断路器

Investigate and analyze the existing ACB and MCCB for optimization and improvement

调查分析现有空气断路器和塑壳断路器，使其达到最优化和改进

Investigate and analyze the ACB and MCCB for optimization and improvement

调查分析空气断路器和塑壳断路器使其达到最优化和改进

Minimum of 3 years direct experience with low voltage lectrical distribution products - MCCB's or ACB's.

至少具有三年在一线从事低压电气-塑壳断路器或空气断路器的产品设计的经验。

The impact response of ACB under six different conditions is analyzed in the ANSYS/LSDYNA dynamic simulation environment.

最后，基于ANSYS/LS-DYNA动力学仿真环境，文章探讨了舰用断路器机构抗冲击响应仿真的思路和方法，分析了框架断路器在六种不同工况条件冲击载荷的作用下的抗冲击性能。

The products concerned include:magnetic type intermediate relays, small capacity AC contactors, switching capacitor contactors, fuses with material filled, residual current operated circuit breakers, frame rack type circuit breakers and plastic cased type circuit breakers etc.

涉及的产品包括：电磁式中间继电器、小容量交流接触器、切换电容接触器、有填料熔断器、剩余电流动作断路器、框架式断路器和塑壳武断路器等。

In this paper, associated with the key problem of 550kV SF6 high voltage circuit breaker which is used in GIS of three Gorges project, the mathematical models of static electrical field and one-dimensioned and two-dimensioned gas flow field during the overall breaking process in arc chamber of circuit breaker are developed. On the basis of gas discharge theory, the criteria to judge the interruption success is determined.

本文结合长江三峡550kV GIS中SF6断路器的科技攻关项目，建立了断路器开断过程中灭弧室内静电场、一维气流场、二维气流场的数学模型；根据气体放电的基础理论选定了衡量断路器能否成功开断的标准，并通过一维和二维气流场的有机结合，有效地解决了原二维气流场计算软件无法计算有载开断的难题，具有较强的工程实用性。

According to the technical requirement of 800 kV tank SF6 circuit breaker and aiming at the initial structure of bushing of circuit breaker, the numerical calculation of electric field and analyses of insulating performance were conducted based on the technical and engineering conditions.

以800kV罐式SF6断路器为主要研究对象，根据超高压断路器产品的技术要求，针对断路器出线套管初步设计结构，在满足产品技术条件和工程要求前提下，进行基于电场数值求解绝缘性能分析。

The experimental set for 330kV tank circuit breakers has been set up and the possible factors influence the relationship between the environmental temperature and moisture in SF6 gas.

以西北电网330kV罐式断路器为例，建立实验装置，研究SF6气体压力、断路器罐体大小、20℃时SF6气体中起始水分含量和断路器内固体材料对环境温度与SF6气体中水分含量间关系的影响。

Parameters of self-energy circuit breaker for 252kV50kA GIS are set according to the technical and developing demand of it in this thesis. Vertical arrangement and principle of self-energy arc-extinguishing are selected to develop this breaker.

本文针对252kVGIS用自能式断路器的技术要求，并结合目前252kVGIS的发展要求，确定了断路器的各项参数，并采用立式布置方式与自能灭弧原理设计开发该断路器。

3 A fuseholder or circuit breaker provided as a part of an appliance shall be acceptable for the particular application and shall not be accessible from the outside of the appliance without opening a door or cover, except that the operating handle of a circuit breaker may project outside of the enclosure. A fuseholder shall be so installed that no uninsulated live parts other than the screw shell or clips of the fuseholder are exposed to contact by a person removing or replacing a fuse.

18.3保险盒或电路断路器作为电器的一个零件可被特殊电器所接受，并在电器上的门或盖未打开的情况下，除了电路断路器的操作手柄伸出了外壳，都不能接触到保险盒或电路断路器，保险盒装好，若更换或取走保险时，除了螺钉盖及保险夹可同人体接触之外，不能有其它的导电活动件裸露同人体接触。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。