SITC of Ground mounted solar and 25 year comprehensive operation and maintenance

SITC of Grid interactive Solar Photovoltaic Power Plant of required capacity having specifications as per A, B, C, D, E, Fand G (a) Solar Photovoltaic module: MNRE approved and ALMM listed, SPV module of capacity 610 Wp or above, Anodized Aluminium Alloy Framed Topcon G12R Topcon Bifacial, manufactured in India, conforming to 15 14286/IEC 61215, 15/IEC 61730-Part-1, IS/IEC 61730-Part-2., 2 mm Low Iron ARC semi-tempered glass , IP-68 PPL Junction box, 4.0 sq.mm cable with MC4 solar connector, conversion efficiency shall not be less than 22.21 % on STC, performance warranty for their output peak watt capacity > 90% at the end of 10 years and > 80% at the end of 25 years. (b) Inverter / PCU: MPPT integrated, IGBT/MOSFET based and microprocessor/ DSP controlled Power Conditioning Unit (PCU) of AC nominal power output rating equal or greater than the required KWp of the module in IP-65 Enclosure, of 250-1500 V DC Input voltage range and 400 V AC, TPN, 50Hz +/- 2.5 Hz, Efficiency 97%, THD <3%, Overloading capacity/10%, remote monitoring facility and PCU shall adjust the voltage and frequency level to suit the Grid Voltage Frequency. (c) Module mounting structure: MMS Steel shall be as per latest IS 2062:2011 and galvanization of the mounting structure shall be in compliance of latest IS 4759, All bolts, nuts, fasteners shall be hot dip galvanized, MMS shall be designed and installed to withstand the speed for the wind zone of the location with factor of safety 1.5, STAAD report of structure to be submitted (d) Array Junction Box / DCDB IP 65 AJB /Enclosure mounted on MMS with Polyamide glands and MC4 Connectors and cable ferrules for identification. DC fuses with SPD type-II/MOV type surge arrester to be provided. (e) ACDB: IP 65 ACDB/Enclosure mounted on MMS with Polyamide glands and MC4 Connectors and cable ferrules for identification. MCB/MCCB with SPD type-II/MOV type surge arrester to be provided. (f) Earthing and Lightning protection: The entire space occupying the SPV array shall be suitably protected against Lightning by deploying required number of Lightning Arrestors (LAs). as per NFC17-102:2011/IEC 62305 standard and three no. of Earthing with suitable size earth conductor (g) Solar meter and Cable: Laying of array cables to PCU/ DCDB unit along with supplying & fixing of necessary Gl raceways/MS conduit lugs and suitable size aluminium armoured cable from ACDB to Electrical panel (up to 50 Mtr.) Discom approved solar meter (Direct or CT operated) with suitable size IP65 enclosure or MIP box with CT. All cabling up to panel and metre, earthing etc. required accessories and taxes are inclusive. The work shall be executed as per detailed technical specifications mentioned in tender documents and as per tender terms condition, approved drawing and direction of Engineer in-charge.