Unit 2 Lube Oil Flashcards

1
Q

How does NESW interact with the unit 2 main turbine lube oil system?

A

It cools lube oil coolers are in tank.

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2
Q

How does turbine lubricating oil cleanup system, interact with the unit 2 main turbine lube oil system?

A
Oil filters are installed in the 
supply lines of the following:
Thrust bearing,
Bearing oil lift pumps,
Turning gear,
Control oil.
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3
Q

What will auto start an Auxiliary lube oil pump?

A

Low lube oil pressure 7#.

Turbine trip.

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4
Q

What will auto start an DC Emergency lube oil pump?

A

Low lube oil pressure 7#.

Turbine trip.

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5
Q

What will auto start an Bearing lift oil pump?

A

Turbine trip.

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6
Q

What are the interlocks associated with the Bearing lift pumps?

A

Auto start on turbine trip.

Trip on 5#

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7
Q

What are the interlocks associated with NESW Cooling to the lube oil coolers?

A

Isolates on a load conservation signal.

Must be manually reset to initiate flow.

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8
Q

What is the purpose of the U 2 lube oil system.

A

Lubricant bearings on the Turbine, Generator, and the Exciter and remove frictional heat.

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9
Q

What are the filter indications?

A

When three or four groves are visible the filter needs clean. When five groves are visible it is internally bypassed.

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10
Q

How does generator seal oil interact with the unit 2 main turbine lube oil system?

A

It’s the suction source for the air oil pumps.

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