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Ultralife Powers Pipeline Inspection
Ultralife has been powering pipeline inspection gauges for many years now. The gauges, called PIGS, are sent thru pipelines carrying anything from water to petroleum to chemicals – and are used for preventative maintenance, such as detecting leakage. Depending on the size of the pipeline, the gauges can be very small or rather huge. With sophisticated test equipment and long duty cycles, they need very specialized batteries to keep them running.  For one very demanding application we manufacture a battery pack that contains 140 D cells! It is a 30 V unit with 16 individual 30 V strings that in total provide 4,410 Wh or 147 Ah. The pack uses one string to provide power until drained, then moves on thru the remaining strings.
Each string has its own redundant protection circuitry that enables the battery to continue powering the PIG if one of the strings has a fault. Building a 140 D cell pack is a complex engineering feat that was daunting at first. But with our extensive knowledge of cell manufacturing, advanced circuitry expertise and a custom pack assembly lab – it turned into a challenge, and a victory. If you have a challenging application like a pipeline inspection gauge, you’ll need to work with Ultralife early on in the design phase to develop an appropriate power solution. Start HERE, with our Custom Battery Request Form. Once completed our team of applications engineers will review and contact you with recommendations. |
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