EMERGENCY POWER FUNDAMENTALS (US 304) Flashcards Preview

EIDW Must Pass Topics > EMERGENCY POWER FUNDAMENTALS (US 304) > Flashcards

Flashcards in EMERGENCY POWER FUNDAMENTALS (US 304) Deck (14)
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1
Q

Non Critical Power?

A

Station load fed directly from local utility company.

2
Q

Emergency Power?

A

Used to replace the local utility supply during a power outage.

3
Q

Critical Power?

A

Any system or station load that has been identified as mission critical and must have continuous Uninterruptable Power Supplies.

4
Q

Uninterruptable Power Supply (UPS)?

A

A system which stores electrical power for use during a power outage. These systems come in many shapes and sizes to include the small units normally placed under desks to large units the size 5-10 server racks.

5
Q

Parallel Redundant System?

A

A system in which two units share the entire system load. At no time will the entire system be allowed to exceed the capacity of a single unit. In the event of a single unit failure, the second unit is designed to remain online and carry the entire system load.

6
Q

Emergency Diesel Generator?

A

A system using a diesel prime mover and an electrical generator to produce electricity.

7
Q

Main Switch Gear?

A

A large cabinet that allows us to take one or more power inputs and distribute them to one or more devices. Similar to the way a network switch allows one data connection to be shared between multiple devices

8
Q

Emergency Breaker?

A

A main breaker used to tie the EDGs at Satcom to the MSG.

9
Q

How long without input power does it take for the Generators start at NCTS?

A

After 5 seconds without input power to the station, the gens will start.

10
Q

How long without input power does it take for the Generators start at Satcom?

A

After 10 seconds without input power to the station, the gens will start.

11
Q

State the time allowed for the EDG to assume a power load with loss of local power.

A

NCTS Naples -18 seconds

SATCOM - 20 seconds

12
Q

Number of fuel tanks at NCTS and Satcom?

A

NCTS Naples - 6 – 4000 gal. Main Tanks, and 4 Day Tanks. Fuel supply will last for 7 days at full load if all tanks are full.

SATCOM - 2 - 4000 gal. Main Tanks, and 2 Day Tanks. Fuel supply will last for 7 days at full load if all tanks are full.

13
Q

Number of Uninterruptable Power systems at Satcom and NCTS?

A

NCTS Naples – 5 (2-Paralell Redundant Systems/1-60Hz Bypass)

SATCOM - 2 (1-Paralell Redundant Systems)

14
Q

Max. Load Capacity at NCTS and Satcom?

A

NCTS Naples – 120/208VAC 60 HZ @ 320KW/400KVA

SATCOM - 120/208VAC 50HZ @ 360KW/400KVA
120/208VAC 50 HZ @ 320KW/400KVA