Arcing Measurement System

Best and Fastest solution in evaluating quality of current collection

UNI AMS-03

Real-time NQ (Percentage of Arcing) Analysis in accordance with IEC 62486 and EN 50317 standard

Performance Tester for measuring the performance of current collection between Pantograph and Overhead Contact Line (OCL)

Facility maintenance
– Contact loose position (Hard-spot)
– Arcing time & arcing occurrence per Km
– Maintenance alarm based on damage of arcing

Hardware

Arcing Sensor Enclosure

Module based component enclosure

ARC Sensor
– Calibrated with all requirement of EN50317 by KRRI [Korea Railroad Research Institute] – Measuring wavelength: 220nm ~ 225nm
– Sensitivity test for a field of view over the whole working area of the pantograph : 6% tolerance
– Calibrated in power density unit (μW/cm2)
– Response time: up to 10 μsec
– Insensitive to visible light with wavelength longer than 330 nm

GigE Interface Camera
– Color, 720 x 480 (up to 960 x 600), 25/50 Hz
– EF-S 24mm F2.8 STM lens

Illuminator
– 4900 Lumens utilizing 4 Cree LEDs, 42Watt/3.5A

Certification
– EMI/EMC : EN 50121-3-2
– Shock & Vibration : IEC 61373 (Category1 ClassA)

Arcing Sensor Enclosure

Data Measurements
– Irradiance from ARC Sensor
– Train Speed (AI Voltage or Counter Timer Ch.)
– Pantograph Current (AI Voltage Ch.)
– Video for the pantograph monitoring (GigE)
– TCMS

Built-in Signal Conditioning

Simultaneous DAQ 40k samples/sec (available up to 100k samples/sec)

Industrial measurement controller with Intel i7 6700, Windows7 OS

Data Storage
– 1TB SSD, 4TB HDD
(default, 4TB HDD is sufficient to store test data for 250hours over at 720p 25FPS)

17 inch rack mounted sliding monitor (1920 x 1080)

2000VA / 1300W UPS

Certification
– EMI/EMC : EN 50121-3-2

Software

Real-time Arcing Measurements and Analysis

Online NQ (Percentage of arcing) Analysis with data acquisition in Real-Time
– Synchronized data acquisition with irradiance, video, pantograph current, speed, KP and etc.
– Acquired real-time data display and analysis
– Saving measured raw data, video and analysis
– Automatically generate analysis reports (EXCEL format)

Analysis Item
– Pantograph Current, Train Speed, Max. Train Speed
– Travel Distance, KP (Kilometric Position)
– Distance of effective speed & current
– Number of arcs, Largest arc duration
– Sum of the duration of all arc, Effective Time
– NQ (Percentage of Arcing)
– User Requirements Items ( ex : GPS Data, etc.)

Arcing Re-Analysis

Offline NQ Analysis with changing various parameter
(threshold of the current, speed and irradiance level)

Automatically generate analysis reports (EXCEL format)

Arcing Review

Offline NQ Analysis with changing various parameter
(threshold of the current, speed and irradiance level)

Automatically generate analysis reports (EXCEL format)