Students should conduct following activities (any two)

 Activity I: Report on Transmission Line Network in West Bengal

1. Title:

Study of Transmission Line Network in West Bengal

2. Introduction:

Provide a brief overview of the power transmission system in West Bengal, including key players like West Bengal State Electricity Transmission Company Limited (WBSETCL) and their roles.

3. Network Details:

• Voltage levels (400 kV, 220 kV, 132 kV, 66 kV lines)
• Major transmission substations
• Interconnections with national and regional grids

4. Challenges:

• Load management
• Power loss and voltage regulation issues

5. Conclusion:

Summarize the role of the transmission network in ensuring reliable power supply in the state.

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Activity II: Components of a Transmission Line

1. Title:

Components of a Power Transmission Line

2. Key Components:

1. Conductors:
   • Material: Aluminium, ACSR
   • Function: Transmitting electrical power
2. Insulators:
   • Types: Pin, suspension, and disc insulators
   • Material: Porcelain, glass
3. Towers and Poles:
   • Types: Lattice, steel poles
   • Function: Mechanical support
4. Substations:
   • Function: Voltage transformation and switching operations
5. Protection Equipment:
   • Circuit breakers, lightning arresters

3. Conclusion:

Understanding these components is crucial for maintaining efficient and reliable power transmission.

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Activity III: Evaluation of Transmission Line Performance Parameters

1. Title:

Evaluation of Performance Parameters of a Transmission Line

2. Parameters to Evaluate:

1. Resistance (R):
   • Contributes to power loss
2. Inductance (L):
   • Causes voltage drop
3. Capacitance (C):
   • Results in reactive power generation
4. Efficiency: $$\eta = \frac{\text{Output Power}}{\text{Input Power}} \times 100$$
5. Voltage Regulation: $$VR = \frac{V_{\text{no load}} - V_{\text{full load}}}{V_{\text{full load}}} \times 100$$

3. Observations:

Provide sample calculations and findings for a specific transmission line.

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Activity IV: Survey on HV and HVDC Transmission Lines

1. Title:

Library/Internet Survey of High Voltage and HVDC Transmission Lines

2. Information Collected:

1. HV Transmission Lines:
   • Voltage levels: 220 kV and above
   • Applications: Long-distance power delivery
2. HVDC Transmission Lines:
   • Advantages: Lower losses, stability over long distances
   • Examples in India: Mundra-Delhi HVDC line

3. Conclusion:

Discuss the growing importance of HVDC systems in modern power networks.

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Activity V: Substation Visit Report

1. Title:

Visit to Transmission/Distribution Substation

2. Objectives:

• To understand the components and functions of substations
• To observe power distribution operations

3. Observations:

• Substation Details: Location, capacity
• Components Observed:
  • Transformers
  • Circuit breakers
  • Control panels
• Protection Systems: Safety measures and automation features

4. Conclusion:

The visit provided practical insights into the operation and management of substations.