Question
Download Solution PDFIdentify the correct voltage range of medium transmission line.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 4.
Classification of transmission lines based on voltage levels
1.) Low Voltage (LV) Transmission Lines:
- Voltages: Typically up to 33 kV
- Commonly used for distribution purposes to supply power to residential, commercial, and industrial areas.
2.) Medium Voltage (MV) Transmission Lines:
- Voltages: Usually between 33 kV and 132 kV
- Used for both distribution and sub-transmission of electrical power.
3.) High Voltage (HV) Transmission Lines:
- Voltages: Typically between 132 kV and 230 kV
- Used for long-distance transmission of power and for interconnecting different regions or countries.
4.) Extra High Voltage (EHV) Transmission Lines:
- Voltages: Ranging from 230 kV to 765 kV
- Used for long-distance transmission and to connect major power grids.
5.) Ultra High Voltage (UHV) Transmission Lines:
- Voltages: Above 765 kV
- These are the highest voltage class transmission lines and are employed for very long-distance transmission of power, often across continents.
6.) HVDC (High Voltage Direct Current) Transmission:
- This is a specialized type of transmission that involves the use of direct current at high voltages for very long-distance power transmission. HVDC lines may have voltage levels in the hundreds of kilovolts.
Last updated on Jul 1, 2025
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