EV For Transportation

Electrical Vehicles for Transportation

The increasing volume of traffic, especially in the city and the need to reduce CO2 emission is today the primary reason to promote public transportation. Electric buses, subways and trains contribute to less city traffic, reduce emissions, and drive with renewable energy independent of fossil fuels. DEWETRON offers the right solution for online power measurements, efficiency calculation and for analyzing mechanical parameters.

POWER ANALYZER 

DEWETRON’s distributed and synchronized solutions makes it easy to test electric trains and buses in real driving applications and on a test bench. Even for testing electrical trains or electrical buses with several traction motors DEWETRON offers the right solution for online power, efficiency calculation and for analyzing mechanical parameters like torque, rotation speed, vibration or environmental parameters such as temperature even for wide spread measurement points. High sample rates, broadband filters, high performance power calculation and additional inputs for CAN and counter turn the DEWETRON solution to the right tool for testing electrical vehicles.

TYPICAL DEWETRON SOLUTION 

• 9 TRIONet Distributed systems
• 4 TRION-1820-POWER-4
• 16 TRION-POWER-SUB-dLV-5V
• 4 TRION-1603-LV
• 1 TRION-CAN
• 1 TRION-VGPS
• 1 TRION-ACC
• Power supply units for clamps and transducers, ±15 V and 9 V
• Current clamps
• Hall transducers up to 1000 ARMS
• Different interfaces and export formats 
• Measurement software OXYGEN with power option

The system allows you to measure voltage  and current of several AC power groups and single phase DC systems. In addition the system provides on-line continuous calculation, display and storage of power quality values (P, Q, S, PF, Efficiency, losses, fundamental frequency) and Power quality parameters of the grid. The real flexibility of the system is in its possibiklity to bundle power and electrical measurement together with other measurements like speed, torque, rotational speed, video, vibration of traction system, temperatures, noise and others.

Results

• Simultaneous analysis of several traction motors, transformers and batteries
• Efficiency calculation of AC/AC and DC/ AC converters
• Synchronized measurement of mechanical and environmental parameters
• Power Quality parameters of train grids, even for special frequencies
• High accurate power analysis with different fundamental frequencies
• Online calculation of efficiency and losses

Your Benefits

• Synchronized measurement of several traction motors
• Simultaneous analysis of multi-power systems (AC and DC motors / converters)
• Efficiency analysis of motors and converters
• Simultaneous acquisition of structural and mechanical parameters
• Position tracking and speed measurement
• Ride and comfort testing
• Analysis of power quality on the grid side

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