Power Systems Fault Analysis and Protection – PASTI JALAN

Power Systems Fault Analysis and Protection
Dafam Fortuna Hotel, Yogyakarta | 14 – 17 September 2015 | IDR 7,000,000

DESCRIPTION

The addition of new power system facilities, e.g., power plants, lines, new loads, etc. complicate the power network. Faults occur frequently in all parts of the system. As producers and users of Electrical Energy, you must increase your awareness of present and future power system protection. System integrity depends on a well conceived and properly implemented protection philosophy. It is important to learn how to design a system where equipment or line removal and system restoration occur quickly and reliably. To do this, it is essential to understand how present mechanical and microprocessor-based relaying systems function, how they communicate, how their performance can be analyzed and what are the future challenges. Protection system’s main function is to clear faults from the power system in high speed to: enhance people’s safety and minimize equipment damage and maintain power system stability. Protection of power systems requires an understanding of system faults and their detection, and the safe isolation of the faulted device from the system. This course covers the analysis of power system faults for small and large scale systems. This will be followed by the basic protection functions and their applications to the protection of all elements of power systems. The course emphasizes advanced protection schemes required for practical systems experienced in industrial plants, distribution, transmission and generation systems.

WHO SHOULD ATTEND

The course is designed for the power systems engineers responsible for the operation, control and protection of distribution, transmission and generation systems. It is also targeting consulting and manufacturing engineers, engineers in industrial plants, etc.

POWER SYSTEMS SUMMARY OUTLINE

Day 1

1. INTRODUCTION AND COURSE OUTLINE
2. POWER SYSTEM COMPONENTS MODELING :
   

• Generators/motors, Transformers, Transmission lines
• Examples

3. SYMMETRICAL FAULTS

• Three-phase short circuit, Fault currents using Zbus
•  The selection of circuit breakers
• Practical examples

4. SYMMETRICAL COMPONENTS

•  Sequence components and networks
•  Practical examples

5. UNSYMMETRICAL FAULTS

• Single-line-to ground, Line-to-line, and Double-line-to ground faults, and  Open conductor
•  Practical examples

6. PROTECTIVE DEVICES CHRACTERISTICS

• Fuses, and Fuse coordination and selection
• Practical examples on fuses selection and coordination
• Transformer fusing
• Automatic circuit reclosers
• Reclosers ratings and control
• Examples on reclosers coordination
• Relays: Electromechanical, Solid state, and Microprocessor-based relays
• OC relays and exercises
• Examples on relays coordination

7. TRANSFORMER PROTECTION

• Factors affecting transformer protection
• Magnetizing inrush current
•  Magnetizing inrush current harmonics
•  Sympathetic inrush current
• Protection against incipient faults
•  Differential protection of ? / transformers
•  Differential protection of multi-winding transformers
• Gas detection
• Sudden pressure
• Transformer overcurrent protection
•  Principles of differential protection
• Examples and practical systems

8. GENERATOR PROTECTION

• Generators internal faults
•  System disturbances and operational hazards
•  Typical protection of direct connected generators
•  Connection of generator protection
• Turn to turn fault protection
•  Practical examples
• Back up protection
• Ground fault protection
•  Rotor protection
• Loss of citation protection
•  Examples

9. MOTOR PROTECTION

•  Potential motor hazards
• Motor characteristics involved in protection
•  Induction motor equivalent circuit
•  General motor protection
• Phase-fault protection
• Differential protection
• Ground-fault protection
• Thermal and locked-rotor protection
• Locked-rotor protection for large motors (21)
•  System unbalance and motors
• Unbalance and phase rotation protection
• Undervoltage protection
•  Bus transfer and reclosing
•  Repetitive starts and jogging protection
• Multifunction microprocessor motor protection units
•  Synchronous motor protection
•  Summary: typical protection for motors
•  Practical considerations of motor protection
• Examples

10. PROTECTION OF RADIAL FEEDERS

• Coordination of protective devices
•  Radial line protection strategy
•  Clearing temporary faults
• Clearing permanent faults
•  Recloser-fuse coordination
•  OC relays coordination
•  Phase and ground relays
•  Procedure for instantaneous relay setting
•  Examples and exercises

11. TRANSMISSION LINE PROTECTION

• Over current protection
• OC protection of radial lines, loop with one source, and of multiple loop systems
• Examples and exercises

12. DISTANCE PROTECTION OF TRANSMISSION LINES

• How V/I=Z makes a distance relay
• Distance relay characteristics
• Protection zones of distance relays
•  Practical examples and exercises

13. PILOT PROTECTION SYSTEMS

•  Principles and applications
•  Pilot protection systems
• General concepts of pilot communication
•  Unit protection pilot schemes
• Single phase comparison blocking
•  Dual phase comparison unblocking
• Examples and exercises

14. BUS PROTECTION

• Bus faults
• Bus protection requirement
•  Bus differential protection for different bus arrangements
•  Examples

15. SYSTEM STABILITY AND OUT OF STEP RELAYING

• Steady state stability
• Transient stability
• Equal area criterion
•  Relay operation and transient stability condition
•  Impedance measured by relays during power swing
•  Out of step detection by distance relays
• Synchrophasors based out of step relays
•  Examples

COURSE SUMMARY, FEEDBACK AND EVALUATION.

COURSE SPEAKER

Teguh Santoso, Ir
Teguh Santoso experienced more than 26 years in Electrical.

COURSE METHODE

• Presentation
• Discuss
• Case Study
• Evaluation
• Simulation

TIME & VENUE

• Dafam fortuna Hotel, Yogyakarta
• 20 – 23 January 2015
• 16 – 19 Maret 2015
• 08 – 11 Juni 2015
• 18 – 21 Agustus 2015
• 14 – 17 September 2015
• 4 days – 08 am – 04 pm

COURSE FEE

IDR 7.000,000.00 per participant non residential

FACILITY

• Module / Handout
• Certificate
• Souvenir
• Training Kit

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