Diesel Generator Set
QSL9 Series
275-320 kVA, 220-256 kWe Prime
Specification Sheet
Latest Technology Product with Lowest Operating Cost and
Global Cummins® Platform Comprehensive Warranty
The Cummins® QSL9 series heavy-duty engine Highly reliable and durable product
and world class Stamford alternator powered diesel All elements are designed to work together to
generator set maximize efficiency even at part loads, offering the
Class defining Quantum engine technology with fully advantage of lowest operating costs
integrated subsystems 500 Hours/ 1 year service interval
Full Authority Electronic Engine Industry acknowledged best-in-class comprehensive
Advanced in-cylinder technology to meet latest warranty on the entire package including rubber
emission norms without any 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 QSL9 Series Specification Sheet
Engine
PowerCommand 1.1
Cummins® QSL9 series, 6 cylinder, In-line 4 stroke, radiator
Features
cooled engine
The PowerCommand® control
Full Authority Electronic Engine
system is a microprocessor
Well designed air handling system with
based generator set
—— Dry type, replaceable paper element air cleaner with
monitoring, metering and
restriction indicator
control system with LCD
—— Air to air aftercooling
display designed to meet the demands of today’s engine
—— Optimised turbocharger for increased altitude
driven generator sets
capabilities
Best in class fuel economy with
Intuitive operator interface which includes LED backlit LCD
—— Bosch HPCR fuel system with A1 class electronic
display with tactile feel soft-switches & generator set status
governing
LED lamps
—— Dual fuel filter system: Pre filter including water
Digital AVR for shunt or PMG excitation with torque
separator and Water In Fuel (WIF) sensor and main filter
matching
Electrical lift pump for faster response
Digital electronic governing with temperature compensation
Standard integral set-mounted radiator system, designed
and smart starting
and tested for 50°C ambient temperature
SAE J1939 interface to Full Authority Electronic (FAE)
Full flow spin on lube oil filter
engines
Plate type lube oil cooler
Remote start-stop
First fill of lube oil and coolant
Engine metering: Oil pressure, Coolant temperature, Battery
Electrical starter motor with soft start engagement feature
voltage, Engine speed
Battery charging alternator
AC Alternator metering: L-L Voltage and L-N Voltage,
2 x 12 V DC batteries
Current (1 and 3 phase), Volt-Amperes (phase and total) and
Frequency
Engine protection: Low lube oil pressure, High/Low coolant
temperature, Over speed, Battery Over/Under/Weak Volts,
Fail to crank/start, Sensor failure
AC Alternator protection: Over/Under voltage, Over/Under
frequency, Over current, Short circuit and Loss of AC
sensing
Data logging: Engine hours, Control hours, Engine starts
and upto 10 recent fault codes
Configurable glow plug control
Configurable cycle cranking
12 and 24 Volt DC operation
Sleep mode
Programmable I/Os (4 inputs and 2 outputs), expandable
Alternator with AUX101/102 modules
Stamford HC4 alternator frames from Cummins Generator Modbus interface (RS485 RTU)
Technologies InPower compatible (PC based service tool)
Brushless type, Screen protected, Revolving field, Self Certifications - meets the requirement of relevant UL, NFPA,
excited alternator conforming to IS/IEC 60034-1 ISO, IEC, Mil Std., CE and CSA standards
3 Phase reconnectable winding with 12 terminals brought
out for connection Silencer
Better motor starting capability Hospital grade silencer suitably optimised to meet stringent
Best in class efficiency noise emission standards laid down by MoEF / CPCB
Compact design with sealed bearings for longer life and
lesser maintenance
Mounting Arrangement
Impregnation on all wound components for better
mechanical strength Engine and alternator are mounted on a common MS
fabricated base frame with AVM pads.
Control Panel Base frame with integral fuel tank is provided with drain
plug, air vent, inlet and outlet connection, level indicator and
Control panel is manufactured with 14/16 gauge CRCA sheet provision for cleaning
and is powder coated for weather-proof and long lasting finish.
The control panel consists of the following parts:
Optional
PowerCommand® 1.1 Controller
Aluminum bus bars with suitable capacity with incoming/ Engine: Coolant heater, Oil drain pump, Heavy duty air
outgoing terminals cleaner
Indicating lamps for ‘Load ON’ and ‘Set Running’ Alternator: PMG
Instrument fuses duly wired and ferruled Control Panel: PC1.2, PC3.3, Microprocessor/ Relay based
MCCB of suitable rating with overload and short circuit AMF control panel
protections Others: Mobile sets with canopy
Diesel Generator Set QSL9 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
Fluid drains for lube oil and fuel
IS 8183
Fuel filling arrangement inside the enclosure
Base lifting for easy handling at customer site
Technical Data
Generator Set Specification
Model C275D5P C300D5P C320D5P
Duty Prime Prime Prime
Power Rating kVA / kWe 275/220 300/240 320/256
No. of Phases 3 3 3
Output Voltage and Frequency (V and Hz) 415 V, 50 Hz 415 V, 50 Hz 415 V, 50 Hz
Power Factor 0.8 (lagging) 0.8 (lagging) 0.8 (lagging)
Current (A) 382 417 445
RPM 1500 1500 1500
Engine Specifications
Make Cummins® Cummins® Cummins®
Model QSL9-G16 QSL9-G15 QSL9-G15
MoEF Certified Power (bhp) 334 399 399
Required Power for Rated kVA (bhp) 332 362 382
Cooling Liquid Cooled Liquid Cooled Liquid cooled
(EG Compleat 50:50) (EG Compleat 50:50) (EG Compleat 50:50)
Aspiration Turbocharged, Turbocharged, Turbocharged,
Charge Air Cooled Charge Air Cooled Charge Air Cooled
No. of cylinders 6, In-line 6, In-line 6, In-line
Bore (mm) x Stroke (mm) 114 x 145 114 x 145 114 x 145
Compression ratio 16:1:1 16:1:1 16.1:1
Displacement (litre) 8.9 8.9 8.9
Fuel High Speed Diesel High Speed Diesel High Speed Diesel
Fuel consumption @75% load 48.42 51.95 54.89
with radiator and fan* (litre/hr)
Fuel consumption @100% load 62.04 66.92 70.52
with radiator and fan* (litre/hr)
Performance class of generator set ISO 8528-5 G2 ISO 8528-5 G2 ISO 8528-5 G2
Starting system 24 V DC Electrical 24 V DC Electrical 24 V DC Electrical
Lube oil specification CI4+ 15W40 CI4+ 15W40 CI4+ 15W40
Lube oil sump capacity, High-Low level (litre) 30-20 30-20 30- 20
Total lubrication system capacity (litre) 34 34 34
Total coolant capacity (litre) 36.8 36.8 36.8
Exhaust pipe size (inch) 6 6 6
Total wet weight (Engine+Radiator)## (kg) 961 961 961
Length x Width x Height (Engine) (mm) 1128 x 791 x 1277 1128 x 791 x 1277 1128 x 791 x 1277
Mean piston speed (m/s) 7.2 7.2 7.2
Combustion air intake @100% load (±5%) (cfm) 681 695 714
Exhaust Temperature (°C) 516 522 532
Alternator Specification
Make Stamford (CGT) Stamford (CGT) Stamford (CGT)
Alternator frame HCI444D HCI444D HCI444E
Enclosure IP 23 IP 23 IP 23
Voltage regulation (Max.) ±1% ±1% ±1%
Class of Insulation H Class H Class H Class
Winding Pitch 2/3 2/3 2/3
Stator Winding Double layer lap Double layer lap Double layer lap
Rotor Dynamically Balanced Dynamically Balanced Dynamically Balanced
Waveform distortion/ Total Harmonic Distortion No load < 1.5 %, Non No load < 1.5 %, Non No load < 1.5 %, Non
distorting balanced distorting balanced distorting balanced
linear load < 5 % linear load < 5 % linear load < 5 %
Maximum Unbalanced Load across phases# less than or equal to 25% less than or equal to 25% less than or equal to 25%
Telephonic Harmonic factor < 2% < 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%
#
With the condition that none of the phases exceeds its rated current
Diesel Generator Set QSL9 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 ISO 8528 ISO 9001
IS 1460 ISO 3046 IS 13018
Typical Enclosed Genset Dimensions
Genset Rating Length Width Height Wet Weight## Standard Fuel tank
Model (kVA) (mm) (mm) (mm) (kg) Capacity (litre)
C275D5P 275 4800 1500 2025 4065 450
C300D5P 300 4800 1500 2025 4265 450
C320D5P 320 4800 1500 2025 4350 480
##
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
Cummins India Limited
“Our energy working for you.” Power Systems Business
Cummins India Office Campus
Tower-A, 8th Floor, S. No. 21,
Balewadi, Pune – 411 045 (India)
Cummins is registered trademarks of Cummins Inc.
Specifi cations are subject to change without notice. Email: cpgindia@cummins.com
PSBU/011/QSL9/HD/MP/Revision-1 (02-18) www.cumminsindia.com
