Specifications

25
Generators
DC Generator System
AlphaGen
™
Consult your Alpha representative for P/N configurations
Nominal Specifications
Model: .....................................7.5kW
DC output voltage: .................52.0V ±0.5V @ no load 48V configuration
104.0V ±0.5V @ no load 96V configuration
DC output load regulation: ......0.5V
Output current: ........................ 52.0V @ 144A max
104V @ 72A max
Engine: .................................... 624CC, Air cooled, Twin OHV 15hp
(using natural gas fuel)
RPM: (variable speed): ........... 2800 to 3600RPM
Acoustical noise
dBA 10' @ 100% rated load: ... 70.3Ave
dBA 20' @ 100% rated load: ... 64.3Ave
dBA 10' @ 70% rated load: ...... 66.4Ave
dBA 20' @ 70% rated load: .....60.4Ave
Performance / Features
Gas inlet pressure: ............ 0.5 to 2 PSI inlet pressure (see note 1)
Ign charger
Voltage: ..........................13.5Vdc
Current: ........................... 6A max
Remote interface length:
• 75ft max
• Distance depends upon proper installation, de-rating and wire gauge
(see note 2)
Fuel system, controls& monitoring:
The controls and fuel system meet applicable sections of NFPA 37, 54 and
58 for automatic unattended operation of remotely located generators. Full
system control and status monitoring included.
Sensors:
• Gas hazard • Pad shear
• Water intrusion • Tamper
> 7.5kW options in either 36Vdc or 48Vdc configurations
> Cost effective extended runtime solution for Telecom powering applications
> Quiet operation, small size and low profile allow for easier installation in populated areas
> Eliminates large quantities of batteries otherwise required for extended runtime
> Designed for stand-alone or collocated powernode applications
> Built-in safeguards to protect the system, operators and the public
> Safe unattended operation designed to UL2200, NFPA 37, 54, 58 and 70 standards
>Safety shutdowns
All models:
• Low oil pressure • Over temp
• Low fuel pressure • Water intrusion
shutdown (propane only) • Pad shear
• Gas hazard • Over speed
(propane or natural gas) • Over crank
Optional feature:
Cold start kit: Provides additional starting capability at temperatures below
17.7 ˚C (0˚F ).
Mechanical
PN-6x Dimensions:
cm ............................................99H x 100W x 61D
inches ......................................39H x 39.25W x 24D
with optional pedestal .............144H cm (57H in)
Weight: .......................................174kg (338lbs)
with optional pedestal .............168kg (370lbs)
APU fuel consumption:
Natural gas: 1000 BTU/Ft.
3
........156ft
3
/hr
Propane gas: 2520 BTU/Ft.
3
........1.48gal/hr
54ft
3
/hr
6.24lbs/hr
Exterior surface temperature ..... 65°C max (149˚F)
(meets requirements of UL/CSA)
Agency Compliance
UL1778
UL2200
NFPA 37/54/58/70
CSA C22.2 No.107.1
EMC/FCC Part 15 Class A
Note: Contact Alpha Technologies for the following:
1. Low pressure 2. Remote interface length distance