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How to Monitor Battery Health and Temperature

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Data Acquisition System
Data Acquisition System Software
+ Data Acquisition System
+ Data Acquisition System Software
Data Acquisition System
+ Data Acquisition System
Data Acquisition System Software
+ Data Acquisition System Software

Solving temperature-related electric vehicle battery issues with a battery monitoring system

During manufacturing and assembly of electric vehicle battery packs, monitoring the battery temperature at multiple points is critical, demanding precision measurements across many signal types, temperature ranges and multiple channels (usually more than 20). For this reason, a built-in battery temperature management system is required in all electric vehicles. The system serves as a test validation system and helps predict systemic failures, redundancy, and batch traceability during design and manufacturing.

Based on temperature deviation anomalies, the temperature monitoring system quickly warns you of potential battery defects, helps isolate fault locations, and detects thermal imbalances, hotspots, temperature-related performance, and capacity degradations in battery packs. Thermal imbalance is minimized by using a battery management system (BMS) to cell balance, equalize voltages and state of charge among the cells in a battery pack at a full charge.

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Battery health monitoring solution

Battery health monitoring solution

Monitoring battery health requires fast data logging measurements of multiple temperature points. The Keysight Data Acquisition and Multiplexer Switch System (DAQ) enables you to connect one of many different temperature points to a single point, connect to an external instrument, or scan multiple analog signals to the internal digital multimeter. The solution provides data logging temperature measurements that are scalable up to 560 2-wire channels or 640 1-wire channels in a single DAQ mainframe, with a scan rate of up to 1000 channels/sec. Adding in the Keysight DAQ PC software application enables you to graphically set up, configure, and run your test without the hassle of programming.
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