SMA SB 3300TL - Manual (Page 56)

Glossary SMA Technologie AG
Page 52 SB3300TL-11:FE1905 Operating Instructions
Multi-String inverter
Inverter which combines the advantages of using several string inverters (separate
MPP tracking of individual strings) with those using one central inverter (low power-
specific costs).
PLC
Abbreviation for „Power Line Communication“, term for data transmission via the
grid cable
PV
Abbreviation for „Photovoltaics“, term for the conversion of light energy into electri-
cal energy.
PV-generator
Technical facility to convert light energy into electrical energy. Usually the term in-
cludes all PV-modules of a PV-plant that have been mounted and electrically wired.
PV-module
See „Solar module“
PV-plant
A system consisting of components required for the generation and utilization of so-
lar energy. In the case of grid-tied plants these components include the PV-generator
and the inverter.
Solar cell
Electronic component which can supply electrical energy when in sunlight. As the
electric voltage of one single solar cell is very low (approx. 0.5 V) several cells are
combined into solar modules. The material mostly used for solar cells at the moment
is silicon. It is upgraded in different ways (mono-crystaline, poly-crystaline, amorph)
before use. There are also various ways to increase efficiency mechanically. In addi-
tion totally new materials are currently tested (Cadmium-Tellurid, Cadmium-Indium-
sulfide, titan dioxide etc.).
Solar energy
Energy supplied by the sun, i. e. energy from sunlight or other irradiation (heat, UV
radiation)
Solar module
Combination of individual solar cells in one enclosure which protects the delicate cells
against mechanical strain and guarantees easy installation.
Stand-alone plant, island plant
Power supply system which is totally independent from external power supply.