Uninterruptiable Power Supply (NQ) Flashcards
1
Q
What equipment is part of NQ system?
A
Static Transfer Switch
Inverter
2 isolation transformers
2distribution panels(NQN-D01&NQN-D02
2
Q
Where does NQN-D01 get its normal power from ?
A
Gets normal power from NKN-M45 bus and goes through inverter to convert 125DC—>120VAC
3
Q
What is normal flow path for NQN-D02?
A
From non class 480VAC MCC, through transformer to step down to 120VAC
4
Q
What is alternate flow paths for NQN-D01?
A
From non class480VAC MCC (primary alternate)
OR
SIAS 480VAC MCC M72 (alternate-secondary)
5
Q
What is the static transfer switch used for in NQ system ?
A
Used to transfer supply power from normal path to the alternate power supply path
