Pelatihan ENGINEERING IN MINING – POWER SYSTEM PROTECTION

INTRODUCTION

Electrical power system operates at various voltage levels from 415 V to 400 KV or even more. Electrical apparatus used may be enclosed (e.g., motors) or placed in the open (e.g., transmission lines). All such equipment undergo abnormalities in their lifetime due to various reasons. To achieve safety of the system, electrical equipment has to be monitored to protect it and provide human safety under abnormal operating conditions.
This course is designed to help students to gain theoretical and applied understanding of power system protection, Protection schemes for various power system configurations, Fault current calculations, Protection of generators, transformers, transmission lines, bus bars and feeders. After completing this course, students will gain professional knowledge on the emerging issues and challenges in the power system protection field related to increasing penetrations of distributed generation and intelligent, self-healing networks.

WHO SHOULD ATTEND THIS TRAINING?

• Electrical  Engineers
• Instrumentation Engineers
• Electricians
• Maintenance Engineers
• Supervisors
• Technicians
• Maintenance technicians
• Plant Engineers
• Design Engineers
• Project and/or Construction Engineer

TRAINING MATERIAL OUTLINE

1. PROTECTION FUNDAMENTALS

• Power system protection
• Protection philosophy
• Protection system components

2. CALCULATION FAULT CURRENTS

• Possible faults
• Magnitudes of fault currents
• Per unit impedance in fault calculations
• Calculation of short circuit
• Calculations using impedance

3. EARTHING AND ITS RELEVANCE TO PROTECTION

• Type of system and earthing fault magnitude
• Effects of electricity on humans
• Electric shock modes of contact
• Earth loop resistance and protection

4. PROTECTIVE DEVICES AND COORDINATION

• Protection approach
• Fuses types
• Fuse application
• Digital protection features
• Typical modern relays
• Extended protection

5. CIRCUIT BREAKERS

• Purpose of circuit breakers
• Types of circuit breakers
• Battery construction

6. INSTRUMENT TRANSFORMER

• Theory of Operation
• Voltage Transformer
• Current Transformer
• CT magnetizing curve
• Polarity

7. RELAY TYPES

• Two basic protection types
• Operation of IDMTL relay
• Current setting IDMTL relay
• Time multiplier setting
• Different operating curves
• Intelligent electronic devices

8. PROTECTION COORDINATION

• Basic principle
• Time and current coordination
• Characteristics of IDMT relay
• Ideal coordination of setting curves

9. FEEDER PROTECTION

• Unit Protection
• Advantages of unit protection
• Feeder protection
• 3 phase over current and earth fault
• Directional protection

10. TYPICAL PROTECTION IN COLLIERY

• Ground leakage protection
• Ground leakage sensitivities
• Pilot wire monitor
• Earth fault lockout
• NER monitor

11. NEED TO PROTECT BUSBARS

• Protection
• Frame leakage BB protection
• Busbar blocking scheme
• Zone selective interlocking scheme
• Optical sensing

12. TRANSFORMER PROTECTION

• Inter Turn and Core faults
• Delta star transformer
• Transformer earth fault current
• Resistance earth neutral
• Earth fault protection
• Buchholz protection

13. ELECTRIC MOTORS

• Failure breakup
• Protection needed by AC motors
• Protection of motors
• Most important failure windings

14. THERMAL MODE OF MOTORS

• Steady state temperature
• Temperature rise multiple starts
• Effect of unbalanced current
• Hot and cold condition
• Starting problems
• Relay providing protection

15. SHORT CIRCUIT PROTECTION

• Earth fault LV
• Earth fault HV- Low resistance earthing
• Earth fault HV- High resistance earthing
• Negative sequence protection
• Temperature based protection
• Other protection

16. GENERATOR PROTECTION

• Small and medium sized Industrial generators
• Generators- Electrical fault
• Generators- Mechanical faults
• Earth fault protection
• Overload protection
• Overcurrent protection

17. GENERATOR UNBALANCE PROTECTION

• Rotor fault protection
• Change of field distribution
• Field failure
• Out of synchronization

18. PRODUCTION MANAGEMENT

• Typical generator protection
• Functions of maintenance
• Issues of maintenance
• Configuration records

VENUE :  Yogyakarta (Ibis Styles Hotel/ Ibis Malioboro Hotel/ Jambuluwuk Hotel/ Cavinton Hotel/ Grand Zuri Hotel, dll)

TRAINING DURATION :  4 days

INVESTMENT PRICE/PERSON

1. Rp. 8.500.000/person (full fare) or
2. Rp. 8.250.000/person (early bird, payment 1 week before training) or
3. Rp. 7.950.000/person (if there are 3 persons or more from the same company)

FACILITIES FOR PARTICIPANTS

1. Modul Pelatihan
2. Sertifikat Pelatihan/Attendance
3. Instruktur Qualified
4. Notebook & Ballpoint
5. T-Shirt
6. Goody Bag
7. Dokumentasi Pelatihan
8. Ruang Pelatihan (Full AC & Multimedia)
9. Makan Siang & 2x Coffee Break

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