隔离开关

Switching element isolated from medium.

从隔离开关中的元素。

Finally, according to voltage with compute the electric current choose once equipments, including circuit breaker, insulate the switch, fuse, voltage transformer, current transformer, lightning arrester, busbar and electric cable and so on, then according to compute the result of the short-circuit electric current with designs the request to once equipments proceed check to break the ability of flowing and stable degrees of short circuit about moving and hot.

最后，根据电压和计算电流选择一次设备，包括断路器、隔离开关、熔断器、电压互感器、电流互感器、避雷器、母线和电缆等，再根据短路电流计算结果和设计要求对一次设备进行断流能力和短路动稳定度、热稳定度的校验。

Products: electrical categories are: power plant equipment, high-pressure sulfur hexafluoride, outdoor vacuum circuit breakers, power transformers, transformer, lightning arrester, fuse, isolating switch and various electrical components.

经营产品：电器类有：电站设备、高压六氟化硫、户外真空断路器、电力变压器、互感器、避雷器、熔断器、隔离开关及各种电器元件。

Chen rui1,zhou shu-min2(east china institute of technology, 344000 fuzhou, china)abstract: radon chamber is a standard equipment which demarcates radon measure instrument. this paper introduces a high- speed data acquisition card called pci- 8408 based on pci bus, and data collection is controlled automatically by device driver using mcgs.

氡室作为刻度测氡仪器的一种标准装置有着重要的应用，本文利用pci-8408光隔离开关量输入输出接口卡作为数据采集接口，根据采集数据对氡室气路进行控制，并通过mcgs组态软件以设备驱动程序的方式控制继电器的状态，实现氡的自动补给和排放以及氡室内温湿度的智能控制。

6 The secondary winding of every CT should be grounded with one point only through bolting isolating circuit breaker.

3.3.3.9.6.6 每台电流互感器的二次绕组均应仅通过栓接隔离开关在一点处接地。

The choice of the transformer includes: Main transformer use the main technique in number, capacity, model number...etc. in set data of the transformer to really settle; The electricity lord connected the line to introduce primarily the electricity lord connects the linear importance, design according to, the basic request, every kind of merit and shortcoming and lords that connect the line form connects the linear choosing more, the lord that combine to establish the in keeping with my plant the request connects the line; The short-circuit galvanometer is regarded as the most important link, this thesis introduced the calculating purpose in short-circuit electric current, assumption term, general provision, the calculation, network transformation of a parameter detailed, and each calculation etc. knowledge that short circuit order; The choice of the high pressure electricity equipments includes the mother line, high pressure breaks the road machine and insulate the switch, electric current to feels with each other the machine, electric voltage feels with each other the choice principle of the machine, high pressure switch cabinet with request, and proceed to these equipments the school check with the related introduction in product.

变压器的选择包括：主变压器的台数、容量、型号等主要技术数据的确定；电气主接线主要介绍了电气主接线的重要性、设计依据、基本要求、各种接线形式的优缺点以及主接线的比较选择，并制定了适合要求的主接线；短路电流计算是最重要的环节，本论文详细的介绍了短路电流计算的目的、假定条件、一般规定、元件参数的计算、网络变换、以及各短路点的计算等知识；高压电气设备的选择包括母线、高压断路器、隔离开关、电流互感器、电压互感器的选择原则和要求，并对这些设备进行校验和产品相关介绍。

The finite element software is adopted to analyze and calculate the three dimensional electric field of disconnector cabinet.

提出了用虚拟介电常数法和耦合电压自由度法相结合的方法处理1100kVGIS隔离开关中的悬浮导体问题。

In order to reduce the radio interference level of 800 kV EHV AC disconnector, calculations and experiments are carried out, and the measures are given out in this paper.

通过计算和试验研究找到了降低800kV特高压交流隔离开关的无线电干扰水平的途径，对屏蔽环的设计计算作了详细的阐述。

Therefore, the study on the 800kV AC disconnector suitable for high altitude area becomes very important in high voltage power field, and has great value for engineering application.

因此，研制适用于高海拔地区的800kV特高压交流隔离开关是高压电力领域的一个重要课题，具有重大工程应用价值。

Moreover, the use of DCB not only permits the disconnector to be eliminated, but also allows the busbar topology to be improved.

此外，DCB 的使用不仅取消了隔离开关，而且还可以改进主接线方式。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。