Contingency Electrical

Question 1

BEAR Power Unit?

Answer 1

800kW Rating
4160 V
59 gallons/hr @ full load

Question 2

MEP-12A?

Answer 2

750 kW rating
4160 V

Question 3

MEP-806?

Answer 3

60 kW
208/120V

Question 4

MEP-805?

Answer 4

30kW
208/120V

Question 5

Primary Distribution Details?

Answer 5

200A
4160V
Set of 3x cables

Question 6

Secondary Distribution Center Details?

Answer 6

150kVA transformer
3xHV connections

Question 7

Secondary Cable Details?

Answer 7

60A or 200A
208/120V

Question 8

Primary Distribution Panel Details?

Answer 8

25kW or 60kW

Question 9

What are the primary components of a power plant layout?

Answer 9

HV generators, Primary Switching Center, Fuel Bladders, Control & Storage Facilities, Siting considerations (noise, access, security)

Question 10

HV Generators vs LV Generators

Answer 10

HV: efficient, centralized, good for O&M
LV: remote locations, initial operations, back-up

Question 11

Centralized Generation pros/cons

Answer 11

Pros: one focal point for generation
mass generation, all resources at one location, easy to maintain

Cons: easy target, requires many long lines for distribution, slower to initially set-up

Question 12

Decentralized Generation pros/cons

Answer 12

Pros: more efficient
more resilient
easier to make repairs

Cons: much harder to maintain
not as easy to make a network

Question 13

Radial v Loop primary distribution layout?

Answer 13

Radial - no backfeed capability; straightforward; quicker to install; more outage risks

Loop - backfeed capability with parked cables; essential for fault isolation and redundancy

Question 14

Secondary Distribution Center

Answer 14

Transformer that converts 4160V from distribution and big generators to 208V/120V for facilities

150kVA transformer

Each SDC can support up to 16 secondary circuits - generally supports 8

Question 15

Remote Area Lighting System (RALS)

Answer 15

208/120V secondary cable
Lights spaced every 125’