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Railway Power Analysis & Power System Testing

High-speed and high-channel-count data acquisition solutions for railway testing applications like pantograph and conductor rail testing, short circuit analysis and power system testing.
Picture
Pantograph & Conductor Rail Testing

Train and railways are operated with either DC and AC power. They are operated at different voltage levels (250 V to 66 kV) and different line frequencies (16.7 Hz, 25 Hz, 50 Hz, 60 Hz). The trains get the power whether via a pantograph which is connected to overhead lines or via a conductor rail (3rd rail).

​Testing the power supply system requires a high precision DAQ system that supports a wide range of input signals like voltage, current, acceleration, GPS parameters, CAN-bus data, video and displacement. Especially synchronized video is very important and useful for comprehensive analysis (monitoring connection of pantograph to overhead line, interaction of rails and conductor rail etc.) In addition to the high voltages also the high operating currents up to 8000A are present which require special current transducers (AC and DC).
Picture
Short Circuit Analysis

Short-circuit analysis at railway power supply system is a typical application for the Transient recording function of the Dewesoft Power Analyzer. At the expansion of short-circuits in railway power supply systems it is often assumed that the short-circuit current is split into thirds. 1/3 flows via the return conductor, 1/3 via the rail track and 1/3 into the earth. In reality, the results differ a lot and strongly depends on the ambient conditions (grounding, soil, etc).

Dewesoft power analyzer allows measuring the expansion of the short-circuit with automatic evaluation. Parameters like peak current, AC and DC part of the short circuit, time of the short circuit and a lot more can be calculated. Furthermore, high-speed cameras and thermal imaging cameras can be connected to the system and acquired synchronously for comprehensive analysis.
Picture
Power System Testing

The electrical power for the train systems is either provided by a third rail or an overhead line via a pantograph. Inside the rail, the power has to be transformed to allow the operation of the different equipment. Typically, a train at first transforms the high supply voltage (e.g. 15 kV) down to a lower voltage range (< 1000 V). The power is then further transformed to different voltage levels and inverted to different frequencies (e.g. 16.7 Hz, 50 Hz, 25 Hz, DC).


Picture
Typical Configuration

Short Circuit Analysis
For the typical configuration we recommend R2DB DAQ system configured for:

1 x Voltage
​7 x Current

Highlights
High sampling rate
Raw data storing
Triggering on different channels (analog, digital, math, power, power quality, etc.)
​Analysis at all line frequencies (16.7 Hz, 50 Hz, 60 Hz, etc.)
Picture
Picture
Typical Configuration

Power System Testing
For the typical configuration we recommend R8D DAQ system configured for:

1 x 3-phase power
3 x 1-phase power
3 x DC power

Highlights
Voltages up to 66 kV
Current up to 8000 A
DC and AC power
Video, GPS, acceleration, CAN, displacement, etc.

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  • Home
  • Products
    • DEWESoft Test & Measurement Instruments & Software
    • CAE Acoustic & Vibration
    • PCB Sensors & Instrumentation
    • Endevco Sensors for Challenging Test & Measurement Applications
    • IMI Industrial Vibration Sensors, Switches & Instrumentation
    • OMS Laser Vibrometer & Scanner
    • Resensys Remote Monitoring Sensors
    • Larson Davis Noise & Vibration Measurement
  • APPLICATIONS
    • DEWESOFT >
      • Acoustics >
        • Sound Level Meter
        • Octave Band Analysis
        • Sound Intensity
        • Sound Power
        • Reverberation Time RT60
      • Structural Dynamics >
        • FFT Analyzer
        • Fatigue Testing
        • Modal Testing
        • Shock Response Spectrum
        • Sine Reduction Test (COLA)
        • Bridge Monitoring
      • Monitoring >
        • Condition Monitoring
        • Condition Monitoring Software
      • Vibration Analysis >
        • FFT Analyzer
        • Human Body Vibration
        • Octave Analysis
        • Order Tracking Analysis
      • Vehicle Testing >
        • ADAS >
          • Collision Avoidance Testing
          • Blind Spot Detection Testing
          • Lane Departure Warning & Lane Assist System Testing
          • Adaptive Cruise Control Testing
          • Autonomous Vehicles Testing
        • Brake Testing >
          • Flexible Brake Testing System
          • Brake Testing Calculations
          • Automated Testing Workflow
          • Brake Test System Configuration Examples
          • Supported Automated Brake Testing Standards
          • Free Online Brake Test Training & Resources
        • Brake Noise Testing >
          • Brake Noise Detection
          • Brake Noise Input Channel Configuration
          • Brake Noise Analysis Results
        • Combustion Analysis >
          • In-car and Testbed Data Acquisition System
          • Internal Combustion Engine R & D
          • Simple & Intuitive Configuration
          • Heat Release Calculation
          • IC Engine Knocking Detection
          • Combustion Noise Measurement & Analysis
          • Additional Math Calculations & Statistics
          • Combustion Analysis Features
          • Raw Data Storage, Post Processing & Reporting Capabilities
          • Free Online Training Course
        • E-Mobility >
          • Electric Vehicle Testing
          • Hybrid Vehicle Testing
          • Hydrogen Vehicle Testing
          • Battery Testing
          • EV Charging Analysis
          • Testbed & On-road Testing
          • Synchronized Measurement of Several Vehicle Parameters
          • Exemplary E-Mobility
          • Analyzing Different Driving Situations
          • Charging Profile, Time & Efficiency
          • EMC Test
        • Harsh Environment Testing >
          • Vehicle Environmental Tests
          • Distributed Data Acquisition
          • Heating & Air Condition Testing
          • Climate Comfort Testing
        • Roadl Load Data / Durability >
          • Durability Testing Overview
          • Compact All-in-one DAQ System
          • Powerful DAQ Software
          • Digital Interface to 3rd Party Durability Test Benches
        • Vehicle Dynamics >
          • Vehicle Dynamics Test Suite
          • Vehicle Dynamics DAQ System Overview
          • Standard Vehicle Test Maneuvers
          • Data Processing
          • Vehicle Test Suite Applications
          • Easy Controls for Test Driver
      • Power & Energy >
        • Power Analyzer >
          • Motor & Inverter
          • Power Transformer
          • Standby Power
          • Electrical Equipment
        • Power Quality Analyzer >
          • Railway
          • Renewable Energy
          • Wind Power
    • CAE ACOUSTIC & VIBRATION >
      • First Handheld Sound Camera
      • Simplest Way to Image Sound Sources
      • Room / Building Acoustic
      • Compressed Air Leak Detection
      • SoundCam in Automotive Industry
      • Noise at Construction Site
      • Acoustic Applications
    • PCB PIEZOTRONICS >
      • General Test Labs & Universities
      • Aerospace & Defense
      • Automotive
    • ENDEVCO SENSORS >
      • Aerospace
      • Auto Safety
      • Automotive
      • Infrastructure
      • Laboratory
      • Transportation
      • Weapons
    • IMI INDUSTRIAL SENSORS >
      • Energy
      • PDM & Process Monitoring
    • OMS LASERPOINT & SCANNER >
      • Aerospace
      • Audio & Musical Instruments
      • Automotive
      • Electronics
      • Medical
      • Structural Integrity
  • VIBRATION TESTING & CALIBRATION SYSTEM
    • DEWESoft Vibration Shakers
    • PCB Portable Handheld Shaker
    • IMI Industrial Portable Handheld Shaker & Calibrator
    • ECON Vibration Testing System >
      • Miniature Shaker
      • Air Cooled Shaker
      • Water Cooled Shaker
      • Climate Chamber Combined Shaker
      • Hydraulic Shaker
      • Multi-Axis Shaker
      • Vibration Controller >
        • VT-6 Series Servo-vibration Controller
        • VT-8 Series MIMO Vibration Controller
        • VT-9 Series Vibration Controller
      • Power Amplifier >
        • VSA-L Series Linear PA
        • VSA-H Series Switching PA
      • Slip Table
      • Head Expander
    • Dewesoft & PCB Instrument Calibration Service >
      • DEWESoft
      • PCB Sensors & Instrumentation
  • INFORMATION
    • DOWNLOAD >
      • DEWESoft
      • CAE Acoustic & Vibration
      • PCB Piezotronics >
        • Accelerometers
        • Force Sensors
        • Impact Hammers
        • Microphones
        • Signal Conditioners
      • ENDEVCO Sensors
      • IMI Industrial Sensors
      • Resensys Wireless Sensors
      • OMS Laser Vibrometer
      • Calibration Instruments
    • VIDEOS >
      • DEWESoft
      • CAE Acoustic & Vibration
      • PCB Piezotronics >
        • PCB Piezotronics Virtual Tour
    • TRAINING >
      • Getting Started with DEWESOFT
      • How to Measure Signals
      • How to Analyze Data
      • Case Studies
    • WEBINARS
  • Contact