The document discusses electrical security requirements for photovoltaic power plants connected to low voltage networks in Spain, referencing relevant regulations. It outlines the key components of photovoltaic systems, including photovoltaic panels, inverters, switches, circuit breakers, surge protectors, and meters. Safety measures are explained, such as ensuring no earth leakage current and short circuit protection.

1. ELECTRICAL SECURITY IN PHOTOVOLTAIC POWER PLANTS

2. 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

3. ELECTRICAL SECURITY IN PHOTOVOLTAIC POWER PLANTS TRANSMISSION LINES ELECTRICAL SUBSTATION ELECTRICITY METERS PHOTOVOLTAIC PANELS

4. INVERTER DC PROTECTION BOX PHOTOVOLTAIC PANELS DC PROTECTION BOX ELECTRICAL SECURITY IN PHOTOVOLTAIC POWER PLANTS R.D. 1663/2000 1.- General manual switch (Accesible for the supplier company) 1 2.- General circuit breaker 2 3.- Earth leakage circuit breaker (ELCB) 3 5 5.- Maximum and minimum voltage and maximum and minimum frequency 4.- Interconnect switch 4 R.E.B.T. 2002 6.- Surge protector 6 6

5. PHOTOVOLTAIC PANELS INVERTER DC AC ELECTRICAL SECURITY IN PHOTOVOLTAIC POWER PLANTS - First insulation fault  No earth leakage current Fuse selection Umax. In / I SC - Second insulation fault  Short circuit SHORT CIRCUIT

6. Thanks for your attention ELECTRICAL SECURITY IN PHOTOVOLTAIC POWER PLANTS