EVC Research & Development

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Tag: A2933406800

EQC ZF eDrive repetative failure – SiC seal wrong technology

By Strom Trooper

Front Drive Unit Failure – Mercedes EQC We are once again seeing the same repeating failure pattern on ZF asynchronous induction motors: coolant intrusion through the SiC mechanical seal. Although induction motors are, by design, more durable and more sustainable than PMSM units (in terms of serviceability and long-term stability), several OEMs (Audi, VW, Mercedes)…