IMPLEMENTATION OF NETWORK LINK VIA WIRELESS SYSTEM (3G) IN METROPOLITAN ELECTRICITIY AUTHORITY'S DISTRIBUTION MANAGEMENT SYSTEM Attapol Boonwan Data Processing Officer 5 Metropolitan Electricity Authority 1
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IMPLEMENTATION OF NETWORK LINK VIA WIRELESS SYSTEM (3G) IN METROPOLITAN
ELECTRICITIY AUTHORITY'S DISTRIBUTION
MANAGEMENT SYSTEM !
Attapol Boonwan !Data Processing Officer 5!
Metropolitan Electricity Authority!1!
Topics
• Introduction
• Methods
• Result
• Conclusion
2!
Topics
• Introduction
• Methods
• Result
• Conclusion
3!
Load Break Switch!
Fiber Optic Cable!
Feeder Remote Terminal Unit!
DMS Master Station!
Topics
• Introduction
• Methods
• Result
• Conclusion
7!
DMS communication system
8!
DMS communication system
9!
DMSMasterstation
80 FRTU
FeederRemoteTerminalUnit
OutsideField Masterstationzone
LinkFail
LinkFail
10.0.1.102
10.0.1.101
IndustrialEthernetSwitch
Packetanalyzer(Wireshark)
10.0.1.110.0.1.210.0.1.310.0.1.4
10.0.1.80
10.0.1.7910.0.1.7810.0.1.77
10!
3G Router !
Industrial Ethernet Switch !
11!
DMS communication system
Diagram of TCP Handshaking & DNP3 Reset link
12!
FRTU Status and Measurement on DMS
Topics
• Introduction
• Methods
• Result
• Conclusion
14!
Result
• Bandwidth - Measure the channel Bandwidth
• Traffic - Measure the amount of receiving and transmitting of data
• TCP Round Trip Time (RTT) - Compare the RTT
15!
Result
• Bandwidth - Measure the channel Bandwidth
• Traffic - Measure the amount of receiving and transmitting of data
• TCP Round Trip Time (RTT) - Compare the RTT
16!
Result
17!
Communication Type
AVG. Bandwidth
Fiber Optic 9,500 Kbps 3G (Full Speed) 1,500 Kbps 3G (Low Speed) 100. Kbps
**FRTU 80 sets in loop!
Result
Period of Time Amount of Data 1 Sec. 4,725.85 B
60 Sec. 283.551 KB 60 Minutes 16,614.33 KB 24 Hours 389.40 MB 30 Days 40. GB
**FRTU 80 sets in loop!
Result
19!
Communication
AVG. of Round Trip Time
Fiber Optic 1 ms 3G (Full Speed) 80 ms
3G (Low Speed) 400 ms
Topics
• Introduction
• Methods
• Result
• Conclusion
20!
Conclusion !
23!
Q & A !
24!
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