WI Socialization - Part Load Efficiency Heater System

PLE is abbreviation of ...

• Plant Load Efficiency

• Part Load Energize

• Plant Load Energize

• Part Load Efficiency

Following the work instruction, what are the hazard(s) if we want to operate this system?

• Heat

• Falling down

• Pressurized water

• Slippery

How much setpoint of flow for PLE Heater?

• 96.5 m3/h

• 97 m3/h

• 97.25 m3/h

• 97.5 m3/h

What is the right steps to start up PLE system?

1. Ensure related operator open PLE heater drain manual valve HV132 until water come out, then close it

2. Ensure no system fault on the system

3. PLE heating will start heating automatically (TCV hot water will open and control) when the GT PLE Heater permissive is fulfilled

4. Ensure BOP water filling permissive has been fulfilled

5. Select “ENABLE” button on HMI

6. PLE automatically command “PLE heater filling” (PLE heater will start to fill automatically; TCV cold water will open and control)

7. Ensure PLE heater running in normal condition

• 2 - 4 - 5 - 6 - 1 - 3 - 7

• 4 - 5 - 6 - 1 - 3 - 2 - 7

• 4 - 2 - 5 - 6 - 1 - 3 - 7

• 2 - 4 - 5 - 1 - 3 - 6 - 7

What is the pop up/display that shows on the picture?

• GT PLE Start Up Permissive

• GT PLE Heater Filling Permissive

• GT PLE Heater Heating Permissive

• GT PLE Shutdown Permissive

When PLE heater filling, it will be filled by cold water.

• True

• False

What is the pop up/display that shows on the picture?

• GT PLE Start Up Permissive

• GT PLE Heater Filling Permissive

• GT PLE Heater Heating Permissive

• GT PLE Shutdown Permissive

When PLE heater heating, it will be filled only by cold water.

• True

• False

What condition(s) the PLE Heater would be shutdown automatically?

• ST not in IPC mode

• CEP(s) inservice <2 units

• Operation disabled by selecting "DISABLE" at Heater Control on HMI

• Plant Load >37%

PLE Heater can be stopped/shutdown manually (remotely/DCS).

• True

• False