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June 22, 2016

​Utility-Owned PV: How to Efficiently Plan, Implement, and Maintain 250kw – 5MW Systems

This modular, comprehensive course offers instructional videos to support cooperative project managers with the design, installation and maintenance of solar PV systems.

1. Introduction to SUNDA
Purpose: To prime course participants with an overview of SUNDA and the resources developed through this project, including the SUNDA 1 MW reference design.

  • Understand the purpose, objectives and what participants are expected to know and do upon completing this course

  • Identify the available SUNDA resources and how to effectively utilize them for local project implementation, including the SUNDA design templates, the three-volume SUNDA utility manuals, toolkits, and procurement provisions

  • List the key specifications and attributes of the SUNDA 1 MW reference design​​

2. Solar Radiation Resource
Purpose: To cover the basics of solar radiation resources and terminology.

  • Identify the sources for solar energy data

  • Define solar radiation terminology and units of measurement

  • Examine the effects of array orientation on solar energy received and energy production for the SUNDA 1 MW reference design

3. Site Surveys & Planning
Purpose: To address land acquisition and site prep considerations.

  • Determine suitable array locations and land area required based on array ratings or desired energy production

  • Acquire land and secure permits

  • Assess soil conditions, grading requirements and drainage

  • Identify point of interconnection with distribution system

  • Identify security plans for construction and operations

  • Identify potential safety hazards and how to mitigate the hazards in accordance with OSHA standards

4. System Components
Purpose: To cover the fundamentals of PV systems and identify the major components for the SUNDA 1 MW reference design.

  • Identify the major components in a PV system, and associated balance-of-system components

  • Describe the basic types of PV systems, their purpose and applications, including stand-alone, utility-interactive and multimode systems

  • Identify the major components used for the SUNDA 1 MW reference design

5. PV Modules & Arrays
Purpose: To cover the technical basics of PV modules and specifications for SUNDA’s 1 MW reference design.

  • Identify basic types of silicon solar cells and their characteristics

  • Identify the construction and features of typical PV modules

  • Define the current-voltage (I-V) characteristic for a PV device and the key operating parameters

  • Understand how sunlight and temperature affect output

  • Describe the specifications of the PV modules used for the SUNDA 1 MW reference design

  • Determine the electrical ratings for the individual strings, output circuits (subarrays), and inverter input circuits for the SUNDA 1 MW design

6. Power Conditioning Equipment
Purpose: To go over the power conditioning equipment and the variety of inverters offered, including the Schneider series used in the SUNDA 1 MW design template.

  • Identify the various types of power conditioning equipment used in PV systems

  • Describe the various types of inverters used in PV systems and their functions and characteristics

  • Examine the specifications and features for the central inverters used for the SUNDA 1 MW reference design

7. System Design
Purpose: To cover system design basics as well as SUNDA’s 1 MW reference design package.

  • Identify the key elements of PV system design

  • Review and discuss the key elements of the SUNDA 1 MW reference design package

  • Identify popular PV system design tools and software

8. Mechanical Integration
Purpose: To cover mechanical design considerations and requirements for the Schletter FS racking system used for the SUNDA 1 MW reference design.

  • List key considerations for the mechanical design and layout of PV arrays

  • Identify various types of PV array mounting systems and their features

  • Identify the mechanical design features and layouts for the SUNDA 1 MW reference design

  • Identify the key features and installation requirements for the Schletter FS racking system used for the SUNDA 1 MW reference design

  • Understand the basic principles for determining design wind loads on rack-mounted PV arrays

9. Electrical Integration
Purpose: To cover key articles from the National Electrical code and electrical integration basics.

  • Identify the key articles and sections of the National Electrical Code applicable to PV systems

  • Define key terms and circuits for interactive systems

  • Calculate the maximum voltages and currents required for sizing conductors and overcurrent protection devices.

  • Identify the requirements for disconnecting means in PV systems

  • Discuss special wiring methods permitted in PV systems

  • Describe the requirements for grounding and bonding PV systems

10. Utility Interconnection
Purpose: To address interconnection requirements and standards.

  • Identify the codes and standards applicable to PV system interconnections

  • Describe the basic requirements and status of IEEE 1547

  • Describe the basic requirements for load-side and supply-side interconnections

  • Discuss the interconnection details for the SUNDA 1 MW reference design

11. Commissioning
Purpose: To outline the necessary steps and components for commissioning, system documentation and owner/operator training.

  • Identify the applicable standards and key steps in the commissioning process

  • Identify various commissioning tests, procedures and equipment

  • List the key elements of a final system documentation package

  • List the major areas to be covered for user/operator training

12. Operations & Maintenance
Purpose: To cover the basics of PV system operations and maintenance.

  • Develop project specific maintenance plans, schedules and responsibilities

  • List the basic maintenance considerations for PV systems, including periodic visual inspections, electrical verification testing, and routine balance of plant maintenance

  • Understand the basic requirements for plant operations, and how monitoring systems are used to verify performance and identify issues requiring unscheduled maintenance




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