Installation of Solar System for H1 and H2 Hall at Honorable Chief Minister Residence 5 Kalidas Marg

( a) High Energy Efficiency Solar photovoltic module of capacity 330 WPp or above, manufactured in india, conforming to IS 14286/iec 61215,IS/IEC 61730-PART-1, IS/IEC 61730 part- 2. Solar photovoltaic module conversion efficiency shall not be less than 23%. at STC with temperature coefficient of Pmax better than -0.30% per degree C PV Modules used in solar power plants/system must be warranted for their output peak watt capacity, which should not be less than 90% at the end of 10 years and 80% at the end of 25 years. Solar modules shall be designed to oprate in relative humidity up to 100% with temprature between -10 degree C and +85 degree C . Furher each PV Module used in any solar power projects must have radio frequncy identification tag with infomation such as name of manufacturer, month and year of manufacturing, country of origin ( separatly for solar cell and module), I-V curve , Unique serial NO. and model NO. and model number of the module, wattage, Im, Vm and FF, Name of test lab issuing IEC Certificate.

(b) Power Conditioning Unit (PCU) of 350-800 V DC Input voltage range and 400V AC , three phase, 4 wire, 50 HZz +/- 2.5 Hz , output voltage suitable to generate AC Power with a variation of 10% at nominal voltage . Poer with efficiency not less than 97% , total hormonic distortion less than 3% and suitable for ambient temperature from 0 to 50 degree C . , minimum IP-65 for outdoor and minimum IP 21 for indoor , Built -in meter and data logger, MPPT, switching devices IGBT/MOSFETs and contriller microprocessor/ DSP. PCU/Inverter shall be capable of complete automatic opration including wake- up, Synchronization & shutdown . The PCU shall be able to withstand unbalanced load conforming to IEC Standards with shutdown/standby mode . It must be provided with grid islanding along with manual disconnect pole pole isolation switch besides automatic disconnection . Minimum protections: Mains under/over volage, over current ,over/under grid frequency, over temperature, surge voltage induced at output due to external source . short -circuit, lightening, anty islanding (for grid synch mode) and other protections as per applicable standards . LCD/LED display of minimum parameters : DC input voltage , DC current, AC voltage and current ( all 3 phases in case of 3 phases ) , instantaneous & cummulative AC output power , Daily DC energy produced and other parameters applicable standard. Communication interface RS 485 / RS 232.

(c) Module mounting strucutre: The roof top solar plant generation units shall be installed by using supporting Aluminium/Galvanized MS Structure (mass of zinc coating shall be as per IS4759) having minimum head room clearance of 2.4 meter above the tarrace level / ground level. The mounting structure would be designed to sustain wind load and seismic parameter of the site of installation . All the structure shall be design as per applicable BIS code and the material shall also confirm the applicable BIS Code . Structural material shall be corrosion resistant and electrolytically compatible with the materials used in the module frame, its fasteners, nuts and bolts. The suitable arrangements for maintenance and cleaning shall be provided.

(d) Real time online web interfaced Data monitoring system complete with acessories for various parameters such as solar irradiance, temperature, AC Output Voltage and current, Output power , power factor, DC Input voltage and current , time active, time disabled, time idle, power produced and other parameters as per standers practices.

(e) Array junction box & main junction box with IP 65 protection and termination arrangement for incoming and outgoing cable along with glands , lugs and other accessories etc. as required. Each juntion box shall be made of GRP/FRP/Powder coated aluminium/ cast aluminium alloy with full dust , water & vermin proof arrangement with high quality suitable capacity metal oxide varistors (MOVs) (semiconductor diode with resistant applied voltage) / surge arrestors and suitable reverse blocking diodes, isolation switches isolate the DC input to inverter , copper bus bar etc.

(f) Lightining , surge voltage protection earthing protection and grid islanding.

(g) Cables: Connections & interconnections by required size IR/UV protected XLPE insulated copper conductor 1.1 KV Grade armored power and control cables (ISI Marked) Along with suply and fixing of necessary channel/conduit, GI Cable Trays, supports, lugs, thimble and other accessories etc. as required.

(h) DC Distribution Board and AC Distribution Panel Bord: IP 65, free standing , metal cladded, having copper bus bar, having required protection and control gears, connection- interconnection, etc as required.

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