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STUBELJ - Diesel generating sets


In last decade we have started with development and production of diesel generating sets. Knowledge and experience from our world projects we have use in this sector of our company.

Our company, in cooperation with our partners, is producing from 100 – 120 generating set units per year especially projected for each customer. The production range is from 30 – 3500 kW. We represent company Stubelj on middle east.

In our production we assemble the engine and alternator. Base frame, sound isolated canopy and complete electrical cabinet with control panel are produced by our company. Because of this we are very flexible in the generating set dimensions, fuel tank volume, specific electrical cabinets and changeovers. We can offer manual control panel, automatic and parallel control panel with synchronization.

Our advantages are:

  • • flexible production
    • quality
    • high technical knowledge
    • technicly completed products
    • own testing and development
    • price
    • felxibility
    •postproduction services
    • own production with our partners
    • market support
    • customer support
    • investments
    • making direct sale

 

Complete mechanic production is performed in our partners workshop.

In all our production we use only quality components from well known manufacturers. All production is under control of AGAN’s technical experts.

In all of our generating sets we use alternators of worlds top most manufacturers – Stamford, Leroy Somer, Marelli, Macc Alte.

Alternators are synchronous, three-phase, brushless, self-regulated, self-excited, self-ventilated and 4 pole.

 

In accordance to IEC 60034-1,CEI EN 60034-1 BS 4999-5000, VDE 0530, NF 51-100, 111, OVE M-10. Insulation class H (temperature rise according to class F or B on request) .

Tropical impregnation for salt –humid environment is possible on request. Overload is possible (for continous operation):10% per 1 hour, 15% per 10 min, 30% per 4 min, 50% per 2 min. Overload has to be periodic with 1 hour of activity following at normal load. Automatic voltage regulation is maintained within ± 1% with load from 0% to 100 % speed from -2% to + 5 % and power
factor in range from 0,8 to 1 and balanced load. THF better than 2% and TIF better than 50.

Radio interference suppression according to BS 800 and VDE, class G and N.
In combinations with world fameous engine manufacturers these alternators offer the highest level of quality and endorse long term of machine action.

Continuous Baseload rating: Unlimited hours usage with an maximum load factor of 80% of the published baseload rating. A 10% overload is available for 1 hour in 12.

Prime rating: Unlimited hours usage with a maximum load factor of 80% of the published prime rating over each 24 hour period. A 10% overload is available for 1 hour in 12.

Standby rating (max): Limited to 500 hours annual usage with an average load factor of 100% of the published standby rating. Up to 300 hours of the annual usage may be run continuously. No overload is permitted.

The trademark Perkins guarantees an optimum energy efficiency and reliability, since their engines are designed to address today’s uncompromising demands within the power generation industry. All engines provide economical and durable operation for standby duty, low exhaust emissions, overall performance and reliability.

 

Economic power:


  • • mechanically operated unit, fuel injectors with electronic control, combined with carefully matched turbo charging, give excellent fuel atomisation and combustion with optimum economy
    • low emissions results from electronic control of injected fuel

 

Reliable power:


  • • developed and tested using the latest engineering techniques and detailed element analysis for high reliability
    • low oil usage and low wear rates
    • high compression ratios also ensure clean rapid starting in all conditions
    • support comes from a worldwide network of 4000 Perkins distributors and dealers

 

Compact, efficient power:


  • • exceptional power to weight ratio and compact size give optimum power density and make installation and transportation easier and cheaper
    • the engines are designed to provide excellent service access for ease of maintenance Diesel engine, 4 stroke, direct injection, turbocharged and/or intercooled naturally with air, suitable for continuous and standby operation. Mechanical or electronic governor of engine speed. Dry type air filter with replaceable elements and visual clogging indicator. Oil and fuel filters with replaceable elements.
    • Primary fuel filter. 12 V electric starter motor on models up to LDE 165 and 24 V electric starter motor for more powerful models of generating sets.
    • Batteries of Ca/Ca technology.
    • Cooling system with engine driven fan and radiator for +50°C ambient temperature. Exhaust system with industrial silencer and stainless steel compensator.
    • Presented ratings show the engine’s ability in specified conditions for ISO 8528/1, ISO 3046/1:1986; BS 5541/1. In other conditions (such as: altitude, humidity) power duration should
    be considered. Fuel specifications: BS 2869: Part 2 1998 Class A” or ASTM D975 D2.
    • Lubricating oil: 15W40 – API Cg4.
    • Engine speed stability at constant load ±0.25%.
    • reliable, powerful and economical engines for diesel generating sets

 

Durability and low noise:


  • • well-balanced engines to produce smooth and vibration free operation with low noise level. To maintain a controlled working temperature in cylinders and combustion chambers, the engine is equipped with piston cooling. The engine is also fitted with replaceable cylinder liners and valve seats/guides to ensure maximum durability and service of the engine.

Low exhaust emission:


  • • the state of the art, high- tech injection and charging system with low internal losses contributes to excellent combustion and low fuel consumption.• Diesel engine, 4 stroke, direct injection, turbocharged and/or intercooled, suitable for continuous and standby operation.
    • The intercooled TWD and TAD engines are designed to meet TA-Luft and EPA/CARB emission regulation.
    • Mechanical governor on models TD and TWD and electronic governor on models TAD.
    • Dry type air filter with replaceable elements and visual clogging indicator.
    • Oil and fuel filters with replaceable elements
    • Primary fuel filter
    • 24V electric starter motor (12V electric starter motor on models up to LDE 165 Volvo)
    • Batteries of Ca/Ca technology
    • Cooling system by engine driven fn and raditor for +50°C ambient temerature
    • Exhaust system with industrial silencer and stainless steel compensator

Engine ability suits ISO 3046, BS 5541 and DIN 6271. Engine power suits ISO 8528. Engine speed control suits ISO 3046/ VI, class A1 and ISO 8528-5 (G3 with electric speed controller)

IVECO AIFO

Diesel engine, 4 stroke, direct injection, turbocharged naturally with air and/or intercooled, suitable for continuous and standby operation. Mechanical or electronic governor of engine speed. Dry type air filter with replaceable elements and visual clogging indicator. Oil and fuel filters with replaceable elements.
Primary fuel filter.
12V electric starter motor on models up to LDE 275 and 24V electric starter motor for more powerful models of generating sets.
Batteries of Ca/Ca technology.
Cooling system with engine driven fan and radiator for +50°C ambient temperature.
Exhaust system with industrial silencer and stainless steel compensator.

ACTIVE POWER DEFINITIONS
Continuous baseload rating: unlimited hours usage with an average load factor of 100% of published baseload rating. A 10% overload is available for 1 hour in 12 hours of operating time.
Prime rating: unlimited hours usage with a maximum load factor of 80% of the published prime rating over each 24 hour period. A 10% overload is allowed for 1 hour in 12 hours of operating time.
Standby rating (max): limited to 500 hours annual usage with an average load factor of 100% of the published standby rating. Up to 300 hours of annual usage may be run continuously. No
overload is permitted.

Diesel engine, 4 stroke, cylinders in line. Fluid-cooled with axial fan. Indirect injection. Single-camshaft distribution in cylinder head. Distribution control through the teeth belt. Double PTO on engine shaft. PTO on the distribution. Counterclockwise rotation. Forced lubrication with vane pump on the engine shaft. External oil filter with total passage. Water pump in bonoblack. Automatic extra fuel starting device. Centrifugal speed governor. Torque regulator. Cast-iron engine block – monoblock. Aluminium (or iron) cylinder head.
Diesel engine, 4 stroke, cylinders in line. Fluid cooled with axial fan. Indirect injection. Single-camshaft distribution in cylinder

 

ACTIVE POWER DEFINITIONS
The ratings presented here apply to the engine with air filter and standard exhaust system on certain ambient conditions: air temperature 20°C and air pressure at 1 bar. Standby rating is guaranteed for the limit of 5%. Ratings deration for 1% on every 100m a.s.l. and for 2% on every 5°C above 20°C temperature.

These Genset examples can be combined with any world engine or alternator brand. In production we use world top models. In our generating set models with power more then 700 kVA we use powerful and long lasting Mercedes MTU engines, the perfect creation of mechanic solutions and high power.

The company beside supply of standard generating sets offers also the possibility of exacting upgrades and modifications such as:

  • • synchronization
    • cogeneration
    • generating sets with remote cooling system
    • stone crushers
    • engine + hydraulic clutch connection

Electrical cabinet with a control and power part for automatic switch-on at set time in case of power failure and automatic switch-off at re-established connection with the electricity grid.
The control electrical cabinet is constructed of pre-fabricated free-standing or wall-attached standard panels. The electrical cabinet’s power-operating and control parts are divided with a partition. Access to the electrical cabinet is possible from the front side, with connection cables from below. All junctions and connection clips are properly marked. The electrical cabinet’s mechanical safety level is IP54.

 

Minimal equipment of the electrical cabinet:


  • • control system of the engine
    • generator and exciting equipment with voltage regulation
    • generator uncoupler
    • indicative, measuring and alarm instruments
    • three-phase, four-wired gathering connection with adequate protection and operating elements for supplying all types of auxiliary instruments of a diesel generating set.

Type of control electrical cabinet with dimensions:

KO-30 400x600x250 (WxHxD) mm
KO-60 600x800x250 (WxHxD) mm
KO-80 600x1000x250 (WxHxD) mm
KO-160 800x1200x300 (WxHxD) mm
KO-220 800x1400x300 (WxHxD) mm
KO-450 1000x2000x400 (WxHxD) mm
KO-900 1200x2000x400 (WxHxD) mm

The generating set controller RGK 60 with a digital graphic screen for presenting the measured quantities, alarms and other data about the generating set, network voltage control at all three phases (also at each phase specifically), digital multimeter (voltmeter, frequencymeter, amperemeter), button for emergency switch-off, hour meter, all alarms expected to provide a safe usage of the generating set (low oil pressure, engine overheating, low fuel level, starting error, low battery voltage, too high alternator frequency, overcharged generating set, service needed…), 4 usage modes of the control electrical cabinet: OFF/MANUAL/AUTOMATIC/TEST.

THE SYNCHRONIZATION OF A GENERATING SET TO THE MAIN ELECTRIC NETWORK AND/OR ANOTHER GENERATING SET

When switching on, generating set, with the help of the operator GCP30, synchronizes to the main electric network. Generating set works with minimal power. In the case of electricity cut off, generating set starts supplying the users 100% without interruptions of the electricity supply. When the connection with the electricity grid is re-established, generating set again works with minimal power. In this way, we assure the users continuous electricity supply. This is extremely important in buildings where not even short power failures can be allowed (operation wards, television broadcasts, protected buildings, hospitals…).
The synchronization enables parallel operation of several generating sets together and/or parallel operation with the electricity grid.

The RGK 60 is a microprocessor module for the control of generating sets. It is a complete metering system with excellent measurement technology. The main goal of this new unit has been the elimination for the communication barriers between man and machine. The use of a large display screen and supervision software dedicated to rationally interact with the operator has consented to reach this intent.

 

General characteristics:


  • • Large-sized 192×64 pixel graphic LCD
    • Three-phase mains-regulator voltage control range: 50 to 620 VAC
    • Three-phase current control range: 0.02 to 6A (CT input)
    • 12 digital inputs
    • 7 relay outputs
    • 1 “W” engine speed measuring input
    • 3 analogue inputs for pressure, temperature and fuel level monitoring
    • Retentive energy meters
    • RS-232 port for setup, remote control, normal or GSM connection
    • Single device for either 12V or 24VDC battery
    • Fast setup via keypad or PC
    • User friendly via interactive interferance
    • Context sensitive on-line help prompts
    • Choice of text language
    • Icon detail and alarm viewing
    • Programmable inputs and outputs
    • Programmable alarms with customisable texts
    • Event log for alarms, status and events
    • Operating data recording
    • Safety copy of parameters in flesh memory
    • Customisable page for information concerning application
    • 5 LANGUAGES - ENG, IT, FR, SLO, CRO

 

Viewable measurements:


  • • Battery voltage
    • Phase, line and system mains voltage values
    • Phase, line and system generator voltage values
    • Phase current
    • Active, reactive and apparent power values
    • Active-reactive energy meters
    • Power factor per phase
    • Mains and generator frequency
    • Engine speed (rpm)
    • Oil pressure
    • Water temperature
    • Fuel level
    • Engine running hour counter
    • Hours remaining for maintenance
    • Total number of starting attempts Percentage of successful starting attempts

 

Option card
Plug-in option RGK X01 available for the following functions:


  • • Clock calendar with energy backup capacitor
    • Isolated RS-485 port
    • 1 relay output
    • 1 static output


Setup software
-It allows an easy and fast parameters setting via PC. RGK SW10 can also be used to:

  • • Write additional text
    • Set curve characteristics of oil pressure, temperature, etc


-Remote control communication software it enables the remote supervision of one or more RGK 60 units through RS-485 or RS-232, normal or GSM modem network. The RGK SW20 software (which includes RGK SW10 software) consents to:

  • • Set parameters
    • Converge all data and information of the RGK 60 units, connected through the RS-485 network, on to a central personal computer (PC)
    • Display data by means of graphic analogue and digital instrument drawings, bar graphs and pages with all measurement details
    • Configure data-logger
    • Display event-log (alarms, events, etc.)
    • Customize display page, with type and number of required instruments
    • Access to setup parameters, protected by password
    • Read, edit and save on disk the setup parameters
    • Configure the program in different languages
    • Make automatic calls via modem


The automatic call (“Autocall”) function enables the RGK 60 unit to automatically connect itself to the remote PC, through normal or GSM modem, at any alarm event. The GSM modem thereby enables to transmit event messages by SMS (cellular telephone system) or e-mail.

HOUSINGS


Sound insulated housings are powdery painted and typically prepared for individual complexes of generating sets. The housings are suitable for an external set up and are resistant to weather impacts. They are sound insulated and reduce the noise of a generating set to 50 – 70dBA at 7m distance (depending on the type of the genset). For generating sets of larger dimensions container housings are used instead of the classic sound insulated housings. Container housings are just as well created for the protection of generating sets against external impacts; they reduce the level of noise, etc. On the longer edges of the housing (container), doors with locks are made for easy access and service of the generating set. On the housing’s shorter edge, on the engine side, blinds are arranged for the egression of heated air. The housings are attached directly to baseplates with screws and are easily dismantled.

 

 

 

GENERATING SETS ON CARAVANS
Generating sets can also be mounted on transportable caravans, which enable to move a generating set. The caravans have one or two axes (depending on the size and weight of the genset), with an attachable handle, a third wheel with brake, a traffic brake, traffic signalization and winter-summer pneumatic tires. The caravans comply with the traffic regulations (homologation, congruity declaration, etc.). The caravans’ maximum speed is 80 km/h.

 

COUPLING
Directly through the coupling and flange – of monoblock made.

 

BASEPLATE
“Heavy duty” baseplate – welded steel baseplate. A generating set is fastened on the baseplate with anti-vibration carriers that prevent transmission of vibrations to the ground of the room. The baseplate is designed to enable simple lifting and moving the generating set.

 

FUEL TANK
The fuel tank is mounted on the inside of the baseplate. Under to the fuel tank, a collecting vessel is mounted, which prevents outpouring of any liquid from the generating set into the environment. The tanks have an adjusted opening that enables fuelling with a measuring instrument. Besides the standard fuel tank we have also larger freestanding, double-sheated tanks with fuel level display and outpouring control of liquid to offer. These tanks are separated from the generating sets and come in volume size of 1000, 1500 or 2000 litres.

 

SAFETY LIMITS
All parts that revolve or are hot are protected from accidental contacts complying with the EC norms.

 

SERVICE
Besides installation, the company offers service of the purchased generating sets. The engines are recommended to be serviced at least once a year or on every 400 hours of working.
When servicing the generator sets, we use only original parts. We give a 12-month warranty on the work of our servicemen and spare parts.

 



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