selective protection meaning in Chinese
选择保护
选择性保护
Examples
- The circuit breaker protection with a variety of intelligent function , selective protection , precise movements , we can avoid unnecessary power outages and improve reliability
该断路器具有多种智能保护功能，可进行选择性保护动作精确，可避免不必要的停电，提高供电可靠性。 - In order to satisfy the requirements of the selective protection to the power network and to increase the production competition , it has important applications to design the intelligent controller that has intellectual function and reasonable price
为了满足电网选择性保护的需要，适应市场需求及提高产品竞争力，设计出保护功能完善、价格合理的智能控制器具有重要的应用价值。 - This simple , single transport solution lacks the following : end to end protection , non - repudiation , selective protection securing a subset of the message , a robust and flexible authentication mechanism , and provision for message level or end to end secure context
这个简单的、单一的传输解决方案缺少下列特征：端到端的保护、不可抵赖性、选择性保护（保护消息的一部分） 、健壮且灵活的认证机制以及消息级（或称端到端）安全上下文的供应。 - 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。