Solutions for Protection and Monitoring of photovoltaic plants
Electrical safety in photovoltaic plants
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Transcript of Electrical safety in photovoltaic plants
ELECTRICAL SECURITY IN PHOTOVOLTAIC POWER PLANTS
R.D. 1663/2000 : Electrical security in photovoltaic plants connected to low voltage networks
R.E.B.T. 2002 : Low voltage electrotechnical regulation
R.D. 2818/1998 : Electricity production by Renewable Energy, Waste and CHP resources
ELECTRICAL SECURITY IN PHOTOVOLTAIC POWER PLANTS
TRANSMISSION LINES
ELECTRICAL SUBSTATION
ELECTRICITY METERS
PHOTOVOLTAIC PANELS
ELECTRICAL SECURITY IN PHOTOVOLTAIC POWER PLANTS
INVERTER
DC PROTECTION BOX
R.D. 1663/2000
1.- General manual switch (Accesible for the supplier company)1
2.- General circuit breaker2
3.- Earth leakage circuit breaker (ELCB)3
5
5.- Maximum and minimum voltage and maximum and minimum frequency
4.- Interconnect switch4
R.E.B.T. 2002
6.- Surge protector
6
6PHOTOVOLTAIC PANELS
DC PROTECTION BOX
ELECTRICAL SECURITY IN PHOTOVOLTAIC POWER PLANTS
PHOTOVOLTAIC PANELSINVERTER
DC
AC
- First insulation fault No earth leakage current
Fuse selection
Umax.
In / ISC
- Second insulation fault Short circuit
SHORT CIRCUIT
ELECTRICAL SECURITY IN PHOTOVOLTAIC POWER PLANTS
Thanks for your attention
ELECTRICAL SECURITY IN PHOTOVOLTAIC POWER PLANTS