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A 2-Day Technical Seminar on
LIGHTNING PROTECTION
of
Overhead Lines and Substations
by Dr Franco D’Alessandro, B. App. Sc., PhD., SMIEEE
What you will learn:
1. Principles of Lightning Protection
2. Lightning Physics and Effects, Personal Safety
and Damage Mechanisms
3. How to Carry Out a Lightning Risk Assessment
4. How to Manage the Risk due to Lightning
using a simple Checklist Approach
5. How to Protect Overhead Lines
6. How to Protect Substations
7. Fundamentals of Earthing for Lightning
Transients
SYDNEY
27-28 July 2015
Rydges World Square
Sydney
MELBOURNE
30-31 July 2015
Stamford Plaza
Melbourne
9.00am-5.00pm
Course Overview
Lightning is a common and significant cause of outages on most power systems. Mitigation of
the effects of lightning is often not well understood and can often be improved. This seminar is
designed to provide a background in lightning protection for those people responsible for the
reliability of power distribution and transmission systems as well as substations. The seminar
places great emphasis on assisting attendees with an understanding of the key principles
and concepts regarding lightning protection of power systems. The seminar will also
include constant references to international best practice, as articulated in the relevant Standards,
e.g., IEEE 1243, IEEE 1410, IEEE 998 and AS/NZ 1768.
Who should attend?
This 2-day seminar will present a practical approach to lightning protection and is intended for
managers and engineers concerned with the design of new lines and substations and with
implementing appropriate measures to improve the lightning performance of existing lines and
substations. It will be of considerable value to engineers and technicians involved in the operation
of power systems during thunderstorms. The seminar will also be of interest to non-specialist
engineers and graduate students who would benefit from an introduction to lightning and
lightning protection. No prior knowledge is assumed.
Participants may be required to work illustrative examples during the seminar and therefore should
bring a scientific calculator to the seminar.
About the Course Leader
Dr Franco D’Alessandro received the degrees of B.App.Sc. (majoring in
mathematics and physics), B.Ed. (secondary teaching) and Ph.D.(experimental
physics) from the University of Tasmania, Australia, in 1986, 1987 and 1996
respectively.
The first decade of his career was in university teaching & research. He then
moved into the private sector where he worked for more than a decade in
lightning protection and earthing as a senior research scientist and R&D product
engineer, both in Australia and the United States.
In December 2007, he established and managed PhysElec Solutions Pty Ltd, an independent
consultancy services company specialising in lightning protection and earthing as well as some
related aspects of high voltage engineering.
In June 2013, PhysElec Solutions Pty Ltd merged
with LPI Pty Ltd, continuing to provide standalone consulting services but with the new
capability to provide full turnkey solutions in lightning protection and earthing.
Dr D’Alessandro has delivered many seminars and presentations on lightning protection and
earthing within Australia and overseas and has published more than 80 technical papers. He is a
Senior Member of the IEEE and a participating technical member of Standards and code-setting
committees in Australia, Europe and the United States.
Course Outline
1. INTRODUCTION
8. LIGHTNING PROTECTION of OVERHEAD LINES
2. GENERAL PRINCIPLES of LIGHTNING PROTECTION
8.1
8.2
8.3
8.4
8.5
2.1
2.2
2.3
2.4
Lightning Physics
Lightning Phenomenology
Effects of Lightning
Lightning Mitigation Steps
3. LIGHTNING ATTACHMENT
3.1
3.2
3.3
3.4
3.5
3.6
Protection Angles
Striking Distance & Electrogeometric Model
Improved Electrogeometric Model
Traditional vs Modern View of Lightning Attachment
Lightning Detection and Location
Lightning and Human Safety
4. RISK ASSESSMENT & RISK MANAGEMENT
4.1
4.2
4.3
4.4
4.5
Risk Assessment Methodology
Ground Flash Density
Calculation of Lightning Exposure Area
Relationship to Lightning Statistical Distributions
Introduction to Poisson Analysis
5. COMPREHENSIVE APPROACH for PROTECTION
AGAINST LIGHTNING
5.1
5.2
5.3
5.4
5.5
Protection Checklist
Air Terminations
Downconductors
Earthing Systems
Surge Protection Devices
Electrogeometric Models
Line Shielding Principles
Controlling Backflashover on Shielded Lines
Unshielded Lines
Specifics of Lightning Protection for Transmission
Lines
8.6 New AEMO Procedures in Australia
8.7 Specifics of Lightning Protection for Distribution Lines
8.8 Calculation Tools (IEEE FLASH etc.)
9. LIGHTNING PROTECTION of SUBSTATIONS
9.1
9.2
9.3
9.4
9.5
9.6
Insulation coordination overview
Substation Shielding Methods
Empirical Design Methods
Electro-geometric Model
Equipment BIL and Probabilities
Surge Arresters
10. EARTHING for PROTECTION AGAINST LIGHTNING
10.1 Electrode types, materials and lifetime issues
10.2 Earthing Systems, incl. transmission lines and
substations
10.3 EPR, Step & Touch Potential
10.4 Resistance vs Impedance – Factors & Dependencies
10.5 The “Critical Length” when Designing for Lightning
10.6 Practical Tips
10.7 Soil ionisation and implications
11.
SUMMARY
6. LIGHTNING OVERVOLTAGES
6.1
6.2
6.3
6.4
6.5
Direct Strike Overvoltages – Phase Conductor
Direct Strike Overvoltages – Backflashovers
Indirect Strikes (Induced Overvoltages)
Propagation of Lightning Surges & the Corona Effect
Transmission Line Transients
7. LIGHTNING IMPULSE CHARACTERISTICS of
INSULATION
7.1
7.2
7.3
7.4
7.5
7.6
Insulation Principles
BIL, CFO and Standard Lightning Voltages
Switching Impulses
Wood and Fibreglass Insulation
Arc Quenching Properties
Surge Arresters (HV)
CPD Recognition
This training program is especially designed to meet the Continuing Professional Development (CPD)
needs of participants. A Certificate of Attendance will be awarded at the end of the program.
This serves as evidence of your personal and professional commitment to your career.
Customised In-House Course Available
This program can be customised to suit specific needs of your organization at significant savings.
Please contact us on (02) 8448 2078 or email enquiry@cpdint.com.au for more details.
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REGISTRATION FORM
Please register the following delegates for the seminar “Lightning
Protection of Overhead Lines & Substations”
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SYDNEY, 27-28 July 2015, Rydges World Square Sydney
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MELBOURNE, 30-31 July 2015, Stamford Plaza Melbourne
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COURSE DETAILS
Register before 12 June 2015:
AUD1,280.00 + AUD128.00(GST)= AUD1,408.00 per delegate
Accommodation : Arrangements for accommodation are the
responsibility of participants and costs are not included in the
course fee. Accommodation is available at the venue/close by
and information can be made available to interested registrants.
Register after 12 June 2015 :
AUD1,380.00 + AUD138.00(GST)= AUD1,518.00 per delegate
Register 3 or more delegates at the same time for this course:
AUD1,242.00 + AUD124.20 (GST)= AUD1,366.20 per delegate
Note : The organizer reserves the right to make changes to the
event schedule, contents and venue. The views expressed in
the event are not necessarily those of CPD International Pty
Ltd.
Course Registration Fee :
Payment Terms : Payment is required before the event.
Delegates may be refused admission if payment is not
received prior to the event. Registration Fee includes lunch,
refreshments and training documentation/notes.
Cancellation : A substitute or replacement is welcome at no
additional charge. However, any cancellation of registration
must be made in writing. If you cancel at 14 or more calendar
days before the commencement of the event, you will receive
a full refund, minus a non-refundable $250 administration fee.
If you have not paid for the event, you will still be invoiced for
the $250 administration fee. If you cancel within 14 calendar
days of the commencement of the event, you will be charged
the full fee, even if you have not paid yet.
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