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Quotation are invited for Supply, Installation, Testing and Commissioning of Full Solar System and Solar System Items. Oxfam is a global movement of people, working together to end the injustice of poverty. Oxfam has been working in Lebanon since 1993. We provide humanitarian assistance to vulnerable people affected by conflict, and we promote economic justice and good governance, and womens rights. Oxfam also works with local partners to contribute to the protection and empowerment of marginalized women and men. Oxfam is seeking to establish a framework agreement with a qualified supplier/contractor for the Supply, Installation, Testing and Commissioning of Full Solar System and Solar System Items This agreement will support the efficient and timely procurement and/or install of selected solar models, ensuring reliable energy solutions for humanitarian and development activities in the region. SPECIFICATION OF GOODS AND SERVICES REQUIRED GENERAL INSTRUCTIONS: Equipment shall be the latest standard product of the manufacturer and comply with the specifications, regulations, and international standards. Equipment generally is to be supplied in complete factory assembled units ready for installation on site. Equipment and material are to be stored in an approved location, under cover, free from humidity, dust, debris and rodents. Equipment sensitive to heat and humidity is to be kept in climatically conditioned areas until installed and handed over. All equipment supplied shall carry original manufacturers warranty. Solar photovoltaic (PV) Modules: The contractor shall be responsible for using high efficiency photovoltaic modules with the following minimum requirement: 1. Tier 1 Manufacturer according to latest Bloomberg classification. 2. Module`s Efficiency at STC has to be at least 21.5%. 3. Tolerance: Modules are required to have only positive output tolerance of maximum 3%. 4. Operating Temperature Range: -40°C and +85°C and from 15% to 85% relative humidity. 5. Fill Factor 0.75 6. Temperature coefficient: Power loss shall not exceed 0.30% per degree Celsius 7. Full Current Intensity: - Voltage characteristics (I-V) curves shall be provided at 25°C for a minimum four different levels of irradiance between 200 W/m2 and 1000 W/m2 8. The active electrical components within each PV module shall be electrically insulated between the short-circuited module output leads, the metal frame and the rear and front covers. The insulation must withstand 1500 Volts DC. 9. The back side (Back sheet) covered by polyvinyl fluoride layer (PVF), an evidence of providing PVF backsheet is a must upon delivery to the site. 10. Mechanical Resistance: PV modules must be certified for resistance to a suction pressure of 2400 PA (Wind speed 130 km/h) with a safety factory 3) and an increased distributed mechanical load of 5400 Pa on the front glass surface (Wind and Snow). 11. Junction Box: Shall include 3 by-pass diodes to protect against partial shading and module overheating. IP 67 protection is required 12. Warranty should be at least 12 years workmanship warranty and 30 years performance warranty, with output power not less than 87% of the nominal power after 30 years. 13. Cables: Factory fitted module cables shall be long enough to allow the modules to be interconnected electrically in series, to form strings and shall indicate clearly the polarity. 14. Glass: Front surface of the modules shall be protected with at least a 3.2 mm tempered glass of low iron content. 15. Frame: the PV laminate (glass/encapsulant/solar cells/rear side) shall be surrounded with a metal frame made of aluminum or aluminum alloy. The frame shall be placed to protect the edges of the glass cover of the PV modules and to facilitate support and mounting. The construction of the frame of each PV module shall be adequate to allow for thermal contractions and expansions of the glass cover of the PV module. 16. Certifications: the following certifications are required for the modules to be supplied for the project: IEC 61215:2016, 61730:2016, 61701, 62804, 60068-2-68, IEC 62716, ISO 9001, 14001, 18001. Solar pump Inverter The Contractor shall be responsible for the supply and installation of a Variable Frequency Drive (VFD) Inverter to drive each pump. The VFD inverter should have the following characteristics: 1. The inverter shall have a minimum capacity matched with the pump capacity. 2. Equipped with an automatic Run / Stop to operate the pump. 3. Protection degree is IP21. 4. The VFD inverter should have a solar pumping application software with Integrated MPPT Functionality. 5. Anti-islanding setting auto detection and complies with grid-connected safe requirements. 6. Provide protection against over current, over voltage, under voltage, overload, etc. 7. Pump Operation selection through either DC input or 380/415 Vac 3-Phase input (grid/EDL). 8. Input PV strings protected with fuse on both poles and surge arrester. 9. Diode security system against reverse polarity string. 10. Integrated Input Noise Filter 11. Equipped with a built-in flow measurement and sensor less flow calculations to pause pumps dry operation (no water). 12. Power efficiency not less than 95% (Euro-efficiency). VFD efficiency curve to be provided. 13. Equipped with communication ports: MODBUS/RS485, allowing monitoring and control of the VFD inverters operation. 14. Compliance with IEC 61000-3-2 and / or IEC 61000-3-4 standard (Limits for harmonic current emissions in low-voltage system). 15. Compliance with IEC 62109-1/2 standard (Safety of power converters for use in photovoltaic power systems) 17. Equipped with LCD display to provide instantaneous information about the subsystems and system output data and performance. 18. Temperature operating range: -20° C to 60° C. 19. Ground connection of the VFD to the equipotential bonding conductor. 20. The drives shall be fitted with cooling fans as standard. 21. Minimum Warranty of 5 years. The proposed VFD must meet the following requirement: 1. Support for synchronous and asynchronous three phase induction motors 2) MPPT technology 3) Support remote monitoring online 4) Auto sleep function 5) Low-frequency protection function 6) Dry run protection 7) Over-current protection 8) Minimum power protection 9) Full water protection 10) Alarm recovery mode programming 11) Generated harmonics measured at the point of connection, when operating at the rated power shall not exceed Hybrid inverter Inverter must be free of obvious defects. 1. EU origin or equivalent 2. Intelligent battery management for maximum battery life. 3. Have Hybrid management system. 4. Excellent use for grid-tied with battery backup. 5. Rated AC output voltage: 210 265 V. 6. Frequency range: adjustable to utility (50 HZ). 7. Adjustable power factor from -1 to 1. 8. THD at nominal power < 3%. 9. Rated AC input voltage: 160 300 V. 10. Rated battery DC input voltage: 41 63 V. Battery 1. Battery must be free of obvious defects. 2. Battery should be deep cycle type. 3. Battery life cycles shall be not less than 2000 cycle for OPZV, 600 cycle for AGM, 750 cycle for Gel, 3000 for lithium ion and for 2000 lead carbon @ 50% DoD and 25°C according to IEC61427 or IEC60896. Any other technology not listed is subjected to Engineer approval. 4. Battery operation temperature: 10°C to 30°C. 5. Self-Discharge rate (@25C) less than 3%/month. 6. Tested according to IEC60896-21 and fully compliant with IEC60896-22 requirements for valve regulated batteries. 7. Tested according to the safety requirements of EN50272-2 for stationary batteries. 8. New date of manufacturing not more than six months. 9. Non-Gassing battery. 10. The design lifetime of the batteries shall be of at least 5 years without losing more than 20% of the nominal capacity at 25C. 11. Low internal resistance (not more than 6 m ). 12. Battery container must be flame redundant (for example ABS (Acrylonitrile Butadiene Styrene)). 13. On each battery the following information must be provided in the label: Manufacturers name, battery serial number, type of battery, nominal voltage and ampere hour capacity @Cxx & xxV and date of manufacture. 14. Contractor shall install suitable disconnect switch as indicated in the SLD 15. Minimum Warranty of 3 years Tender Link : https://www.daleel-madani.org/calls-for-proposal
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