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Example of SIMONE Network Manager Integration Plinacro project description. PLINACRO Project – Basic facts. Croatian national gas transport network Coveres northern part, from east to west, with tendency of expanding to whole teritory of Croatia Complex topology – loops, parallel lines

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Example of simone network manager integration plinacro project description

Example of SIMONE Network Manager IntegrationPlinacro project description


Plinacro project basic facts
PLINACRO Project – Basic facts

Croatian national gas transport network

  • Coveres northern part, from east to west, with tendency of expanding to whole teritory of Croatia

  • Complex topology – loops, parallel lines

  • Different pipeline characteristics (diameter, length, roughness, altitude profile, etc.)

  • Complex technology – different pressure levels (75, 50, 20, .. bar), regulation nodes, etc.

  • Large number of off-take stations – appr. 140 from very small to very large

  • Gas supplied from domestic gas production (20 in-take stations) and from import (1 border in-take station)

  • More than 150 distribution networks and direct industrial consumers connected to Plinacro gas network

  • Underground gas storage OKOLI used to compensate for seasonal and short-term gas consumption variation


Plinacro project basic facts cont
PLINACRO Project – Basic facts / cont.

Plinacro SCADA system

  • ABB Network Manager

    • 2 SCADA servers,

    • 2 UDW servers,

    • 1 DE server,

    • 1 web server,

    • 1 GIS/TIS server

    • 3 operator workstations

    • 2 DE workstation

  • Private communication network (microwave and UHV radio, fiber optic)

  • 66 RTUs connecting dispatching centre with:

    • appr. 30 major off-take stations

    • 7 major in-take stations

    • 9 regulating nodes

    • 1 underground gas storage

    • block stations, etc.

  • Special functions subsystem featuring

    • Load forecasting

    • Realtime simulation

    • Leak detection and localization

    • Look-ahead simulation

    • Predictive simulation

    • Application modules



External data sources
External data sources

Gas meter readings (manual operation)

  • Hourly metered values are recorded locally in gas meters or data loggers

  • Periodically, recorded values are uploaded in PC and sent (or brought) to dispatching center

  • Collected data is stored in MS Access database

  • MS Access application enables: data analysis, reporting, aggregation and UDW update

  • Data stored in UDW by gas consumer (instead of by individual meter lines)

    Nominations

  • Nominations sent by gas shipper INA for:

    • Gas production (20 in-take points)

    • Gas import (1 in-take point)

    • Special consumers (power plants, petrochemistry, sugar factories)

  • Hourly profiles stored in XML files which are sent to Plinacro

  • In Plinacro, received XML files are used to update UDW

  • Same application used by Plinacro to create hourly profiles for underground storage

    Meteo data

    • Weather forecast for 2 variables (temperature, cloudness) on 6 locations received twice per day (flat ascii file received by ftp)

    • Forecast consists of 174 hourly values, starting from 01:00 or 13:00 hours of current day

    • Weather history received periodically for longer time period (eg. per month)

    • Received meteo data stored in MS Access database, and after that sent to UDW


Load forecasting
Load forecasting

Special consumers (power plants, petrochemistry, sugar factories)

  • Shipper INA sends monthly nominations, which can be updated daily

  • Stepwise curves, received in XML files, stored in UDW

  • Operators are able to change contents of XML files

    Large distribution networks and direct industrial consumers

  • Special program LOAD FORECAST used for load prediction

  • Load forecast run twice a day

  • Forecasting method: Kalman filter, exponential smoothing

  • Input data stored in UDW in the form of hourly time series data:

    • Previous day online gas counter reading history

    • Previous day weather history

    • Medium term weather forecast

    • 2 weather parameters (air temperature and cloudness) and type of day used as influence variables

    • Currently, weather forecast is used to create weather history!

    • Load forecast stored in UDW in the form of hourly time series data

      Small nontelemetered distribution networks and direct industrial consumers

    • Constant load

    • Updated periodically – average historic values derived from manual meter readings


Simone gas network model
SIMONE – gas network model

  • Basis for all SIMONE applications

  • Developed in SIMONE TOPO editor tool

  • ALL pipelines included

  • Real altitude profiles entered

  • Default pipe wall roughness entered (additional tuning necessary)

  • ALL off-take stations

  • ALL in-take stations

  • Switching elements (valves) for occasional topology modification – online or manual

  • Control elements (pressure and flow regulators)

  • “Star-like” regulating nodes – customization for Plinacro

  • Different gas qualities on in-take points


Simone realtime execution
SIMONE realtime execution

  • State reconstruction and Leak detection controled by Cycle control program

  • Basic cycle length 3 min.

  • In data preparation phase 266 flows, pressures and other values imported from NM

  • After reconstruction run some calculated values are exported to NM

  • User can view ALL calculated values in SIMONE GUI (different ways)

  • Some calculated values can be viewed in NM environment





Simone look ahead run
SIMONE look-ahead run

  • Look-ahead simulation execution controled by Cycle control program

  • Look-ahead cycle length - 3 min.

  • In data preparation phase boundary flow profiles are imported from NM

  • Special initial scenario is prepared and updated regularly for nontelemetered consumers

  • Initial state – estimated network state taken from realtime run

  • Setpoint values retain actual values from realtime run and stay constant during whole period of simulation

  • Simulation interval – 24 hours in advance from actual time

  • User can view ALL calculated values ONLY in SIMONE GUI


Simone status export to nm
SIMONE Status export to NM

  • Status information in the form of numerical variables after each state reconstruction run exported to NM

  • Special SPL program in NM analyses received values and updates corresponding data points in AVANTI database

  • Operators can view information on special picture

  • Calculated values are processed and, if appropriate, entered in event or alarm list


Simone and abb nm integration future
SIMONE and ABB NM Integration - Future

  • Load forecasting improvement

    • Forecasting of nontelemetered consumers – additional program for load forecasting

    • Integration of TeleReading system and using Load Forecast program for all consumers

    • Using own measurements of weather parameters

  • Redundancy support improvement – in progress

  • Export of Look-ahead simulation results in NM

  • Online “What-If” studies to support network operators

  • Improvement of Simone system status export in NM

  • Opimization when compressor station is installed.