PV203: Solar Training - PV System Fundamentals (Battery-Based)

Description

• Students who complete PV203 will be able to:
  • Recognize demand and PV production curves
  • Identify the common types of PV systems and their major components
  • Describe DC and AC coupled systems
  • Discuss load profiles and modes of operation, including: peak load shaving, time-of-use, zero-sell, self-consumption prioritization, demand-side management
  • Introduce utility-scale storage and microgrids
  • Explain the relationship between real power, apparent power, and reactive power
  • Complete a load estimate for different system types and for seasonal loads; evaluate electrical requirements of loads
  • Identify phantom loads and efficiency upgrades
  • Estimate starting surge and power factor requirements
  • Describe the differences when sizing battery-based systems compared to grid-direct systems
  • Choose a peak sun hour value based on design criteria for various systems
  • Review battery basics and terminology
  • Describe and compare different battery chemistries and technologies
  • Find the capacity and voltage of different batteries; determine state of charge
  • List safety precautions and hazards to be aware of when working with batteries; list appropriate personal protective equipment (PPE)
  • Identify appropriate battery enclosures
  • Calculate values for current, voltage, and energy for different battery bank configurations
  • Review battery bank design parameters
  • Complete a lithium-ion battery bank design example
  • Review and compare different design example costs
  • List features, options, and metering available for different types of battery chargers
  • Explain basics of lithium battery charging
  • Compare generator types and duty cycle ratings, including fuel options
  • Identify specifications critical for choosing appropriate battery-based inverters
  • Discuss different overcurrent protection devices and equipment disconnects and when/where they are required
  • Define the maximum voltage drop slowed for the proper functioning of a battery-based PV system
  • Identify safe installation procedures
  • List basic commissioning tests which should be completed before and after a system is operating