Fault database
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4 results for “transformer”
DEP-XFMR-TAPSite stack (generic) · Switchgear solo+Wrong tap leaves undervoltage
Wrong tap leaves undervoltage — transformer tap leaves EVSE bus low under load. site-generic field note: keep evidence s…
1 confirmed
ALP-HYC-GRIDAlpitronic · HYC300 · DC Fast Chargers solo+Grid overvoltage
Alpitronic Hypercharger trips on grid overvoltage, aborting active sessions and refusing new ones until the input voltag…
2 confirmed
SWG-XFMREaton · Switchgear solo+Transformer overtemp
The site transformer serving the depot runs into overtemperature right at charging peak — cooling fans are audibly runni…
1 confirmed
SWG-CTEaton · Switchgear solo+CT wiring reversed after CT swap
A current transformer (CT) was recently swapped and its wiring is reversed — metering, load management, or protection sy…
3 confirmed