速动性

保护算法在Matlab仿真和试验中都验证了保护装置的可靠性、速动性、选择性、灵敏性。

In the course of MATLAB simulation and experiments , the device is proved to be of security , quickness , selectivity , and delicacy .

仿真实验表明，该控制器与常规PID控制器相比具有超调量小、速动性好的特点。

The simulation results show that this controller has the advantages of short adjustment time , small overshoot and strong robustness over regular PID controller .

基于故障后产生的高频暂态分量的继电保护&暂态保护，能很好地解决EHV线路传统保护速动性和可靠性之间的矛盾。

Fault generated high frequency transient components based power system protection-transient based protection can do well in settling the conflict between speediness and reliability in traditional protection for EHV transmission line .

随着电网对安全性要求的提高，对电力变压器保护的速动性、灵敏性、可靠性要求也越来越高。

The speed , sensitivity and reliability of transformer protection improve with the higher requirement of the power system security .

实验证明，智能电子熔断丝能够克服传统继电保护存在的不足，满足继电保护装置的可靠性和速动性要求。

Experiment proved that the intellectual electronic fuses can overcome dificiency of traditional relay protection , meet the requirements of reliability and speedy .

单一的差动保护判据无法兼顾超高压长线保护对灵敏性、速动性和可靠性的要求。

Single differential criterion can 't satisfy the special requirements of long UHV transmission line for the sensitivity , speed and reliability of protection .

电流差动保护由于灵敏度高，能适应各种复杂运行状态，且具速动性，因而成为超高压线路首选的主保护。

Current-differential protection has become a kind of main protection selected firstly in EHV transmission line as it is with high sensitivity and suitable for various complex operation states high-speed activity also .

电网的继电保护装置能否稳定运行对整个电力系统的稳定性有着至关的重要性，因此对于继电保护的速动性、灵敏性、可靠性等性能指标的要求更为苛刻。

Whether the relay protection device can function steadily is very important to stability of the whole system . So the sensitivity , stability and celerity of relay protection call for more strict requests .

基于流体动力机械控制系统的仿真结果表明，复合控制策略能有效改善被控对象的动态性能，增强其适应参数变化的能力，具有较好的速动性和鲁棒性。

The digital simulation results of the hydraulic turbine regulation system indicate that the hybrid control strategy can improve the dynamic performance and strengthen the adaptive ability to real-time parameters with fast response and strong robustness .

失磁保护普遍采用异步阻抗圆、转子低电压及逆无功为主判据，当运行工况改变时，可能降低保护可靠性和速动性。

The Excitation-loss protect usually use asynchronous impedance circle , rotor low voltage and Inverse reactive power protect as main criterion . When the operating condition changes , it may debase the reliability and speed of protect .

动模实验表明，新保护装置可靠性高、速动性好，尤其在某些传统保护无法判别的特殊工况下，新装置具有优异的性能指标，可满足超高压系统的要求。

The dynamic simulation test shows that the new protection possesses high reliability and good speed , especially , under the situation which cannot be distinguished correctly by traditional protective relaying method the new protection has excellent performance and can satisfy the demand of UHV system .

文中通过跟踪故障发生过程中电气量的变化特征，研究和评判继电保护的性能，确保整定配置满足继电保护的可靠性、选择性、速动性、灵敏性的基本要求。

The capability of the relay protection is studied and judged by tracking the feature of electrical variables during the course of fault happening to make sure that the setting satisfies the basic requirement of reliability , selectivity , speed and sensitivity for power system relay protection .

由于电网运行方式的多样性，继电保护定值可能不能完全满足可靠性、灵敏性、选择性、速动性的要求，不可靠的保护定值难免会引起保护误动，进而造成大规模的停电事故。

Because of the diversity of the operation mode of the grid , the setting of protective relaying may not fully meet the reliability , selectivity , speed and sensitivity . The protection setting unreliable will inevitably lead to protection malfunction , and cause large-scale power outage .