Improved Network Operations Through Computer Modeling and Support System
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1 Improved Network Operations Through Computer Modeling and Support System Lindell Ormsbee, P.E., Ph.D., Sebastian Bryson, P.E. Ph.D. Scott Yost, P.E., Ph.D University of Kentucky Abdoul A. Oubeidillah, Ph.D., Andrew N.S. Ernest, Ph.D., P.E., Joseph L. Gutenson University of Alabama Jim Uber, P.E., Ph.D, Dominic Boccelli, Ph.D University of Cincinnati Srini Lingireddy, Ph.D, KYPIPE, LLC. 1
2 Workshop Agenda 1. Project Overview (UK) 15 minutes 2. Overview of Project Website (UK) 15 minutes 3. Overview of Visualization Models (UK) 30 minutes Graphical Flow Model Pipe Break Model 4. Off-line network modeling (UK) 10 minutes 5. Overview of SCADA (UK) 25 minutes 6. Overview of Sensor Placement (UK) 25 minutes Sensor Placement Model 9. Wrap up discussion 30 minutes 2
3 Workshop Agenda 1. Project Overview/Objectives 2. Overview of Project Website 3. Overview of Visualization Models Graphical Flow Model Pipe Break Model 4. Off-line network modeling 5. Overview of SCADA 6. Overview of Sensor Placement Sensor Placement Model 7. On-line network modeling Real-time predictive analytics: process and benefits Real-time network modeling: NKWD field study 8. Overview of Toolkit 9. Wrap up discussion 3
4 Project Goal To assist water utilities in improving the operation of their water distribution systems through a better understanding of the impact of water distribution system hydraulics and flow dynamics on operational decision making: Normal operations Emergency operations Natural events Man made events Research Knowledge Tools
5 Real Time Operations On-Line Water Quality Model Water Distribution System Operations Hierarchy On-Line Hydraulic Model Supervisory Control and Data Acquisition (SCADA) Off-Line Water Quality Model Off-Line Hydraulic Model Spatial Visualization Model SCADA Database Telemetry/Communication Systems Water Quality Sensors Hydraulic Sensors
6 Project Objectives ON-LINE COMPUTER MODELS OFF-LINE COMPUTER MODELS SPATIAL VISUALIZATION OF NETWORK COMPONENTS SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) Develop knowledge and tools to support water distribution system operations Develop a decision support system Operational guidance Operational toolkit 6
7 WDS Operational Objectives Maintain Adequate Pressures Minimize Water Quality Problems Minimize Operational Cost Schedule Maintenance Emergency Response 7
8 Operational Questions How long will it take to fill or drain my tanks under: Normal conditions? Emergency conditions? When and how long should I run my pumps to minimize cost? Can I improve my water quality by changing my operations? How will my system perform if I have to close several pipes? Which valves do I need to close to isolate a pipe break? What are the impacts on pressures and flows? 8
9 Operational Support Supervisory Control and Data Acquisition System Computer Models 9
10 Need for SCADA Why do we need a monitoring/ control system? Normal Operations Pipe Breaks/Leaks Pump/Tank Failures Contamination Events Maintain Energy Efficiency Minimize Operational Costs 10
11 Need for Models Graphical representation of system Network schematic Background map Infrastructure database Customer database Computer analyses 11
12 1. Project Overview Workshop Agenda 2. Overview of Project Website 3. Overview of Visualization Models Graphical Flow Model Pipe Break Model 4. Off-line network modeling 5. Overview of SCADA 6. Overview of Sensor Placement Sensor Placement Model 9. Wrap up discussion 12
13 Water Distribution System Operations Website PURPOSE: To assist water utilities with designing a monitoring/control system. Operational Applications Normal Operations Emergency Response Management Water Quality Management Energy Management Event Detection 13
14 WDS Operational Decision Support Tool User Defined Decisional Process User Assisted Decisional Process 14
15 User Defined Decisional Process (Guidance) User Defined Decisional Process User Assisted Decisional Process 15
16 16
17 User Assisted Decisional Process (toolkit) User Defined Decisional Process User Assisted Decisional Process 17
18 WDS Toolkit
19 Workshop Agenda 1. Project Overview 2. Overview of Project Website 5. Overview of SCADA 3. Overview of Visualization Models Graphical Flow Model Pipe Break Model 4. Off line network modeling 6. Overview of Sensor Placement Sensor Placement Model 7. On-line network modeling Real-time predictive analytics: process and benefits Real-time network modeling: NKWD field study 8. Overview of Toolkit 9. Wrap up discussion 19
20 SCADA ON-LINE COMPUTER MODELS OFF-LINE COMPUTER MODELS SPATIAL VISUALIZATION OF NETWORK COMPONENTS SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) 20
21 SCADA 21
22 SCADA SYSTEMS GUIDANCE Potential SCADA Uses SCADA Functions SCADA Survey SCADA Components Supervisory Control Schemes SCADA Implementation Process SCADA Sensor Location SCADA Sensor Placement Decision- Making Sequence SCADA CWS Sensor Placement Optimization Program Inputs SCADA Sensor Placement Guidance SCADA Sensor Placement Software
23 SCADA Functions Data Acquisition (Collection) Data Communication (Monitoring) Data Presentation Equipment Control 23
24 SCADA Components Sensors and Controllers SCADA Interface Units Communications Network SCADA Master 24
25 Hydraulic Sensors Types of Hydraulic Sensors Pressure Sensors Flow Sensors 25
26 Hydraulic Sensors Sources of Hydraulic Sensors: ABB, abb.com Ashcroft, ashcroft.com Holykell, holykell.com Honeywell, honeywell.com Keyence, keyence.com Truck, truck-usa.com 26
27 Water Quality Sensors Types of Water Quality Sensors Chlorine Residual Sensor TOC Sensor Turbidity Sensor Conductivity Sensor ph Sensor ORP Sensor - 27
28 Water Quality Sensors Sources of Water Quality Sensors ABB, abb.com GE, ge.com Hach, hach.com Siemens, siemens.com Emerson, emersonprocess.com Yokogawa, yokogawa.com/us 28
29 Picture of Water Quality Control Station 29
30 Control Equipment (Pumps) 30
31 Control Equipment (PRVs) 31
32 Control Equipment (Control Valves) 32
33 SCADA Interface Units Remote Telemetry Units (RTU1s) Remote Terminal Units (RTU2s) Programmable Logic Controllers (PLCs) 33
34 RTU: Remote Telemetry Unit Field interface unit compatible with the SCADA system language Convert electronic signals received from field sensors (i.e. pressure sensors, tank level sensors, etc.) into protocol and transmit data to the SCADA Master Typically consist of a box which contains a microprocessor and a database 34
35 RTU: Remote Terminal Unit Field interface unit compatible with the SCADA system language Convert electronic signals received from field sensors (i.e. pressure sensors, tank level sensors, etc.) into protocol and transmit data to the SCADA Master Typically consist of a box which contains a microprocessor and a database 35
36 PLC: Programmable Logic Controller Basic alternative to RTU; higher cost Typical components include CPU Memory Control Software Power Supply Input/Output Modules A digital computer used to monitor and control certain aspects of equipment such as motor speed, valve actuation, and other functions 36
37 SCADA Supervisory Control and Data Acquisition 2 Supervisory Control Schemes Control Hierarchical Control Distributed Control RTU PLC Control Control Monitor Instruct Control Monitor Instruct PLC Control Control RTU Monitor Instruct PLC Control RTU 37
38 Control Schemes: Advantages/Disadvantages Hierarchical Control ADVANTAGES: Low cost (RTUs vs. PLCs) Distributed Control ADVANTAGES: Normal operations maintained despite communications failure Potential differences are minimized for scan and transmission rates DISADVANTAGES: Inability to operate in case of communication failure Potential problems from data transmission rates and computer scan rates DISADVANTAGES: High cost (PLCs vs. RTUs) 38
39 Why do we need a monitoring/ control system? Normal Operations Pipe Breaks/Leaks Pump/Tank Failures Need for SCADA Contamination Events Maintain Energy Efficiency Minimize Operational Costs 39
40 EPA Water Security Initiative The Water Security (WS) initiative is a U.S. Environmental Protection Agency (EPA) program that addresses the risk of contamination of drinking water systems. EPA established this initiative in response to Homeland Security Presidential Directive 9, under which the Agency must develop robust, comprehensive, and fully coordinated surveillance and monitoring systems, including international information, for water quality that provides early detection and awareness of disease, pest or poisonous agents. 40
41
42 EPA Water Security Operational Phases
43 EPA Water Security Initiative 43
44 Computer Models ON-LINE COMPUTER MODELS OFF-LINE COMPUTER MODELS SPATIAL VISUALIZATION OF NETWORK COMPONENTS SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) 44
45 Computer Models Computer models for network modeling have been around since the late 1950s. 45
46 Potential Model Uses Static hydraulic analyses Flows and pressures in the system Fire flow tests Valve closure Dynamic hydraulic analyses Tank turnover Pump operations Emergency response Water Quality analyses Age analysis Chlorine residual analysis Tracer analysis Real Time Analysis Real Time Operations Emergency Response 46
47 47
48 48
49 49
50 50
51 51
52 52
53 53
54 Water Distribution System Model
55 Water Distribution System Model Topologic Information Network Layout
56 Water Distribution System Model Maps Topologic Information Network Layout
57 Water Distribution System Model Maps KIA GIS Data Topologic Information Network Layout
58 Water Distribution System Model Elevation Information Elevations
59 Water Distribution System Model Maps Elevation Information Elevations
60 Water Distribution System Model Maps KY GIS DEM Data Elevation Information Elevations
61 Water Distribution System Model Maps KIA GIS Data Topologic Information KIA DEM Data Elevation Information Pipe Information L, D
62 Water Distribution System Model Maps KIA GIS Data Topologic Information KIA DEM Data Elevation Information Historical Records Pipe Information L, D
63 Water Distribution System Model Maps KIA GIS Data Topologic Information KIA DEM Data Elevation Information Historical Records KIA GIS Data Pipe Information L, D
64 Water Distribution System Model Maps KIA GIS Data Topologic Information KIA DEM Data Elevation Information KIA GIS Data Historical Records Pipe Information C Pipe Roughness
65 Water Distribution System Model Maps KIA GIS Data Topologic Information KIA DEM Data Elevation Information KIA GIS Data Historical Records Pipe Information C Literature C Values Pipe Roughness
66 Water Distribution System Model Maps KIA GIS Data Topologic Information KIA DEM Data Elevation Information KIA GIS Data Historical Records Pipe Information C C = 4.73 Q L 0.54 H f 0.54 D 2.63 Literature C Values Pipe Roughness C-Factor Tests
67 Water Distribution System Model Maps KIA GIS Data Topologic Information KIA DEM Data Elevation Information Tank Historical Records Valve KIA GIS Data Pipe Information Reservoir Pump Literature C Values C-Factor Tests Manufacturer Data Component Information
68 Water Distribution System Model Maps Billing Information Production Information KIA GIS Data Topologic Information KIA DEM Data Elevation Information Nodal Demands Historical Records KIA GIS Data Pipe Information Literature C Values C-Factor Tests Manufacturer Data Component Information
69 Water Distribution System Model Maps Billing Information Production Information KIA GIS Data Topologic Information KIA DEM Data Elevation Information Historical Records KIA GIS Data Pipe Information Literature C Values C-Factor Tests Operational Scenarios Manufacturer Data Component Information Operational Staff SCADA
70 Water Distribution System Model Maps Billing Information Production Information KIA GIS Data Topologic Information Nodal Demands KIA DEM Data Elevation Information Historical Records User Interface KIA GIS Data Literature C Values Pipe Information Pipe Roughness Model Database C-Factor Tests Operational Policies Manufacturer Data Component Information Operational Staff SCADA
71 Water Distribution System Model Maps Billing Information Production Information KIA GIS Data Topologic Information Nodal Demands Computer Algorithm KIA DEM Data Elevation Information Historical Records User Interface KIA GIS Data Pipe Information Model Calibration Literature C Values Pipe Roughness Operational Policies Model Database Fire Flow Tests C-Factor Tests Operational Staff SCADA Pressure/Tank Data Manufacturer Data Component Information Tracer Test Data
72 Q = 29.8 C D 2 P 0.5 where: D (inches), P (psi), Q(gpm) 72
73 Water Distribution System Model Maps Billing Information Production Information KIA GIS Data Topologic Information Nodal Demands Computer Algorithm KIA DEM Data Elevation Information Model Results Historical Records User Interface KIA GIS Data Literature C Values Pipe Information Pipe Roughness Operational Policies Model Database Steady State Analysis Extended Period Analysis Water Quality Analysis C-Factor Tests Operational Staff SCADA Pipe Break Analysis Manufacturer Data Component Information Energy Analysis
74 Additional Resources 74
75 SPATIAL VISUALIZATION OF NETWORK COMPONENTS 75
76 SPATIAL VISUALIZATION OF NETWORK COMPONENTS 76
77 Graphical Flow Model User Interface 77
78 File and Program Options Map Setting Options Map Function Menu Map Window Pipe and Node Data Menu
79 Program Command Bar
80 Map Function Menu Map Layout Mode Fixed Mode 1 Cannot move or add nodes Select Multiple Nodes and Pipes Attach a note to the map View data tables Add north arrow to map Undo last map change Map Text Mode Fixed Mode 2 Cannot move/can add nodes Select Nodes/Pipes using a polygon Clear selections Refresh map Views Redo last map change Zoom and pan functions Zoom and pan functions Shift map window functions Shift map window functions 80
81 Network Data Management 81
82 82
83 83
84 You can also use GFM to manage facilities data If you click on the Table icon, the program will take you to a table that contains information about your system 84
85 These are the parameter values that have been read in From the KIA database. However, you can change them if you want. 85
86 These results can also be viewed from the Map menu. In order to turn on a particular set of data, first go to the Map Settings Tab and then click on the Labels tab. Now you can use the drop down menu to select a particular type of data. Here we have selected diameter data. To show this data on your map, make sure to click on the box next to the selected parameter (e.g. Diameter as shown) Now, click on the Map tab to take you back to the map viewing area. 86
87 Here is the map view with all the pipe diameters (in inches) shown. 87
88 Hydraulic Model 88
89 Model Results Display Flowrates Display Pressures Display Pressures Contours Print Out Report 89
90
91 Generating a Flow Analysis 91
92 Analyze Error Check Analysis Inventory/Costs Quick Results 92
93 Flow analysis options are provided in a menu after the run completes 93
94 Pipe flowrates displayed by yellow boxes. Nodal system inputs/outputs displayed by blue boxes. 94
95 Pressures at System Nodes Displayed by Labels
96 Pressure Contours (Hatch) 96
97 Result of Screen Capture 97
98 Elements of a Flow Analysis Report 1. File name of the network 2. Regulatory valve data and properties 3. Pipeline data and properties 4. Node data and properties 5. Regulatory valve flow analysis results (upstream and downstream pressure and through flowrate) 6. Pipeline Flow analysis (flowrates) 7. Node flow analysis results (external demand, hydraulic grade, pressure head and node pressure in psi) 8. Summary of system inflows and outflows 98
99
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101 Pipe Break/Contamination Extent Visualization 101
102 Pipe Break/ Contamination Feature If the system needs to be isolated, using what valve(s)? What is the associated volume of contaminated water? Number of customers? Total demand? What is the associated volume of isolated water? Number of customers? Total demand? What critical pieces of infrastructure are impacted? If the system should be flushed, can the upstream part of the system be used or does the system need to be isolated and flushing water pumped through a hydrant? If so, which hydrant? What will be the final disposition of the flushed water? Where will the water flow? 102
103 Generate a contamination report by a point 1. Click on Facilities Management on the top menu bar 2. Select Contamination (point) from the menu 3. Click on a pipe in the network map in the location of the contamination 4. Click on a valve to expand the contamination beyond the valve 5. Go back to the Facilities Management menu and select Contamination Report 103
104 1 2
105 3 105
106 4. Single-click this valve to see the contamination move north and west in the system. (Note: clicking again on this valve will close it and the contamination will update to the new boundary condition.)
107 Pipes isolated from the system are highlighted green. Volume Summary Box 107
108 5 108
109 Elements of a Contamination Report (Point Selection) 1. File name of the network 2. Date that the analysis was performed 3. Name of the pipe that contains the source of the contaminant (this is defined by where the user clicked to insert the point intrusion) 4. Volume of water contained in the contaminated pipes 5. Volume of water contained in pipes that are not contaminated but are isolated from a source 6. List of valve that must be turned off in order to isolate the contamination 7. List of hydrants that are in the contaminated region 8. Name and elevation of the lowest hydrant in the contaminated area (for use in flushing) 9. List of the lengths of all of the types of pipes within the 109 contaminated region; categorized by material, rating, and diameter
110 Workshop Agenda 1. Project Overview 2. Overview of Project Website 3. Overview of Visualization Models Graphical Flow Model Pipe Break Model 4. Off line network modeling 5. Overview of SCADA 6. Overview of Sensor Placement Sensor Placement Model 7. On-line network modeling Real-time predictive analytics: process and benefits Real-time network modeling: NKWD field study 8. Overview of Toolkit 9. Wrap up discussion 110
111 OFF-LINE COMPUTER MODELS ON-LINE COMPUTER MODELS SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) OFF-LINE COMPUTER MODELS SPATIAL VISUALIZATION OF NETWORK COMPONENTS 111
112 Workshop Agenda 1. Project Overview 2. Overview of Project Website 3. Overview of Visualization Models Graphical Flow Model Pipe Break Model 4. Off-line network modeling 5. Overview of SCADA 6. Overview of Sensor Placement Sensor Placement Model 7. On-line network modeling Real-time predictive analytics: process and benefits Real-time network modeling: NKWD field study 8. Overview of Toolkit 9. Wrap up discussion 112
113 Workshop Agenda 1. Project Overview 2. Overview of Project Website 3. Overview of Visualization Models Graphical Flow Model Pipe Break Model 4. Off line network modeling 5. Overview of SCADA 6. Overview of Sensor Placement Sensor Placement Model 7. On-line network modeling Real-time predictive analytics: process and benefits Real-time network modeling: NKWD field study 8. Overview of Toolkit 9. Wrap up discussion 113
114 Water Quality Sensor Placement General guidelines Single sensor placement Graphical method Simplified graphical method Placement Software TEVA SPOT KYPIPE 114
115 Sensor Location Tool INPUT Number of sensors to be placed in system Mass injection rate of contaminant (1000 mg/min) Duration of injection (1 hr) OUTPUT Optimal sensor placement locations within system Contamination Report * Be sure you are using an Extended Period Simulation (EPS)
116 Sensor Location Tool
117 Sensor Location Tool
118 Sensor Location Tool Press SHIFT Shift + F7
119 Sensor Location Tool
120 Sensor Location Tool
121 Sensor Location Tool
122 Sensor Location Tool 2 sensors placed at optimal locations
123 Sensor Location Tool
124 Workshop Agenda 1. Project Overview 2. Overview of Project Website 3. Overview of Visualization Models Graphical Flow Model Pipe Break Model 4. Off line network modeling 5. Overview of SCADA 6. Overview of Sensor Placement Sensor Placement Model 7. On-line network modeling Real-time predictive analytics: process and benefits Real-time network modeling: NKWD field study 8. Overview of Toolkit 9. Wrap up discussion 124
125 ON-LINE COMPUTER MODELS ON-LINE COMPUTER MODELS SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) OFF-LINE COMPUTER MODELS SPATIAL VISUALIZATION OF NETWORK COMPONENTS 125
126 ON-LINE COMPUTER MODELS 126
127 ON-LINE COMPUTER MODEL GUIDANCE Model / SCADA Integration / Calibration Implementation Strategies and Barriers for Real-Time Modeling Potential Applications of Real-Time Simulation Actual Applications of Real-Time Simulation
128 Workshop Agenda 1. Project Overview 2. Overview of Project Website 3. Overview of Visualization Models Graphical Flow Model Pipe Break Model 4. Off line network modeling 5. Overview of SCADA 6. Overview of Sensor Placement Sensor Placement Model 7. On-line network modeling Real-time predictive analytics: process and benefits Real-time network modeling: NKWD field study 8. Overview of Toolkit 9. Wrap up discussion 128
129 Operational Toolkit for a Water Distribution System WDS Wizard A Water Wizard Module Abdoul A. Oubeidillah, Ph.D. Andrew N.S. Ernest, Ph.D.,P.E., BCEE, D.WRE Joseph L. Gutenson The Environmental Institute The University of Alabama Project Workshop May 27 th 2014 Northern Kentucky Water District
130 User Assisted Decisional Process (toolkit) User Defined Decisional Process User Assisted Decisional Process 130
131 Workshop Agenda 1. Project Overview 2. Overview of Project Website 3. Overview of Visualization Models Graphical Flow Model Pipe Break Model 4. Off line network modeling 5. Overview of SCADA 6. Overview of Sensor Placement Sensor Placement Model 7. On-line network modeling Real-time predictive analytics: process and benefits Real-time network modeling: NKWD field study 8. Overview of Toolkit 9. Wrap up discussion 131
132 Survey On a scale of 1-9, how important are the following knowledge databases to your operations? Information on sensors and telemetry. [ ] Information on SCADA. [ ] Information on network visualization. [ ] Information on sensor placement. [ ] Information on off-line modeling. [ ] Information on model calibration. [ ] Information on real-time modeling. [ ] What additional content would you like to see added? 132
133 Survey On a scale of 1-9, how likely would you be to use the following models? Graphical flow model [ ] Decon/pipe break model [ ] Sensor placement tool [ ] Real-time operations [ ] 133
134 Survey How useful was the project presentation? What additional information would you like to see? What information, if any, do you feel was not necessary? What changes could be made to make the presentation more informative or useful to your operations? 134
135 Questions? 135
136 OFF-LINE COMPUTER MODELS 136
137 OFF-LINE COMPUTER MODEL GUIDANCE Network Analysis Model Development Model Calibration Model Calibration Literature Laboratory Model Calibration Case Study Actual System Calibration Case Studies Model Application Examples of Model Applications Model Selection EPANET KYPIPE
Improved Network Operations Through Computer Modeling and Support System
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