Which type of substation would be strategically installed on a high-voltage transmission line to improve network reliability by isolating faults without changing voltage levels?
Switching substation
In the given question, we are asked to identify which type of substation is installed on a high-voltage transmission line to improve network reliability by isolating faults without changing voltage levels.
The correct answer is the Switching Substation. Let's explore the reasoning behind this:
- Switching Substation: This type of substation is used to switch power lines. It connects or disconnects different parts of the network without changing the voltage levels. Its primary function is to enhance the reliability of the electrical network by isolating faults swiftly and efficiently. This prevents the spread of the fault across the network and helps in maintaining a stable supply.
- Step-up Transformer Substation: This substation is utilized to increase the voltage level from generators (where voltage levels tend to be lower) to high transmission levels for efficient long-distance power transmission.
- Step-down Transformer Substation: This substation decreases voltage levels from high transmission voltages to lower levels suitable for distribution to end-users.
- Traction Substation: This is used to supply power to electric railways and is specialized for traction load requirements.
As per the question's requirement, since the task is to isolate faults without altering voltage levels, the Switching Substation is the most appropriate and strategically beneficial choice.
Similar Questions
In which situation is DC transmission preferred over AC transmission in power networks?
What is the purpose of the Cable Sheath Continuity Test in underground cables?
Which of the following methods is used to detect an oil leak in an underground oil filled cable joint without excavation?
While repairing overhead transmission lines, which type of wire joint is most suitable for joining two stranded conductors with high current carrying requirements?
Which of the following equipment provides surge protection in substations?
Choose the correct sequence for erecting an overhead transmission line.
1. Foundation work
2. Tower erection
3. Conductor stringing
4. Insulator installation
Which of the following steps helps prevent void formation during epoxy resin casting in underground cable joints?
What is the purpose of a pre-molded joint in underground cables?
A technician is using the Murray loop test to locate a ground fault in a two-core cable. Which essential component must be connected to complete the test setup?
Important Questions from Transmission and Distribution
For household wiring and small units, the following should be used as a safety measure:
The minimum clearance distance that equipment should be kept away from 50 kV power lines is:
What is the purpose of a lighting arrester connected between the line and earth in a power S/M?
From the given options, identify the type of lug used for connecting an aluminum cable to a copper bus bar.
What is the color of neutral in three core flexible cables?
