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Exploring Tesla Model S High Voltage Cabling

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When he’s not busy together with his day job as professor of pc and automotive engineering at Weber State College, [John Kelly] is a prolific producer of academic movies. We discovered his video tracing out the 22+ meters of high voltage cabling in a Tesla Model S (beneath the break) fairly fascinating. [John] does warn that his movies are extremely detailed and is probably not for everybody:

This isn’t the Disney Channel. If you’re seeking to be entertained, this isn’t the channel for you.

We ignored the warning and jumped proper in. The “excessive” voltages within the case of an electrical automobile (EV) just like the Mannequin S is roughly 400 volts. Briefly, exterior enter by way of the cost connector could be single or three part, 120 or 250 VAC, relying in your area and charging station. This get boosted to a nominal 400 VDC bus that’s distributed across the numerous automobile methods, together with the motors and the battery pack.

Rear Modules

    • Cost receptacle
    • On-board charger module
    • Fast splitter
    • Rear motor inverter

Entrance Modules

    • Excessive voltage junction block
    • Cabin air heater
    • DC to DC converter
    • Battery coolant heater
    • Air-con compressor
    • Entrance motor inverter

He goes by every module, exhibiting intimately the ability routing and performance, finally assembling the entire system spanning two work benches. We appreciated his dive into the computer-controlled fuse that lately changed the usual fashion one, and have been impressed together with his thorough use of labels.

When you’ve ever been curious concerning the excessive voltage distribution of a EV, seize some popcorn and take a look at this video. Glancing by his dozens of playlists, [John]’s channel can be a great place to go to should you’re any matter associated to hybrids and electrical automobiles, drive trains, and/or transmissions. We’ve written about some Tesla teardowns earlier than, the Model 3 and the Model S battery packs. Have you ever labored on / hacked the excessive voltage system in your EV? Tell us within the feedback beneath.

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