Diesel Generator Set
K38 Series
750-810 kVA, 600-648 kWe Prime
Reliable Technology And Unmatched
Performance
The Cummins
®
K38 series heavy-duty engine and
world class Stamford alternator powered diesel
generator set
Proven technology with mechanical simplicity of
Cummins PT fuel system.
Advanced in-cylinder technology and 2P2L Cooling
system to meet latest emission norms without any
after-treatment device
Smart aesthetic and superior finish
Compact in size with optimum power to weight ratio
Environment Friendly Power
Class defining technology engine is designed to meet
stringent exhaust emission tests as per revised MoEF
norms, thus offering environment friendly power.
The Cummins
®
diesel generator sets are available with
the lowest noise levels in its range
Lowest Operating Cost And
Comprehensive Warranty
Highly reliable and durable product
All elements are designed to work together to
maximize efficiency even at part loads, offering the
advantage of lowest operating costs.
300 Hours/ 1 year service interval
Industry acknowledged best-in-class comprehensive
warranty on the entire package including rubber
components
Single Source Power Assurance
All the major components – the engine, alternator,
control system and canopy are designed,
manufactured and tested by Cummins India.
Best and Largest customer support network in India,
capable of providing round-the-clock service and
spares support
All these things put together, Cummins
®
offers you
SINGLE SOURCE POWER ASSURANCE
Specification Sheet
Intuitive operator interface which includes LED backlit LCD
display with tactile feel soft-switches & generator set status
LED lamps
Integrated digital electronic voltage regulator with
configurable torque matching.
Digital Electronic Governing with temperature compensation
and Smart Starting.
SAE J1939 Interface to Full Authority Electronic (FAE)
engines.
Remote Start-Stop
Engine Metering: Oil pressure, High/Low coolant
temperature, Low coolant level, Oil temperature, Intake
manifold temperature, Battery voltage, Engine speed
AC Alternator Metering: L-L Voltage and L-N Voltage,
Current (1 and 3 phase), kW, kVAR, Power factor, kVA (three
phase and total), and Frequency.
Utility/AC bus Metering: L-L Voltage and L-N Voltage,
Current (1 and 3 phase), kW, kVAR, Power factor, kVA (three
phase and total), and Frequency.
Paralleling Control Functions: Digital frequency
synchronization and voltage matching, Isochronous kW and
kVAr load sharing controls, Droop kW and kVAr control,
Sync check, Extended paralleling (Peak Shave/Base Load),
Digital power transfer control (AMF), Load govern control,
Load demand control
Data Logging: Genset model data, Engine hours, Control
hours, Engine starts, Load profile, kWh and upto 32 recent
fault codes
Engine Protection: Low lube oil pressure, High/Low coolant
temperature, Over speed, Battery Over/Under/Weak Volts,
Fail to crank/start, Cranking lockout, Low fuel level, Sensor
failure.
AC Alternator Protection: AmpSentry protective relays for
short circuit shutdown, Over/Under voltage, Over/Under
frequency, Over current, Overload, Reverse power, Reverse
VAr, Phase rotation and Loss of AC sensing.
Utility/AC bus protection: Over/Under voltage, Under
frequency and Phase rotation
Paralleling protections
Control Functions: Start-stop with configurable time delay,
Real time clock for fault and event time stamping, Exerciser
clock and time of day start/ stop, Configurable glow plug
control, Configurable cycle cranking, Load shed/ dump as
per configurable priority
12 and 24 Volt DC Operation
Sleep Mode
Programmable I/Os (4 inputs and 4 outputs), expandable
with AUX101/102 modules
Self-Configuring PCCNet network
Modbus Interface (RS485 RTU)
InPower Compatible (PC based service tool)
Certifications - meets the requirement of relevant UL, NFPA,
ISO, IEC, Mil Std., CE and CSA standards
Silencer
Hospital grade Silencer suitably optimised to meet stringent
noise emission standards laid down by MoEF / CPCB
Mounting Arrangement
Engine and alternator are mounted on a common MS
fabricated base frame with AVM pads.
Optional
Engine:
Coolant heater, Oil drain pump, Heat exchanger, No
cool, Remote radiator
Control Panel:
Microprocessor / relay based AMF control
panel, Battery charger, Auxiliary output relays and remote
annunciators
Others:
Trolley mounted mobile sets
Engine
Cummins K38 series, 12 cylinder, Vee, 4 stroke, radiator
cooled engine
Highly stable and reliable design with square engine
Well designed air handling system with
— Dry type, Heavy duty, Replaceable paper element air
cleaner with restriction indicator
— Outboard aftercooling with 2 pump 2 loop system
— Optimised turbocharger for increased altitude
capabilities
Best in class fuel economy with
— PT fuel system with Electronic Step Timing Control
(ESTC) injectors which smoothly stabilise engine speed
under load with A1 class electronic governing
— Dual fuel filter system: Pre filter including water
separator and Water In Fuel (WIF) sensor and main filter
Standard integral set-mounted radiator system, designed
and tested for 50°C ambient temperature
Full flow
paper element type
lube oil filter
s
Plate type lube oil cooler
First fill of lube oil and coolant
Electrical starter motor with soft start engagement
feature
Battery charging alternator
2 x 12 V DC batteries
Alternator
Stamford HC alternator frames from Cummins Generator
Technologies
Brushless type, Screen protected, Separately excited
alternator conforming to IS/IEC 60034-1
PMG standard
Better motor starting capability
Best in class efficiency
Compact design with sealed bearings for longer life and
lesser maintenance
Impregnation on all wound components for better
mechanical strength
Control Panel
Control panel is manufactured with 14/16 gauge CRCA sheet
and is powder coated for weather-proof and long lasting finish.
The control panel consists of the following parts:
PowerCommand 3.3 controller
Aluminum bus bars with suitable capacity with incoming/
outgoing terminals
Indicating lamps for ‘Load ON’ and ‘Set Running’
Instrument fuses duly wired and ferruled
Air Circuit Breakers (ACBs) of suitable rating with overload
and short circuit protections
PowerCommand 3.3 Features
The PowerCommand
®
control
system is an integrated
microprocessor-based
generator set monitoring,
metering and control system
with LCD display designed to
meet the demands of today’s
engine driven generator sets.
Diesel Generator Set K38 Series
Specification Sheet
Acoustic Enclosure
Specially designed to meet stringent MoEF/ CPCB norms of
75 dBA @ 1mtr at 75% load under free field conditions
The acoustic enclosure is made of CRCA sheets in munsel
green shade and a structural/ sheet metal base frame
painted in black.
High quality noise absorbant and fire-retardant grade
acoustic insulation material (Rockwool) complying to IS
8183
Cap-on type enclosure with base lifting for easy handling at
customer site
Designed to have optimum serviceability
Air inlet louvers specially designed to operate at rated load
Made on special purpose CNC machines for consistency in
quality and workmanship
11 tank pretreatment process and UV resistant powder
coating of all parts to withstand extreme environment
Use of special hardware for longer life
Flush styling - no projections
Fluid drains for lube oil and fuel
Provision of fuel line connection from day tank
Technical Data
Generator set specification
Model
C750D5P
C810D5P
Duty
Prime
Prime
Power Rating kVA / kWe
750/600
810/648
No. of Phases
3
3
Output Voltage and Frequency (V and Hz)
415 V, 50 Hz
415 V, 50 Hz
Power Factor
0.8 (lagging)
0.8 (lagging)
Current (A)
1043
1126
RPM
1500
1500
Engine Specification
Make
Cummins
Cummins
Model
KTA38-
G12
KTA38-G1
2
MoEF Certified Power (hp)
1069 1
069
Required Power for Rated kVA (hp)
89
1
96
0
Cooling
Liquid cooled (Distilled
Water +DCA2)
Liquid cooled (Distilled
Water +DCA2)
Aspiration
Turbocharged
Aftercooled
Turbocharged
Aftercooled
12, Vee
12, Vee
159 x 159
159 x 159
16.7:1
16.7:1
38
38
High Speed Diesel
High Speed Diesel
130.50 1
38.94
177.41
ISO 8528-5 G2
ISO 8528-5 G2
24 V DC Electrical
24 V DC Electrical
CH4 15W40
CH4 15W40
140 - 114
140 - 114
155
155
330
330
2 x 8
2 x 8
5800
5800
2269 x 1436 x 1764
2269 x 1436 x 1764
7.95
7.95
20
11
21
03
520
521
Stamford (CGT)
Stamford (CGT)
HCI634W
HCI634V
IP 23
IP 23
±1%
±1%
H Class
H Class
2/3
2/3
Double layer lap
Double layer lap
Dynamically Balanced
Dynamically Balanced
No. of cylinders
Bore (mm) x Stroke (mm)
Compression ratio
Displacement (litre)
Fuel
Fuel consumption @75% load with radiator
and fan* (litre/hr)
Fuel consumption @100% load with
166.32
radiator and fan* (litre/hr)
Performance class of generator set
Starting system
Lube oil specification
Lube oil sump capacity, High-Low level
(litre)
Total lubrication system capacity (litre)
Total coolant capacity (litre)
No. of banks x Exhaust pipe size (inch)
Total wet weight (Engine+Radiator)
##
(kg)
Length x Width x Height (Engine) (mm)
Mean piston speed (m/s)
Combustion air intake @100% load (±5%)
(cfm)
Exhaust Temperature (°C)
Alternator Specif ication
Make
Alternator frame
Enclosure
Voltage regulation (Max.)
Class of Insulation
Winding Pitch
Stator Winding
Rotor
Waveform distortion/ Total Harmonic
Distortion
No load < 1.5 %, Non
distorting balanced
linear load < 5 %
No load < 1.5 , Non
distorting balanced
linear load < 5 %
Maximum Unbalanced Load across
phases
#
less than or equal to
25%
less than or equal to
25%
Telephonic Harmonic factor
< 2%
< 2%
* Fuel consumption data is based on diesel having specific gravity of 0.85 and conforming to IS:1460. Fuel consumption tolerance is +5%
**Oil consumption data is based on oil having specific gravity of 0.89 and meeting CH4 API categories
#
With the condition that none of the phases exceeds its rated current
Diesel Generator Set K38 Series
Specification Sheet
“Our energy working for you.”
Cummins
is
registered trademarks of Cummins Inc.
PowerCommand, AmpSentry, InPower and are trademarks of Cummins Power Generation.
Other company product or service names may be trademarks or service marks of others.
Specifications are subject to change without notice.
PSBU/004/K38 750-810 kVA/MP/NSM/Revision-1 30/06/2017
Typical Enclosed Genset Dimensions
Genset
Model
Rating
(kVA)
Length
(mm)
Width
(mm)
Height
(mm)
Wet Weight
##
(kg)
Standard Fuel tank
Capacity (litre)
C750D5P
750
8000
2600
3000
11900
990
C810D5P
810
8000
2600
3000
11900
990
##
Approximate Weight
Rating Definitions
Prime Power (PRP):
Applicable for supplying power to varying electrical load for unlimited hours. Prime Power (PRP) is in accordance with ISO 8528.
Conformance Standards
IS/IEC 60034-1
IS 1460
ISO 8528
ISO 3046
ISO 9001
IS 13018
Authorised Representative
Cummins Power Systems Offices
Bengaluru:
Tel.: (080) 2325 9161 / 63, 2325 9165 / 67
Fax: (080) 2325 9164
Chandigarh:
Tel.: (0172) 224 0371-73
Fax: (0172) 224 0372
Chennai:
Tel.: (044) 2446 8110 / 2446 8113
Fax: (044) 2491 1120
Gurgaon:
Tel.: (0124) 391 0900-01
Fax : (0124) 391 0916
Hyderabad:
Tel.: (040) 2340 9970 / 2340 9980
Fax. (040) 2340 9990
Jaipur:
Tel.: (0141) 236 4944
Fax: (0141) 403 8794
Kolkata:
Tel.: (033) 2287 8065 / 2287 2481
Fax: (033) 2290 3839
Lucknow:
Tel.: (0522) 230 5049 / 230 5059
Fax: (0522) 230 5035
Mohali:
Tel.: (0172) 224 0371 / 72 / 73
Fax: (0172) 224 0371 / 72 / 73
Vadodara:
Tel.: (0265) 233 0627 / 3053627
Fax: (0265) 234 0623
Visit our facebook page at :
Cummins Power Generation India
Cummins India Limited
Power Systems Business
Cummins India Office Campus
Tower-A, 8
th
Floor, S. No. 21,
Balewadi, Pune – 411 045 (India)
Email: cpgindia@cummins.com
www.cumminsindia.com
Diesel Generator Set K38 Series
Specification Sheet