PVOL203: PV System Fundamentals (Battery-Based) Online Course
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PV systems with energy storage are a rapidly growing segment of the industry. This course builds a foundation for understanding many battery-based applications, in which the complexity far exceeds that of a grid-direct PV system. Load analysis is addressed along with other critical design criteria such as battery bank design, equipment options, and electrical integration of system components. Component options are covered in detail, including batteries, charge controllers, and battery-based inverters. Different battery chemistries, associated pros and cons, and cost comparisons are investigated along with safety and maintenance considerations unique to battery-based PV systems.
This course was recently refreshed – click h...
This course was recently refreshed – click here to see what’s been updated.
PREREQUISITE COURSE: Before participating in the PVOL203 course, students MUST complete PV101 or PVOL101, an equivalent course from another organization, have NABCEP certification, or demonstrate field experience and pass a placement quiz.
What You Will Learn
Students who complete PVOL203 will be able to:
- Recognize different uses for energy storage
- Define terminology used in energy storage
- Define electrical characteristics of battery systems
- Identify common battery types for PV applications
- 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
- Distinguish different battery technologies
- List ways to compare battery technologies
- Categorize benefits and limitations of battery types
- Compare capacity, power, and C-rate in various storage applications
- Identify parts and construction of lead-acid batteries
- Compare valve regulated (VRLA) and flooded lead-acid (FLA) battery types
- Define capacity and voltage of different battery configurations
- Quantify impact of depth of discharge and temperature on cycle life
- Determine state of charge of batteries
- List general installation and maintenance requirements
- Identify parts and construction of lithium batteries
- Describe the functions of a battery management system
- Compare NMC and LFP technologies
- Define how capacity and voltage apply to lithium batteries
- Determine the state of charge of a lithium battery
- List general installation and maintenance requirements
- 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
- 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
- Classify uses and types of battery-based inverters
- Describe the importance of sine wave AC output
- Identify DC and AC connections to battery-based inverters
- Examine specifications of various battery-based inverters
- Discuss the importance of programming 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
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