E Load Management, Monitoring and Faults

Question 1

What parameters can be seen for an AC network?

Answer 1

Voltage
Frequency
Load

Question 2

What parameters can be seen for an DC network?

Answer 2

Voltage
Current
Load

Question 3

What minor faults will trip the GCB and close the BTB on a split bus system?

Answer 3

Under voltage

Incorrect or unstable frequency

Question 4

On a parallel bus system what happens if 1 out of 4 engines fail?

Answer 4

Remaining generators take up the load without interruption

Question 5

Connection is achieved via a synchronising bus with consideration given to?

Answer 5

Frequency - match
Voltage - match
Phase angle - within 90 degrees
Real/reactive loads - match

Question 6

What does the split system breaker (SSB) on a parallel bus allow?

Answer 6

Connection between 2 synchronising bus bars

When abnormal conditions SSB opens

Question 7

What does ELMS mean?

Answer 7

Electronic Load Management System

Question 8

What does the ELMS do?

Answer 8

Monitor faults

Able to shed loads, inform flight crew and isolate faults