ELECTRICAL SYSTEM

Question 1

WHAT ARE THE ELECTRICAL POINTS OF GENERATION?

Answer 1

2 ENG GENS
1 EMER GEN, RAT VIA BLUE HYD PUMP
1 APU

Question 2

HOW MUCH POWER CAN EACH GENERATOR SUPPLY?

Answer 2

GEN 1/2, APU 90KVA 115/200 V 400 Hz power
EMER GEN 5KVA 115/200 V 400Hz power

FCOM-DSC-24-10-20

Question 3

WHAT DOES IDG STAND FOR?

Answer 3

INTEGRATED DRIVE GENERATOR

Question 4

AT WHAT TEMP WILL THE IDG FAULT LIGHT COMES ON?

Answer 4

180C

There is a automatic thermal disconnection at 200C

Question 5

WHAT ARE THE NORMAL GEN OPERATING RANGES?

Answer 5

110-120V
390-410Hz
below 110%

FCOM overhead panel

Question 6

WHAT DOES GALLEY SHED MEMO INDICATE?

Answer 6

GALLEY pb-sw is OFF
only 1 GEN operating
On GND A/C being supplied by 1 GEN

FCOM DSC OVERHEAD PANEL

Question 7

HOW MANY APU STARTS ARE ALLOWED?

Answer 7

3 consecutive starts then a 60min wait for a new start

FCOM LIM APU

Question 8

WHAT DOES PRESSING THE “MAN ON” PB ON THE “EMER ELEC PWR” PANEL DO?

Answer 8

Pressing this will manually extend the RAT. Emergency generator coupling occurs 3s after the RAT supplies the emergency generator.

FCOM DSC-24-20