CIL NON-EXE TO EXE ELECTRICAL & MECHANICAL NOTES
1. Fundamental of Electrical Engineering
→ Basic Laws of Electrical Engineering (Ohm's Law).
→ Basic Unit of Electrical Engineering (Volt, Amp, Watt, Kwh, Ohm, Farad).
→ Measurement of Voltage, Current, Power, Energy and Measuring Tools for the same.
→ Electrical Symbols and Plan under Mines Act.
2. Transformers
→ Basic Principle
→ Components
→ Types and Application
→ Transformer Losses
→ Cooling Types and Efficiency
→ FLP Transwithces
→ Transformer Protections
3. Generators / Motors
→ Induction Motors
→ Squirrel Cage Induction Motor
→ Slip Ring Induction Motor
→ Motor Starters
→ Speed Control of Motors and Suitable
Application of Motors
→ Induction Motors
→ Troubleshooting and Maintenance of Motors
4. Cables
→ Construction of Armoured and Flexible Trailing
Cables and Its Application in Underground and
OC Mines
→ Cable Jointing
→ Selection of Cables
5. Transmission & Distributing (up to HT i.e. 33 KV)
→ Conductor Type
→ Various Types of Poles
→ Earthing of Overhead Lines
→ Insulators
→ Lightning Arrestors
→ Maintenance of Overhead Lines
6. Electrical Earthing
→ Earthing System
→ Earth Electrodes
→ Earthing of Appliances
→ Measurement of Earth Resistance
7. Protective Device & Protection
→ Fuses (Rewirable, HRC)
→ Circuit Breakers
→ (MCCB, MCB, ACB, VCB, SF6) and Relays
→ Underground Gate-End —Box
→ FLP Circuit Breaker
→ Field Switches
→ Unitized Substation for OCPs
→ Over Load
→ Earth Leakage
→ Short Circuit and Under Voltage Protection
8. Illumination System
→ Type of Lamps
→ Underground Lighting System
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