Tenders Are Invited For Energy Modernization Of The Buildings Of The Volunteer Fire Brigades In The Miastków Kościelny Commune By Installing A Pv Installation With Energy Storage

Installation Of 11 Sets Of Photovoltaic Installations With A Capacity Of 4.9 Kw With An Energy Storage Of 7 Kwh. The Installation Should Be Adapted To The Volunteer Fire Department Building And The Existing Electrical Installation, Taking Into Account The Roof Covering And The Slope And Direction Of Sunlight.1. Photovoltaic Panels - Made Using Monocrystalline Technology With A Total Rated Power Of 4.9 Kwp (Monocrystalline Photovoltaic Module 490Wp, Efficiency 22.0%, Reinforced Glass, Ar Anti-Reflective Coating, Ip68 Junction Box).2. Photovoltaic Modules Should Be Mounted On A Structure Dedicated To This Type Of Solutions For A Given Type And Load-Bearing Capacity Of The Roof. Mount The Modules In Accordance With The Module Assembly Instructions And In Accordance With The Assembly Instructions For The Dedicated Mounting System.3. A Three-Phase Transformerless Inverter That Converts Direct Current Energy Into Alternating Current Energy With Parameters Adapted To The Network And The Requirements Of The Energy Seller. 3-Phase Transformerless Hybrid Grid Inverter. Number Of Independent Mppt Inputs: 2, Battery Voltage Range 120 V To 600 V, Max. Dc Battery Charging/Discharging Power: 5Kw, Ac Output Rated Apparent Power 5000 Va, Mppt Efficiency: 99.9. Protections: Dc Disconnector (Type Ii) (According To En/Iec 61643-11), Breakdown Detection, Pv String/Battery Input Reverse Polarity Protection, Gfci Protection, All-Pole Residual Current Monitoring Unit, Ac Short Circuit Protection, Islanding Protection, Afci Protection, Insulation Resistance Measurement. Wifi /Lan Communication Interface, Communication With Bms / Communication With The Meter Can / Rs485. The Inverter Must Meet The Requirements Of Pge Dystrybucja - Meeting The Requirements Arising From Commission Regulation (Eu) 2016/631 Of April 14, 2016 Establishing The Network Code Regarding Requirements For Connecting Generating Units To The Grid (Nc Rfg Code).4. Energy Storage: High Voltage Energy Storage: Lifepo4 Cell Type, Rated Capacity 7.68 Kwh, Usable Capacity 6.91 Kwh, Nominal Voltage 153.6 V, Operating Voltage 120 V ~ 175.2 V, Operating Temperature Range: Charging: 0 ~ 50°C, Discharging: -20°C ~ 50°C, Cooling Type Convection, Number Of Operating Cycles 6000 Cycles, Protections: Protection Against Overcharging, Protection Against Deep Discharge, Overcurrent Protection, Overheating Protection, Short Circuit Protection, Efficiency (Both Ways) ≥ 95%. Certificates: Iec 62619 / En 61000 Iec 62040 / Un38.35. Ac Switchgear: Power Protection System On The Ac Side (Anti-Shock, Overload And Short-Circuit, Overvoltage Protection).6. Dc Switchgear (Overload Protection, Overvoltage Protection).7. Cabling And Connection System: Uv Resistant Solar Cable, 4Mm2.8. Remote Monitoring System For Electricity Production.9. Grounding Of The Pv.10 Installation. The Installation Must Have An Operation And Use Manual In Polish.11. The Contractor Will Ensure An Inspection Of The Pv Installation During The Warranty Period.