LOW VOLTAGE ELECTRICAL INSTALLATIONS - PART 7-712: REQUIREMENTS FOR SPECIAL INSTALLATIONS OR LOCATIONS - SOLAR PHOTOVOLTAIC (PV) POWER SUPPLY SYSTEMS
International Electrotechnical Committee
FOREWORD
INTRODUCTION
712 Solar photovoltaic (PV) power supply installations
712.1 Scope
712.2 Normative references
712.3 Terms and definitions
712.31 Purposes, supplies and structure
712.4 Protection for safety
712.41 Protection against electric shock
712.410 Introduction
712.412 Protective measure: double or reinforced
insulation
712.414 Protective measure: extra-low-voltage provided
by SELV and PELV
712.42 Protection against thermal effects
712.421 Protection against fire caused by electrical
equipment
712.43 Protection against overcurrent
712.432 Nature of protective devices
712.433 Protection against overload current
712.434 Protection against short-circuit currents
712.44 Protection against voltage disturbances and
electromagnetic disturbances
712.443 Protection against transient overvoltages of
atmospheric origin or due to switching
712.444 Measures against electromagnetic influences
712.5 Selection and erection of electrical equipment
712.51 Common rules
712.511 Compliance with standards
712.512 Operational conditions and external influences
712.513 Accessibility
712.514 Identification
712.515 Prevention of mutual detrimental influence
712.52 Wiring systems
712.521 Types of wiring systems
712.522 Selection and erection of wiring systems in
relation to external influences
712.523 Current-carrying capacities
712.524 Cross-sectional areas of conductors
712.525 Voltage drop in consumers installations
712.526 Electrical connections
712.527 Selection and erection of wiring systems to
minimize spread of fire
712.528 Proximity of wiring systems to other services
712.529 Selection and erection of wiring systems in
relation to maintainability, including cleaning
712.53 Isolation, switching and control
712.531 Devices for protection against indirect contact
(fault protection) by automatic disconnection of
supply
712.532 Devices for protection against thermal effects
712.533 Devices for protection against overcurrent
712.534 Devices for protection against transient
overvoltages
712.536 Isolation and switching
712.54 Earthing arrangements and protective
conductors
712.542 Earthing arrangements
712.55 Other equipment
712.6 Inspection and testing
Annex A (informative) - PV installation information
Annex B (normative) - Calculation of U[OC MAX]
and I[SC MAX]
Annex C (informative) - Examples of signs
Annex D (informative) - Blocking diode
Annex E (informative) - Arc fault detection and
interruption in PV arrays
Annex F (informative) - List of notes concerning
certain countries
Bibliography
Pertains to the electrical installation of PV systems intended to supply all or part of an installation.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 64 |
