Tenders Are Invited For Construction Of A Photovoltaic Installation With An Energy Storage

2) Scope: Delivery And Assembly Of Photovoltament Panels. With A Power Of 49.88 Kwp, Delivery And Assembly Of An Energy Warehouse With A Capacity Of Up To 50 Kwh.3) The Item Includes: Delivery And Installation Of Photovoltaic Panels Intended For The Production Of Electricity, With A Total Rated Power Of 49.88 Kwp. Installation Solar. It Will Consist Of 116 Monocrystalline Solar Modules. With 430 Wp, Each, Connected In Series With Solar Cables. Photovolt Panels. Will Be Installed According To Doc. Design. For The Designed Installations, It Is Also Required, Among Others, To Ensure Lightning Protection By Adapting The Existing Lightning Protection System To The Requirements Of The Protection Of The Photovolt Acceptance Of Works. 6) General Principles Of Order Implementation: 6.1) Min. Require. Modules Designed For The Construction Of Solar Installations.:- Rated Power Pmpp [W]: 430 W- Voc Open Circuit Voltage: 38.97 V- Maximum Power Voltage Vmpp [V]: 32.41 V- Isc Short Circuit Current: 13.80 A- Power Current Max. Impp [A]: 13.27 A- [%]: 79.9%- Efficiency [%]: 21.5%- Number Of Diodes [Pcs Mc4gwarmence Manufacturer For Product: Minimum 10 Years Of The Manufacturer For Power: Minimum 25 Years6.2) Min. Requirements For Inverters (Inverters) Designed To Build A Photovoltaic Installation: - Should Be Three -Phase Devices, Carelessly Adapted To A Voltage 400/230Vac, 50Hz, - Should Have A Fire Shock Protection In The Absence Of A Network Power Supply, - Voltage Range During Operation: Min 580–900 (V) - Maximum Range Of Voltage Range: Min 300–950 (V) - Maximum Input Current: 2X32 (A) - Output Voltage: Min 305-480 (V) - Output Voltage Frequency: 50Hz/60Hz (42 - 68Hz) - Max. Output Voltage: 3 X 23 (A) Harmonic: 0.5 (%) - Euro Efficiency: 97.6% - Maximum Energy Consumption In The Absence Of Work: 1.5 (W) - Production Technology: Carefree - Display: Graphic Display + Leds - Ports: Ethernet, Usb, Rs485 - Operating Temperature: -25 ° C + 60 ° C - Cooling: Adjustable Fan Depending On The Temperature: Minimums Ip65, - Setting Work For Ac +/- 10% From 230Vinweter Should Also: - Meet The Requirements Specified In The Standards: Pn -En 62109-1: 2010 And Pn -En 62103-2: 2011, - Enable Communication, E.G. Bluetooth, Wlan Or Lan, Ethernet, - Have Security: Dc Insulation Measurement, Dc Disconnector, Protection Against Reverse Polarization, Have Adjustable Forced Ventilation, - Have Catalog Cards, Certificates And Conditions Of Inverter Guarantee That Should Be Prepared In Polish, Manufacturers Warranty For The Product: Minimum 10 Years. The Nominal Power Of The Inverters Must Be Not Less Than The Nominal Power Of The Photovoltaic Module Along With Positive Power Tolerance. 6.3) Minimal Frosting For The Energy Storage: - Nominal Capacity: Maximum 50 Kwh. - Battery Type: Lithium-Ion (Preferred For Durability And Efficiency). - Warehouse Efficiency: Above 85% (Round Trip Efficiency). - Bms System (Battery Management System): - Monitoring Of Temperature, Voltage And Currents