POWER SYSTEM IN OIL AND GAS INDUSTRY

 Memberikan gambaran peran penting sistem
ketenagalistrikan dalam industri minyak dan gas
bumi
 Memberikan contoh aplikasi dan kemajuan
teknologi sistem tenaga listrik dalam industri
minyak dan gas bumi
 Memotivasi peserta akan tantangan teknologi sistem
tenaga listrik dalam industri minyak dan gas bumi di
masa yang akan datang
BIG PICTURE
BUSINESS FLOW
WELL
CUSTOMER
C/O PROCESSING
& STORAGE
TRANSPORT
TO CUSTOMER
C/O
TRANSPORT
REFINERY/PETROC
HEMICAL
Power System Function
Provide electrical energy to equipments
What Equipments
Oil Well
Pump, valve (DC motor, solenoid, etc), air
compressor, instrumentation, utility
Crude Oil Processing
Oil pump, water pump, heater, control valve,
instrumentation, gas compressor, air
compressor
Crude Oil Storage
Oil Heater, instrumentation, utility
load, pump, etc
Refinery
Pump (oil, water, steam, dosing), heater, control
valve, instrumentation, control system, utility
equipment, air compressor, etc
Power System Component
 Power Generation
 Distribution Network
 Control and Monitoring
 Data Acquisition/
Management System
Power Generation
Components:
• Engine/ Turbine and the accessories (Inlet
Filter, L/O System, Fuel System, Hydraulic
System, Exhaust System, Cooling System)
• MCC and Power Distribution
• Electrical Protection System (Generator,
Feeder, Motor)
• UPS : AC and DC
• Control & Monitoring
Power Generation
(Cont’d)
Design Consideration:
• Type of Engine : Reciprocating/Turbine
(heavy duty/ Aeroderivative)
• Capacity
• Fuel : Diesel/Gas
• Operation Mode : Island/ Synchron/ Stdby
• Safety level  control system
• Environment  Corrosion Protection
Distribution Network
Components:
• Switchgear (CB), MCC, Dist. Board
• Protection System (Feeder Prot, Motor
Protection)
• Metering  A, V, Hz, kW, kVAR, kWh, kVARh
• Monitoring  Feeder Status, Fault, Power
• UPS
• Power Cable
Quality, etc
Distribution Network
(Cont’d)
Design Consideration
 Type : Radial/ Ring, Single/Double Bus
 Protection Coordination
 SC Capability
 Control  Manual/Auto, local/remote, interlocking
 Power Quality: Voltage drop, harmonic, etc
 Personal Safety Arc Flash
 Environment  IP Level
Control & Monitoring
 Embedded in every component of Power System
 Components:
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Controller: PLC, DCS, Smart Relay
Sensor and Transducer
Metering (Electrical and mechanical)
HMI
Data Acquisition &
Management System
Purposes:
 Comprehensive and Quick reporting
 Enhanced Troubleshooting and system improvement
 Eliminate distance factor  real time monitoring
 Save energy cost while improving reliability, efficiency,
safety, quality
Power System Engineering
- Datasheet
- PnID
- PFD
- SLD
Study and
Calculation
Design
Criteria
- Schematic
- MTO
Design Criteria
 Design life
 Environment: altitude, eartquake zone, hazard area

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classification
System capacity
System Voltage
Voltage drop
Grounding : System, Equipment, and lightning
Short Circuit Capability
Design Criteria…(cont’d)
 Protection and Metering system
 Emergency/ UPS : AC and DC
 Control philosophy: CB control, Tripping,
Interlocking, Operational mode,
Electrical Study
 Short Circuit Study
 Load calculation
 Switchgear and CB SC Capacity
 Transformer, CB, Busbar sizing
 Load Flow Study
 Voltage drop calculation  Cable Sizing
 Transient Study
 Battery and Charger Sizing
 Grounding Calculation
 Protection Coordination
Process Flow Diagram (PFD)
Example
PFD Gas Extraction
Single Line Diagram (SLD)
Example
SLD GTG, Protection SLD
Piping and Instrument Diagram
(PnID)
Example
PnID Gas Comp
Schematic Diagram
Example
Schematic GCP