Regulatory and Industry Standards for Photovoltaic Installation
Expert-defined terms from the Professional Certificate in Photovoltaic Installation Techniques course at London School of Planning and Management. Free to read, free to share, paired with a globally recognised certification pathway.
Regulatory and Industry Standards for Photovoltaic Installation #
Regulatory and Industry Standards for Photovoltaic Installation
1. AC Coupling #
- Explanation: AC coupling refers to a system where the solar panels are connect… #
This method allows for the addition of energy storage systems or retrofitting an existing solar installation with battery backup capabilities without modifying the existing DC-coupled solar array.
2. Ampere (A) #
- Explanation: Ampere is the unit of electric current flow in a circuit #
It represents the rate of flow of electric charge past a point in a circuit. In photovoltaic installations, the current output of solar panels is measured in amperes.
3. Array #
- Explanation: An array in the context of photovoltaic installations refers to a… #
Arrays can vary in size and capacity depending on the specific installation requirements.
4. Balance of System (BOS) #
- Explanation: Balance of System (BOS) components in a photovoltaic installation… #
This includes inverters, racking, wiring, combiner boxes, and monitoring systems.
5. Direct Current (DC) #
- Explanation: Direct Current (DC) is the type of electrical current that flows… #
Solar panels generate DC electricity, which needs to be converted to alternating current (AC) for use in most electrical devices.
6. Ground Fault #
- Explanation: A ground fault in a photovoltaic system occurs when an unintended… #
Ground faults can pose safety hazards and may lead to system malfunctions if not detected and corrected promptly.
7. Inverter #
- Explanation: An inverter is a device used in photovoltaic installations to con… #
Inverters play a crucial role in maximizing the efficiency of solar power systems.
8. Junction Box #
- Explanation: A junction box is an enclosure on the back of a solar panel where… #
It serves to protect the wiring and connections from environmental factors and ensures the safe and reliable operation of the PV module.
9. Kilowatt (kW) #
- Explanation: Kilowatt is a unit of power that represents 1,000 watts #
In photovoltaic installations, the capacity of solar panels or the overall system is often measured in kilowatts to indicate the amount of electricity that can be generated or consumed.
10. National Electrical Code (NEC) #
- Explanation: The National Electrical Code (NEC) is a set of standards and guid… #
Compliance with the NEC is essential for ensuring the safety and reliability of photovoltaic installations.
11. Ohm's Law #
- Explanation: Ohm's Law states that the current flowing through a conductor is… #
Understanding Ohm's Law is essential for designing and troubleshooting electrical circuits in photovoltaic installations.
12. Photovoltaic (PV) System #
- Explanation: A photovoltaic (PV) system is a technology that converts sunlight… #
PV systems can be used for residential, commercial, and utility-scale applications to generate clean and renewable energy.
13. Quality Assurance (QA) #
- Explanation: Quality Assurance (QA) in photovoltaic installations involves imp… #
QA is essential for achieving reliable and efficient solar power systems.
14. Renewable Energy Credits (RECs) #
- Explanation: Renewable Energy Credits (RECs) are tradable certificates that re… #
RECs help promote the use of clean energy and support the development of renewable energy projects.
15. Solar Photovoltaic (PV) Module #
- Explanation: A solar photovoltaic (PV) module is a device that converts sunlig… #
PV modules are the building blocks of solar panels and are interconnected to form solar arrays in photovoltaic installations.
16. Tilt Angle #
- Explanation: Tilt angle refers to the angle at which solar panels are mounted… #
The tilt angle of solar panels plays a crucial role in maximizing the amount of sunlight they receive and optimizing energy production throughout the year.
17. UL Standard #
- Explanation: UL Standard refers to the safety and performance standards establ… #
Compliance with UL standards ensures that the products meet rigorous testing and quality requirements.
18. Voltage Drop #
- Explanation: Voltage drop occurs when there is a decrease in voltage along the… #
In photovoltaic installations, voltage drop can affect system performance and efficiency, particularly in long wire runs or high current circuits.
19. Watt (W) #
- Explanation: Watt is the unit of power that represents the rate at which energ… #
In photovoltaic installations, the power output of solar panels or the overall system is often measured in watts to indicate the amount of electricity that can be generated.