Solar Inverters from COMPETENCY to CREATION

Solar Inverters from COMPETENCY to CREATION

Su-Kam Power Systems.

India s Solar Market Classification Range Sweet Spot 0-250W 5-10W Applications Rural Home Lighting, Street Lighting, Lanterns, Emergency Lights, Lighting Retrofits etc TAM 20 million+ households, Remote Village Electrification program of MNRE covering about 10,000 villages 250W-5KW (offgrid) 1KW Residential, Small Commercial, SPV Pumps Entire Power back-up industry market, 4 million inverters per year 5-50KW (rooftop, off-grid) 3KW Big Commercial, Telecom Towers, Rural ATMs, Govt. Buildings 150,000+ rural telecom towers, 50,000+ rural ATMs 3-100KW (rooftop, grid connected) 3-25KW Big Commercial, Govt. Buildings 70% of commercial buildings in 2030 are to be built from now to 2030. >100KW, IPP, Grid-connected 100KW-1MW Independent Power Plants National Solar Mission 1000MW by 2013, 20,000MW by 2022

Solar Applications DC / Low Power Apps Solar Charger Controller Quality of charge controllers are mostly not good Mostly non-pwm. No multi-step charging No Temp. compensation of batteries No State of Charge information 5 Ceiling Retrofits Essentially a Cost Vs Performance dilemma!

Standalone Solar Power Systems for Households Energy Source High-efficiency charge controllers Low-cost MPPT Mains PV Array Energy Conversion Solar Charger Controller Solar PV Inverter AC Distribution Panel for Load Utilization Loads Battery Battery Life 1200-1500 cycles @ 60-70% DoD Electronics Life 10+ yrs Efficiency 96%+ Controlled DoD, Top-up Charging, Equalization All of above with wider temperature / moisture / dust / handling tolerances

Off-grid Solar PV Systems (Telecom, ATM ) DG EB Grid Solar panel Solar Charge Controller SMPS AMF Panel Controller & GSM/GPRS Modem Battery bank Change Over switch Inverter DCDB ACDB Control & Measurement Bus DC Load AC Load Battery Management & Control System. High Efficiency High Reliability, N+1 Redundancy Modularity Remote Monitoring, NOCC Center Alerts and Triggers

Roof-top Grid Connected Systems Islanding Creating Virtual Grid DG Set compatibility Net Metering Feed-in Tariff Grid Stability Grid Availability

Su-Kam Solar Energy Products 1. Solar Home Lighting System. 2. Stand-alone Solar Power Systems for households. 3. Grid-Connected Solar Power Systems for household and small establishments 4. Solar Powered Street Lighting Systems. 5. Solar Powered Water Heaters for households 6. Solar Powered Tube-wells. 7. Solar Powering and Management Systems for Cellular Mobile Towers. 8. Solar Powering and Management Systems for Rural ATM machines.

Su-Kam s Completed Project Rural Solar Home Lighting Systems 1.2 3.6W DC Consumption 100-300 Lumens

Su-Kam s Ongoing Projects Solar LED Lighting Solutions Essential Features : More than 3 days of autonomy Automatic Dusk to Dawn Controller (DTDC) / Timer operation Highly efficient charge controller Temperature compensated set points Weather proof luminaries All necessary protection UV stabilized bowl and canopy Anodized aluminum reflectors 7.2 14.4W DC Consumption 600-1200 Lumens

Su-Kam s Completed Projects Standalone Solar Power Systems for Households PV Module SCC Mains LOAD Available in 250VA, 400VA, 650VA, 850VA, 1500VA packages! Solar Inverter Battery LOAD

Su-Kam s Completed Projects Standalone Solar Power Systems for Households

Su-Kam s Ongoing Projects MCD Aap Ke Dwaar Su-Kam Solar PCU Range: 1 to 10 KVA Solar powering of 2000 Information Kiosks for Municipal Corporation of Delhi, New Delhi

Su-Kam s Completed Projects... 6 KW Hybrid Solar Powering of Telecom Site in Uganda Power Back-up for Telecom Major Clients:

Su-Kam s Ongoing Projects Solar Powering of ATM Machines State Bank of Patiala ATM, Sangrur, Punjab Turnkey Solution for Hybrid Solar-Grid powering.

Su-Kam s Completed Projects... 40 KW Solar Inverter at Brahma Kumaris Ashram, Manesar Three Phase Solar Inverter Range with Grid Charging: 10 to 100 KW

Su-Kam s Ongoing Projects Grid-Connected Solar Power Systems for household and small establishments Grid-tied Solar Inverter Grid-tied Solar Inverter Available from 3 KW 10 KW

Su-Kam Solar Products Solar Panels Solar HF Inverters Solar Charge Controllers Solar Power Conditioning Units (PCU) SMF Battery (7.2 200AH) Solar Inverter 3P (till 100KW) Solar Inverter 1P (till 10KW) Monitoring Software

Su-Kam s Valued Clients

Testing Standards / Accreditation Agencies Testing Accreditation NABL, Solar Energy Center, Fraunhofer Institute, Intertek G83/1 Engineering Recommendation For Small Scale Embedded Generator Main focus on Power Quality Parameters Voltage & Frequency Range Flicker, DC injection Harmonics and PF Loss of Mains test Under / Over Voltage: 207V / 264V Under / Over Frequency: 47Hz / 50.5Hz IEC 61727 IEC 62109 IEC 62116 IEC 60364 IEC PV BoS Standards PV Systems - Characteristics of the Utility Interface. <10KW PV systems connected to low voltage grid. Safety of Static Inverters. Comparable to UL 1741. Mechanical and Electrical safety aspects Testing procedure of Islanding Prevention Methods for Utility- Interactive PV Inverters Electrical Installations of Buildings: Requirements for Solar PV power supply systems Customize the PV Inverter testing standards for India

Focus on new technologies Multi-string inverters - a single inverter to convert power input from several module strings, reducing inverter costs for PV systems. Maximum Power Point Tracker (MPPT) for each string, ensuring maximum energy yield. Modularity and N+1 redundancy Improve MTBF to give better reliability Improved Higher KVA product range. Minor KVA adjustments in the lower end inverters. HF Solar Inverters Micro inverters for maximizing the efficiency. Grid Interactive solar Inverters to be a part of the solar Power generation play will be the dominant business in the coming years

Solar Inverter R&D, Future R&D: Needs Center of Excellence in PV at IIT-Mumbai - Network of CoEs MNRE s PV Research Council Industry Experts, Scientists, Researchers, Reps CIIE at IIM, Ahmadabad Innumerable Solar start-ups Future Needs: Need to create critical mass of researchers Fill the link between lab to plant Pre-competitive collaborative research thru open domain or consortium model Cost Effective Power Electronics MPPTs, Micro Inverters. Special Focus on Batteries and storage technologies Innovative solutions esp. Business models 1 st Generation Early adoption, Technology proofing. 2 nd Generation Repeatability, Efficiency. 3 rd Generation Scaling-up.

Summing Up

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