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LE CHI HOANG TRUNGLE CHI HOANG TRUNG
I. INTRODUCTIONI. INTRODUCTION
II. SCADA IN VIET NAMII. SCADA IN VIET NAM
III. SCADA IN DONG NAI POWER III. SCADA IN DONG NAI POWER COMPANYCOMPANY
III. CONCLUSIONIII. CONCLUSION
SCADA SYSTEM was installed in Viet Nam SCADA SYSTEM was installed in Viet Nam from 2000. Up to now, mostly province in from 2000. Up to now, mostly province in Viet Nam has owned SCADA system. Viet Nam has owned SCADA system.
Many experts criticized the safety in Many experts criticized the safety in operation of SCADA system in Area Centers operation of SCADA system in Area Centers like A0, A1, A2. Many systems after having like A0, A1, A2. Many systems after having installed can not go to operation in the installed can not go to operation in the reality. All of them just looked as Training reality. All of them just looked as Training SystemSystem
SCADA system is used to supervise and SCADA system is used to supervise and control plans, factories, or equipments in control plans, factories, or equipments in industry such as: telecommunication, waste industry such as: telecommunication, waste system, energy system, oil filtering system, system, energy system, oil filtering system, transportation., etc. transportation., etc.
The system transfer data from master unit The system transfer data from master unit in SCADA center and some RTU - Remote in SCADA center and some RTU - Remote Terminal Unit) or PLC - Programable Logic Terminal Unit) or PLC - Programable Logic Controller)Controller)
SCADA consist of 3 levels of controlling: SCADA consist of 3 levels of controlling:
Level 1Level 1: controlling, supervising for : controlling, supervising for respectively equipments. The most common respectively equipments. The most common device is protective relay and RTU device is protective relay and RTU
Level 2:Level 2: Collecting data from IEDs and save Collecting data from IEDs and save in order to serve for the data reading.in order to serve for the data reading.
Level 3:Level 3: The Controlling Center of all The Controlling Center of all system, where data come from Substation system, where data come from Substation Server, and then is calculated, judged Server, and then is calculated, judged status of distribution system and predict for status of distribution system and predict for the loads in the futurethe loads in the future
Level 1Level 1
Level 2Level 2
Level 3Level 3
•406.125Mhz, 406.175Mhz
•409.800Mhz, 409.875Mhz
•414.225Mhz•Dây điện thọai dùng để dự phòng
Trạm Đồng NaiTrạm Đồng Nai
Trạm Biên HòaTrạm Biên Hòa
Trạm cắt Hóa AnTrạm cắt Hóa An
MCCMCC
Trạm Tân MaiTrạm Tân Mai
Trạm cắt KCNTrạm cắt KCN
Trạm Tân HòaTrạm Tân Hòa
Trạm hợp bộ, Trạm hợp bộ, Recloser và LBSRecloser và LBS
Trạm cắt Tân PhongTrạm cắt Tân Phong
Trạm Long BìnhTrạm Long Bình
Number of Number of node using in node using in controlling and controlling and supervising: supervising: MCC and 48 MCC and 48 positions (05 positions (05 medium medium voltage voltage stations), 03 stations), 03 breaker breaker stations, 20 stations, 20 compacts, 10 compacts, 10 Recloser and Recloser and 10 LBS) 10 LBS)
SubstationSubstation
SubstationSubstation
G G G GGeneration
Transmission
Distribution
RTU
RTU RTU
SCADA
RTU
SCADA
NationalSCADA/EMS
RegionalSCADA/EMS
RegionalSCADA/EMS
At compact, LBS, Recloser:At compact, LBS, Recloser: Adding RTU 232 with functions:Adding RTU 232 with functions:
-Receiving and processing Receiving and processing command form MSC, transferring command form MSC, transferring these commands to equipments these commands to equipments - Being processed and transferring - Being processed and transferring status signals, measurement status signals, measurement signal from equipments to MSC.signal from equipments to MSC.- Managing information system - Managing information system between MSC and RTU.between MSC and RTU.- Saving events of faults of not - Saving events of faults of not linking between MSC and RTU and linking between MSC and RTU and transferring these data to MSC.transferring these data to MSC.
Compact Compact stationstationSome compacts are chosen to Some compacts are chosen to be the separated nodes be the separated nodes between linesbetween linesHere, some power poles 20m Here, some power poles 20m were installed with antenna were installed with antenna CA400Y CA400Y At the low-voltage room, installing one At the low-voltage room, installing one Transducer TRIAD to collect current, Transducer TRIAD to collect current, pressure, and active power signalpressure, and active power signalSignals were transfer to RTU 211 to Signals were transfer to RTU 211 to transform into wireless signals. And then, transform into wireless signals. And then, these signal will be transferred to antenna these signal will be transferred to antenna to go to Control Center. to go to Control Center.
LBS, LBS, Recloser:Recloser:Using power poles to install Using power poles to install antenna CA400Y antenna CA400Y Installing more DLUs to collect Installing more DLUs to collect current, voltage signal. DLUs current, voltage signal. DLUs will supply these signals to will supply these signals to Control Center (MCC)Control Center (MCC)
Data were transfer to MCC Data were transfer to MCC through Telemodem 32/485 through Telemodem 32/485
At the station 110/ 220KV:At the station 110/ 220KV:
The current stations were The current stations were installed more devices installed more devices such as:such as:- Radiator VHF with 4 - Radiator VHF with 4 chanelschanels- Transmission line PSTN.- Transmission line PSTN.- Information towerInformation tower- RTU 560RTU 560
Data is transferred in the Data is transferred in the possible shortest time possible shortest time delay, about 5 seconds – delay, about 5 seconds – even in the emergency even in the emergency cases cases
One channel UHF is used One channel UHF is used to collect data from 4 to collect data from 4 breaker station with breaker station with protocol Master/Slaver protocol Master/Slaver between SCADA and RTU between SCADA and RTU in high voltage stationin high voltage station
Information from Relay, Information from Relay, and transducer were and transducer were transferred to RTU 232 transferred to RTU 232
The high voltage stations The high voltage stations were installed were installed information cabin, named information cabin, named Marshall. Marshall.
Data were transformed Data were transformed into the proper protocol into the proper protocol (from RP570 to IEC 870-5-(from RP570 to IEC 870-5-101) and transfer to MCC 101) and transfer to MCC through dial modemthrough dial modem
Telecommunication Telecommunication system system substation MV/LV, Recloser, LBS were substation MV/LV, Recloser, LBS were controlled in remote by UHF.controlled in remote by UHF.System UHF was configured to be System UHF was configured to be suitable with the operation of SCADA. suitable with the operation of SCADA. Substation will transfer data to breaker Substation will transfer data to breaker station/ high voltage station and wait for station/ high voltage station and wait for a moment to reply. To limit the data a moment to reply. To limit the data transferring, maximum 4 breaker station/ transferring, maximum 4 breaker station/ high voltage station will be collected high voltage station will be collected data in a circulation by a receiver in the data in a circulation by a receiver in the Control Center. Control Center.
Telecommunication LineTelecommunication Line
- Two respective frequencies are used to - Two respective frequencies are used to transfer and receive (dual UHF). transfer and receive (dual UHF). - Protocol: using protocol IEC 60870-5-- Protocol: using protocol IEC 60870-5-101101
Telecommunication system Telecommunication system System VHF available can support the System VHF available can support the voice communication. So, all 4 channels voice communication. So, all 4 channels can be used concluding as follow 142.65 can be used concluding as follow 142.65 MHz cho caùc hoaït ñoäng ñieàu ñoä.MHz cho caùc hoaït ñoäng ñieàu ñoä.143.15 MHz for distribution application143.15 MHz for distribution application143.25 MHz for maintenance application143.25 MHz for maintenance application143.45 MHz for maintenance application143.45 MHz for maintenance applicationThe main characteristic of current VHF is: The main characteristic of current VHF is: one-way transferring. The distance one-way transferring. The distance between channels is 12.2/25kHz, between channels is 12.2/25kHz, transferred power is 40W max. Signal transferred power is 40W max. Signal type: voice.type: voice.
Computer for dispatchers to operate:Computer for dispatchers to operate: - 2 master computer SYS1 and SYS2 with - 2 master computer SYS1 and SYS2 with dual application (main and back-up ) were dual application (main and back-up ) were used to supervise, collect, and remote used to supervise, collect, and remote control.control.- 1 master computer DMS (Distribution - 1 master computer DMS (Distribution Management System) to serve for operating Management System) to serve for operating the system by real mapthe system by real map
Control Center MCCControl Center MCC
Caùc thieát bò phuïc vuï cho chuyeân vieân Caùc thieát bò phuïc vuï cho chuyeân vieân Scada :Scada :
- Maùy chuû MDW (Management - Maùy chuû MDW (Management Development Workstation) vaø EW Development Workstation) vaø EW (Engineering Workstation) daønh rieâng (Engineering Workstation) daønh rieâng ñeå phuïc vuï ñaøo taïo, môû roäng vaø ñeå phuïc vuï ñaøo taïo, môû roäng vaø nghieân cöùu.nghieân cöùu.- Maùy chuû AS (Archive Server)ï: ghi - Maùy chuû AS (Archive Server)ï: ghi nhaän, löu tröõ, taùi naïp caùc thoâng tin nhaän, löu tröõ, taùi naïp caùc thoâng tin quùa khöù vaø khôûi taïo caùc baùo quùa khöù vaø khôûi taïo caùc baùo bieåu. bieåu. - Maùy chuû EW phuïc vuï trao ñoåi döõ - Maùy chuû EW phuïc vuï trao ñoåi döõ lieäu vôùi caùc trung taâm ñieàu khieån lieäu vôùi caùc trung taâm ñieàu khieån khaùc.khaùc.
Server ASServer AS PC. DMSPC. DMS PC.EWPC.EW
PC. SyS 1PC. SyS 1 PC. SyS 2PC. SyS 2 Overview Overview ACCACC
Trạm Đồng Nai Long Bình Tân Hoà TC.Tân Phong
Trạm Tân Mai Trạm Biên Hoà TC. Hóa An TC. KCN
SW A
SW B
Máy in kim
Cisco 1605R
Máy in Laser A4
Máy tính chủ chính (EW) để đào tạo nghiên cứu
và mở rộng hệ thống
Máy tính chủ (Com 2)
thu thập dữ liệudự phòng
Nối với Công ty Điện lực 2
(Remote Console)
LAN 2
Máy tính chủ (MDW) dïng ®Ó nghiªn cøu vµ më
réng
GPS
Truyền Truyền thông thông
dự phòngdự phòng
Sys 1Máy tính
điều khiển
LAN 2
22”22”22”22”22”22”
Máy tính chủ DMS
LAN 1 HP JetdirectM
Máy tính chủ Lýu dữ liệu
(AS)
LAN 1
22”22”
Sys 2Máy tính
điều khiển
Đồng bộ thời gian
Máy chiếu
22”22”22”22”
HUB
M
RAS
17”
Máy tính chủ (Com 1)
thu thập dữ liệuchính
Fall Back Switch
22”22”
Các trạm hợp bộ, Recloser và LBS
409,800 MHz
409,875 MHz406,125 MHz406,175 MHz
414,
225
MH
z
Designing of SCADA/DMSDesigning of SCADA/DMS
Application is designed based on the Application is designed based on the software of SCADA and OPERA, running on software of SCADA and OPERA, running on WINDOWS WINDOWS
Core software language is SCIL (Supervisory Core software language is SCIL (Supervisory Control Implementary Language)Control Implementary Language)
- Collecting and processing data from RTU.- Collecting and processing data from RTU.- Calculating from data were transferred - Calculating from data were transferred from RTU.from RTU.- Supervising and controlling in remote - Supervising and controlling in remote Breaker, Recloser, LBS and Compact Breaker, Recloser, LBS and Compact Station.Station.- Creating and managing alarm clocks of Creating and managing alarm clocks of faults. faults. - Recording the eventRecording the event- Report : Receiving, showing the value of - Report : Receiving, showing the value of measurement, giving charts from these measurement, giving charts from these data..data..
- Report : Receiving, showing the - Report : Receiving, showing the measurement and drawing charts according measurement and drawing charts according the real time.the real time.- Event list : Recording and events in the - Event list : Recording and events in the past time can be reviewed by the past time can be reviewed by the dispatchers.dispatchers.- Alarm list : Recording and highlighting - Alarm list : Recording and highlighting temporary faults or permanent faults. temporary faults or permanent faults. - Note : Creating notes on the breakers (for - Note : Creating notes on the breakers (for more information) more information)
User screen of SCADA/DMSUser screen of SCADA/DMS
ModulatiModulation of on of
Dong Nai Dong Nai power power
lineline
1.1.Modulation Modulation Opera ++Opera ++
2. Modulation 2. Modulation DMSDMS
-At MCC, we can not confirm weather At MCC, we can not confirm weather breaker in compact station 22KV or in the breaker in compact station 22KV or in the high voltage station is in the operation high voltage station is in the operation position or out of operation position.position or out of operation position.- When the breaker is not in the ready When the breaker is not in the ready operation position, dispatchers can operation position, dispatchers can control them, DMS show the change of control them, DMS show the change of status but no measurements were status but no measurements were recognized. recognized. - Breaker is in the remote position, but - Breaker is in the remote position, but operator can open/close it. operator can open/close it.
- When doing the contract, Dong Nai When doing the contract, Dong Nai power company didn’t require ABB to power company didn’t require ABB to supply Sources of Scada vaø DMS. In the supply Sources of Scada vaø DMS. In the future, when there is any fault to SYS1 future, when there is any fault to SYS1 and SYS2 , the system can not be usedand SYS2 , the system can not be used
- Because Mini-Scada TP.Bieân Hoøa was Because Mini-Scada TP.Bieân Hoøa was designed from 1997 so that the data was designed from 1997 so that the data was transfer by UHF, the back-up is tele-line, transfer by UHF, the back-up is tele-line, so that the area to control and supervise so that the area to control and supervise is limited by 20Km from MCC.is limited by 20Km from MCC.
XIN CHAÂN THAØNH CAÛM ÔN YÙ KIEÁN CUÛA THAÀY VAØ CAÙC BAÏN