Table of Contents
Indoor Substations
Indoor substations are electrical substations that are installed within a building or an enclosed structure. These substations are typically used in urban areas where space is limited and environmental conditions need to be controlled.
Examples: A substation inside a factory or commercial complex, Substations located in sensitive environments like hospitals or data centers etc.
An indoor substation is a facility where all electrical equipment is installed within a building.
Outdoor Substations
Outdoor substations are electrical substations that are located in an open area and exposed to the natural environment. These substations are commonly used in rural or less densely populated areas where space is more readily available.
Examples: A power distribution substation in a rural area, Utility-Scale Power Generation Sites etc.
An outdoor substation is a facility where electrical equipment is installed outside in an open environment.
| Sr. No. | Outdoor Substation | Indoor Substation |
|---|---|---|
| 1. | The outdoor substations place outside the building. | Generally, the indoor substations place inside the building. |
| 2. | There is a large reduction of civil construction work. | Civil construction work requires a bit more. |
| 3. | The amount of space required is more. | The amount of space required is less. |
| 4. | Completion time will be reduced. | Completion time will be more. |
| 5. | It’s simple to find faults. | This operation is more difficult due to the enclosed equipment. |
| 6. | The cost of installing switch gear and equipment is less. | The cost of installing switch gear and equipment is higher. |
| 7. | Because there is more space, the possibility of accidents occurring is minimised. | Because of the limited space, there is a higher possibility of fault and accidents. |
| 8. | The amount of time required for erection is reduced. | The amount of time required for erection is much greater. |
| 9. | Substations located outdoors are not much safer. | Indoor substations are much safer than outdoor substations. |
| 10. | An example of an Outdoor type substation is the grid substation. | An example of an indoor type substation is a distribution substation. |
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