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Joint 9th Regional Conference and
Study Committee B4 International Colloquium
1 – 5 October 2019
Misty Hills Hotel, Muldersdrift
www.cigresa.org.za
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Table of Contents
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Message from CIGRE Southern Africa Chair
Message from CIGRE President
Message from CIGRE SC B4 Chair
Message from CIGRE SANC Conference Committee
Programme Summary
Tutorial Summary
Technical Program
Social Events
Technical Tours
Wifi
Exhibition
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Message from the CIGRE SA Chairman
The National Committee of CIGRE Southern Africa is honoured to host its 9th Regional conference at the picturesque Misty Hills venue outside Johannesburg.
This event will be hosted together with the SC B4 International Colloquium on HVDC and FACTS
for Regional Interconnections and Renewable Energy Integration. This year’s theme is "Sustain-
able Integration of Distributed Energy Resources for Power System Development". The program
includes one day of tutorials and two days of discussions, paper presentation and an exhibition.
There is also a day of technical tours following the conference.
This event presents an opportunity to showcase new research, present new experiences with
emerging technologies, highlight regional challenges (and solutions to those challenges) and
network with industry peers. We welcome delegates and exhibitors from the region and from
around the globe to attend this prestigious event.
I encourage delegates to join in discussions, debates and the sharing of ideas and to ask as many
questions as possible – during presentations or over lunch or tea. There will also be many oppor-
tunities to network during various other events such as the cocktail function and conference
dinner.
I warmly welcome you!
4
Prince Moyo
Message from the CIGRE President
It gives me great pleasure to welcome you to the 2019 CIGRE conference in Johannesburg, South
Africa. This conference was first held in Swaziland in the early 1990’s. It was initially held every
4 years and later every 2 years. This is the ninth CIGRE conference in South Africa.
This conference is enhanced by the support and visit of Study Committee B4 dealing with power
electronics and DC systems at all voltages. This is very pertinent today with the advent of solar
and wind generation requiring inverters to link to the grid at all voltages. The cost of HVDC
systems has also been reducing in recent times with voltage sourced converters now capable of
transferring 2000MW. This conference, with the theme “Sustainable integration of distributed
energy resources for power system development”, covers the essence of issues facing the indus-
try at present. In addition, it highlights the fact that CIGRE is indeed an “end to end” association
covering all voltage levels from Low to Ultra High Voltage.
One of the main benefits of this symposium is that it with links to SC B4 and associated working
groups. This provides an excellent opportunity to meet with international experts and discuss
issues that are pertinent to you.
As you no doubt realize, a CIGRE conference such as this offers far more for delegates than the
average conference presenting papers. With the CIGRE experts attending the conference, be
assured that there is someone that has solved the problems you have, is working on the problem,
or is aware of others working on the problem. I would urge you as delegates to engage with fellow
CIGRE colleagues and obtain the maximum benefit from the Symposium.
I wish you a very successful and fruitful time in my beautiful country
5
Dr Rob Stephen
Message from the CIGRE SC B4 Chair
The global electric power system is changing rapidly. We still need the technologies for long
distance UHV transmission, but we also need the innovative solutions to integrate renewable
energy sources such as wind on shore and off shore as well as solar. These changes in the power
system are increasing the demand for dc transmission projects and power electronic equipment.
Not only traditional solutions are necessary, but more innovative solutions in both dc and power
electronics are necessary. For instance, the retirement of traditional fossil based generation
located near load centers and opting for renewable energy resources that are transmitted to the
load centers utilizing dc certainly is an issue that creates new challenges that need to be under-
stood.
Within CIGRE, Study Committee B4 is responsible for DC and Power Electronics. The South African
National Committee kindly invited study committee B4 to hold the annual study committee meet-
ing, and working group meetings in South Africa. The study committee meeting will be held on
September 30th. Nine working groups are also meeting between September 28 and 29.
Study committee B4 is honored to share a two day colloquium with CIGRE South African Regional
conference.
On behalf of Study Committee B4, I would like to thank the South Africa National Committee for
the kind invitation and I would encourage our colleagues from Africa to attend and participate in
CIGRE and certainly in study committee B4 activities. Having the meetings in South Africa is a
great opportunity for the SC B4 members to learn about the needs and the challenges in the
African electricity sector as well as exchange their valuable experience and knowledge with the
engineering community in Africa.
6
Dr. Mohamed Rashwan
Chair of the SANC Conference
Organising Committee
On behalf of the CIGRE Conference Organising Committee, I would like to welcome to the Joint 9th
CIGRE Southern Africa Regional Conference and CIGRE SC B4 International Colloquium in Johan-
nesburg.
The papers that will be presented at this event cover several topics such as battery storage,
microgrids, HVDC and FACTS, impacts on markets and regulations. We have made sure there is
something for everyone at this conference, with other sessions covering topics such as power
transformers and overhead lines.
We are particularly pleased with the speaker line up at this conference, with addresses from Dr
Rob Stephen, the President of CIGRE, Mohamed Rashwan, Chair of the CIGRE Study Committee
B4, and Dr Yusheng Xue, Honorary President of State Grid Electric Power Research Institute, as
opening and keynote addresses. We are also privileged to host the inaugural event for Women in
Engineering for CIGRE Southern Africa.
There is an exhibition and several technical tours, where delegates are sure to find something of
interest. You will also enjoy the social events that have been organised to make sure you network
with colleagues and make new connections. We have arranged tutorials that offer an excellent
opportunity to delve further into topics relevant to today’s electricity industry.
I warmly welcome you to make the most of this event in all its facets and, if you are from outside
of South Africa, to make the most of the unique culture that the City of Johannesburg and its
surrounds have to offer!
7
Sharon Mushabe
Programme Summary
8
Time Description
07: 30 – 08:15 Registration in the Exhibition Hall
08:15 Opening, Safety and Security Briefing
08:30 – 10:00 Tutorial 1: FACTS Planning, Technology Selection and Specification
Presenter: Georg Pilz | SIEMENS, Germany
10:00 – 10:30 Tea/Coffee Break in the Exhibition Hall
10:30 – 12:00 Tutorial 2: Technology Selection and Specification of HVDC
Presenter: Bruno Bisewski | RBJ Engineering, Canada
12:00 – 13:00 Lunch in the Exhibition Hall
13:00 – 14:30 Tutorial 3: ICT and Telecoms solutions for DERs and micro grids
Presenter: Zwelandile Mbebe | Eskom, South Africa
14:30 – 15:00 Tea/Coffee Break in the Exhibition Hall
15:00 – 17:00 Tutorial 4: TB740: Contemporary design of low cost substations in developing countries
Presenter: Theuns Marais | Eskom, South Africa & Philip Koenig | Royal Haskonig DHV, South Africa
17:30 – 19:30 Welcome Cocktail Function in the Exhibition Hall
Tuesday, 1 October Tutorials and Exhibition
Tuesday, 1 October Women in Engineering Forum (WiE)
Tuesday, 1 October Opening Cocktail Function, Exhibition Hall, 17h30
Wednesday, 2 October Joint Regional Conference and B4 Colloquium, and Exhibition
Wednesday, 2 October Conference Dinner, Carnivore Restaurant, 18h30 for 19h00
Thursday, 3 October Joint Regional Conference and B4 Colloquium, and Exhibition
Friday, 4 October Technical Tours: Local - Departs from Misty Hills
Saturday, 5 October Technical Tour: Namibia - Departs from Hilton, Windhoek
Tutorials
Tuesday, October 1, 2019 Misty Hills, Muldersdrift, Johannesburg | Room: Pelindaba 1
17:30 -19:30
07:30 - 09:00
Time
09:00 - 09:15
09:15 - 09:25
09:25 - 09:40
09:40 - 10:20
10:20- 10:30
10:30 – 11:00
Time Venue: Springbok
11:00 – 12:30
B4 Session 1Network Stability
Session Chair: Bjarne Andersen
11:00 – 11:15
#2 Real-time Modelling and Simulation of a Multi-
terminal Hybrid UHVDC Transmission System, G. Wenming
11:15 – 11:30
#11 Real-time simulation and analysis of phase shifting
transformer for improvement of Tomsk power system
transient stability, O. Suslova
11:30 – 11:45
#18 Using a Series Blocking Reactor to Reduce
Harmonic Filtering Requirements and Losses in Static
VAr Compensators:Tauá SVC Experience, M. Lima
11:45 – 12:00
#19 Temporary DC Fault Clearing Sequence in a HVDC
System with Voltage Source Converter and Overhead
Line, K. Fadzeyeu
12:00 – 12:15#27 Minimizing Loss of Transmitted Power by VSC
during Overhead Line Fault, P. Portugal
12:15 – 12:30
#30 Simulation Research on the Effect of Combination
Modification of HVDC and STATCOM on the Stability of
DC System in Weak AC Networks, Q Guo
12:30 – 13:30
kobgnirpS :euneV2 abadnileP :euneV1 abadnileP :euneVemiT
13:30 – 15:00
Session 2Power system operation and control
Session Chair: Kehinde Awodele
Session 3Integration of Distributed Energy Resources and
MicrogridsSession Chair: Jarrad Wright
B4 Session 2Renewable Energy
Session Chair: Les Brand
13:30 – 13:45
#116 High Penetration of Inverter Based Generators:
Things to consider when conducting frequency studies,
N. Gumede
#96 Emerging Regulatory Requirements for Small
Modular Nuclear Reactors in Distributed Electrical
Systems, D. Nicholls
#3 Design and Operational Experience of the World’s
First Three-terminal VSC HVDC system (Nan’ao MTDC)
for Wind Power Integration and its Upgrade with DCCBs,
S. Xu
13:45 – 14:00
#93 The Advantages of PMU Data Analytics in Power
Systems with High Renewable Energy Penetration, T. Machabe
#105 Engineering Small Modular Nuclear Reactors for
Micro and Nano Grid Application : The Case Study Based
on NASA's 10 kilowatt unit, S. Connell
#7 Regional HVDC Interconnection and its Impact on
Network Performance, R. Hariharan
14:00 – 14:15
#124 Challenges of operating a power system with
integrated renewable energy generation: A case study,
B. Nhlapo
#37 Integration of PV installations within grids: Impacts
and solutions, Q. Tran
#17 Impact of Integration of Large Amount of
Renewable Generation near Existing HVDC Terminals, H. Suriyaarachchi
14:15 – 14:30
#128 Constraining the intermittency of wind and
photovoltaic systems through curtailment, N. Mararakanye
#103 Evaluation and Impact Assessment of Solar Roof-
Top PV on Electric Power Distribution Networks, R. Reddy
#21 Increasing Bulk Power Transfer of Renewable
Generation with Modular FACTS to Lower Wholesale
Costs to Consumers, P. Harrington
14:30 – 14:45#65 Managing flexibility in power system planning:
Modelling and cases of study, A. Mansoldo#50 Virtual Synchronous Generator-Based Control in
Power Systems; An Overview, P. Simiyu
14:45 – 15:00
#100 Exploiting Cascade Failure for the Calibration of
Planning Assumptions and Operational Improvement, M. Viljoen
15:00 – 15:30
kobgnirpS :euneV2 abadnileP :euneV1 abadnileP :euneVemiT
15: 30 – 16:30
Session 4Photovoltaic Technologies, Small Scale Embedded
Generation and Distribution TransformersSession Chair: Pamela Kamera
Session 5Markets and Regulations
Session Chair: Kurt Dedekind
B4 Session 3LVDC and MVDC distribution and microgrids,
Distributed FACTS devices, Synthetic inertia, HVDC Insulation
Session Chair: Dragan Jovcic
15:30 – 15:45
#67 Performance characterization of different
photovoltaic technologies in outdoor climatic conditions,
H.W. Mkasi
#42 Integration Of Distributed Energy Resources (DER’s)
: A Revenue Impact Study & Tariff Optimization Analysis
for Ethekwini Municipality, L. Moodliar
#26 Droop-based Control with Virtual Inertia and
Stability Analysis of the Multi-terminal VSC MVDC
Distribution Network with PV integrated, P. Simiyu
15:45 – 16:00#135 Eskom Heritage Park rooftop PV Project, A. Pandarum
#104 Development of Small Modular Nuclear Reactors
as Municipal Power Stations, D. Nicholls
#29 Performance of a VSC with Energy Storage
Capability Compared to Virtual Synchronous Machine
Control Strategy in Weak Grids, H. Suriyaarachchi
16:00 – 16:15#41 The future of Distributed Solar PV in South Africa, A. Pandarum
#95 Evaluating capacity mechanisms in the South
African Power Pool, J.G. Wright
#13 Pollution mapping methodology for selection of
external insulation of HV DC and HV AC electric
transmission, O. Suslova
16:15 – 16:30 #133 The Dead Grid Safety Lock, H. Geldenhuys#120 Exploring a regulatory framework for Battery
Energy Storage Systems, Z. Lincoln
#97 Leakage current monitoring on in-service
composite and glass insulators of the Cahora Bassa
HVDC transmission line, N. Parus
19:00 - 23:00
Welcome Cocktail - Exhibition Hall
Tuesday, 01 October 2019
Registration - Exhibition Hall
Venue: Pelindaba
Wednesday, 02 October 2019
Opening Address - Mohamed Rashwan, Chair, CIGRE Study Committee B4
Venue: Pelindaba
Q & A session
Tea/Coffee/Exhibition
Welcome - Prince Moyo, Chair, CIGRE Southern Africa
CIGRE International Update - Rob Stephen, President, CIGRE
Keynote Address - Yusheng Xue, Honorary President, State Grid Electric Power Research Institute
Gala Dinner - Carnivore Restaurant
#45 Challenges and Opportunities of Battery Storage in the WAPP Interconnected HV Grid, S. Mahapatra
#88 Microgrid / Battery Energy Storage Systems value stacking to defer distribution capacity upgrades for Radial
Feeders, R. Singh
Session 1Battery Energy Storage Systems Applications
Session Chair: Prudence Madiba
#139 Eskom experience on battery energy storage systems: the network planning perspective, M. Soni
Tea/Coffee/Exhibition
Lunch/Exhibition
#140 Detailed methodology to precisely assess the need for battery systems to solve congestions in the Turkish
Transmission Grid, P. Lienhart
#46 Electrification of Africa: Future prospects of the Provision of Ancillary Services in the WAPP system using the
Battery Storage facilities of the Mini-grids, S. Ki
#38 Studies to determine optimal battery storage for increasing variable renewable energy penetration on eight
Pacific Islands, G. Chown
08:00 - 09:00
!FER#!FER#!FER#emiT
09:00 – 10:30
Session 6Emerging Technology in Power Transformers
Session Chair: Mokwape Lekganyane
Session 7Emerging Technologies
Session Chair: Zwelandile Mbebe
B4 Session 4HVDC Reliability, Refurbishment and upgrades of
HVDC and FACTS installationsSession Chair: Carsten Bartzsch
09:00 – 09:15
#49 Effects of Surface Discharges on the Lightning
Impulse Breakdown Voltage of Ester Oil-Impregnated
Pressboard Insulation in Power Transformers, B. Ndlovu
#52 Experience with an Industrial IoT 800 kW Microgrid
in Africa, A. Hank#1 Future Proofing HVDC Systems, M. Bennett
09:15 – 09:30
#64 Applicability of Dissolved Gas Analysis in canola-
based natural ester oil under high energy discharge
fault, H. Mnisi
#62 Viability of plastic hardware for
telecommunications, M. Hoosen #28 Improving HVDC system reliability, T. Rauhala
09:30 – 09:45
#68 A study of cavity partial discharge time-evolution
characteristics in ester oil-impregnated transformer
press-board insulation, K. Mosala
#99 Neutronics and thermal hydraulics modelling for a
single fuel element immersed in a helium thermal fluid
for a distributed energy source, S. Connell
#34 Use of HVDC reliability and availability data in
power system analysis - approaches, challenges and
opportunities, T. Rauhala
09:45 – 10:00
#73 Ten Years of Experience with Natural Ester Dielectric
Fluid in 245kV: Shunt Reactor of Vilhena Substation –
Eletronorte, R. Da Silva
#119 Artificial intelligence inclusion in infrared
thermography programs: A use case, J. Becker#91 Parallel Operation of the Two Poles on One Line in
the Inga-Kolwezi HVDC Scheme, E. Lubini
10:00 – 10:15
#84 Solar Power Plant Transformer Loss Computation
under Harmonic Currents using Field Element Method,
B.A. Thango
#70 Electroluminescence (EL) Imaging characterization
for Photovoltaic (PV) modules, M. T. Malefafana
10:15 – 10:30
#78 Recognition of the benefits by the use of
Transformers and Reactors immersed in insulating fluid
with high fire point (k class): the case of Fire Department
of Sao Paulo state in Brazil, R. Da Silva
#136 Single phase energisation resonance of small
distribution Transformers, H. Geldenhuys
10:30 – 11:00
!FER#!FER#!FER#emiT
11:00 – 12:30
Session 8Power system technical performance
Session Chair: Matankiso Mohlokoana
Session 9Power Lines
Session Chair: Milliah Ripinga
B4 Session 5HVDC and FACTS Equipment and Technology
Session Chair: Abhay Kumar
11:00 – 11:15#77 Validation of EMT Models of Renewable Power
Plants in South Africa, A. Bartylak#44 Advantages and disadvantages of low insulation
level on overhead MV power lines, A. Beutel#5 Failure mode analysis of Hybrid DC Circuit Breaker,
D. Jovcic
11:15 – 11:30
#58 Considerations in the development of a distributor’s
blackout load restoration and recovery plan, U. Heideman
#115 The Application of Remotely Piloted Aircraft
Systems (RPAS) for Powerline Inspections, S. Biyela#22 Loss Optimized Design Of Air-core Reactors, A. Gaun
11:30 – 11:45#48 Low frequency electric safety analysis of a utility
scale photovoltaic plant, P.H. Pretorius#117 Considerations for Transmission Line Emergency
Restoration, S. Nzama#31 Functional Real Time Testing of HVDC IEDs, G. Chaffey
11:45 – 12:00
#47 Lightning risk considerations related to wire-line
technology applied in large utility scale PV plant, P.H. Pretorius
#109 Overhead Line Tower Member Theft, G. Strelec#36 Parallel connection of IGBT devices in VSC for
HVDC, J. Dorn
12:00 – 12:15
#6 Harmonic emission assessment in a dynamic
environment using aggregated harmonic phasors, B. Peterson
#121 Eskom experiences with innovative foundation
solutions, S. Dubazana
#80 Modelling, testing and evaluation of HVDC
equipment- HVDC Converters, DC Breakers, DC
Transformers, N. Gwatidzo
12:15 – 12:30
#66 Automatic Service Restoration on Distribution
Networks for the Implementation of Fault Location,
Isolation and Service Restoration (FLISR), F. Mthethwa
#102 Pollution Monitoring for HVDC Transmission, M. Mathebula
12:30 – 13:30
Time
13:30 – 15:00
13:30 – 13:45
13:45 – 14:00
14:00 – 14:15
14:15 – 14:30
14:30 – 14:45
14:45 – 15:00
15:00 – 15:30
15: 30 – 16:00
Thursday, 03 October 2019
Tea/Coffee/Exhibition
Lunch/Exhibition
Registration - Exhibition Hall
#35 Design considerations for ±800kV, 6000MW Raigarh-Pugalur HVDC, Interconnecting Central and South India, R. Patlola
Joint Session Regional Interconnections
Session Chair: Mohamed Rashwan
#54 Improving the security of the power corridor between South Africa and Namibia: Eskom-NamPower 2nd 400kV interconnector case study, S. Ncwane
#74 Network planning studies to evaluate the impact of the Botswana – South Africa (BOSA) interconnector on the SAPP Network, T. Mokoena
#REF!
Closing Ceremony - Best Paper Awards
Tea/Coffee/Exhibition
#20 Strategy for Northeast Asia Power System Interconnection - Technical Assistance to Mongolia, P. Lienhart
#16 The Eastern Electricity Highway Project - Design Aspects and Major Technical Features of the new HVDC Interconnector, C. Bartzsch
#24 System Design of the 3*1000MW Luxi Back-to-Back with hybrid LCC and VSC technology for regional interconnection, S. Xu
11
Welcome Cocktail FunctionTuesday, 1 Oct, 17:30 – 19:30
Venue:
Dress:
Exhibition Hall, Misty Hills
Informal
All delegates and exhibitors are invited to join CIGRE SA for a welcome
cocktail function in the exhibition hall to unwind after the day’s proceedings.
CIGRE SA Annual Dinner:African FeastWednesday, 2 Oct, 19:00 – 23:00
Venue:
Dress:
Cost:
Sponsor:
Carnivore Restaurant at Misty Hills
Semi-formal /Smart / Traditional
R650.00 per person
Revive Electrical Transformers (Pty) Ltd
Delegates, exhibitors and stakeholders get together, network and make
memories – an evening of good food, good music and best of all,
good company.
Social Events
Technical Tours
1 2 3Kusile
Power StationApollo HVDC
Converter StationEskom NationalControl Centre& Battery Test
Facility
Tour Tour Tour
06:30
-
14:00
07:45
-
16:00
08:00
-
16:00
4Gerus ConverterStation, Namibia
Tour
07:00
-
18:00
These tours are only available to those who have booked and paid in advance.
List will be posted in the registration area.
Friday, 4 October 2019 Departing from Misty Hills
Saturday, 5 October 2019
Departing from
Windhoek Hilton,
Namibia
12
Wifi Access
Free Wifi access is available to delegates.
Username:
Password:
CIGRE
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Exhibition Floorplan and Exhibitors
NR Electric
GE Grid Solutions
EE Publishers
SAIEE
AMC / MCT
Allbro (pty) ltd
Mace Technologies
Cigre NGN
EBN
Doble Engineering Company
Nynas South Africa
Midel
Space only
Silver Spectrum Solutions (pty) ltd
OTN Systems
Alectrix
OPAL-RT Europe
Siemens
Intercal
Preformed Line Products
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www.cigresa.org.za