Rooiwal PLC Project
Trang 1ROOIWAL PLC PROJECT
CITY OF TSHWANE
‘we are the same”
Presented by: Maarten van Helden
Trang 2Introduction
> What is PLC?
> Rooiwal
> The Project
> Findings
> The Way Forward
Trang 3What is PLC?
Power Line Communication
Telecommunication over the Electricity
Network:
Data Voice
No need for new telecom cables
LV PLC — 220V
MV PLC —- 11kV
Trang 4What is PLC? (cont )
Trang 5What is PLC? (cont )
Injector (HE) — Repeater — Extractor (CPE)
Data Rates:
1st generation — 1.5Mbps to 4.5Mbps
2°¢ generation — 45Mbps 3'¢ generation — 200Mbps
Trang 6r
MV-PLC SlaveUnit
E
Sub stati
11kx⁄Spxv/
transformer
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HY Substation
132k⁄⁄11kwv
Master Unit
Trang 7What is PLC? (cont )
11k¥—- S80V¥
Transformer
PLC modem unit
PLC modem unit
Trang 8
What is PLC? (cont )
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Trang 9-_
What
Trang 10ROOIWal
25 km North of Pretoria Township/Village — 130 houses Community Hail
Provincial Library Tshwane Property
Rooiwal Power Station workers
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Trang 12Tne Project
Why Rooiwal?
Legislation — Tshwane Property Controlled Environment
10 Houses/Users — Later all 130 (Tender) Library
Data, Voice and Video
Optical Fiber Backbone Prove PLC as Last Mile technology
Trang 13Findings — Small pilot
Uptake — Residents eager to partake Skeptical of technology — info session &
demo Difficulties/Stumbling blocks
Equipment unstable Very old infrastructure
Meters
Old Switchgear in DB Knowledge of equipment
Trang 14Findings — Complete roll out
New info session and demonstration More residents taking part
Used for: Gaming, Internet, Voice
Free services at first — 10 selected for free trial
uncapped
Residents want more services — security cameras
“Commercial” (Special deal with ISP) — 30 users Some residents unhappy with commercial service
Trang 15Findings — Complete roll out
Difficulties/Stumbling blocks
Very old infrastructure
Meters
Old Switchgear in DB Access to houses for installation
Trang 16The Way Forward
Alternative technologies:
Wireless (Wi-Fi, WiMax etc )
DSL
Fibre
All depending on demographics and densities
Research to be continued on different access
technologies
Tshwane wide roll-out — Smart City Concept
Alternative Service Delivery Access for all Tshwane Citizens Different Access Technologies
Open Access Model