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?