Page 32 - Offshore Electrical Engineering Manual

Distribution Configuration 19

Water injection
module switchboard (added)

Gas compression
module switchboard
(added)
LV production
switchboard

Accommodation
Emergency switchboard
switchboard
Main generator auxiliaries
FIGURE 1.2.1
System arrangement on an earlier installation, consisting; main 6.6 kV switchboard; two 15
MW gas turbine generators; smaller 6.6 kV switchboard with two 2.5 MW gas turbines.

Main
generators
25 MW
To drilling 13.8 kV Main switchboard
switchboard oil production/export

13.8 kV Gas compression/export
switchboard
4.16 kV
Sea water lift
and cooling pump
switchboard
440 V 440 V
Production Emergency
switchboard Accommodation
switchboard switchboard
440 V
FIGURE 1.2.2
Scheme where the main switchboard consists: single section switchboard fed by two 24 MW
gas turbine generators, each capable of taking the entire platform load including drilling.