An industrial substation is a high voltage installation where electricity is distributed to factories and other large users. The substation transforms the high voltage from the transmission network into the lower voltages used by industry.
An industrial substation is a type of electrical substation that is used to provide power to an industrial park or complex. These substations are typically much larger than other types of substations and may be located some distance from the main power grid. The purpose of an industrial substation is to take the high-voltage electricity from the grid and transform it into lower voltages that can be used by the factories and other businesses in the area.
Industrial substations usually have multiple transformer units, each of which can convert the voltage from the grid down to a different level. This allows businesses to use whatever voltage they need, depending on their equipment and needs. The transformer units also help to protect businesses in case there is a problem with one of them – if one unit goes offline, the others can pick up the slack and keep things running smoothly.
Overall, industrial substations play a vital role in keeping factories and other businesses running smoothly and efficiently. Without them, many businesses would not be able to operate at all. If you’re looking for power solution for your business, an industrial substation may be the answer.
Diagram of 11kv/440v substation । Engineers CommonRoom
Types of Substation
There are many types of substations and the type used depends on the application. Some common types of substations include:
-Outdoor air-insulated substations (AIS)
-Indoor gas-insulated substations (GIS)
-Underground substations
-Pole mounted substations
-Pad mounted substations
An outdoor air insulated substation (AIS) is the most common type of substation. It uses air as an insulator between high voltage equipment and ground.
AIS typically have voltages ranging from 34.5 kV to 765 kV .
A gas insulated Substations(GIS) uses a sulfur hexafluoride or SF6gas as dielectric medium for insulation between live parts. This type of GIS is mostly used in urban areas due to its small footprint and minimal visual impact.
GIS can be used for voltages up to 1200 kV .
Underground Substations are typically used in city centers where space is limited. The cables and equipment are placed in a vault underground, which requires less space than an above ground AIS or GIS .
Pole mounted Substations are just that, they are mounted on poles. These are often found in rural areas along power lines where space is not an issue . Pad mounted Substations look like large metal cabinets that sit on concrete pads close to the ground.
They offer a compromise between aesthetics and cost when compared to other types of substation .
Distribution Substation
A distribution substation is a subsidiary station of an electric power system, generally located between the service drop and the customer’s premises, where voltage is transformed from higher to lower voltage. The installation generally includestransformers to change voltage levels, circuit breakers or fuses for system protection, busbars for routing power, and metering equipment. A typical residential distribution substation in North America has three phases at 120/240 volts with one to five distribution transformers feeding 100–1,200 houses.
In an urban area served by underground cables, a small cabinet may serve each city block; in a rural area served by overhead lines, a larger shed or even a non-building structure may house multiple units serving an entire neighborhood. The worlds largest outdoor distribution substation is saidto be located in New York Citys Queens borough.[1] Its facility occupies almost half (48 percent) of the block bounded by 21st Street, 24th Avenue, 23rd Road and Astoria Boulevard.
[2]
The first known use of the term “substation” was in 1886,[3][4] when it appeared in reference to inductors used to regulate current flow through arc lamps. It subsequently came into common usage as electrical engineers began applying it to switchgear assemblies consisting of switches and other devices intended for direct connection to transmission line conductors.
[5]
The term became more widely used as advances were made in transformer technology during the late 19th century that enabled economical interconnection of generation plants and load centers at different voltages.[6][7] Large scale integrationof renewable energy sources such as solar photovoltaicsand wind farmsinto existing electricity networks are being facilitated by development of new types of high-voltage direct current (HVDC) power electronic interfacesthat connect directly into alternating current (AC) systems without needing AC/DC conversion equipment at intermediate sites.
Industrial Substation Design
An industrial substation is a critical part of the electrical grid, providing power to factories, warehouses, and other commercial and industrial facilities. The design of an industrial substation must take into account the specific needs of the customer, as well as the local environment.
There are three main types of industrial substations: transmission, distribution, and service.
Transmission substations are typically located near generation facilities or load centers and step down voltage for distribution to lower voltages used by customers. Distribution substations distribute electricity at the voltages required by local loads from either transmission or generation sources. Service substations provide low-voltage power to customers such as schools, hospitals, and office buildings.
The first step in designing an industrial substation is to determine the customer’s load requirements. This includes factors such as the type of equipment being powered, the operating voltage levels required, the maximum current demand, short circuit levels, and power factor correction needs. Once these parameters have been established, engineers can begin selecting equipment such as transformers, switchgear, circuit breakers, and control systems that will meet those needs while also considering factors such as cost, space constraints , reliability ,and safety .
The layout of an industrial substation is also important to consider during design. Equipment must be arranged in a way that allows easy maintenance access and minimizes exposure to hazards such as fire , explosion , or electrocution . Electrical components must also be properly protected from weather damage .
In some cases , it may be necessary to install special ventilation or cooling systems to protect sensitive equipment from extreme temperatures .
Once all these factors have been taken into account ,the final design can be drawn up and construction can begin . Industrial substations are complex pieces of machinery , so it is important to work with experienced professionals who can ensure a safe and reliable end result .
Electrical Substation
An electrical substation is a vital link in the electricity network. It transforms high-voltage electricity from the transmission system to a lower voltage that is suitable for distribution to homes and businesses.
A typical substation will have a number of transformers, which step down the voltage, as well as switchgear to control the flow of electricity.
Some larger substations will also have onsite generation facilities.
Substations come in all shapes and sizes, from small units that serve just a few customers, to large regional hubs that power tens of thousands of homes and businesses. No matter their size or location, all substations play a critical role in ensuring a reliable supply of electricity.
Transmission Substation
A transmission substation is a type of electrical substation that is used to switch between different types of transmission lines. Transmission substations are also used to connect generation plants to the grid. The main purpose of a transmission substation is to step down the voltage from high-voltage transmission lines so that it can be used by lower-voltage distribution lines.
Transmission substations are typically located near load centers, which are areas with a high demand for electricity. This allows power to be delivered to customers more efficiently. Transmission substations usually have a higher capacity than distribution substations because they need to handle the large amount of power that is transmitted over long distances.
Transmission substations typically consist of transformers, switches, and other equipment that is necessary for switching between different types of transmission lines. The transformer steps down the voltage so that it can be used by lower-voltage distribution lines. The switchgear controls the flow of electricity and protects equipment from damage due to overloads or faults in the system.
Electrical Substation Components Pdf
An electrical substation is a crucial link in the power grid. It is where voltage is transformed from high to low, or vice versa, using transformers. The substation also regulates voltage and current levels, monitors equipment for faults, and controls switches.
All of these functions are performed by various components within the substation.
The following are some of the most important components found in an electrical substation:
Transformers – as mentioned above, transformers are used to change the voltage level of electricity passing through them.
This can be done by either increasing or decreasing the voltage. Transformers have coils of wire that act as electromagnets. When electricity flows through these coils, it creates a magnetic field that can then be used to transfer energy between circuits.
Circuit breakers – circuit breakers are used to protect equipment from damage caused by excessive currents flowing through them. They work by quickly interrupting the flow of electricity when a fault is detected. This prevents damage to equipment and minimizes the risk of fire breaking out.
Capacitors – capacitors are used to store electrical energy and release it when needed. They work by storing charge on their plates and then releasing this charge when required. This helps regulate voltages and improve power quality overall.
Protective relays – protective relays are used to detect faults in electrical systems and then isolate those faults so that they can be repaired without affecting other parts of the system.
Substation Building
A substation is a critical part of the electric power grid. It is a junction point where electricity is transmitted from high-voltage power lines to lower-voltage distribution lines. A substation building houses the equipment that makes this possible, including transformers, switches, and other electrical devices.
The substation building must be designed to withstand severe weather conditions and protect thesensitive equipment inside. It is usually made of reinforced concrete or brick and has a metal roof to shed snow and ice. The doors and windows are typically sealed tight to keep out water, dust, and pests.
Inside the substation building, there is a control room where operators can monitor the equipment and make adjustments as needed. There are also maintenance areas for performing repairs and doing routine upkeep. The rest of the space is taken up by the transformer banks that reduce the voltage of the incoming power so it can be safely distributed to homes and businesses.
Substation buildings play a vital role in keeping our lights on and our appliances running. They are an essential part of our electric infrastructure and must be well-designed and well-maintained to ensure reliable service for years to come.
Types of Substation Pdf
A substation is a critical part of the electricity grid. It is where high-voltage transmission lines meet lower-voltage distribution lines, and it is where the voltage is transformed to an acceptable level for customer use. Substations come in a variety of shapes and sizes, but all perform the same basic function.
There are three main types of substations: transmission, distribution, and generation. Transmission substations connect different parts of the high-voltage grid. They step up or step down voltages as needed to keep power flowing smoothly from one area to another.
Distribution substations take power from the transmission grid and distribute it to lower-voltage distribution lines that serve customers. Generation substations are connected directly to power plants. These facilities transform the voltage coming from the plant so it can be sent out onto the transmission grid.
While each type of substation serves a different purpose, they all share some common features. All substations havetransformers that change voltages, switchgear that controls the flow of electricity, and monitoring and protection devices that keep everything running safely.

Credit: www.terminalandrae.com
What is the Function of Substation?
A substation is a critical part of the electrical grid. It is a junction point where electricity is transferred from one set of transmission lines to another. Substations play a vital role in regulating voltage and ensuring that power flows smoothly throughout the grid.
Substations are typically located near major load centers, such as cities or industrial areas. This allows them to effectively distribute power to these areas while also providing a measure of protection in case of an outage on one of the transmission lines.
Inside a substation, there are a variety of devices that work together to ensure the proper flow of electricity.
These include circuit breakers, transformers, and capacitors. Circuit breakers help prevent damage to equipment by automatically disconnecting circuits when they become overloaded. Transformers convert high-voltage electricity into lower voltages that can be used by homes and businesses.
Capacitors store energy and release it when needed to help stabilize voltage levels.
Substations play a critical role in keeping the electrical grid running smoothly. They help regulate voltage levels, protect equipment from damage, and ensure that power flows evenly throughout the system.
What is a Substation?
A substation is a type of electrical system that is used to change the voltage of an electrical current. It is typically used to distribute power from a high-voltage power source to a lower-voltage network. A substation can also be used to convert between alternating current (AC) and direct current (DC).
What is the Difference between a Substation And a Transformer?
A substation is an assembly of equipment for transforming, switching, and controlling electric power in order to distribute it to consumers. A transformer is a device that changes the voltage of an alternating current (AC).
Which Type of Substation is Widely Used?
The most common type of substation is the distribution substation. These are used to provide electricity to homes and businesses in a specific area. They are usually located near the end of a power line, where the voltage is lowered before it enters homes and buildings.
Conclusion
An industrial substation is a type of substation that is designed for use in an industrial environment. Industrial substations are typically used to distribute power to large industrial facilities, such as factories or power plants. Industrial substations can also be used to connect two or more different types of electrical systems together.