Chinese translation for "电流差动"

current differential

Example Sentences:

	1.	In order to solve the existing ct saturation problem which is met in current differential principle , this paper bring forward the new method to discriminate ct ' s saturation based on bd wavelet transformation 针对电流差动原理中遇到的ct饱和的问题，提出了基于bd小波变换识别ct饱和的新方法。
	2.	This paper analyzes detailedly the principles on distributed busbar protection - current instantaneous value differential method , impedance method , and put forward the new method of current fault component phase method , then compares with these methods 本文详细分析了分布式母线保护中的原理?瞬时值电流差动法、阻抗法，提出了电流故障分量相位法的新方法，将这几种方法进行比较。
	3.	Even if the fault spread from external fault zone to internal fault zone , the differential protection can avoid misoperation . main criterion of protection is composite - percentage current differential algorithm according to every sampled value , which can accelerate the protection ' s trip , reduce large amounts of calculation and have strong stability to ta saturation 本文采用基于采样值的比率制动式电流差动保护算法作为保护的主判据，可以明显提高保护动作速度和减少计算量；具有较强的抗ta饱和能力，在区内故障时无制动，区外故障时有极强的制动特性。
	4.	The device can protect start - up status and running status of asynchronous motors by differential protection , over current protection , negative - sequence current protection , zero - sequence current protection , inverse time current protection , under - voltage protection and so on , can measure every kind of electricity , and can process the function of telecontrol , telemetering and telecommunication 其依靠电流差动、速断、负序过流、反时限、零序过流和低电压等保护方法实现了片电动机的运行、启动和自启动过程进行保护，并实现各种电量的计量，同时具有遥控、遥测、遥信的功能。
	5.	Abstract : in this paper , the setting scheme of the current differential protection based on sampled values using fault component is investigated . the setting schemes of the resistance coefficient and the least trip differential current are discussed in detail . the probable protection setting values for the hv transmission lines are described . it testifies the feasibility for the applications of the protection to the hv transmission lines 文摘:对基于故障分量的采样值电流差动保护制动特性曲线的整定方法进行了研究，详细讨论了其制动系数和最小动作电流的整定方法，同时对该保护在输电线路中的应用进行了初步的估算，说明了该保护的优异性能。
	6.	The thesis is focus on the research of the optical - fiber differential current protection that can adapt to the rapidly changing power grid . it mainly contains the following four parts : ( 1 ) theoretical analysis of some operation criterions and some factors that influence the operation of the differential protection . ( 2 ) simulation of a 500kv transmission line using emtp software 其主要内容是： （ 1 ）对影响差动保护灵敏度的各种因素和不同的电流差动保护判据进行了理论分析； （ 2 ）用emtp仿真软件对差动判据进行了数据仿真，并用matlab对输出结果进行了详细的可视化分析； （ 3 ）分析、比较了国内外纵差保护的数据采样同步方法； （ 4 ）对判据进行了实际的编程实现和动模仿真。
	7.	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。

Similar Words：

"电流测量仪表" Chinese translation, "电流测试点" Chinese translation, "电流层" Chinese translation, "电流层动力学" Chinese translation, "电流插入" Chinese translation, "电流差动继电器" Chinese translation, "电流差动继电制" Chinese translation, "电流产生器" Chinese translation, "电流常数" Chinese translation, "电流畅通点" Chinese translation