断路器

The influences on gas flow and dielectric strength recovery properties, which are caused by altering the angle of elevation, the dimension and the profile of arc nozzle of SF6 circuit breaker, were investigated.

SF6高压断路器的喷口对断路器开断过程中吹弧气体的流动特性起着控制作用，从而成为灭弧室的心脏。

On the basis of theoretical analysis to interrupting process in low voltage circuit breaker, a chain arc model is set up for ma...

本文对低压断路器的开断过程进行了详细的理论分析，提出了一种低压断路器的链式电弧动态数学模型。

On the basis of theoretical analysis to interrupting process in low voltage circuit breaker, a chain arc model is set up for magnetic field driven arc in arc chamber.

本文对低压断路器的开断过程进行了详细的理论分析，提出了一种低压断路器的链式电弧动态数学模型。

Based on simulation of the circuit breaker, the design of the expert system of circuit breaker is explored.

本文在已有断路器仿真计算基础上，对气吹断路器专家系统的设计进行探讨。

Vacuum circuit breaker is widely used as a new type of the high voltage circuit breaker at present.

真空断路器作为一种新型的高压断路器正越来越广泛的被采用。

In this paper, the principles of operation and protection characteristics of low voltage circuit breaker were discussed.

低压断路器在配电系统中起着十分重要的作用，低压断路器保护特性的实验加深了学生对理论知识的理解，锻炼了动手能力。

High-voltage circuit breaker operating mechanism is one of the most important components of circuit breaker.

高压断路器操动机构是决定断路器操控性能的重要部件之一。

Based on research and analysis on domestic air circuit breaker,a new configuration was designed to lower energy consumption efficiently,and was applied to development of new generation of air circuit breaker.

对国内几代万能式断路器进行了研究和分析，研发出新型结构，有效降低了能耗问题，并在新一代断路器研发中的应用。

Company products are widely used in industrial, petroleum, chemical industry, civil construction and other fields, the main products include circuit breakers, leakage circuit breakers, surge protection, load at isolating switch and fuse group, dual power, soft start , The number of electricity meters and pressure transmitter, and so on, all the products produced by both state-level laboratory type testing, access to the CCC certification, measurement apparatus permits, the Ministry of Public Security sales permits and in 2002 passed the ISO9001 - 2000 quality system certification.

公司产品广泛应用于工业、石油、化工、民用建筑等领域，主要产品有断路器、漏电断路器、电涌保护器、负荷隔隔离开关及熔断器组、双电源、软起动、电力数字仪表及压力变送器等，公司生产的所有产品均通过国家级实验室型式试验，获得了CCC认证、计量器具许可证、公安部销售许可证，并于2002年率先通过了ISO9001-2000质量体系认证。

In the area of power device condition maintenance, research in our country focuses on large devices, such as transformer and dynamotor, but weak in circuit breaker"s condition maintenance and diagnose. There are some problems in the existing on-line monitoring system: a few of monitoring quantity and functions, lacking systemic orgnization and integration, a few of analytic method, and lacking methematic methods and techniques to identify circuit breaker"s running condition.

我国对于电力设备状态检修的研究多集中于变压器，发电机一类的大型设备，对于断路器的状态监测和诊断的研究还处于起步阶段，现有的在线监测系统中普遍存在以下问题：监测量少，功能单一，缺乏系统性和综合性；采用的分析方法少，对断路器的运行状态的识别缺乏有效的数学方法和技术手段。

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。