3.5 弓网受流性能试验 Current Collecting Performance Test of Pantograph Network
3.5.1 试验目的 Test aim
测试16辆长编组卧铺动车组受电弓运行在试验线路接触网下的受流性能是否满足运行要求。
Verify if the current collecting performance while 16 marshalling sleeper MU are pantograph running under the contact network of the tested line satisfies the running requirements.
3.5.2 试验依据Test reference
1.4 通用标准及依据；General standards and references.
EN50317-2002 《铁路应用－受流系统－弓网关系测试要求及确认》；
EN50317-2002 Railway application Current collecting system Requirement on and confirmation of relational test of pantograph network
EN 50367-2002 《铁路应用-受流系统－受电弓接触网关系的技术标准》；
EN 50367-2002 Railway application Current collecting system Technical standard of relation between pantograph and contact network
TB/T1456-2004 《铁路应用 机车车辆 干线机车车辆受电弓特性和试验》（IDT IEC 60494-1 2002）。
TB/T1456-2004 Railway application Locomotive and cars Characteristic and test of pantograph of locomotive and cars on trunk line (IDT IEC 60494-1 2002)
3.5.3 试验条件 Test condition
1）试验日程Testing schedule
2）受电弓运行方向Running direction of pantograph
京哈线秦沈区段受电弓运行方向见图6.2-1。
Please refer to Fig.6.2-1 for the running direction of pantograph of Qinhuangdao-Shenyang Section of Beijing-Harbin Railway.
2车受电弓Pantograph of No.4 car 12车受电弓Pantograph of No.12 car
Up-going running direction up-going running direction
2车受电弓Pantograph of No.2 car 12车受电弓Pantograph of No.12 car
3.5.5 试验方法Test method
3.5.3.1 弓网接触力测试 Contact force test of pantograph network
在被测受电弓弓头上安装压力传感器，测试动车组运行时的弓网动态接触力性能。
Install pressure sensor on the tested pantograph head, test the dynamic contact force performance of pantograph network during the running of MU.
力传感器安装在尽可能与力接触平面近的位置。测试系统将测量垂向力。测试系统不会对所测的力造成任何影响，不影响受电弓的运行性能，测力传感器的形状和安装个数应根据受电弓弓头的具体情况确定。
Force sensor should be installed at the position near the force contact plane as much as possible. The testing system will measure the vertical force. The testing system will not affect the tested force and the running performance of pantograph. The shape of force measuring sensor and its installation quantity should be determined according to the specific situation of the pantograph head.
3.5.3.2 离线(火花)测定Measurement of offline (sparkle)
在动车组车顶上安装电弧测量仪，测定电弧发生的地点, 统计(火花)测定时间和次数，检出最大燃弧时间。记录不同车速运行状态下的数据, 计算该区间的燃弧率，考核弓网受流质量。
Install electric arc measuring instrument at the top of MU, find out the place of electric arc, count the (spark) measuring time and frequency, and detect the maximum arcing time. Record the data under different running states with different speeds, calculate the arcing rate of this area, and assess the pantograph network current receiving quality.
3.5.3.3 硬点（受电弓滑板所受的垂向加速度）Hard point (vertical acceleration born by slide board of pantograph
在受电弓上安装硬点测量装置，测试受电弓运行时所受的冲击加速度，以此来评价受电弓运行的安全性。
Install hard point measuring unit on pantograph to measure the shock acceleration born by pantograph when running to evaluate the safety of running of pantograph.
3.5.3.4 受电弓滑板运行轨迹（接触线动态高度）Moving trace of slide board of pantograph (dynamic height of contact wire)
在车顶安装激光测距器，动态测量受电弓滑板的运行轨迹。同时测量出接触线动态最大高度，最小高度以及接触线一跨内的振动幅度。
Install laser range finder at the top of train to measure dynamically the moving trace of slide board of pantograph. At the same time, measure the maximum dynamic height and minimum height of contact wire as well as the shake amplitude of contact wire in the first span.
3.5.3.5 受电弓运行状态图像监视Picture monitoring of operation state of pantograph
在动车组车顶安装摄像机，监视弓网运行状态，并与有关测试数据进行图像合成。
Install camera at the top of MU to monitor the operation state of pantograph network and perform image synthesis with relevant measured data.
3.5.3.6 试验数据记录 Recording of test data
各项试验数据用计算机数据采集系统存贮数据，对弓网受流性能试验除用计算机存储数据外，还可用图像合成技术将受电弓运行状态图像与对应的测试数据合成后，录像保存。
All test data is stored through the computer data collection system. For current collecting performance test of pantograph network, besides computer storage of data, the images of operation state of pantograph can be composed with corresponding test data through image synthesis technology, which is tape-recorded to save.
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