QSK50 DPM Package Brochure - Cummins Engines

QSK50 Land-Based Drilling
Power Module.

QSK50 Land-Based
Drilling Power Module.
Cummins Land-Based Drilling Power Modules are
designed and tested based on oil-field customer
requirements to provide optimum performance,
reliability and versatility. These modules deliver
world-class uptime and a low total cost of ownership
through high fuel efficiency and long life-to-overhaul.
The entire power module is designed, developed,
assembled and tested at the Cummins Oil and Gas
Center of Excellence, and is delivered with the full
force of Cummins behind it. This means that the
entire power module is fully supported with parts
and service available worldwide. Drilling contractors
can expect seamless, consistent support wherever
the rig operates.
Features.
Cummins diesel engine – The legendary QSK50
four-stroke diesel engine provides reliable power,
low emissions and fast response to load changes.
Alternator – Form-wound stator and rotor,
designed, tested and sized for drill rig service;
low waveform distortion with nonlinear loads;
fault-clearing short-circuit capability.
Control system – Full-authority electronic controls
that provide complete engine monitoring and
automatic adjustment for peak performance and
fuel efficiency, plus full diagnostics and prognostics.
Warranty and service – Backed by a global
standard Cummins factory warranty and supported
by over 600 worldwide Cummins-authorized service
locations.
Ratings
Model
Frequency
Voltage
Speed
Engine Power
Alternator Rating
Power Module Rating*
Custom Options.
QSK50-DPM
60 Hz
600 V
1200 rpm
1480 hp (1104 kWM)
1750 kVA (1225 kWE)
1003 kWe
Emissions** EPA Tier 2
*Total output of package varies with cooling system and alternator
configuration.
** Engine complies with EPA TIer 4 Interim requirements using
Transitional Program for Equipment Manufacturers (TPEM).
General Specifications
Engine Type
Bore
Stroke
Displacement
Aspiration
Governor
Cooling System
Weight w/o Radiator
Lube Oil Capacity
Base Design
Alternator Rotor Design
Alternator Insulation
Cummins QSK50 V-16, Four-Stroke Diesel
159 mm
159 mm
50.3 L
Turbocharged and Aftercooled
Electronic
Horizontal or Remote Vertical Discharge
29,500 lb (13,381 kg)
72 gal (273 liters)
Three-Point Mounting
Two-Bearing
Class H
Standard specifications and options are shown. The
Cummins Oil and Gas Center of Excellence can
provide custom factory packages.

Standard Equipment.
Air Intake System
n Factory-installed heavy-duty air cleaner
n Factory-installed air inlet shutoff valve
Control System
n Package-mounted control-and-monitoring
system provides warning or engine shutdown
protection for the power module
n Emergency push-button engine stop
n Control panel features include:
– Hour meter
– Engine speed
– Oil pressure
– Exhaust temperatures (left and right banks)
– Water temperatures
– Air cleaner restriction warning
– Warning, shutdown and fault history
information
Fuel System
n Skid-mounted fuel filters
n Pre-filtering system available
n Modular Common Rail Fuel System (MCRS)
generates clean, quiet and efficient power
n MCRS technology helps reduce noise emissions
and engine vibration, resulting in a safer and
more comfortable work environment
Cooling System
n Dual-core base-mounted or generator
set-mounted radiator
n Horizontal and remote vertical discharge
systems available
n Radiator options available for up to 55°C
n Thermostat-controlled outlets
Starting System
n Air starter – Ingersoll-Rand ® (90-150 psi)
Mounting Arrangement
n Three-point-mounted to sub-base
n Isolation pads at mounting points
n Lift provisions on base
Alternator
n Two-bearing, 600 V, 60 Hz, three-phase, 0.7 pf,
six-wire, WYE-connected
n Brushless type
n Standard anti-condensation heater
n Standard winding and bearing RTDs
n Custom alternator specifications available
on request
Lube Oil System
n High-capacity structural oil pan
n Secondary bypass oil filter

Standard specifications and options are shown. The Cummins
Oil and Gas Center of Excellence can provide custom factory
packages.
Alternator Specifications
Design
Brushless, Six-Pole, Revolving Field
Rotor
Two-Bearing
Insulation System
Class H
Temperature Rise 80ºC Over 50ºC
Alternator Cooling
Direct-Drive Centrifugal Blower Fan
Efficiency @ 0.7 pf 95.36
Subtransient Reactance (X"d, Unsaturated = 0.126 p.u.)
Subtransient Reactance (X"d, Saturated = 0.123 p.u.)
Technical Data
Rating
1750 kVA (1225 kWe @ 0.7 pf)
Power Factor 0.70
Voltage (Line-Neutral/Line-Line)
Current
Frequency
347/600 V
1683 A
60 hz
Poles 6
Speed
1200 rpm
Overspeed Limit (60 Seconds) 125%
Enclosure
IP23 With Air Inlet Filter
Engine Specifications
Engine manufacturer
Cummins Inc.
Model
QSK50-DR1480
Design
4-Stroke, V-Block, Turbocharged
and Aftercooled
Cylinder Block Configuration Cast Iron, 60º V, 16-Cylinder
Aspiration
Turbocharged and Low-
Temperature Aftercooled
Gross Engine Power Output 1480 hp (1104 kWm)
Displacement 50.3 liter (3,087 in 3 )
Injection System
MCRS
Engine Speed
1200 rpm
Cooling
Ambient Design Standard 50°C, Optional 55°C
This outline drawing is for reference only. See respective model
data sheet for specific model outline drawing number. Do not use
for installation design.
Dimensions And Weights
(Without Cooling System)
Model dim "A" dim "B" dim "C" Set dry
mm (in) mm (in) mm (in) weight* kg (lb)
QSK50 5,159 2,040 1,756 14,210
DPM (203.1) (80.3) (69.1) (31,261)
Note: Weights represent a set of standard features. See outline
drawings for weights of other configurations.
Cummins is a pioneer in product improvement. Thus, specifications
may change without notice. Illustrations may include optional
equipment.
Cummins Inc.
Box 3005
Columbus, IN 47202-3005
U.S.A.
Phone: 1-800-DIESELS (1-800-343-7357)
Fax: 1-800-232-6393
Internet: cumminsengines.com
Twitter.com/CumminsEngines
YouTube.com/CumminsEngines
Bulletin 4087173 Revised in U.S.A. Rev. 4/13
©2013 Cummins Inc.