FWP & FWPT Lube Oil

Question 0

Describe the AC powered lube oil pumps.

Answer 0

4 stage dual discharge pumps

Question 1

What does the FWP / FWPT lube oil system supply?

Answer 1

Oil to bearings on the pump and turbine and control oil to the turbine control system.

Question 2

What does the DC emergency lube oil pump supply?

Answer 2

It only supplies oil to the bearings, NOT the control oil system

Question 3

What major components make up the FWPT FWP lube oil system?

Answer 3

Oil reservoir
Main oil pumps
Emergency lube oil pump
Oil coolers
Vapor extractor
Oil separator
Servo filter

Question 4

Where are the lube oil pumps located?

Answer 4

In the reservoir with the motors mounted on top of the reservoir.

Question 5

What does the low pressure discharge of the lube oil pump supply?

Answer 5

Pump and turbine bearings

Question 6

What will cause the second FWP FWPT main lube oil pump to start?

Answer 6

Low header pressure will start the standby pump if it’s in auto.
There is also a test push button locally and in the control room

Same for ELOP

Question 7

What cools the FWP FWPT lube oil coolers?

Answer 7

TC with one cooler in service at a time.

Question 8

What automatic feature is associated with the lube oil filters?

Answer 8

There is an automatic bypass feature that prevents a filter from shutting off oil to the bearings due to clogging

Question 9

How many vapor extractors are there?

Answer 9

2, one for each feed pump.