Mine Electrical Technology
Teacher
Surya Narayan Sahu
Category
Core Courses
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Course Name : Mine Electrical Technology
Code(Credit) : CUTM1912(2-1-0)
Course Objectives
- Indian Electricity rules applicable to Mining.
- Electrical equipment being used in mines like cable, Transformers.
- Mine Communication, and Protective System
- Required Mine miscellaneous topics.
Learning Outcomes
- Gain Electrical knowledge required in mining operations.
- Can cope up the equipment and system established in mining operations?
- Understand Mine Communication system, Safety Apparatus and other special topics.
Course Syllabus
MODULE I
Introduction(6hrs.)
Scope and importance of electrical engineering in mining, Role of electrical engineer in mining. Indian Electricity Rules Applicable to Mining.
MODULE II
Electrical cables for Mining use (6hrs.)
Classify cables for mining use. Constructional features of high tension and low-tension cables armored & trailing cables. State size of cables & their use. State procedures of cable laying at surface, underground roadway & in shafts. describe cable joint box mining type.
Practice:
Identify the different part of given cable and find fault on the cable.
MODULE :III
Protective Systems(6hrs.)
Fuses: Fuses, Rewireable Fuses and HRC Fuse, Circuit Breakers: Minimum Oil Circuit Breaker, Vacuum Circuit Breaker, SF6 circuit breaker. Essential qualities of good protective system.
Relays: Types of Relays, Latching relay, frequency relay, overload relay.
Practice:
Study of Relays: Buchholz relay and Overcurrent relay.
MODULE IV
Typical Power equipment in mines(6hrs)
Power distribution in mines, Surface and Underground power distribution in mines, Main Lighting equipment, Surface auxiliaries, Fundamentals of Transformers (without numerical)
MOUDLE V
Mine Communication(6hrs)
Principles of underground signaling systems, Wire system communication, Wireless communication system - RFID, Trapped Miner communication, Shaft Communication system.
Use of Megger check the continuity of windings, body to winding, body to earth of an 3-Phase induction Motor.
Module VI
Miscellaneous topics(6 hrs)
Electrical Braking system, Intrinsic safe apparatus and Flame Proof apparatus. Electrical drives, advantages of electric drives.
Text Books
Basic Electrical Technology by BL Thereja
Electrical Engineering in Mines by Nil K Dutta
References
Mine Power Systems Vol 1 Lloyd A. Morley
Session 1
Session Plan
Introduction of the Electricity Law; Constitutional Design; Brief Description of Pre-2003 Act and Post - 2003 Act
Session 2
Introduction to Indian Power Sector
Session 3
Scope and importance of electrical engineering in mining,
Session 4
Role of electrical engineer in mining
Session 5
Indian Electricity Rules Applicable to Mining
Session 6
Renewable Energy and 2003 Act including Renewable Purchase Obligations; Net and Gross Metering.
Session 7
Classify cables for mining use.
Session 8,9
Constructional features of high tension and low - tension cables armored & trailing cables.
Session 10,11
State size of cables & their use. State procedures of cable laying at surface, underground roadway & in shafts. Describe cable joint box mining type.
Session 12
Practice: Identify the different part of given cable and find fault on the cable.
Session 13
Fuses:
Fuses, Rewireable Fuses and HRC Fuse
Session 14,15
Circuit Breakers:
Minimum Oil Circuit Breaker, Vacuum Circuit Breaker, SF6 circuit breaker. Essential qualities of good protective system.
Session 16,17
Relays: Types of Relays, Latching relay, frequency relay, overload relay.
Session 18
Practice:
Study of Relays: Buchholz relay and Overcurrent relay.
Session 19
Power distribution in mines
Session 20
Surface and Underground power distribution in mines,
Session 21, 22
Main Lighting equipment, Surface auxiliaries
Session 23,24
Fundamentals of Transformers (without numerical)
Session 25,26,27
Principles of underground signaling systems, Wire system communication, Wireless communication system-RFID, Trapped Miner communication, Shaft Communication system.
Session 28,29,30
Use of Megger check the continuity of windings, body to winding, body to earth of an 3-Phaseinduction Motor
Session 34,35,36
Electrical drives, advantages of electric drives.
Session 31,32,33
Electrical Braking system, Intrinsic safe apparatus and Flame Proof apparatus.
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