to improve efficiency.
通过对电力系统异步运行状态的分析，提出了利用振荡中心电压的变化特征来判断系统失步的失步解列装置。
Through analysis of the out of step operation of power systems, a new out of step splitting device is proposed.
它能在滑极之前准确预测失步，并具有构成简单和适应性强的特点，因此易于实现，是失步保护的一种实用方法。
The criterion possesses the features of simple configuration and excellent adaptability. Because of its easy implementation it is a practicable method for out-of-step protection.
理论分析和计算结果表明，此方案可以有效降低sdl帧同步的失步平均持续时间，改善了sdl帧同步系统的性能。
The theoretic analysis and computation results show it greatly decrease the mean time of frame loss and amend the performances of SDL frame synchronizer.
在一定控制脉冲频率下，步进电动机可能出现振荡与失步现象，严重影响步进电动机的运行，要严格防止这种情况发生。
When stepping motor works in some pulse frequency, it may have the problem of oscillation and miss of synchronization, so it should be avoided at full steam.
针对传统大型发电机失步预测保护所存在的问题，并根据不同预测原理在实际应用中的优缺点，提出了一种综合保护方案。
This paper presents a comprehensive method based on different conditions after disturbance to avoid the problems caused by the traditional prediction for out- of- step protection.
当启动频率较高时，启动时会造成失步，而停止时由于惯性作用又会发生过冲，所以在步进电机控制中必须要采取升降速控制措施。
When the startup speed is higher, stepping motor will lose steps. While stopping, it will also lose steps because of inertia. So, it needs to take speed control measures on control of stepping motor.
针对永磁同步电动机在他控式变频调速运行方式下的失步和效率问题，通过对功角特性及稳定性分析，提出了一种功角闭环控制策略并详细阐述了该控制策略的理论依据。
In view of this problem, under the analysis of power-angle characteristics and stability, a power-angle closed-loop control strategy was proposed and its theoretical basis was presented in detail.
概述了生物质气一步法合成二甲醚双功能催化剂的热失活、中毒失活的原因及其解决方案。
The causes after the poisoning deactivation and thermal deactivation of bifunctional catalysts for direct synthesis of dimethyl ether (DME) from biomass syngas and the countermeasures were reviewed.
万无一失的训练分哪三步呢？
奎尼匹埃克大学的另一位民意调查员彼德.布朗说，美国民众认为，伊拉克战争得不偿失。他补充说，他们只是对下一步如何走有分歧。
Quinnipiac pollster Peter Brown says Americans have concluded the Iraq war was not worth the cost, but he adds that they remain divided on what to do next.
时间规划就像重力，过多则固步不前，过少则飘然若失。
Time management is like gravity. Too much of it, and we're stuck in place. Not enough of it, and we're lost in space.
随着舰船摇摆频率和幅度的增大，失准角的估计精度会进一步得到提高。
As the frequency and range of sway increase, the estimation accuracy of misalignment angles will be further improved.
以碱法造纸黑液为主要原料，经过一步合成工艺制备钻井泥浆降滤失剂。
The filtrate loss controller for drilling fluid is prepared by one step method using alkaline paper making black liquor as main raw material.
时间规划就像重力，过多则固步不前，过少则飘然若失。
Time management is like gravity. Too much of it, and we're stuck in place.
时间规划就像重力，过多则固步不前，过少则飘然若失。
Time management is like gravity. Too much of it, and we're stuck in place.
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