philippi Academy

Glossary
In short

Terms from vehicle electrical system technology, each defined in one to two sentences and supplemented with practical implications: typical values, units, formulas, and the most common mistake associated with each term. Sorted from A to Z, searchable, with each entry linking to a detailed technical article.

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How the Entries Are Structured

Each term begins with a one-to-two-sentence definition—concise enough to be quoted. Below that, you'll find practical implications: typical values, common confusions, and the most frequent mistake made with that term. Where a quantity is meant, the unit is included; where a formula is involved, the formula is provided.

Why a Dedicated Glossary

Vehicle electrical systems are full of terms that are taken for granted in datasheets and used inconsistently in forums. Ampere-hours and watt-hours are confused, depth of discharge and state of charge are equated, potential equalization and ground are lumped together. These ambiguities are not a matter of language—they lead to incorrectly designed systems.

From Term to Depth

Where a term deserves more than just a definition, the entry refers to the specialist article that elaborates on it—and to related terms within the same context. The glossary thus serves as an entry point into the academy, not merely an appendix.

philippi Engineering — Engineering department, philippi elektrische systeme GmbH

Written and technically reviewed by the engineering department of philippi elektrische systeme GmbH in Remseck am Neckar. If a standard or a product specification changes, the article is revised and the review date updated.

Development, manufacture and testing of on-board electrical components for over forty years

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