弧触头
- 网络ARCING CONTACT
![弧触头](../cache/1501984.jpg)
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在触头的整个分断过程中,介质恢复电压最小值始终出现在静弧触头的端部。
During the interrupting course , the station with the minimum of dielectric recovery voltage was always occurred on the head of stationary arcing contact .
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SF6断路器爆炸事故分析和对接式灭弧触头的关系
Analysis of SF_6 CB Explosion and the Relation Between the Accident and the Connected VI Contact
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通过一起SF6断路器的爆炸事故分析,以及在断路器特性参数上发现问题的研究,论述了SF6断路器灭弧触头结构形式的重要性。
Through analyzing the explosion accident of SF6 CB , and studying the characteristic data of the CB , the importance of the structure form of SF6 CB VI contactors is discussed .
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自力型CuW/CrCu整体弧触头的立式熔接工艺是指在立式气氛可控烧结炉内对CuW触头部分与尾部CrCu熔结的过程,是制造整体触头的关键技术。
The vertical bonding process by malting in the key process for manufacturing solid contacts . The contact of CuW was bonded with the tail of CrCu by malting in a vertical atmosphere-controllable sintering furnace .
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主要对均压环、弧触头、主触头、喷口等结构进行了优化及分析,分别进行了讨论。
The structures of the electric field shielding ring , arc contact , main contact and nozzle etc.
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新制作的整体触头可广泛应用于隔离开关、断路器、组合电器中的耐弧触头。
The newly produced CuW CrCu integrated contact can be widely used in separator , breaker , GIS and so on .
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山此可见,在断路器产品的设计时,动、静弧触头端部区域是一个需要重点关注的区域。
So when designing the circuit breaker , the region near the stationary arcing contact and movable contact must be taken more attention .
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当断路器在(合闸-分闸)动作过程中,弧触头先合后分,而主触头后合先分。因此,新型大电流真空断路器开断时主、弧触头之间必然存在电流转移过程。
During the closing / opening of vacuum circuit breaker , arc contact is first closed and post breaking , however , main contact is post closed and first breaking . So there must be the current transfer process .
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在此基础上分别对喷口,最大开距,主触头结构,主、弧触头间结构的配合等参数的改变对断口间电场的影响,进行了讨论。
On the basis above , influences of the parameter changes in nozzle , maximum openning distance , main contact structure , coordination between main contact and arcing one , et al on the electric field between contacts are discussed .
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给真空灭弧室触头之间施加纵向磁场(AMF),有利于抑制真空电弧的收缩,保证在大电流条件下真空电弧仍处于扩散电弧状态。
Axial magnetic field ( AMF ) contacts can prevent the vacuum electric arc from shrinking in the vacuum interrupters , and it can ensure the arc at diffuse arc state when at large breaking short-circuit current .
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真空发电机断路器用真空灭弧室触头电感分析
Analysis on Contact Inductance in Vacuum Interrupter Used in Generator Circuit Breakers
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高电压真空灭弧室触头间长间隙的真空绝缘特性
Vacuum Insulation Characteristics with Long Contact Gaps between High Voltage Vacuum Interrupter Contacts
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真空灭弧室触头弹簧安装位置对分合闸过程影响的试验分析
Experiment Analysis of Influence of Fitting Positions of Contact Spring on Closing and Opening in Vacuum Interrupter
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铁心式杯状纵磁真空灭弧室触头磁场特性
Axial Magnetic Field of a New Cup Type Axial Magnetic Field Vacuum Interrupter Contact With Iron Plates
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阐述了真空断路器的灭弧室触头磁场的结构、永磁机构及种类,详述了真空开关的常见问题与选型注意事项。
This paper describes the magnetic field structure of the contactors in arc-extinguishing chamber , permanent magnet device and the types of vacuum circuit breaker .
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用有限元法对杯状纵磁真空灭弧室触头简化的轴对称模型涡流场进行了分析,给出了触头间隙中纵向磁场滞后时间的空间分布,讨论了触头设计参数对纵向磁场滞后时间的影响。
Eddy current field in cup-type contact of vaccum interrupter with axial magnetic field is analyzed by finite element method with a simplified axial symmetric model .
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对杯状纵磁真空灭弧室触头建立了与实际触头结构完全一致的有限元分析模型,模型中把电弧弧柱处理成圆柱形金属导体。
A finite element analysis model that is the same as an electrode structure of a commercial cup type axial magnetic field vacuum interrupter is built up .
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对无铁芯及两种铁芯结构的杯状纵磁真空灭弧室触头建立了有限元模型,首次对有铁芯的杯状纵磁真空灭弧室进行了三维纵向磁场分布特性的计算与分析。
The finite element model is built for the axial magnetic field of the cup vacuum interrupter contacts without iron core and with two kinds of iron core .
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提出了一种新型铁芯式两极纵磁真空灭弧室触头结构,其间隙能够产生较强且均匀的对称交变纵向磁场。
In this paper a new style bipolar axial magnetic field electrode structure used in vacuum interrupter is presented , which results symmetric alternating axial magnetic field distributing intensively and evenly between the electrodes .
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根据真空电弧理论来改变真空灭弧室触头结构,使其开断时在触头间隙产生磁场的方法来保证真空灭弧室的短路电流开断能力。
According to the vacuum electric arc theory , we can change the vacuum killing arc room touch head structure to produce magnetic field between the touch head interval when it is turned on and off to ensure the ability of opening and shutting the short circuit current .
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弧型电触头C超检测系统自适应聚焦技术研究
Research on the Technology of Adaptive Focusing for Arc Surface Electric Contact Ultrasonic C scan Detection
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本文研究了直流电弧燃孤时间及燃弧能量与触头分离初速度、回路电压及回路电流之间的非线性关系,采用模糊对向网络模型以及模糊C均值算法,给出该非线性关系的模糊建模方法。
This paper studied the nonlinear relationship between the DC arc duration , arc energy and contact breakaway velocity , circuit current , circuit voltage . By using FPC network model and fuzzy C mean method , the method of modeling for the nonlinear relationship was presented .
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采用自适应跟踪探头聚焦轨迹算法研究了自适应聚焦技术,通过控制三维精密工作台实现了弧型电触头钎焊界面的C扫描超声检测。
A novel technology of adaptive focusing that serves to the ultrasonic C scan imaging testing of electric contact brazing interface with arc surface by controlling the three dimensional precision working table , has been developed by presenting the algorithms of adaptive following the tracks of transducer focusing .
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本文通过试验,研究了真空灭弧室中触头间隙击穿的统计特性。
The statistical breakdown property of a vacuum contact has been studied experimentally .
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对上述真空灭弧室纵向触头结构在极限分断电流下的纵向磁场强度及其分布、以及开断电流过零后剩余磁场进行了仿真分析。
According to above vacuum interrupter contact structure , 3-d simulation of axial magnetic field at limit breaking current and residual magnetic field at breaking current zero have been carried out .
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短弧对汽车继电器触头动熔焊的影响
Influence of Short Arc on Contacts Dynamic Welding of Automotive Relay
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通过分析几种用于中压真空灭弧室中的触头结构,探讨了将它们应用在高压真空灭弧室中的可能性。
Several contact structures for medium voltage vacuum interrupters are analyzed and the feasibility of applying them to high voltage vacuum interrupter is researched .
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从分析纵磁场触头结构出发,建立了真空灭弧室纵磁场触头的一种简单实用的数学模型,并结合实践经验,举例说明这一数学模型的应用。
By analyzing the structure of longitudinal magnetic field of vacuum interrupter , a practical mathematical model of longitudinal magnetic contact is established and applied .
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通过计算分析讨论了真空灭弧室线圈式触头产生的纵向磁场的大小与线圈结构尺寸的关系;
In this paper , the relationship between the value of axial magnetic field produced by coil structure contact and the sizes of contact gap often used in vacuum interrupter were calculated and analysed .
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本文对影响真空灭弧室性能的触头结构型式、触头开距、屏蔽罩等因素进行了分析,可为真空灭弧室内部结构的合理设计及改善其性能提供依据。
In this paper , the structure of contact , contact distance , shield design et al , which effect the characteristics of a vacuum interrupter , are discussed , it is referable for a vacuum interrupter 's reasonable structure design and improving its characteristics .