English translation for "pilot protection"
|
- 引线保护装置
纵联保护,引线保护
Related Translations:
- Example Sentences:
| 1. | A misoperation accident of zero sequence pilot protection happened recently in the guangdong power network due to the influence of zero sequence mutual inductance between power lines is analyzed in this paper
本文分析了一起在广东电网近期发生的由于线路零序互感影响而导致的纵联零序保护误动事件。 | | 2. | Here , both electric current protection and distance protection neither be able to satisfaction require , whereas none but pilot protection could realize complete line rapid trip off , the stability and bump feeding power , reduce fault bring about " spoil degree , improvement cooperateing performance with backup protection
此时，电流保护和距离保护都不能满足要求，而只有纵联保护可以实现全线速动，因此它可保证电力系统并列运行的稳定性和提高输送功率、缩小故障造成的损坏程度、改善与后备保护的配合性能。 | | 3. | The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability , but also the necessary precondition of enhance power system stabilization , to remove faulty line quickly and accurately , also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple , reliable and good - selective protection manner to any variety of transmission lines , power system development needs current differential protection apply to transmission lines , moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly , the paper discusses , analyses the research and application transmission line protection in detail , compare the principle and realistic presupposition of general line pilot protections secondly , because conventional current vector differential protection are influenced easily by load current and transitional resistance , in order to at the same time quicken protection act , the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied , results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability , sensitivity and anti - saturation of current transformer in addition , synchronous current sampling methods at all terminals of line is analyzed and estimated lastly , the principle and criterion . also device design about current sampling values differential protection based on optical fiber communication , which apply to short transmission lines are concretely investigated ,
基于基尔霍夫定律的电流差动保护无论对于何种形式的输电线路都是一种简单、可靠、选择性强的保护形式，电力系统的发展使得电流差动保护应用于线路保护成为需要，而电子、通信技术的发展使得电流差动保护应用于输电线路成为可能。首先，本文对目前线路保护的研究和实际应用情况进行了讨论和分析，比较了常用线路纵联保护的实现原理和实现条件及优缺点。其次，针对常规相量电流差动保护易受正常负荷电流和故障过渡电阻影响的缺点，同时为加快差动保护的动作速度，对基于故障分量瞬时采样值电流差动保护的原理、判据、动作特性等作了讨论和分析，结果表明基于故障分量瞬时采样值电流差动保护在可靠性、灵敏度、抗电流互感器饱和方面明显优于常规相量电流差动保护，对电流差动保护各端的同步采样方法和数据通信也进行了分析和评价。 | | 4. | Based on both quantitative calculation and theoretical analysis , the magnetically strong and electrically weak connection of power networks and its impacts on the behaviors of zero sequence pilot protection are studied in detail , the reasons and characteristics of the misoperation are summarized , some typical power network topologies that are prone to misoperation are analyzed , and several countermeasures for eliminating the influences of mutual inductance on zero sequence pilot protection are proposed for the sake of the increasingly meshed power networks
从定量计算和理论分析的不同角度，本文深入研究了强磁弱电联系的网络关系及其对纵联零序保护动作行为的影响，总结了保护误动原因和特点，分析了可能发生误动的典型电网结构形式，并针对当今越来越紧密联系的电网，提出了几种解决互感对纵联零序保护动作行为影响有效的措施。 |
- Similar Words：
- "pilot program" English translation, "pilot programme market maker" English translation, "pilot programme securities" English translation, "pilot project" English translation, "pilot projects" English translation, "pilot protection using distance relay" English translation, "pilot protein" English translation, "pilot pulse" English translation, "pilot punch" English translation, "pilot purchasing" English translation
|
|
|
