NBN EN 61173 : 1995

Introduction
1. Scope and object
2. Normative reference
3. Sources of overvoltages
3.1 External origin of overvoltages
3.2 Internal origin of overvoltages
4. Methods to reduce overvoltages
4.1 Equi-potentialization (bonding)
4.2 Grounding
4.3 Shielding
4.4 Stroke interception
4.5 Protective devices
4.6 Principle of operation
Figures
Annex ZA (normative) Other international publications
         quoted in this standard with the references
         of the relevant European publications

Gives advice on the protection of overvoltage issues for both stand-alone and grid-connected photovoltaic power generating systems. Coverage includes: external origin of overvoltages; internal origin of overvoltages; equi-potentialisation (bonding); stroke interception. Also gives detailed diagrams.