POWER SYSTEMS FAULT ANALYSIS AND PROTECTION TRAINING

TRAINING POWER SYSTEMS FAULT ANALYSIS AND PROTECTION

OVERVIEW

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.

Upon successful completion of the course, attendees will be able to:

  • Have a background on how to design protection systems for power system elements
  • Optimize protection zones and complete understanding of system performance under emergency (faults) conditions.

In summary, at the end of the course, the attendee will have a solid background in protection concepts to apply them to power system elements. They will also be exposed to the state of the art in microprocessor-based protection.

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 manufac- turing engineers, engineers in industrial plants, etc.

COURSE OUTLINE

  • INTRODUCTION AND COURSE OUTLINE
  • POWER SYSTEM COMPONENTS MODELING

(i)         Generators/motors, Transformers, Transmission lines

(ii)        Examples

  • SYMMETRICAL FAULTS

(i)         Three-phase short circuit, Fault currents using Zbus

(ii)        The selection of circuit breakers

(iii)       Practical examples

  • SYMMETRICAL COMPONENTS

(i)         Sequence components and networks

(ii)        Practical examples

 

  • UNSYMMETRICAL FAULTS

(i)         Single-line-to ground, Line-to-line, and Double-line-to ground

faults, and Open conductor

(ii)        Practical examples

  • PROTECTIVE DEVICES CHRACTERISTICS

(i)         Fuses, and Fuse coordination and selection

(ii)        Practical examples on fuses selection and coordination

(iii)       Transformer fusing

(iv)       Automatic circuit reclosers

(v)        Reclosers ratings and control

(vi)       Examples on reclosers coordination

(vii)      Relays: Electromechanical, Solid state, and

Microprocessor-based relays

(viii)      OC relays and exercises

(ix)       Examples on relays coordination

 

  • TRANSFORMER PROTECTION

(i)         Factors affecting transformer protection

(ii)        Magnetizing inrush current

(iii)       Magnetizing inrush current harmonics

(iv)       Sympathetic inrush current

(v)        Protection against incipient faults

(vi)       Differential protection of ∆ /   transformers

(vii)      Differential protection of multi-winding transformers

(viii)      Gas detection

(ix)       Sudden pressure

(x)       Transformer overcurrent protection

(xi)       Principles of differential protection

(xii)      Examples and practical systems

  • GENERATOR PROTECTION

(i)         Generators internal faults

(ii)        System disturbances and operational hazards

(iii)       Typical protection of direct connected generators

(iv)       Connection of generator protection

(v)        Turn to turn fault protection

(vi)       Practical examples

(vii)      Back up protection

(viii)      Ground fault protection

(ix)       Rotor protection

(x)       Loss of citation protection

(xi)       Examples

  • MOTOR PROTECTION

(i)         Potential motor hazards

(ii)        Motor characteristics involved in protection

(iii)       Induction motor equivalent circuit

(iv)       General motor protection

(v)        Phase-fault protection

(vi)       Differential protection

(vii)      Ground-fault protection

(viii)      Thermal and locked-rotor protection

(ix)       Locked-rotor protection for large motors (21)

(x)       System unbalance and motors

(xi)       Unbalance and phase rotation protection

(xii)      Undervoltage protection

(xiii)     Bus transfer and reclosing

(xiv)     Repetitive starts and jogging protection

(xv)      Multifunction microprocessor motor protection units

(xvi)     Synchronous motor protection

(xvii)    Summary: typical protection for motors

(xviii) Practical considerations of motor protection

(xix)     Examples

 

  • PROTECTION OF RADIAL FEEDERS

(i)         Coordination of protective devices

(ii)        Radial line protection strategy

(iii)         Clearing temporary faults

(iv)       Clearing permanent faults

(v)        Recloser-fuse coordination

(vi)       OC relays coordination

(vii)      Phase and ground relays

(viii)      Procedure for instantaneous relay setting

(ix)       Examples and exercises

  • TRANSMISSION LINE PROTECTION

(i)         Over current protection

(ii)        OC protection of radial lines, loop with one source, and of

multiple loop systems

(iii)       Examples and exercises

  • DISTANCE PROTECTION OF TRANSMISSION LINES

(i)         How V/I=Z makes a distance relay

(ii)        Distance relay characteristics

(iii)       Protection zones of distance relays

(iv)       Practical examples and exercises

  • PILOT PROTECTION SYSTEMS

(i)         Principles and applications

(ii)        Pilot protection systems

(iii)       General concepts of pilot communication

(iv)       Unit protection pilot schemes

(v)        Single phase comparison blocking

(vi)       Dual phase comparison unblocking

(vii)      Examples and exercises

 

  • BUS PROTECTION

(i)         Bus faults

(ii)        Bus protection requirement

(iii)       Bus differential protection for different bus arrangements

(iv)       Examples

  • SYSTEM STABILITY AND OUT OF STEP RELAYING

(i)         Steady state stability

(ii)        Transient stability

(iii)       Equal area criterion

(iv)       Relay operation and transient stability condition

(v)        Impedance measured by relays during power swing

(vi)       Out of step detection by distance relays

(vii)      Synchrophasors based out of step relays

(viii)      Examples

  • COURSE SUMMARY, FEEDBACK AND EVALUATION.

 

Investasi dan Fasilitas Training

  • Harga : (dilampirkan dalam Brosur penawaran)
  • Fasilitas : Certificate, Training kits, USB 8 GB, Lunch, Coffe Break, Souvenir, City Tour
  • Untuk peserta luar kota disediakan transportasi antar-jemput dari Bandara/Stasiun ke Hotel (berlaku bagi perusahaan yang mengirimkan minimal 2 peserta)
  • Quota minimum Running 2 peserta ( jogja ), 3 Peserta ( Solo, Semarang) Quota minimum Running 3 peserta (Jakarta , Bandung dan Surabaya ) –  ( Untuk Manado, Bali , Batam, Pontianak, Balikpapan dan Lombok Quota minimal 4 peserta)

 

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