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![Page 1: Optimization of Operation and Maintenance in Thermal … of PI System to Thermal Power Plants 2015 2016 Oil Plant Coal Plant Build the system in two months. Deployed to 3 Power Plants](https://reader034.fdocuments.us/reader034/viewer/2022042620/5aa034727f8b9a62178dc2c3/html5/thumbnails/1.jpg)
© Copyright 2017 OSIsoft, LLCUSERS CONFERENCE 2017 #OSIsoftUCosisoft@
Presented by
Optimization of Operation and
Maintenance in Thermal
Power Plants using PI System
Hiroshi Kuwahara
Ryota Iseki
![Page 2: Optimization of Operation and Maintenance in Thermal … of PI System to Thermal Power Plants 2015 2016 Oil Plant Coal Plant Build the system in two months. Deployed to 3 Power Plants](https://reader034.fdocuments.us/reader034/viewer/2022042620/5aa034727f8b9a62178dc2c3/html5/thumbnails/2.jpg)
© Copyright 2017 OSIsoft, LLCUSERS CONFERENCE 2017 #OSIsoftUCosisoft@
Agenda
2
Overview of Kansai Electric Power
Challenges in Thermal Power Generation
Optimization of Operation and Maintenance in Thermal
Power Plants with IoT, Big Data and AI
Introduction of PI System to Thermal Power Plants
Application Examples
Expansion Plan
Conclusion
![Page 3: Optimization of Operation and Maintenance in Thermal … of PI System to Thermal Power Plants 2015 2016 Oil Plant Coal Plant Build the system in two months. Deployed to 3 Power Plants](https://reader034.fdocuments.us/reader034/viewer/2022042620/5aa034727f8b9a62178dc2c3/html5/thumbnails/3.jpg)
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Overview of Kansai Electric Power
3
Established in 1951
Electricity Sales : 127,516 GW
Installed Plant Capacity : 46 GWTokyo
Kansai Region
52%
21%
19%
8%
FossilNuclearHydroRenewable energy etc.
Capacity (2016)
10%
61%
29%
Coal
LNG
Oil
Fossil FuelOsaka
Coal Plant
Gas Plant
GTCC Plant
Oil Plant
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Kansai’s Overseas Projects
Empire Power StationGTCC, 635 MW Rensselaer, NY, US
Total Output: 2,159 MW
- Fossil : 1,788 MW
- Hydro : 371 MW
Empire(Thermal)
US
West Deptford(Thermal)
US
San Roque(Hydro)
Ming-Jian(Hydro)
Kuo Kuang(Thermal)
Philippine
Taiwan
Bluewaters(Thermal)
Australia
Nam Ngiep(Hydro)
Laos
Indonesia
Indonesia
Tanjung Jati B(Thermal)
Rajamandala(Hydro)
Senoko(Thermal)
Rojana(Thermal)
Singapore
Thailand
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Before 9 Electricity Power Companies
dominated and controlled the market.
After Full liberalization of the
electricity market in 2016
Opening a new market- 200 billion $ market scale
Power System Deregulation in Japan
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Optimization of Operation & Maintenance
MinimizingForced Outage
OptimizingMaintenance Plan
EnhancingPlant Efficiency
To address these challenges,
We need to make the best use of enormous amount of plant operating data.
Challenges in Thermal Power Generation
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Challenges in Thermal Power Generation
3050
67
47 64
42
68 74 72
67
0
20
40
60
80
0
30
60
90
120
150
H22年度 H23年度 H24年度 H25年度 H26年度
設備利用率
[%]
計画外停止件数
[件]
Utiliz
ation r
ate
(%
)
2010 2014201320122011
39
55
109
80 79
Num
ber
of F
orc
ed O
uta
ge
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Dow
ntim
e (
hours
)
Cum
ula
tive S
um
Challenges in Thermal Power Generation
0%
20%
40%
60%
80%
100%
0
200
400
600
800
1000
1200
ボイラチューブ
高圧電動機
脱硫装置
微粉炭機
主要配管
配管
ボイラケーシング
循環水ポンプ
湿灰処理設備
その他
Coal Fired Power Plant
2010 - 2014
Boile
r T
ube
Hig
h v
oltage
moto
r
De
su
lfu
rization
syste
m
Coal
pulv
erizer
Main
syste
mp
ipin
g
Sub s
yste
m
pip
ing
Boile
r C
asin
g
Cir
cula
tion
wate
r pum
p
Ash h
andlin
g
syste
m
Oth
ers
Predictive
Long Tail
Preventive
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Optimization of O&M in Thermal Power Plants with IoT, BD & AI
9
ExpertiseKnowledge &
ExperienceOperating
Data
Data Management Infrastructure - PI System
Optimization of Operation & Maintenance
BD Analytics with AI IoT devices
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Introduction of PI System to Thermal Power Plants
2015 2016
Oil Plant
Coal Plant
Build the systemin two months.
Deployed to 3 Power Plants/ Coal, Oil & GTCC Plants
Create 200 + surveillance screens
GTCC Plant
10
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Introduction of PI System to Thermal Power Plants
Existing System
OPC, Modbus arenot used for DCS
DCS
Plant A
It took only 2 months to install PI System in our existing plants.
DataPlant B
Plant C
DBServer
PI System
Data TransferProgram was Installed
PI UFL Interfacewas Installed
Data
11
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Ensuring Expertise TransferEnhancing Condition Monitoring
Condition Monitoring
We have …
Operation Data
Knowledge
Know-how
and etc.
PI System
・ProcessBook
・DataLink
・Coresight
12
OSIsoft has …
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13
Example - Condition Monitoring on Heat Exchangers
細管漏れの
有無細管漏れ「疑い有」時の点検ポイント
第1給水加熱器細管漏れ 無し
第2給水加熱器細管漏れ 無し
第1給水加熱器と第2給水加熱器のドレン水位開度を
比較して、大きい方が細管漏えいの疑いあり。
※両方共に細管漏洩の可能性もあるため、正常時の開
度と比較することが重要です。
※第1給水加熱器へはグランド蒸気ドレンも流入するた
めグランド蒸気切替弁の状態を確認すること。
13
Condensate Water System Surveillance Display
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Example – Condition Monitoring on Coal Mill
14
Setting pre-alarm based on past failure data for earlier anomaly detection.
Adding a single pre alarm to existing system costs US$ 10,000 / in PI System US$ 0 !
Coal Fired Boiler Surveillance Display
Display for Pre- Alarms
Coal Mill
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TBM < CBM : Optimize Maintenance Management
Extend equipment lifetime based on real-time condition monitoring & inspection records.
Life Estimation of Crucial Equipment
Future
TBM :
15
Past
TBM > CBM Now in the process of transition to CBM…
Present
Maintenance Intervals recommended
by Manufacturers.
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Example - Life Estimation of Gas Turbine Inlet Air Filters
Gas Turbine Output
Intake Air Temp
Filter Differential Press
Intake Air Filters
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ComponentMonitoring
Parameter
Remaining
Lifetime
Overhaul
Schedule
Lifetime
Consumption Rate
Operating
Time3,600 h Jul.2020
Numberof
Open& Close7,200 h Jul.2020
データ更新情報
インジケーター(寿命消費率)
Operating time 19%
寿命管理部位 寿命管理内容 残寿命 取替時期
3%Number of
open & close5%
9%
0% 100%
0% 50% 100%
17
Example - LifeEstimationonComponentsofCrucialEquipment
Optimize overhaul schedule of crucial equipment based on monitoring
deteriorating condition of the mechanical weak point of them.
Bearing
Solenoid ValveStem Nut
50%
データ更新情報
インジケーター(寿命消費率)
Operating time 19%
寿命管理部位 寿命管理内容 残寿命 取替時期
3%Number of
open & close5%
9%
0% 100%
0% 50% 100%
17
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IoT devices
Anomaly Detection ToolsPI System ToolsPerformance Optimization
Further Projects
PI System / Collect・Store・Visualize
Plant Computers
18
Process Instruments
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Thermocouple
Single-Point Measurement
Multi-Point sensor
Multi-Point Measurement enables
- More accurate lifetime estimation
- Earlier anomaly detection Boiler tubes
ThermocoupleMulti-PointSensor
Use of high-tech sensor devices- Multi-Point sensor for Boiler Super Heater tubes
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Multi-Point
Sensor
Temperature of Boiler Tube Panel Surface
Tem
pera
ture
Boiler Tubes Boiler Tube Panel Location
Use of high-tech sensor devices- Multi-Point sensor for Boiler Super Heater tubes
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Anomaly Detection ToolsPI System ToolsPerformance Optimization
IoT devices
Further Projects
PI System / Collect・Store・Visualize
Plant Computers
21
Process Instruments
![Page 22: Optimization of Operation and Maintenance in Thermal … of PI System to Thermal Power Plants 2015 2016 Oil Plant Coal Plant Build the system in two months. Deployed to 3 Power Plants](https://reader034.fdocuments.us/reader034/viewer/2022042620/5aa034727f8b9a62178dc2c3/html5/thumbnails/22.jpg)
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Big Data Analytics for Anomaly Detection
Technique Schematic Diagram Method / Theory
Classification
Clustering
Adaptive Resonance Theory
Pattern Recognition
Deep Learning
Regression
Multiple-regression
Invariant
Self-regression
Mahalanobis - Taguchi
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Big Data Analytics
Gas Heater heating medium tank level
Gas Heater outlet flue gas temp.
Predicted
ActualActual value deviatefrom predicted value Up to 6 days earlier
With BD analytics tools, the anomaly was detected 6 days earlier than operators actually had noticed it.
Operators noticed the anomalyby Level-Low Alarm.
Anomaly Detection with Big Data Analytics tool
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Non-Stationary DataStationary Data
24
Big Data Analytics
Further Trial
To verify whether or not the tools can detect anomaly even while plant load changes or plant is in start-up & shut-down operation.
Further
TrialSuccessfully
Done
Shut-down Start-up
Para
mete
rs
Time
Para
mete
rs
Time
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Anomaly Detection ToolsPI System ToolsPerformance Optimization
IoT devices
Further Projects
PI System / Collect・Store・Visualize
Plant Computers
25
Process Instruments
![Page 26: Optimization of Operation and Maintenance in Thermal … of PI System to Thermal Power Plants 2015 2016 Oil Plant Coal Plant Build the system in two months. Deployed to 3 Power Plants](https://reader034.fdocuments.us/reader034/viewer/2022042620/5aa034727f8b9a62178dc2c3/html5/thumbnails/26.jpg)
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Plant Operation Optimization System
Reduction of excess air rate Combustion optimization with
image recognition technology
Steam temp optimization
Soot blowers optimization
O2
NOxCO
Efficiency
Air fuel ratio
Pa
ram
ete
rs
Optimal
Current
Efficiency Improvement >>> 0.1% abs. UP
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Expansion Plan - PI System
2015 2016 2017
Maizuru
Nanko
Himeji No.1
Aioi
Akoh
Himeji No.2
Sakaikou
Gobo
Headquarters
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Picture / Image
RESULTSCHALLENGE SOLUTION
COMPANY and GOAL
Summary
1) Kansai Electric Power
2) To be the foremost Power Company in Japan.
Competing successfully in the power market.
To maximize optimization of
O & M at our thermal power
plants.
To merge our knowledge and
expertise in O & M with recent
remarkable developments in
digital technology.
We confirmed that it is possible to
reduce O & M costs by using the PI
System and its high compatibility
with sensor devices and Big Data
Analytics tools.
• PI System
• IoT devices
• Big Data Analytics tools
• Strengthening condition monitoring
• Switching from TBM to CBM
• Conducted the verification of Multi-point sensor, anomaly detection tools and operational improvement software.
• Minimizing forced outages
• Optimizing maintenance plan and
time,
• Making plant operations more
efficient.
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Conclusion
Optimize our Operations and Maintenance in an ongoing fashion
and stay competitive with PI System.
PI System is a crucial “bridge” that links large process data with
our expertise, collective knowledge and digital technology.
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Contact Information
Hiroshi Kuwahara
Thermal Power Division
The Kansai Electric Power Co.,Inc.
Ryota Iseki
Thermal Power Division
The Kansai Electric Power Co.,Inc.
30
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Questions
Please wait for the
microphone before asking
your questions
Please remember to…
Complete the Online Survey
for this session
State your
name & company
http://bit.ly/uc2017-app
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Thank You