APD-EPAV550T4 product details and specifications:

General Characteristics 

• Model Name: APD-EPAV550T4 

• Frequency: 60 Hz 

• Fuel Type: Diesel 

• Engine Make and Model: Volvo TWD1672GE (Tier-4) 

• Alternator Make and Model: Stamford HCI544E 

• Control Panel Model: DSE 7320 

Power Ratings 

• 240/120V, 3-phase, 0.8 PF: 554.6 kW / 693.25 kVA standby; 505.4 kW / 631.8 kVA prime 

• 208/120V, 3-phase, 0.8 PF: 554.6 kW / 693.25 kVA standby; 505.4 kW / 631.8 kVA prime 

• 480/277V, 3-phase, 0.8 PF: 556.9 kW / 696.13 kVA standby; 507.0 kW / 633.8 kVA prime 

Engine Specifications 

• Engine: Volvo TWD1672GE, 6 cylinders in-line 

• Max power @ rated rpm: 615 kWm (836 BHP) 

• Brake mean effective pressure: 2.3 MPa @ prime 

• Aspiration & Cooling: Turbo Charged 

• Total displacement: 983.9 in³ (16.12 L) 

• Bore x Stroke: 5.67 in. x 6.5 in. 

• Compression Ratio: 16.8:1 

• Governor Type: Volvo/EMS 2.3 

• Rated rpm: 1800 

• Rotation: CCW viewed on flywheel 

Engine Electrical System 

• Charging Alternator: 24V / insulated from earth 

• Alternator Rating: 300 amp 

• Starter motor power: 7 kW 

• Starter motor rated voltage: 12 VDC 

• Battery quantity x rating & CCA: 2 x 225Ah 

Fuel System & Consumption 

• Type of injection: Direct 

• Fuel injection pump: Unit injector hybrid 

• Max. fuel flow: 55.5 gal/hr 

• Fuel filter & water separator: Available 

• Fuel consumption at 100% load (Standby): 42.4 gal/hr 

• Fuel consumption at 100% load (Prime): 38.4 gal/hr 

• Fuel consumption at 75% load (Prime): 29.1 gal/hr 

• Fuel consumption at 50% load (Prime): 20.2 gal/hr 

Exhaust System 

• Exhaust gas flow: 114 m³/min 

• Max. back pressure: 19 kPa 

• Max. exhaust gas temp after turbine: 423°C 

• Exhaust after-treatment: DOC + SCR 

Cooling & Lubrication System 

• Coolant capacity: 12.68 gal 

• Thermostat operation range: 82-92°C 

• Combustion air flow: 46.06 m³/min 

• Engine coolant flow: 95.4 gal/min 

• Cooling fan air flow: 816 m³/min 

• Max allowed air intake restriction: 5 kPa 

• Air filter: Volvo Penta filter 

• Oil capacity: 12.68 gal 

• Oil cooler: Water cooled 

• Oil temp (continuous operation): 130°C 

Alternator Characteristics 

• Manufacturer/Model: Stamford HCI544E - 60Hz 

• Design: Double Layer Lap 

• Exciter type: Self Excited 

• Stator: 2/3 winding pitch 

• Rotor: Single bearing, flexible disc 

• Leads: 12 

• Insulation: Class H 

• Temp. rise @ 40°C ambient: 125°C Prime 

• Max. over-speed: 2250 rev/min 

• Voltage regulator: MX321 

Gen-Set Canopy Dimensions 

• Length: 271.3 in. 

• Width: 88.82 in. 

• Height: 101.57 in. 

• Dry Weight: 18,607 lbs. 

• Fuel tank capacity: 554.8 gal 

• Genset sound level: 79.5 dBA @ 23 ft 

Enclosure & Base-Frame 

• Sound Attenuated Steel Enclosure on heavy-duty steel base-frame 

• Integral double wall fuel tank within base frame 

• Anti-vibration isolators between engine/alternator supports and base frame 

• Four doors on each side for serviceability, plus back door for control system 

• Exhaust silencer coated and internally mounted within enclosure 

• Fuel filling cap within enclosure, accessible through lockable door 

• Externally mounted emergency stop switch 

• Electrostatic polyester powder paint finish for corrosion resistance 

Control Panel 

• Control Module: DSE 7320 

• Communication Ports: MODBUS 

• UL recognized, NFPA 110 Level 1 compatible 

• LCD text display with key menu navigation and front panel editing 

• Off/Manual/Auto mode switch; two-wire starting/stopping in Auto mode 

• Engine exerciser and real-time clock event logging 

• Configurable 8 digital inputs, 6 analogue inputs, 6 DC outputs 

• Remote SCADA monitoring and BMS integration via DSE Configuration Suite (license-free) 

Protective Functions 

• Pre-alarms: low/high oil pressure and temperature, over/under speed, under/over frequency and voltage, ECU warning 

• Electrical trip: earth fault, kW overload, generator over current, negative phase sequence 

• Warnings: charge failure, battery under voltage, fail to stop, low fuel level, kW overload, loss of speed signal 

• Shutdowns: fail to start, emergency stop, low oil pressure, high engine temperature, low coolant level, over/under speed and frequency/voltage, oil pressure sensor open, phase rotation 

Standard Features & Accessories 

• Trailer with spare tire and tool box (DOT-approved 24,000 lb heavy-duty triple-axle trailer) 

• Spring axles with electric brakes, breakaway kit with charger 

• 5,000 lb front jack and rear stabilizer jacks, 7-pin trailer plug 

• Voltage Selector Switch - 3 position (480/277V, 208/120V-3ph & 240/120V-1ph) 

• Convenience panel with GFCI receptacles, twist-lock receptacles, and quick-connect cam-locks 

• Battery, battery rack & cables; battery charger 

• Main line circuit breaker (250A capacity) with shunt trip controller 

• Jacket water heater (120 VAC, 1000 W) 

• Operations manual and 1 Year / 2000-hour limited warranty 

Optional Accessories 

• Upsized alternator; PMG excitation; alternator anti-condensation heater 

• 4-position VSS; fuel level monitoring with high fuel alarm; fuel line check valve 

• Oil temperature gauge; oil heater 

• Battery charger 10 Amp; battery heater blanket 

• Main line CB (100% rated) 

• Remote monitoring and control; remote annunciator 

Certifications & Standards 

• EPA Certified Tier 4 - FINAL 

• Manufactured in ISO 9001:2015 certified facility 

• AKSA Certificates: TS ISO 8528, CE, SZUTEST, 2000/14/EC 

• Stamford alternators meet BS EN 60034 

• Control panel: BS EN 60950, BS EN 61000-6-2, BS EN 61000-6-4 

product specifications:

product related documents:

APD-EPAV550T4_rev4.pdf