Cell voltage monitoring system targets series hydrogen vehicles

November 20, 2019 //By Christoph Hammerschmidt
Cell voltage monitoring system targets series hydrogen vehicles
Smart Testsolutions’ new cell voltage monitoring CVM G5S system has been designed for use in series production vehicles. With the new product, the Stuttgart (Germany) based company is complementing its range of laboratory equipment. The CVM G5S measures and monitors the individual cell voltages in fuel cell stacks.

Just a few months ago, Smart presented the fifth generation of its cell voltage detection systems. This has been optimized for use in research and development applications. The CVM G5S, on the other hand, is intended for use in vehicle series. The performance features are limited to the range of functions actually required in series production. In addition, as a single board solution, the product offers a quantity-dependent cost advantage and more robustness in continuous operation.

Like the fifth generation CVM modules, the CVM G5S measurement modules can be used at ambient temperatures up to 105°C and are equipped with a wide input range for supply voltages from 4.5 to 32 volts. They can thus be operated directly from a 12- or 24-volt mains. A measuring module can acquire and monitor up to 200 individual cell voltages synchronously, the modules can be cascaded.

"With the CVM G5S, we are extending our range of Cell Voltage Monitoring products to include use in production vehicles. Our customers benefit from the common toolchain of our products", reports Markus Schuster, Business Development Manager e_Cell Electronics at Smart. This joint toolchain enables a direct transition from research and development to series production without integration effort.

The toolchain includes, for example, the controller module with a web-based, intuitive user interface. This allows users to visualize several hundred channels massively in parallel and, for example, to observe fuel cell stacks in real time. Another advantage of the web interface is that it makes the entire monitoring system independent of the PC. All that is required is a terminal device running a browser, while the entire CVM software runs on the controller module of the CVM system. Data can be transferred wirelessly via WLAN.

The Cell Voltage Monitoring range is supplemented by cell contact units that require particularly little installation space.

More information: https://www.smart-testsolutions.de/en/


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