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LIGHTNING PROTECTION SYSTEM FOR MCCR
Presented by: Katlego MohlalaStudy leader: Dr. A. De Beer.
PROBLEM STATEMENT
To investigate a lightning protection system suitable for MCCR (Micro-processor Controlled Constant Current Regulator).
INTRODUCTION
Micro-processor Controlled Constant Current Regulator (MCCR).
Air Field Ground lighting system (AGL).
MCCR CIRCUITAL LAYOUT
AIRFIELD GROUND LIGHTING SYSTEM
SCOPE
How lightning enters a power network?
Effects of lightning. Surge Protection Devices(SPD’s). Lightning protection zones(LPZ). Earthing methods. OR Tambo system analysis. Conclusion.
HOW LIGHTNING ENTERS A POWER NETWORK
Direct lightning strike.
Indirect lightning strike.
EFFECTS OF LIGHTNING
over voltage and current transients.
EFFECTS OF LIGHTNING
SURGE PROTECTION DEVICES
LIGHTNING PROTECTION ZONES
EARTHING METHODS
METHODOLOGY
Analysis Constraints
Specifications
Lightning Protection Devices
Surge Protection Devices
Lightning Protection
Zones
PROPOSED SOLUTION
Transient voltage suppressor applied with LPZ concept and earthing standards.
QUESTIONS?