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Text version of the page
| Introduction to Solar | 4 | ||||||||||||||||||||||||||||||||||||||||
| Introduction to Solar | |||||||||||||||||||||||||||||||||||||||||
| operate reliably and are the best option for many remote applications around the world. Some requirements for obtaining long term performance from a system include: Developing and following a complete operation and maintenance plan Consistent sizing calculations Knowledge of hardware availability and performance Use of good engineering practices when installing the system PV power systems have several attributes which are quite unique compared to other power systems, and call for very different system design procedures. Following are some issues that must be considered: • Cost - For many applications, the advantages of PV systems offset their relatively high initial cost • Efficiency - All components between the PV array and the load must be highly efficient, and each component's characteristics must be considered when sizing the system • Modularity - A PV system can be designed for easy expansion • Reliability - With no moving parts, a PV array is a uniquely reliable energy source, and the system designer must select system components which do not compromise that reliability • Maintenance - Since most PV systems operate at remote, unattended sites, they must be designed for minimum maintenance, typically at six-month or one-year intervals • Power Quality - The quality of the delivered power -frequency, ripple, voltage regulation, harmonic distortion - must be within the load's tolerance • Environment - PV systems create no pollution and generate no waste products | |||||||||||||||||||||||||||||||||||||||||
| With the exception of nuclear power, the sun is the source of all energy used on Earth.Wind power, tidal energy, fossil fuels, hydroelectric plants all depend on the sun, the power engine that drives our solar system. | |||||||||||||||||||||||||||||||||||||||||
| Solar Electric Basics | |||||||||||||||||||||||||||||||||||||||||
| The sun generates an amount of energy so vast as to be almost inconceivable, and the energy that reaches the Earth's surface is substantial. Efficiently collecting this energy and converting it to usable electric power is KYOCERA Solar's principle business. Photovoltaic devices collect solar energy and convert it directly, without moving parts or by-product of any kind, into electricity.Technologically, photovoltaic power systems are capable of providing power for any purpose, large or small, remote or urban. As prices have dropped, the market for photovoltaic (PV) systems has increased dramatically. PV power systems now compete in markets which were previously the unchallenged domains of established power sources. In addition, characteristics such as reliability, longevity, simplicity, low maintenance, silence, and freedom from pollution make photovoltaics compatible with many different applications. | |||||||||||||||||||||||||||||||||||||||||
| r | |||||||||||||||||||||||||||||||||||||||||
| Sunlight | |||||||||||||||||||||||||||||||||||||||||
| Antireflection Coating Transparent Adhesive Cover Glass | |||||||||||||||||||||||||||||||||||||||||
| Charge Controller | |||||||||||||||||||||||||||||||||||||||||
| n-Type Semiconductor p-Type Semiconductor | |||||||||||||||||||||||||||||||||||||||||
| Back Contact | |||||||||||||||||||||||||||||||||||||||||
| 7^33 | |||||||||||||||||||||||||||||||||||||||||
| A stand alone system is a non-hybrid PV power system that is independent of the utility grid or any other power source.The systems | |||||||||||||||||||||||||||||||||||||||||
| Stand Alone PV Systems | |||||||||||||||||||||||||||||||||||||||||
| AC Loads | |||||||||||||||||||||||||||||||||||||||||
| DC Loads | |||||||||||||||||||||||||||||||||||||||||
| Stand Alone System | |||||||||||||||||||||||||||||||||||||||||
| KYOCERA Solar Industrial Products Catalog • April 2006 | |||||||||||||||||||||||||||||||||||||||||