Introduction section1: general requirements



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DEWA Regulations Book - UPDATED 2017
Protective earthing: Earthing of a points or points in a system or in an installation or in equipment for the purpose of safety.


Protective equipotential bonding: Equipotential bonding for the purpose of safety.


PV: Solar photo voltaic


PV a.c. module: Integrated module/invertor assembly where the electrical interface terminal is
a.c only. No access is provided to the dc side.


PV Array: Mechanically and electrically integrated assembly of PV modules, and other necessary components, to form a dc power supply unit.


PV array cable: Out cable of PV array.


PV array junction box: Enclosure where PV strings of any PV array are electrically connected and where devices can be located.
PV Cell: Basic PV device which can generate electricity when exposed to light such as solar Radiation.


PV d.c main cable: Cable connecting the PV generator junction box to the d.c terminal of the PV Invertor


PV generator: Assembly of PV array.


PV generator junction box: Enclosure where PV array are electrically connected and where devices can be located.


PV installation: Erected equipment of PV power supply system


PV Invertor: Device which converts d.c voltage and d.c current in to a.c voltage and a.c current.


PV module: Smallest completely environmentally protected assembly of interconnected PV cells


PV string: Circuit in which PV modules are connected in series, in order for a PV array to generate the required output voltage.


PV String combiner box: A junction box where strings are connected which may also contain over current protection devices and/or switch disconnections.



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