conventional current meaning in Chinese
常规电流
Examples
- The direction of conventional current flow is counterclockwise .
传统的电流方向是逆时针方向。 - This method avoids the conflict of reliability and security that exist in the conventional current percentage protection
该判据解决了目前常规电流比率差动存在的灵敏度和安全性的矛盾。 - Along with the expanding power network , the fault current has increased greatly . it will bring hidden troubles to the security , stability , credibility of the power system , conventional current limiters gradually show their limitation and ca n ' t fit the request of high power quality
随着电网容量的不断扩大，短路电流水平不断提高，给系统的安全、稳定和可靠运行埋下了严重隐患，传统的限流技术己逐渐显现出局限性而越来越不能适应当今社会对电能质量上的高要求。 - Next , the global system architecture is presented upon the design requirements . due to the fact that constant current is required for driving led , as a result , different from conventional current - mode converter with both output voltage and inductor current feedback loop , the proposed converter adopt dual current feedback loop that both inductor current and output current are detected to provide a stable output current for led
在整体结构设计中,与典型的电流模式采用电感电流反馈环路和输出电压反馈环路不同,本文针对驱动led需要电流稳定的特点,采用双电流反馈环路,即电感电流环路和负载led电流环路,这样就能对负载led电流做出快速响应,通过反馈环路达到稳定led电流的目的。 - 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。