The capacitance, breaking model, stable time of the oil-water thin liquid membrane built by vacuum residue fractions from Daqing ( DQ) and Iranian ( IL) crude oils were studied by bi-layer lipid membrane ( BLM) method. 采用双分子类脂膜实验装置研究了大庆减压渣油与伊朗轻质减压渣油馏分的油-水薄液膜的膜电容(膜厚度)、排液-破裂方式、膜稳定时间(膜寿命)。
Research of Breaking Performances of Low-Voltage Vacuum Arc 低压真空电弧分断性能的研究
High efficiency atomizer and foam breaking device of vacuum oil purifying machine 真空净油机高效雾化器和防泡沫装置
Discussion on breaking capacity of vacuum circuit breaker with double breaks 双断口真空断路器开断能力的探讨
This paper studies the arcing and post-arcing medium-intensity recovery of vacuum arcs during short-circuit breaking of a vacuum interrupter by measuring the dynamic charge waveforms of the relationship between shield potential, arc voltage and recovery voltage. 本文通过测量真空灭弧室中屏蔽罩电位与电弧电压和恢复电压关系的动态变化波形,探讨真空灭弧室在短路电流分断过程中,真空电弧的燃弧规律和弧后介质强度恢复规律。
Using an exact cosmological solution of a simple model it is shown that the breaking of symmetry in the vacuum state may be due to cosmological effects. 本文通过一个简单模型的严格的宇宙学解说明:真空态的对称性破缺可能是一种宇宙学的效应。
Study of Breaking Capacity of Axial Triggered Vacuum Switches under High Frequency Current 纵磁触发真空开关高频电流开断能力的研究
In the course of making, erosion on the surface of electrode is more uniform as well, so it is good for improving the breaking capacity of vacuum interrupt. 在开断过程中,电极表面的烧蚀也越均匀,有利于真空灭弧室开断能力的提高。
Talking passing and breaking control in road system of the vacuum sterilizer 谈真空灭菌器中管路系统的通断控制件
The closing and breaking performance of vacuum circuit breaker is satisfactory through design and debug of the coil and spring. 该永磁机构采用了圆柱形双稳态永磁机构,并通过对线圈和弹簧的设计与调试得到了满意的断路器分合闸性能。
Experimental study of specifications and current breaking capacity of triggered vacuum switch 真空触发开关性能指标及开断特性的试验研究
The breaking properties of Vacuum interrupter are closely related to its electrode structure, contact material and axial magnetic field between electrodes, the analysis and study of these effects are presented in this paper. 真空灭弧室的分断特性与触头结构、间隙纵向磁场及触头材料有密切的关系,本文对此进行了分析和研究。
Discussion on Breaking Reasons of Vacuum Pump Axle 真空泵主轴横断原因小议
Compared with the simulation results, the significant factors for breaking capacity of the multi-break vacuum circuit breaker depend on the simultaneously interrupt of the operating mechanism and the voltage sharing between the two breaks. 实验结果与仿真结果对比后可知,多断口真空断路器能否成功实现分断,主要因素取决于操动机构的同期开断能力和两个断口间的电压分布均匀程度。
In this paper, during the breaking process of vacuum circuit breaker, a model of current transfer is used in the investigation of current transfer, and the maximum possible current transfer time when breaking short circuit current is obtained. 本文建立了真空断路器开断过程中电流转移模型,并进行了电流转移过程分析,得到新型大电流真空断路器开断过程所需最大可能电流转移时间。
Currently, the vacuum interrupters widely used are designed with axial or radial magnetic field structure to improve the breaking capacity of vacuum circuit breaker. 目前应用较广泛的真空灭弧室均采用纵向或横向触头磁场结构,以提高真空断路器的极限分断能力。
The breaking capacity and insulation strength of Vacuum circuit breaker are also related to vacuum degree. 真空断路器的分断能力以及绝缘强度和真空度有着密切的关系。