Lowest operating costs
All elements of the Cummins ® ‘S series’ Generator are designed from the start to work together to maximize efficiency, even at part loads, thus offering you the advantage of lowest operating costs.
Alternator:
Synchronous alternator of Stamford make suitable for continuous operation at 1500 RPM, 415 Volts, 0.8 pf (lag) suitable for 50 Hz, 3 phase, 4 wire system, conforming to BS 5000 / IS 4722. The alternator is brushless type, screen protected, revolving field, self excited, self regulated through an AVR. The alternator has the following features:
- + 1.0 % Voltage regulation (max.) in static conditions
- IP: 23 protection with insulation class H
- Permissible overload of 10% for one hour in 12 hours of operation
Mounting arrangement
Engine and alternator are mounted on a common MS fabricated base frame with AVM pads.
Control panel
The control panel is manufactured with 14/16 gauge CRCA sheet and is powder coated for a weather-proof and long lasting finish.
The control panel consists of following parts:
- Instrument cluster displaying water and lube oil temperature, lube oil pressure, engine RPM, running hours, battery charging current with LED Indications for battery charging failure, high water temperature and low lube oil pressure
- MCCB of suitable rating with overload and short circuit protection
- Combined meter for voltage, amps and frequency
- Current transformers
- Aluminum busbars of suitable capacity with incoming and outgoing termination
- Indicating lamps for “Load On” and “Set Running”
- Instrument fuses duly wired and ferruled
Others
- Fuel tank suitable for 8 hours of operation
Specification sheet 24-50 kWe, 30-62.5 kVA Prime
Single source power assurance
The rugged and reliable Cummins ® ‘S series’ Generators are unique, because all the major components – the engine, alternator, control system and canopy are designed, manufactured and tested by Cummins India/ Channel partners(Powerica Limited). This, complemented by the largest customer support network in India, capable of providing round-the-clock service and spares support, offers you SINGLE SOURCE POWER ASSURANCE from the world leaders in power generation.
Standard scope
Engine: Cummins® ‘S Series’ diesel generating sets, powered by Cummins® ‘S Series’ engines, are rated at 1500 RPM and conform to ISO 8528 specifications. The engines are radiator cooled, four stroke and multi-cylinder, conforming to BS 5514/ISO 3046
The scope of supply includes:
- Battery charging alternator
- MICO In-Line fuel system with mechanical governor
- Dual spin-on filter
- Lube oil filter
- Turbocharger (for turbocharged engines)
- Residential silencer
- CAC (for 62.5 kVA DG sets only)
- Dry type air cleaner
- Recovery bottle
- Shut-off coil with safeties for LLOP/HWT/Overspeed
- Flywheel and flywheel housing
- First fill of lube oil and coolant
Acoustic enclosure
The acoustic enclosure is made of 1.6/2 mm thick CRCA sheets and structural/ sheet metal base frame painted in Munsel green shade. The walls of the enclosure are insulated with fire retardant foam so as to comply with the 75 dBA at 1mtr sound levels specified by Ministry of Environment & Forest.
The enclosure has the following features:
- Specially designed to meet stringent MOEF/CPCB norms of 75 dBA @ 1mtr at 75% load under free field conditions
- Single point 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
- Powder coated for long lasting service life and superior finish
- With UV resistant powder coating, can withstand extreme environments
- Use of special hardware for longer life
- Insulation material meets exacting IS 8183 specifications for better sound attenuation
- Flush styling – no projections
- Fluid drains for lube oil and fuel
- Fuel filling point
Optionals
- Cold starting kit
- Coolant heater
- Microprocessor/relay based AMF control panel
- Trolley mounted mobile sets
