Power Management for Industrial Plants.

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Power Management for Industrial Plants.

• IndustrialIT forPower EMS

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IndustrialIT for Power EMS

• Electrical Process
• System configuration
• Functionality Power EMS
• References
• Benefits

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Why Power EMS?
Critical LoadsLimited In-plant
GenerationInsufficient reliability of Public Grid
Several GeneratorsContracted Power Importation
Different Electrical Operational Configurations
possible
Complex Distribution NetworksLocal only
Control facilities
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Why ABB Power EMS?

• Deep knowledge of the electrical process
• 15 years experience in Power EMS in many
  projects(green-field and running plants)
• Standard software, well documented, tested,
  proven technology
• Fast Response Time for Load Shedding, Mode
  Control, Power Control, Re-acceleration
• High Resolution and Accuracy of Sequence of
  Event recording
• Comply to class 3 EMC immunity
• Single responsibility One supplier for Power EMS
  integrated with protection, governor, excitation,
  tapchanger, Motor Control Centre, Variable Speed
  Drive, etc.

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Typical Electrical Network of Industries
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Power EMS System Overview
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Functionality Power EMS

• Load Shedding
• Active and Reactive Power Control
• Supervision, Control and Data Acquisition (SCADA)
• Mode Control
• Re-Acceleration / Re-Starting
• Synchronisation

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Functionality Power EMS

• Load Shedding

Without Load Shedding
With Load Shedding
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Load Shedding The types

• Fast Load Shedding on Loss of Power Resources
• Load Shedding on Frequency Drop
• Slow Load Shedding on Overload
• Slow Load Shedding for Peak Shaving
• Manual Load Shedding

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Power EMS Load Shedding Keywords

• Fast
• Exact
• Flexible
• Co-ordinated
• Deterministic
• Security and Reliability
• Accurate Event Logging
• Operator Guidance
• Independent Back-up System

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Display Load Shedding Control
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Display Load Shedding Islands
ABB
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Display Load Shedding Overview
ABB
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Display Generator Capability Diagram
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Display Calculated Control Margins
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Active and Reactive Power Control

• Active Power Sharing
• Efficient Power Generation
• Power Exchange optimization (Power Demand
  Control)
• Avoid component overloading
• Spinning reserve optimization
• Standby optimization
• Reactive Power Sharing
• Achieve stable operation
• Power Factor optimization

P
Q-Lag
Q-Lead
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Display Generator Capability Diagram
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Display Grid Capability Diagram
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Display Maximum Demand Monitoring
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Display Monitoring Tie-line
ABB
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Display Mark V Vibration
ABB
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Display Mark V Gas Turbine Generator Overview
ABB
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Mode Control

• for Generators

• for Turbines

• for Transformers

• for Switchboards

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ABB
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Supervision, Control and Data Acquisition

• Clearly Structured Presentation
• Controls - Select Before Execute
• Status Indications
• Consistency Analysis
• Time Tagged Events (1 ms resolution)
• Alarmhandling, Reports, Trends
• Supervision and Self Diagnostics
• Single Window concept

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Integration with supervisory systems

• Plant Information Systems - MIS
• Regional Dispatch Centres
• Power Generation Co-ordination Centres
• Energy Trading
• Utility Management Systems
• Process DCS

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Integration with subordinated systems

• Satellite Time Receiver (GPS)
• Alarm annunciators
• SF-6 Density Monitoring Units
• Motor Control Centres
• Battery Chargers
• Meteorological Stations
• Diesel Generators
• Generator- and turbine controller
• Protection and Control Units

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Integrated Protection Control Units

• Protection

• Measuring of U,I,E, calculation of P Q

• Monitoring Control

• Interlockings

• Alarm annunciation

• Event Time Tagging

• Disturbance Recording

• Local storage of trip-events

• Serial communication to Power EMS

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Re-Starting

• Triggered by Load Shedding or Undervoltage
• Individual motors
• Priority per motor
• Max. allowed time delay per motor
• Network configuration check
• Network restoration

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Synchronisation

• Automatic Synchronisation after boiler trip
• Automatic Synchronisation initiated by operator
• Semi Automatic Synchronisation
• Manual Synchronisation

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Display Synchronisation
ABB
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Display Synchronisation
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Functionality Power EMS

• Load Shedding
• Active and Reactive Power Control
• Mode Control
• Supervision, Control and Data Acquisition (SCADA)
• Re-Starting
• Synchronisation
• Circuitbreaker Control
• Transformer Control
• Motor Control
• Generator Control
• Network Configuration Determination

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References

• HAR, refinery in Greece
• Shell Pernis refinery in the Netherlands
• Shell BLNG in Brunei
• Shell PDO in Oman
• Hoogovens, steel-industry in the Netherlands
• ThaiOil, ThaiLube, RRC refineries in Thailand
• La Roche, CHP in UK
• Petrobras REPAR, REDUC, RLAM refineries in
  Brazil
• Reliance Hazira, Jamnagar Haldia refineries in
  India
• AFPC, Omar refinery in Syria
• MLNG Satu, Dua Tiga in Malaysia
• StatOil Gullfaks BP Amoco Valhall in Norway

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And thus ABB Power EMS helps you to

• Avoiding black-outs (up to 500 kUSD / hour)

• Power Control including voltage control,
  frequency control, sharing power among generators
  and tie-line(s).

• High Speed Consistency Load Shedding (lt 100 ms.)

• Decreasing electricity costs

• Peak-shaving

• Re-active Power Control Sharing

• Minimizing operational costs

• Decreased number of operators

• Event driven maintenance

• Single Window concept

• Lower investment costs

The total accumulated switched-off shortcurrents
by a circuitbreaker or the number of generator
starts are a trigger for maintenance
No need for big oversizing of primary equipment
In case of a shortage of electrical power, secure
the available power to critical loads by
switching off the none important loads according
to dynamic load tables
Optimizing the stability of the operation of the
electrical generation- and distribution network
of an industry
Limiting electrical import during peak time and
decreasing peak base charge
Maintaining a good Power Factor
The Human Machine Interfaces for all the
electrical sub-systems can be integrated in the
Energy Management System
Serial interfaces with protection control units
avoid spaghetti wiring cable ducts
Power Control, Standby Optimization, n1
Criteria, SCADA, etc. are performed by the system
and not anymore by the operators

• Minimized cabling and engineerings

• Optimised network design