What does a transformer do in substation?
The transformer is the heart of the substation. The transformer changes the relationship between the incoming voltage and current and the outgoing voltage and current. Substation transformers are rated by their primary and secondary voltage relationship and their power carrying capability.
How many transformers are in a substation?
A transformer substation usually has one or two power transformers, distribution equipment, control and protective devices, and auxiliary equipment.
What are the three types of substations?
Types of Sub Stations
- Step-up Type Substation. This type of substation gets the power supply from a near producing facility.
- Customer Substation.
- System Stations.
- Distribution Type Substation.
- Step-down Type Substation.
- Underground Distribution Substation.
- Switchyard.
- 11kv Substation.
Why is it called a substation?
Actually, the name came before the electrical system was a grid. These substations were smaller plants that were no longer being used because of the construction of larger generation plants. They received their energy from these larger plants and then distributed; thus the name “substation”.
What is the difference between a substation and a transformer?
A transformer is an electrical machine which either steps up, or steps down, voltage. A substation is a location where transformation and/or switching takes place. In its simplest form, a substation can be a pole- or pad-mounted transformer, together with its protective equipment (hv and lv fuses).
Do all substations have transformers?
The downtown areas of large cities feature complicated distribution substations, with high-voltage switching, and switching and backup systems on the low-voltage side. More typical distribution substations have a switch, one transformer, and minimal facilities on the low-voltage side.
How many types of transformer are there?
There are three primary types of voltage transformers (VT): electromagnetic, capacitor, and optical. The electromagnetic voltage transformer is a wire-wound transformer.
What are the different types of transformer substation?
Transformer substations are the key element of any electrical power system, and these are the heart of the transmission network. It can mainly be classified into four sections such as Step up substation, Primary grid substation, secondary substation and distribution substation.
Can you build next to a substation?
If you are building near an overhead line, you must preserve the voltage safety clearance distances, both for the finished development and during construction (e.g. for scaffolding or cranes). If the development is near a substation you must be very careful about buried cables.
What is the main purpose of a substation?
The purpose of a substation is to ‘step down’ high voltage electricity from the transmission system to lower voltage electricity so it can be easily supplied to homes and businesses through our distribution lines.