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