Power module

One of several identical conversion units in a DC charger; together they set its power, and one can fail or be replaced without the others.

Explained in

Charging hardware · Stop 04What is inside a DC charger?Grid protection, power modules, contactors, meter, controller, cooling and the user side: the parts of a DC charger, and why one fault rarely stops all of it.

Many DC chargers are built from identical power modules. That has two consequences:

From “Modules, not one block”, stop 04

Also in

  1. Charging hardware · Stop 05Why do some chargers share power between plugs?Why share at all
  2. Charging hardware · Stop 08Why do chargers fail, and how are they maintained?Five kinds of outage
  3. Charging hardware · Stop 09One charger, fully understoodThe morning in eight moments