1) copper bus bar
铜母线
1.
By simplifying the geometry model of the copper bus bar continuous extrusion process,based on a new metal forming simulation package,MSC.
对铜母线连续挤压过程的几何模型进行简化,基于MSC。
2.
In order to investigate the extrusion capacity of extending continuous extrusion for copper bus bar,the extending deformation zone of billet was divided into two separated sub-zones, and the analytic equations about the unit force on the chamber inlet were established by analyzing them respectively with Upper Bound Method.
为了确定铜母线扩展连续挤压的挤压能力,将坯料扩展变形区划分成两个独立的区域,对两个的区域分别采用上限法建立了型腔进料口的单位压力的数学解析式。
3.
In order to investigate the relationships among the expanded extrusion capacity of continuous extrusion for copper bus bar and the billet diameter,friction condition and structure parameters of chamber and die,the expanded deformation zone of billet was divided into two sub-zones according to the deformation characteristics of billet in the expanded die chamber.
为了确定铜母线连续挤压的扩展挤压能力与摩擦条件、坯料直径及腔体模具结构参数之间的关系,根据坯料在扩展模腔内的变形特点,将坯料扩展变形区划分为两个区域。
2) copper bus-bar
铜母线
1.
Numerical simulation of continuous extrusion extending forming for copper bus-bar based on finite volume method;
基于有限体积法的铜母线连续挤压扩展成形的数值模拟
2.
Numerical simulation on copper bus-bar under large extending ratio for continuous extrusion process
铜母线大扩展比连续挤压成形过程的数值模拟
3.
Based on continuous extrusion method to produce copper bus-bar is a new processing method with the merits of saving energy and forming stabilization.
基于连续挤压法加工铜母线是一种成型稳定、节约能源的新型铜母线生产工艺,但大型铜母线连续挤压成形规律尚需深入研究。
3) copper busbar
铜母线
1.
3D-FEM mathematical simulation of CONFORM extending-forming process for copper busbar;
铜母线连续挤压扩展成形过程的三维有限元数值模拟
2.
The continuous extrusion extending forming process for copper busbar was simulated by FEM software DEFORM3D.
基于刚粘塑性有限元理论,采用有限元软件DEFORM3D,对铜母线连续挤压扩展成形过程进行模拟,分析模腔内部金属的流动规律以及温度场、速度场、应力应变场的分布情况。
4) copper-tube bus
铜管母线
1.
This paper analyzes the necessity of applying the insulation copper-tube bus in the substation, compares the copper-tube bus with rectangle bus and aluminum manganese alloy conductor, and expounds the theoretical calculation of the insulation copper-tube bus.
分析了绝缘式铜管母线在变电所应用的必要性,对铜管母线与矩形母线和铝锰合金导体进行了比较,论述了绝缘式铜管母线的理论计算。
5) copper and aluminium busbars
铜铝母线
6) rigid copper bus
硬铜母线
补充资料:均衡母线接线
均衡母线接线
balance-bus scheme
均衡母线接线个发电机一变压器-。黑蓄竺亡尝、整eme,每-,一“~华/‘侧p理迈另一合断改段位到一组公共均衡母线的主接线方式.这种接线是由变压器一线路组接线演变而成,增设了均衡母线,可使各回路间电能均衡分配。也可认为是一个半断路器接线去掉一组母线和一台断路器的简化接线方式。按均衡母线断路器位置,可分为外均衡母线接线(均衡母线断路器接在线路侧)和内均衡母线接线(均衡母线断路器接在变压器侧),分别见图(a)、(b)。┌───┬─────┬────┐ ├挚¨┐│ 1 │.、 │ │ 、│├蛰-%┐ │ │ │ ││ 、│ ├───┬┼─┐├──┴┼──┘ │.臼.- ││ ││} │ │ 班 ││ ││ │ ├───┘└─┘└───┴─────┘ 均衡母线接线 (a)外均衡母线接线,(b)内均衡母线接线 这两种接线方式的共同优点是:①接线清晰.②布置简单。③运行方便,故障影响范围小,运行可靠性较高,尤其对线路物送功率和发电机容量相当,或者输电线路基本送往同一方向或同一变电所时最为适用。共同缺点是:①灵活性差,均衡母线检修,全部解列成各自单独的发电机一变压器一线路组单元运行.②均衡母线上的断路器故障,除影响本回路变压器一线路组单元停电外,其他单元也将解列运行。 外均衡母线接线的优点是:①主变压器的投人或切除比较方便。②一台主变压器故障只开断一台断路器,不影响线路的运行。缺点是:①出线断路器检修将影响发电机变压器组送电。②线路故障需同时开断两台断路器,并需满足并联开断的要求。 内均衡母线接线的优点是:①线路的投人或切除比较方便。②一回线路发生故障时,仅故障线路的断路器断开,不影响其他回路的运行.缺点是:①一台主变压器故障,同时开断两台断路器,并切除一回线路。②主变压器的投入或切除需同时开断两台断路器,并影响线路的运行。 均衡母线接线一般适用于进出线回路数相同,出线负荷较稳定,且负荷基本与发电机容量相一致,并且电力系统允许按发电机一变压器一线路组单元运行的大中型水电站.当电站利用小时数较低,担负调峰任务,主变压器切合频萦时,一般采用外均衡母线接线。
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