تعلن إدارة العمليات بالشركة الوطنية لحفر وصيانة آبار النفط عن رغبتها في تأجير عدد 4 مولدات نوع كتربيلر 3512 أو مايكافئها من العلامات التجارية الأخرى على النحو الاتى :
على أن يكون أخر موعد لاستلام العروض 10 / 08 / 2023
| ITEM | Quantity | UOI | DESCRIPTION |
| 01 | 04 | UNITS | CAT D3512B CATERPILLAR GENERATOR CATERPILLAR GENERATOR SET 3512B LAND DRILLING GENERATORS, DIESEL OILFIELD GENERATOR SET, OPEN TYPE MADE: USA Power Rating: 1045 ekw Power Rating @ 0.8 pf / 1492KVA Voltage Output: 600Vac Phase: 3 Ø (phase) Frequency / RPM: 60Hz / 1200 RPM COMPOSED OF THE FOLLOWING: FOR ENGINES a). Air Inlet system *Corrosion- resistant after cooler core *Air inlet shutoff *Dual element & heavy duty air cleaners with *Service Indicator *With manual shutoff System b). Cooling system *Separate-circuit after cooled *Outlet controlled jacket water thermostat *Jacket water pump – gear driven *Dual outlet *After cooler water pump – gear driven *After cooler water thermostat * Radiator & fan for desert operation with ambient temperature to 140 Degree F /50◦C * Radiator with guard * Coolant drain lines with valve and level sight gauge * Fan & belts guards * Jacket Water pump *Coolant level sensor *Coolant conditioner c). Exhaust system * Dry exhaust manifold * Flanged faced outlets * Dual turbochargers, water cooled bearings * Stainless steel exhaust flex fittings * Elbows, flanges, expanders & Y adapters * Elbow, 305 mm (12 in) * Muffler, 356 mm (14 in), spark arresting, includes companion * flanges, clean-out box, and spark box * Muffler, 305 mm (12 in), spark arresting, includes companion * flanges, clean-out box, and spark box |
| ITEM | Quantity | UOI | DESCRIPTION |
| * Spark arrestors d). Fuel System * Fuel transfer pump * Fuel return line with flexible connection * Electronic unit injectors * Primary fuel filter with water separator * Fuel Pressure Gauge e). Lube System * Crankcase breather * Oil cooler * Shallow oil pan * Oil drain extension, 2 in NPT female connection * Crankcase fumes disposal * Oil level regulator * Centrifugal Oil Cleaner * Oil filler * Gear type lube oil pump f). Governing * CATERPILLAR ADEM control system g). Starting *Electrical starting System 24 Vdc h). Instrument Panel * Emergency stop button * Analog gauges: * Fuel pressure * Engine oil pressure * Engine oil temperature * Engine coolant temperature * DC voltage * Engine percent load * EMCP 4.4 control panel * 5.5-inch graphical display * 16 languages supported * Engine/generator monitoring and protection * CAN, RS 485 MODBUS, Ethernet communications supported * Remote e-stop/start/stop * Engine start and crank attempt counter FOR GENERATOR (600Vac, 60Hz, 1045 EKW) * SE Excitation * 6 Poles * Class H Insulation RISE (127°C) * Reactive Droop * Bus bar Connections. * Anti Condensate Space Heaters * Cable Access Box without load sharing Without voltage regulator ELECTRIC MODULAR CONTROL PANEL (EMCP 4.4) WITH THE FOLOWING FEATURES: a). 140 mm (5.5 in) Graphical Display • Generator AC voltage • 3-phase (L-L & L-N) • ± 0.25% accuracy • rpm and battery voltage • Generator AC current (per phase and average) |
| ITEM | Quantity | UOI | DESCRIPTION |
| • Generator frequency • Power metering (kW, kVA, kVAr, pf) • Hour meters (kW-hour, kVAr-hour) • Engine oil pressure (psi, kPa or bar) • Engine oil temperature (°C or °F) • Engine coolant temperature (°C or °F) • Multiple language support • Engine start and crank attempt counter • Real time clock b). Communication • Accessory CAN data link • RS-485 annunciator data link • RS-485 SCADA (Modbus RTU) • Ethernet SCADA (Modbus TCP) c). Controls • Auto/start/stop Engine cool down timer • Emergency stop • Engine cycle crank • Programmable cycle timer d). Generator Set Protection • Over/under voltage • Over/under frequency • Generator phase sequence Over current (timed and inverse) • Reverse kW, kVA • Current balance • Low oil pressure • High coolant temp Low coolant level • Fail to start • Overspeed e.) Outputs • 16 programmable digital outputs • 3 programmable (4-20mA or ±10V) programmable (PWM) Inputs f.) Emergency stop • Remote start • 12 programmable digital inputs • Oil pressure and water temperature • 3 programmable inputs (±10V, PWM, current, or resistive) • Oil temperature, fuel level mounting. * INNER BASE FOR MOUNTING ENGINE AND GENERATOR ENGINE AND GENERATOR MOUNTING GROUP COUPLING /ENGINE AND GENERATOR MOUNTING SUPPORT TO ISNTALL AT GENERATOR SCR HOUSE, TOWING POINTS & FORKLIFT POCKETS, SKID BASE WITH DRAGGING POINTS GENERAL DETAILS. * Paint – Caterpillar Yellow except rails & radiators should be gloss black. * SAE Standard Rotation | |||
| ITEM | Quantity | UOI | DESCRIPTION |
| Complete with Test Certificate, Certificate of conformance and other standard related documents. *Warranty. * Installation and commissioning The offer must include Detailed Technical Offer, Data sheet |
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