PAPER PRESENTATION PROGRAM

26 January 2016 - Plenary Session

P1 Clustering Potential Wind Farm Locations based on Simulated Time-of-Day Power Profiles

C.J. Joubert and H.J. Vermeulen

P2 Investigation Into Role of Arcing Horns on 132 kV Sub-transmission Infrastructure

BA Smith and AG Swanson

P3 A Proposal for Techno-Economic Analysis Framework for Wave Energy to Electricity Conversion Schemes under South African Conditions

S.S. Biyela, W.A. Cronje

27 January - Session 1A – High Voltage

1A-1 Performance Evaluation of an Entropy-based Image Analysis Algorithm for Insulator Hydrophobicity Classification for Different Image Acquisition Lighting Conditions

M.M. Ndamira and H.J. Vermeulen and J.M. Strauss

1A-2 An Investigation into Surge Arresters Failures in the KZN 88 kV Traction System

M. Mzulwini and K. Awodele

1A-3 Investigation into the Flashover Mechanism on Mounting Arms of 22 kV Surge Arresters

B. Singh, M.F. Khan and A.G. Swanson

1A-4 A Study of the Distribution of Voltage and Electic Field on Glass Insulators using Charge Simulation Method

G. Ininahazwe and I.E. Davidson

Session 1B – Renewables

1B-1 Design and Comparison of Renewable Energy Storage Systems for Emergency use on Farms in South Africa

J.C. Campher and R. Gouws

1B-2 Modelling and Simulation of Grid-Connected Photovoltaic Systems

M. Mazibuko, A.K. Saha

1B-3 Performance Comparison of Perturb & Observe and Incremental Conductance MPPT Schemes for Solar PV Plants

J. Bamukunde, M. Nthontho, S.K. Kibaara and S. Chowdhury

1B-4 Design and development of a remote solar power control, battery monitoring system and internet logging capability

J.Bothma, N de Lange and F. Adlam

Session 1C – Machines

1C-1 Analytical Model Development for the Determination of the Open-Circuit Magnetic Field Distribution in a Moving Coil Tubular Permanent Magnet

D.K. Chembe, J.M. Strauss and P.J.Randewijk

1C-2 Designing a 750 W Ironless Stator for an Axial Flux Permanent Magnet Wind Generator

N.J. Baker and A.J. Grobler

1C-3 Method for Assessing the Thermal Performance of a Synchronous Generator Rotor

A. Narain Singh, W. Doorsamy and W. A. Cronje

1C-4 Evaluation of Hand Carved Timber Blade Performance for a Rutland 910 Wind Turbine

P.Ghimire, P. Freere, R. Sinha, L. Mishnaevsky Jr., K. Silwal, M. Freere

Session 1D – Distribution / Transmission

1D-1 Instability Problems in the SAPP Network

H. du Plessis and J.A. de Kock

1D-2 Applying the Herman-Beta probabilistic method to Medium Voltage distribution feeders

M.J. Chihota, C.T. Gaunt and R.Herman

1D-3 Drivers and Application of Small Scale DG on Municipal Distribution Networks in South Africa

S. Sewchurran and I E Davidson

1D-4 Analytical Approach for Optimal DG Allocation in Primary Distribution Networks

O.O. Osaloni and K.O. Awodele

Session 2 A – High Voltage

2A-1 Evaluation of the Design and Functionality of a Laboratory Corona Cage

JS. Djeumen, JJ.Walker and IK. Kyere

2A-2 Natural and Synthetic Ester Based Transformer Insulation Fluid

Leeshen Pather and Andrew Swanson

2A-3 The Measurement of HVDC Insulator Leakage Current Using Magnetic Field Sensors

M Roman, RR van Zyl, N Parus, N Mahatho and B Nalomo

2A-4 Towards an Explanation of the Abnormal Attenuation of the Power Line Carrier Signals on an HVDC Monopolar Transmission Line

J. Schutte, A.C. Britten, J. van Coller and R. Hubbard

2A-5 Electric Field and Ion Current Interactions Between Hybrid High Voltage AC and DC Circuits with a focus on Altitude Effects

N Parus and I.R Jandrell

Session 2 B - Renewables

2B-1 Pvsyst Model Improvement Using Field Data From a 75 MWp Solar Power Plant in South Africa

T. Mahachi and A.J. Rix

2B-2 Renewable Energy Technology for Saving and Generating Pollution Free Energy in South Africa

ZP Khumalo and Bakhe B. Nleya

2B-3 Comparison of Impacts of Integration of Solar PV Farms and Wind Farms in a Utility Grid

K. Ramoreboli, T. Matlokotsi and S. Chowdhury

2B-4 The Impact of Large Penetration of Grid Connected Photovoltaic (PV) Generation on the Utility Grid: a Case for South Africa

N. Dhlamini, S.P. Chowdhury, And A. Sendegeya

2B-5 Microgrid and Active Management of Distribution Networks with Renewable Energy sources

K.T. Akindeji and I.E. Davidson

Session 2 C – Energy Management

2C-1 Reliability Centred Maintenance (RCM) Model Implemented to Ethikweni Electricity Network

M.P. Lokothwayo and G. Frederick d Almaine

2C-2 Energy Management Efficiency on Traction Network Through Regenerative Braking

A. Bani, K. Awodele

2C-3 Performance Study of Locomotive Systems for a Reliable Cost Effective Maintenance Solution

T.N. Miyambo and S.P. Chowdary

2C-4 Contrasting three different academic assessments of a compulsory capstone module in power engineering indicates reliability

A.J. Swart and P.E. Hertzog

2C-5 Development of an Efficient Longitudinal Rail Impact Test Control System

M.J. Lencwe & S.P. Chowdhury

Session 2 D - Distribution / Transmission

2D-1 A Methodology for Optimal Placement of Distributed Generation on Meshed Networks to Reduce Power Losses for Time Variant Loads

S. Malapermal, M. Bello and Dr I.E. Davidson

2D-2 Assessment of Power System Stabilizers for Small Signal Stability using the Population-Based Incremental Learing Alogorithm

D Dombo and Prof K.A. Folly

2D-3 Guiding Principles for Grid Code Compliance of Medium-High Voltage Renewable Power Plant Distributed Generation Integration onto South Africa's Transmission and Distribution

Networks

S. Sewchurran and I E Davidson

2D-4 Optimisation of an Experimental Perturbation and Estimation Technique used to Autonomise Nodes on DC Microgrids

W. Doorsamy, W.A. Cronje, M. Montaz Ali

Session 3 A – Power Electronics

3A-1 Integration of Inverter Constraints in Geometrical Quantification of the Optimal Solution to a MPC Controller

J. Raath, H. du Toit and T. Geyer

3A-2 Design and Implementation of a Bidirectional Current-Controlled Voltage-Regulated DC-DC Switched-Mode Converter

A. Coetzer, G.R. Turner and H.D.T mouton

3A-3 Design and Simulation of a Charging Algorithm for Lithium Ion Batteries

H. Tayob, I. Chotia and S. Chowdhury

3A-4 Designing a Gas Sniffer Monitoring System for a Quadcopter

E, Baterman, O. Dobzhanskyi and R Gouws

Session 3 B – Electrical Protection

3B-1 Analysing and modelling the MV protection scheme of the Aberdare Cables PE factory and investigating the possibility of implementing embedded generation using waste heat

Jeshurun William Haigh, Anthony Marks

3B-2 The Importance of Circuit Breaker Testing

A. Munhutu, J. Van Coller and Igor Djurdjevic

3B-3 Improving the Overcurrent and Earth Fault Protection in the NMMU's Multiple Ring Distribution Network

Timothy de Vos, Anthony Marks

3B-4 Protection Over current Curve plotter with Fault locator application

Y Sithole and B Kotze

Session 3 C - Machines

3C-1 Design of a Controlled Cooling System for a Three-Phase Power Transformer With Support of Renewable Energy

I.Coetzee and R. Gouwz

3C-2 Starting of Cylindrical Wound-Rotor Synchronous Motor for Fan Loads

H.J.S.Roux and M.J.Kamper

3C-3 Simulation Study of Generator Under-excitation Operation and Under-excitation Limiters

D.N. Ngema and A.K. Saha

3C-4 Induction Motor Efficiency Test Methods: A Comparison of Standards

S. Deda and JA de Kock

Session 3 D – Control

3D-1 Electromagnetic design of active magnetic bearings for a 30000 r/min PMSM

K. Swanepoel and A.J. Grobler

3D-2 Design of a PLC-Based Variable Load, Speed Control System for a Three-Phase Induction Motor

B. Coetzer and R. Gouws

3D-3 Inner Loop Current Controller Design for a Solar Array Simulator

TB. Tapfunanei, H du T Mouton & AJ. Rix

3D-4 A Torque and Temperature Telemetry System for Rotating Magnet

P.J. Friend and A.J. Grobler

Session 4 A – High Voltage

4A-1 An Investigation into Partial Discharges of XLPE Cable Insulation Defects

I.K. Kyere, J.J. Walker

4A-2 Investigation of Breakdown Voltage of Different Transformer Oils

K.P. Zondi, L Pather and AG Swanson

4A-3 Partial Discharge Analysis if Failed ZnO Surge Arrester Elements at eThekwini Electricity

M. Gumede and F.D Almaine

4A-4 Understanding Altitude in the Study of Air Gap Breakdown under High Voltage

P. Naidoo

Session 4 B - Renewables

4B-1 Dynamic Analysis of Photovoltaic Plant Using Custom Modelled PV System

N. Mazibuko, A.K. Saha

4B-2 Optimised Model of a Solar/Wind/Diesel Hybrid Generation System for Rural Application

E. Hamatwi and I E Davidson

4B-3 A Study of Synchronization of Single-Phase Inverters in South African Grid with High Degree of Penetration of Renewable Energy

M.M. Sibanyoni and S.P. Chowdhury

4B-4 Potential in utilising ferrochrome furnace off-gas in South Africa: A Techno-economic study

R.Murray and J.A. de Kock

Session 4 C – Electrical Protection

4C-1 NMMU South Campus Ring Feeder Protection Design and Analysis

Llewelyn Grobler, Anthony Marks

4C-2 Coordination between Overexcitation and Generator Over-voltage Protection with respect to Overexcitation Limiters

D.N. Ngema and A.K. Saha

4C-3 Analysis and Solutions of Overcurrent Protection Issues for Distribution Networks with Distributed Generation Integrated

S.S. Mahendula and A.K. Saha

4C-4 Implementation of Steam Turbine and Governing System using Programmable Logic Controller for Power Systems Studies

A.K. Saha

Session 4 D – Distribution / Transmission

4D-1 A simulated energy monitoring system to enable undergraduate engineering students to grasp fundamental energy generation principles

P.E. Hertzog and A.J. Swart

4D-2 Analysis for Improving Redundancy and Reliability of the Graaff-Reinet Network

Anthony Marks, Asekho Mbambiso, A-J Phillips

4D-3 Designing and Integrating a Solar Grid-Tie and Off-Grid System into One System

D. Diedericks, O. Dobzhanskyi and R Gouws

4D-4 Measurements and Multipath Characterization of Power Line Communication Channel

Steven O. Awino and Thomas J.O.

28 January 2016 - Session 5 A - Power Electronics

5A-1 Improved Dynamic Response of Flying Capacitor Converter Using Finite Set-Model Predictive Current Control

A.M. Almaktoof, A.K. Raji and M.T.E. Kahm

5A-2 Battery Monitoring and Temperature Controller System for the 15E Ore-Line Electric Locomotives

S. Krishnamurthy and K.C Gabashane

5A-3 Single phase to three phase variable frequency drive

D.E. van Rooyen, W. Kukard, A.J. Grobler

5A-4 Design and Simulation of a Digitally Controlled Class-D Amplifier

C.A. van der Merwe, H.D.T. Mouton and B.Putzeys

Session 5 B - Distribution / Transmission

5B-1 The Impact of HVDC Schemes on Network Transient Rotor Angle Stability

K.N.I Mbangula, O.E. Oni and I.E. Davidson

5B-2 Stability Enhancement of HVAC Networks using Supplementary Controllers with HVDC Links

S M'builu Ives and AG Swanson

5B-3 Finite Element Analysis of Mechanical Oscillation of Power Line Conductors

E.E. Ojo and M.N. Ijumba

5B-4 Study of Photovoltaic Integration Impact on Eskom Power Station Distribution System using Custom Modelled PV System

N. Mazibuko, A.K. Saha

Session 5 C - Smart Grid

5C-1 Secured Smart Grid Network for Advanced Metering Infrastructure (AMI)

Philani Khumalo & Bakhe Nleya

5C-2 DC Optimal Power Flow through the Linear Programming - in Context of Smart Grid

A. Goudarzi, M. Kazemi and A.G. Swanson

5C-3 Smart Grid Penetration at the eThekwini Municipality

V. Rampirith and I.E. Davidson

5C-4 Smart Grid Applications using ETSI M2M: Domestic Electric Water Heaters

A.H. Cloete, J.W.K. Brown, M.J. Booysen R. Steinke and T. Magedanz

Session 5 D - Control

5D-1 Mitigation of Electromagnetic Interference Generated By GPIB Control-Network In Ac-Dc Transfer Measurement System

M.M. Hlakola, E. Golovins and D.V. Nicolae

5D-2 Android Based Vehicle Tracking System with Collision Detection

T. Mvindi and F. Adlam

5D-3 Design and development of a remote solar power control, battery monitoring system and internet logging capability

J. Bothma, N de Lange and F. Adlam

5D-4 A Review of DSTATCOM for Power Quality Improvement

O. Ajayi and R.Tiako

Session 6 A - High Voltage

6A-1 Validation of the Breakdown Mechanism Between Rotated Arcing Horns

BA Smith and AG Swanson

6A-2 Impulse Breakdown of SF6-N2 Gas Mixtures

C. Babunandan, M.D. Brown and A.G. Swanson

6A-3 Mean Energy, Electron drift and Effective Ionisation Coefficients in SF6-N2 Mixtures from Bolsig+

M.D. Brown, A.G. Swanson and L. Jarvis

6A-4 Lightning Overvoltage Protection and Network Performance of Distribution Transformers – Case Study: Swaziland Electricity Company

M.T. Maziya and K.O. Awodele

6A-5 A Simulation Study of the Inrush Current Performance of Amorphous Core and C.R.G.O Transformers

Naidoo and AG. Swanson

Session 6 B -Smart Grid / Renewables

6B-1 Economic Advantages of Stirling-Dish Concentrated Solar Power over the Molten Salt Power Tower Type Concentrated Solar Power Using System Advisor Model

C. Chukwuka and K.A Folly

6B-2 Evaluation of an empirical model for a flat plate solar collector

Nothando Ndlovu, Michael Simon and Stephan Tangwe

6B-3 Impact of Solar Power Generation on Economic Growth - The Role of 3DPV Structure

O.A. Mafimidiwo, A.K. Saha

6B-4 The Extraction of Power and Fresh Water from the Ocean off the Coast of KZN utilizing Ocean Thermal Energy Conversion (OTEC) Techniques

M. Gumede and F.D. Almaine

Session 6 C - Machines

6C-1 Design Aspects of a Magnetically Geared Permanent Magnet Machine with an Outer Stator

PM Tlali, JDG van der Merwe, R-J Wang, S Gerber

6C-2 Design and Optimisation of a Line-Start Synchronous Reluctance Motor

Q. Smit, A.J. Sorgdrager and R-J Wang

6C-3 Design of Permanent Synchronous Generator for Geared Direct-Connected Wind Generator Drive Train

P.J.J. van Wyk, G. Dawood, and M.J. Kamper

6C-4 Development of an Analytical Model for a Moving Coil Tubular Permanent Magnet Linear Oscillatory Machine

D.K. Chembe, J.M. Strauss and P.J. Randewijk

6C-5 Aquifer Underground Pumped Hydroelectric Energy Storage in South Africa

S.Y. Khan and I.E. Davidson

Session 6 D - Distribution / Transmission

6D-1 Assessment of the Vibration Level at the Catenary value of 2100m for an OPGW using Endurance Limit Approach

M. Gizaw, R. Loubser, I.E. Davidson, G. Bright and R. Stephan

6D-2 Power Distribution System Reliability Improvement Through the Application of Smart Technology

GC Dumakude, AG Swanson and IE Davidson

6D-3 The Southern African Power Pool (SAPP) steady state security assessment using contingency analysis

Stacey J. T Mwale, Innocent E. Davidson

6D-4 A Method for Measuring and Recording Changes in Wood Pole Impedance over Time

N.E. Khoza, A. Beutel, J. Van Coller

Session 7 A - Power Electronics

7A-1 Current Control of a Grid-Tied Inverter With LCL-Filter Through Model predictive Control

J.M.C. Geldenhuys, T. Mouton and A. Rix

7A-2 Design and Development of a Laboratory Model for Distribution Static Synchronous Compensator

T.E. Mabotja & S.P. Chowdhury

7A-3 Maximum Power Point Tracking Controller for a Wind Energy Conversion System

C.P. Brand and A.J. Grobler

7A-4 Design and Implementation of a Power Line Carrier Communication System using Home Plug green PHY for Demand Side Management (DSM)

A. Ogunleye, P.J Randewijk , R. Wolhuter

Session 7 B - Machines

7B-1 Synchronisation Criteria of Line-Start Permanent Magnet Synchronous Motor: A Revisit

A. Chama A.J. Sorgdrager and R-J Wang

7B-2 Comparison of Operating Modes for the Rotor-Tied Doubly Induction Generator

O.I. Olubamiwa, N.L Zietsman and N. Gule

7B-3 Rotor Position Measurement with Magnetic Stray Fields

A. Treurnicht and P.J. Randewijk

7B-4 Enhancing the Dynamic Performance of a Direct-Drive PMSG Wind Turbine Using Damping Controllers

A.N. Legesse, A.K. Saha and R. Pillay Carpanen