TM 55-1930-209-14&P-19
CHAPTER 9 ELECTRICAL POWER SYSTEMS PMCS
Section I. General equipment Information
9-1 Introduction. Chapter 9 contains Preventive Maintenance Checks and Services for the Reverse Osmosis Water
Purification Barge Electrical Power Systems. Operating and maintenance procedures are described in detail in TM 55-
1930-209-14&P-9. TM 55-1930-209-14&P-9, Appendix C also contains complete Preventive Maintenance Checks and
Services for the Electrical Power Systems.
9-2 Major components. The Electrical Power Systems consists of the Normal Electrical System, the Emergency
Electrical System, the 155 kW Ship Service Generators and the 20 kW Ship Auxiliary Generator Set. The major
components for these systems are listed in Tables 9-1 and 9-2. Also listed are basic functions and locations on the barge
for each component.
Table 9-1. Major Components of Electrical Power System
Component
Quanitiy/Function
Location
Switchboard
1 - Controls and distributes
ROWPU space port bulkhead aft
electrical power
Shore power receptacle
1 - Receives power from outside
Stem weatherdeck portside
source
SSG
2 - Provides electrical power
Voids 4 port & starboard
SAG
1 - Provides electrical power
Void 4 starboard
Power panel 1
1 - Distributes 440 Vac power
ROWPU space port bulkhead
forward near door to weatherdeck
Power panel 2
1 - Distributes 440 Vac power
ROWPU space starboard
bulkhead forward of sliding door
Power panel 3
1 - Distributes 220 Vac power
ROWPU space forward bulkhead
Power panel 4 (Barge 1)
1 - Distributes 440 Vac power
ROWPU space starboard
to heaters
bulkhead
Deck lighting panel
1 - Controls electrical power
ROWPU space starboard
for deck lights
bulkhead
Void lighting panel
1 - Controls electrical power
ROWPU space starboard
for void lights
bulkhead near dayroom door
Receptacle panel
1 - Controls electrical power
Workshop aft bulkhead
to receptacles
Ground detector panel
I - Indicates ground in 115 Vac
ROWPU space forward bulkhead
power system
Emergency shutdown
7 - Shut down electric-powered
ROWPU space starboard
equipment or total electric power
bulkhead aft of personnel door
6 - Shut down total electric power
ROWPU space starboard
bulkhead aft of personnel door
Outside ROWPU space starboard
door on weatherdeck
Outside ROWPU space port door
on weatherdeck
Inside ROWPU space port door
to weatherdeck
Outside dayroom door to
weatherdeck
Inside dayroom door to
weatherdeck
Change 1
9-1
