Table of Contents
What are the types of equipment in a switchyard?
The following equipment are installed in distribution substations:
- Distribution Transformer.
- Circuit breaker.
- Lightning Arrester.
- Air Break (AB) switches / Isolator.
- Insulator.
- Busbar.
- Capacitor Bank.
- Earthing.
What equipment is in a substation?
Transmission Substation. A transmission substation usually has transformers between the voltages, capacitors, reactors and other equipment that can manage power flow between systems easily. These can also be simple or complex depending on the voltage level.
What are the three main parts of a substation?
There are three main types of substation: transmission, distribution, and collector.
- Transmission. A transmission substation connects transmission lines, generally when all the lines concerned have the same level of voltage.
- Distribution.
- Collector.
What is inside a mini substation?
Miniature substations generally consist of a steel enclosure housing an MV ring main switch, a step-down transformer with ratios typically 33000/420V, 22 000/420V or 11 000/420V and a low voltage distribution compartment.
What is a utility switchyard?
Illustrated Glossary » Substations A substation is a high-voltage electric system facility. It is used to switch generators, equipment, and circuits or lines in and out of a system.
What is miniature substation?
What is a mini substation used for?
As mentioned, miniature substations are used to step down high voltages to distribution levels for electrical distribution. But they can be used to step up (increase) low voltages as well for transmission levels.
Is a switchyard and substation?
A switchyard or substation is an assembly of apparatus which transforms the characteristics of electrical energy from one place to another and controls the flow of power. Switchyard controls the exchange of electrical energy.
Why is substation needed?
To step up or step down AC voltage using transformer(s) Voltages at the distribution end need to be stepped down for utilization by customers. Substations provide the necessary real-estate to install a transformer for power transmission and distribution.
What is switchyard and its types?
The Substations are mainly used to convert AC (alternating current) to DC (direct current). Some types of substations are tiny in size with an inbuilt transformer as well as related switches. Other types of substations are very huge with different types of transformers, equipment, circuit breakers, and switches.