Misc Ventillation Flashcards
Purpose of the miscellaneous building ventilation system?
To pass sufficient air at the proper temperature through various rooms and areas in the turbine building and aux building
-cool and heat equipment
-remove vapor or gases
-remove radioactivity
-provide operator comfort
Number of fans in the turbine building?
15 supply fans , 4 exhaust fans that discharge and exits out the roof in the turbine building
Equipment in the communications room?
1 supply fan and 1 chiller
Purpose for turbine switchgear ventilation and equipment?
6 supply fans to keep vital switchgear and CSR to less than 103deg F
Purpose of aux building switchgear and equipment?
1 supply and exhaust fan, 1 cable spreading room ac unit at 68deg f, designed to 72+- 5, keeps battery rooms <=89degf and >=60degf and <2% H2.
Purpose for cable spreading room ventilation?
Maintains temp 77degf and humidity for instrumentation and controls in Eagle 21 cabinet. Provides increased ventilation to the ppc inverter room.
Aux building inverter and switchgear purpose?
Keeps vital switchgear to <=103 degf.
E-43/44 auto starts
If in auto, if S-43/44 start it close either E-43/44 contactors
S-43/44 auto starts stops
If in auto, if the opposite supply fan damper closes, S-43/44 contactor will close after a 60 second delay.
If in auto, if the supply or exhaust flow less than setpoint, contactors will open after 180 sec delay after initial start