Suryamitra- Solar Energy- Skill Development Program

Basics of Electricals
  • What is Electricity
  • Tools / tackles
  • Electrical Lab visit / Demo
  • Soldering
  • Fuse
  • Cabling / wiring accessories : Wires & Cables
  • Laws of resistance and Ohms Law
  • Common Electrical Accessories

Work, Power & Energy

Work, Mechanical Power, Energy, Units of Energy, Pump & it's efficiency, Heating Effects of electric circuits, Wattage of household items, Horse Power.

  • Magnetism : Types of Magnets, Terms of Magnetism, Magnetic 7 Needle, Current & Magnetic field, Law of ampere, Solenoid, Self & Mutual Inductance, Hysteresis Loss
  • Alternating Current : Alternating Current, Frequency, voltage, RMS value, Average Value, Sine wave, Single Phase, 3 Phase, Line Voltage, TPM Switch, Change Over switch. Clip On meter, Contactor, ON/Off Switch, Reversing Switch, Electrical Measuring Instruments (Description and applications): Multimeter, wattmeter, energy meter, P.F. Meter, Frequency meter (Digital and Analog). Simple AC Circuit
  • Generation, Transmission and Distribution Of Electricity Generation (Steam, Hydro, Solar, Nuclear) Distribution Methods, Sub Station, Circuit Breakers, DC Transmission, Underground Cable systems, Cable Construction, Cable Trench
  • Lightening arrestor principle and types, HV transmission, surge voltage, lightning arrestors.

Introduction to Renewable and Solar Energy
  • Renewable Energy and its prospects various RE sources.
  • Introduction to Solar Energy and Solar Radiation, its importance, Differentiate solar PV and solar thermal energy.
  • Solar Resource Measurement, Instrumentation and its applications.

Introduction of Photovoltaic Technology and its applications
  • Basics of Light to Energy Conversion
  • Brief History of Solar/PV cells
  • Physics of Energy Conversion in Solar Cell (Current and Voltage)
  • Understanding basic terminologies of a PV cell (I-V Curve, efficiency, FF)
  • Solar Cells to Module, Module name plate specifications, Module to Array and Basic Structure of PV module
  • Classification of PV Modules based upon technology
  • Brief on PV Cell/Module manufacturing process
  • STC and NOCT test conditions and Characterization of PV Modules
  • Factors affecting output of a PV module (Temperature, Irradiance, Tilt angle, cell area, shadowing, dust, mismatch, PV module configurations, MPPT operation etc.)
  • PV module defects and degradation in the field (Techniques for identification of defects)
  • PV module Testing and Certification Standards
  • Applications of PV, different configurations of PV power system: Stand alone, Grid, hybrid system etc.

Components of a PV System: Battery, inverter and Charge con
  • Basics of standalone PV system, Balance of System (BOS)
  • Introduction: Batteries, type of batteries, operation and structure
  • Basic Terminologies of a Battery, Charging & Discharging Characteristics
  • Factors affecting Battery operation and Selection Criteria
  • Testing standards for batteries
  • Introduction: Inverter, type of Inverters, operation, make and specifications
  • Basic Terminologies of a Inverter and Characteristics
  • Factors affecting inverter operation and Selection Criteria
  • Testing standards for inverters
  • Basics of Charge controllers, operation and specifications, DC-DC converters
  • Types of charge controllers and selection criteria
  • Components of a grid connected SPV system (ACB, DB and cabling)
  • Types of wires and selection criteria, wire sizing.
  • Other components like: Junction Box, Lighting arresters, grounding etc.
Fundamentals of PV system sizing
  • What is Sizing, significance and steps involved in sizing?
  • Load Estimation, analysis and basics on energy efficiency.
  • Site survey and assessment. Shading analysis, Customer profiling and Role play.
  • Inverter, Battery sizing and its aspects.
  • Module sizing and its aspects. Lay out diagrams. Spacing of PV strings and placing of each component. Selection of modules, batteries and inverters from the market specifications.
  • Various steps involved in sizing of grid connected PV systems.
  • Introduction to single line diagram and its significance.
  • Listing of various components required for a grid connected and stand alone Solar power plant. (A check list of Each and every component).

Trouble Shooting of PV Modules
  • Introduction to instruments used for monitoring performance of PV module.
  • Quality assessment of the PV modules delivered at the site.
  • Methods/Techniques in identifying various defects in a PV module.
  • Measurement of various parameters in a PV module/PV string.
  • Interpretation of performance data, and troubleshooting of possible defects in PV module.

Troubleshooting of Batteries, Inverters and Charge controllers
  • Quality assessment of the batteries inverters and charge controllers delivered at the site.
  • Introduction to tools required for battery and inverter maintenance
  • Trouble shooting of Batteries, all types of batteries, Complaints and servicing.
  • Trouble shooting of inverters, Complaints and servicing.
  • Trouble shooting of Charge controllers: Complaints and servicing.
  • Trouble shooting of other balance of systems: wires, connections, casings, Fuses and relays.

Importance of Tools and its applications
  • Introduction to various tools used in the power plant installation, its usage.
  • Safe handling of tools.

Check list preparations and Pre-requirements of installation
  • Solar PV plant installation check list.
  • Qualitative and Quantitative assessment of various components in the system.
  • Safe handling of each component, in the site, during transportation and stocking.
  • Essential documentation required for site installations.

Structure Erection and Civil Works
  • Brief on civil foundation and, erection of supporting structures.
  • Fixing the foundation of the structure and, the grounding considerations.
  • Installation of mechanical structure
  • Foundation: Reinforcement and Shutting other balance of systems
  • Mechanical safety aspects

Installation of Solar Power plant
  • Preparation and general considerations for installation (DC and AC components).
  • Installation of Array support structure and mounting of PV modules.
  • Interconnection of modules, strings and Combiner boxes.
  • Installation of other System components, i.e. Inverter, battery etc.
  • Installation of AC and DC power distribution boxes.
  • General safety consideration in the installation phase of solar power plant.

Cable Tray and Cable Laying: SCADA and Control System
  • Details of various cable tray and materials used for the same. Precautions on the cable laying procedures.
  • Guidelines for DC and AC cable layout and connections.
  • Introduction to SCADA control system, and their relevance.
  • The basic understanding of fault identification scenario on SCADA systems

15.Commissioning and Testing
  • The procedures involved in the commissioning of the power plants.
  • Preparation and verification of various check list for commissioning and testing.
  • Electrical testing of PV arrays, inverters and other system components.
  • Complete System Testing, functional testing and trouble shooting.
  • Testing for islanding protection