S&C PureWave Operation And Maintenance page 12

Components and Controls
12 S&C Instruction Sheet 653-506
Transformer bay air inlet hoods
Figure 2. Rear view of a PureWave UPS System enclosure, showing the transformer bay air inlet
hoods.
As shown in Figure 1 on page 11 and in Figure 2, the enclosure consists of the following bays:
• Battery bay
• Control bay
• Transformer bay
Battery bay - Each battery bay contains a 250-kW battery module and a power conversion
module (PCM) section. The PCM section contains the PCM, which is comprised of one inverter
module consisting of power-conversion electronics and controls. The PCM is panel-mounted
and supported by a welded and bolted steel structural base. See Figure 3 for a view of the
battery bay.
Battery
Figure 3. View of the battery bay (with the door open).
Transformer bay
Power conversion
module (PCM)