7 / 20

Refer to figure.
In the diagram, the component 4 is a…

  • A
    static inverter.
  • B
    battery.
  • C
    TRU.
  • D
    contactor.

Refer to figure.
Component 4 is right between DC ESS BUS and AC ESS BUS. Component 4 will be useful to obtain power supply from the DC ESS BUS if the AC ESS BUS cannot be supplied under normal operation or by the EMER GEN via C4-1 and the two-way switch (component 5).

Therefore component 4 can only be a system that converts DC to AC: static inverter.

Your Notes (not visible to others)



This question has appeared on the real examination, you can find the related countries below.

  • Azerbaijan
    2
  • Poland
    2
  • United Kingdom
    2
  • Spain
    1
Keyboard Shortcut Use Keyboard Shortcuts