Students who complete PV202 will be able to:
* Define the purpose of the National Electrical Code (NEC®) and NEC®
terminology for PV equipment
* Determine procedures for proper installation of equipment and conductors,
including minimum requirements for working space
* Examine methods for PV wire management and determine where expansion fittings
are required
* Describe and identify electrical services, including split-phase and
three-phase Wye (Y) and Delta (â)
* Evaluate electrical service details to collect and record during solar site
evaluation
* Identify options for NEC®-compliant PV system interconnection to the utility
grid and determine whether a supply side, load side, or additional service
connection is appropriate
* Identify code-compliant methods for connecting an inverter to an existing AC
feeder
* Calculate PV module voltage based on temperature to ensure compatibility with
system components and NEC® Section 690.7, and explore other options for
maximum PV system DC voltage calculations
* Identify NEC® requirements and sizing of disconnects and overcurrent
protection devices (OCPDs) in grid-direct PV systems
* Define inverter grounding configurations
* Evaluate inverter choices and system configurations, including string
inverters, central inverters, and module level power electronics (MLPE)
* Identify requirements for equipment grounding, equipment grounding conductors
(EGC), and grounding electrode conductors (GEC), and size the conductors
according to the NEC®
* Identify common causes of ground-faults and arc-faults
* Describe ground-fault and arc-fault protection devices
* Describe benefits and appropriate locations of surge protection devices (SPD)
* Demonstrate the use of sun charts and perform calculations to determine row
spacing and minimize inter-row shading
* Identify how Codes detailing access for first responders impact PV array roof
layout
* Examine fire classifications that affect racking and module selection
* Detail NEC rapid shutdown requirements and options for implementation
* Identify load and structural considerations for low- and steep-slope
roof-mounted PV systems
* Calculate wind uplift force and select appropriate lag bolts
* Review issues related to planning, design, and installation of ground-mount
PV arrays
* Review PV system circuit terminology, definitions, and conductor types
* Calculate minimum overcurrent protection device (OCPD) size and conductor
ampacity using appropriate adjustment and correction factors
* Calculate voltage drop and verify system operation within acceptable limits
* Examine requirements for PV system labeling
* Calculate the maximum and minimum number of modules per PV source circuit,
and number of PV source circuits per inverter
* Determine size of residential grid-direct PV system based on site and
customer-specific considerations including the number and wiring layout of
modules, conductor and OCPD sizes, and the AC interconnections
* Determine the size of a large, multiple inverter, grid-direct PV system based
on site and customer-specific considerations, including the quantity and
layout of modules and inverters and the AC interconnection
* Define large-scale PV and review associated NEC® allowances and requirements
* Describe importance of Data Acquisition Systems (DAS)
* Identify common DAS equipment and hardware
* Review DAS design, installation, and commissioning processes and common
problems associated with DAS
* Show how reports can be generated and utilized to remotely assess health of
system