Diesel Generator Set
K38 Series
750-810 kVA, 600-648 kWe Prime
Specification Sheet
Reliable Technology And Unmatched Lowest Operating Cost And
Performance Comprehensive Warranty
The Cummins® K38 series heavy-duty engine and Highly reliable and durable product
world class Stamford alternator powered diesel All elements are designed to work together to
generator set maximize efficiency even at part loads, offering the
Proven technology with mechanical simplicity of advantage of lowest operating costs.
Cummins PT fuel system. 300 Hours/ 1 year service interval
Advanced in-cylinder technology and 2P2L Cooling Industry acknowledged best-in-class comprehensive
system to meet latest emission norms without any warranty on the entire package including rubber
after-treatment device components
Smart aesthetic and superior finish
Compact in size with optimum power to weight ratio Single Source Power Assurance
All the major components – the engine, alternator,
Environment Friendly Power control system and canopy are designed,
Class defining technology engine is designed to meet manufactured and tested by Cummins India.
stringent exhaust emission tests as per revised MoEF Best and Largest customer support network in India,
norms, thus offering environment friendly power. capable of providing round-the-clock service and
The Cummins® diesel generator sets are available with spares support
the lowest noise levels in its range All these things put together, Cummins® offers you
SINGLE SOURCE POWER ASSURANCE
Diesel Generator Set K38 Series Specification Sheet
Engine Intuitive operator interface which includes LED backlit LCD
display with tactile feel soft-switches & generator set status
Cummins K38 series, 12 cylinder, Vee, 4 stroke, radiator
LED lamps
cooled engine
Integrated digital electronic voltage regulator with
Highly stable and reliable design with square engine
configurable torque matching.
Well designed air handling system with
Digital Electronic Governing with temperature compensation
—— Dry type, Heavy duty, Replaceable paper element air
and Smart Starting.
cleaner with restriction indicator
SAE J1939 Interface to Full Authority Electronic (FAE)
—— Outboard aftercooling with 2 pump 2 loop system
engines.
—— Optimised turbocharger for increased altitude Remote Start-Stop
capabilities Engine Metering: Oil pressure, High/Low coolant
Best in class fuel economy with temperature, Low coolant level, Oil temperature, Intake
—— PT fuel system with Electronic Step Timing Control manifold temperature, Battery voltage, Engine speed
(ESTC) injectors which smoothly stabilise engine speed AC Alternator Metering: L-L Voltage and L-N Voltage,
under load with A1 class electronic governing Current (1 and 3 phase), kW, kVAR, Power factor, kVA (three
—— Dual fuel filter system: Pre filter including water phase and total), and Frequency.
separator and Water In Fuel (WIF) sensor and main filter Utility/AC bus Metering: L-L Voltage and L-N Voltage,
Standard integral set-mounted radiator system, designed Current (1 and 3 phase), kW, kVAR, Power factor, kVA (three
and tested for 50°C ambient temperature phase and total), and Frequency.
Full flow paper element type lube oil filters Paralleling Control Functions: Digital frequency
Plate type lube oil cooler synchronization and voltage matching, Isochronous kW and
First fill of lube oil and coolant kVAr load sharing controls, Droop kW and kVAr control,
Electrical starter motor with soft start engagement feature Sync check, Extended paralleling (Peak Shave/Base Load),
Battery charging alternator Digital power transfer control (AMF), Load govern control,
2 x 12 V DC batteries 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
Alternator VAr, Phase rotation and Loss of AC sensing.
Utility/AC bus protection: Over/Under voltage, Under
Stamford HC alternator frames from Cummins Generator
frequency and Phase rotation
Technologies
Paralleling protections
Brushless type, Screen protected, Separately excited
Control Functions: Start-stop with configurable time delay,
alternator conforming to IS/IEC 60034-1
Real time clock for fault and event time stamping, Exerciser
PMG standard
clock and time of day start/ stop, Configurable glow plug
Better motor starting capability
control, Configurable cycle cranking, Load shed/ dump as
Best in class efficiency
per configurable priority
Compact design with sealed bearings for longer life and
12 and 24 Volt DC Operation
lesser maintenance Sleep Mode
Impregnation on all wound components for better Programmable I/Os (4 inputs and 4 outputs), expandable
mechanical strength with AUX101/102 modules
Self-Configuring PCCNet network
Control Panel Modbus Interface (RS485 RTU)
Control panel is manufactured with 14/16 gauge CRCA sheet InPower Compatible (PC based service tool)
and is powder coated for weather-proof and long lasting finish. Certifications - meets the requirement of relevant UL, NFPA,
The control panel consists of the following parts: ISO, IEC, Mil Std., CE and CSA standards
PowerCommand 3.3 controller
Aluminum bus bars with suitable capacity with incoming/ Silencer
outgoing terminals Hospital grade Silencer suitably optimised to meet stringent
Indicating lamps for ‘Load ON’ and ‘Set Running’ noise emission standards laid down by MoEF / CPCB
Instrument fuses duly wired and ferruled
Air Circuit Breakers (ACBs) of suitable rating with overload Mounting Arrangement
and short circuit protections Engine and alternator are mounted on a common MS
fabricated base frame with AVM pads.
PowerCommand 3.3 Features
The PowerCommand® control Optional
system is an integrated
Engine: Coolant heater, Oil drain pump, Heat exchanger, No
microprocessor-based
cool, Remote radiator
generator set monitoring,
Control Panel: Microprocessor / relay based AMF control
metering and control system
panel, Battery charger, Auxiliary output relays and remote
with LCD display designed to
annunciators
meet the demands of today’s
Others: Trolley mounted mobile sets
engine driven generator sets.
Diesel Generator Set K38 Series Specification Sheet
Acoustic Enclosure Designed to have optimum serviceability
Air inlet louvers specially designed to operate at rated load
Specially designed to meet stringent MoEF/ CPCB norms of
Made on special purpose CNC machines for consistency in
75 dBA @ 1mtr at 75% load under free field conditions
quality and workmanship
The acoustic enclosure is made of CRCA sheets in munsel
11 tank pretreatment process and UV resistant powder
green shade and a structural/ sheet metal base frame
coating of all parts to withstand extreme environment
painted in black.
Use of special hardware for longer life
High quality noise absorbant and fire-retardant grade
Flush styling - no projections
acoustic insulation material (Rockwool) complying to IS
Fluid drains for lube oil and fuel
8183
Provision of fuel line connection from day tank
Cap-on type enclosure with base lifting for easy handling at
customer site
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-G12
MoEF Certified Power (hp) 1069 1069
Required Power for Rated kVA (hp) 891 960
Cooling Liquid cooled (Distilled Liquid cooled (Distilled
Water +DCA2) Water +DCA2)
Aspiration Turbocharged Turbocharged
Aftercooled Aftercooled
No. of cylinders 12, Vee 12, Vee
Bore (mm) x Stroke (mm) 159 x 159 159 x 159
Compression ratio 16.7:1 16.7:1
Displacement (litre) 38 38
Fuel High Speed Diesel High Speed Diesel
Fuel consumption @75% load with radiator 130.50 138.94
and fan* (litre/hr)
Fuel consumption @100% load with 166.32 177.41
radiator and fan* (litre/hr)
Performance class of generator set ISO 8528-5 G2 ISO 8528-5 G2
Starting system 24 V DC Electrical 24 V DC Electrical
Lube oil specification CH4 15W40 CH4 15W40
Lube oil sump capacity, High-Low level 140 - 114 140 - 114
(litre)
Total lubrication system capacity (litre) 155 155
Total coolant capacity (litre) 330 330
No. of banks x Exhaust pipe size (inch) 2x8 2x8
Total wet weight (Engine+Radiator)## (kg) 5800 5800
Length x Width x Height (Engine) (mm) 2269 x 1436 x 1764 2269 x 1436 x 1764
Mean piston speed (m/s) 7.95 7.95
Combustion air intake @100% load (±5%) 2011 2103
(cfm)
Exhaust Temperature (°C) 520 521
Alternator Specif ication
Make Stamford (CGT) Stamford (CGT)
Alternator frame HCI634W HCI634V
Enclosure IP 23 IP 23
Voltage regulation (Max.) ±1% ±1%
Class of Insulation H Class H Class
Winding Pitch 2/3 2/3
Stator Winding Double layer lap Double layer lap
Rotor Dynamically Balanced Dynamically Balanced
Waveform distortion/ Total Harmonic No load < 1.5 %, Non No load < 1.5 , Non
Distortion distorting balanced distorting balanced
linear load < 5 % linear load < 5 %
Maximum Unbalanced Load across less than or equal to less than or equal to
phases# 25% 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
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
Typical Enclosed Genset Dimensions
Genset Rating Length Width Height Wet Weight## Standard Fuel tank
Model (kVA) (mm) (mm) (mm) (kg) Capacity (litre)
C750D5P 750 8000 2600 3000 11900 990
C810D5P 810 8000 2600 3000 11900 990
##
Approximate Weight
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
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Cummins Power Generation India
“Our energy working for you.” Cummins India Limited
Power Systems Business
Cummins India Office Campus
Tower-A, 8th Floor, S. No. 21,
Cummins is registered trademarks of Cummins Inc. Balewadi, Pune – 411 045 (India)
PowerCommand, AmpSentry, InPower and are trademarks of Cummins Power Generation.
Other company product or service names may be trademarks or service marks of others. Email: cpgindia@cummins.com
Specifications are subject to change without notice. www.cumminsindia.com
PSBU/004/K38 750-810 kVA/MP/NSM/Revision-1 30/06/2017
