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500KV Substation Structure Electricity Transmission Line
  • 500KV Substation Structure Electricity Transmission Line500KV Substation Structure Electricity Transmission Line
  • 500KV Substation Structure Electricity Transmission Line500KV Substation Structure Electricity Transmission Line
  • 500KV Substation Structure Electricity Transmission Line500KV Substation Structure Electricity Transmission Line
  • 500KV Substation Structure Electricity Transmission Line500KV Substation Structure Electricity Transmission Line
  • 500KV Substation Structure Electricity Transmission Line500KV Substation Structure Electricity Transmission Line

500KV Substation Structure Electricity Transmission Line

Mao Tong is a leading China 500KV Substation Structure Electricity Transmission Line manufacturers, suppliers and exporter.

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Product Description

Mao Tong is a leading China 500KV Substation Structure Electricity Transmission Line manufacturers, suppliers and exporter. Qingdao Maotong ® Electric Power Equipment Co., Ltd. The company's main business scope: solar support, photovoltaic products, substations and hydropower stations, transmission lines tower, steel tower and steel pipe pole, iron accessories (anchor bolts, basic steel) , communications tower, railway line equipment and power components and other steel structures.
Intelligent substation

Intelligent substation is the upgrade and development of digital substation. On the basis of digital substation, combined with the needs of smart grid, the substation automation technology is enriched to realize the intelligent substation function. The design and construction of intelligent substation must be carried out under the background of smart grid. It must meet the requirements of the construction and development of smart grid in our country, and reflect the characteristics of smart grid informatization, digitalization, automation and interaction in our country.

Intelligent substation has the following functional characteristics:

1. Closely connect the whole network.

2. Support smart power grid.

3. Intelligent substations with high voltage levels meet the requirements of UHV transmission grid.

4. Medium and low voltage intelligent substation allows the access of distributed power supply.

5. Remote visualization.

6, equipment and facilities standardized design, modular installation.

In order to strengthen the integrated management level of substation and unattended substation in safety production, anti-theft security, fire monitoring and other aspects, more and more power enterprises are considering the construction of centralized remote image monitoring system, which promotes the network development of integrated power monitoring. With IP digital video, it can monitor and monitor the relevant data, environmental parameters and images of each substation/station, and directly understand and master the situation of each substation/station in real time, and respond to the situation in time, so as to meet the needs of many regional substations.

Substation is simply a place where the voltage and current are transformed. In order to transmit the electric energy from the power plant to the remote users, the electric energy must be boosted and fed back to the high voltage grid, and then the voltage can be depressurized according to the needs of the nearby users. Substations have become an indispensable part of the power system by lifting and lowering the voltage and transmitting power to users.
During the 100-year history of the joint development of power stations and electric power systems, great changes have taken place in the construction site, voltage level, and equipment conditions of substations.

In the construction site of the substation, from all the original open outdoor substations, gradually appeared indoor substations and some underground substations, the area of the substation and the original open outdoor substations shrank a lot.

In terms of voltage level, with the development of power technology, a small number of 110kV and 220kV substations are used as the hub substation. The small-grid transmission mode of 35kV terminal substation has gradually developed into a large-grid transmission mode of 1000kV and 500kV UHV substations as hub substations, and 220kV and 110kV substations as terminal substations.

In the aspect of electrical equipment, primary equipment from the original open outdoor equipment, gradually developed to fully enclosed gas combination (GIS) and semi-enclosed gas combination (HGIS); Secondary devices developed from the early transistor and integrated circuit protection to microcomputer protection.
The structure design and equipment layout of modern substation should meet the following six requirements:

1. The attached 10kV substation at the bottom of the building does not need to be divided into rooms. Transformers and high and low voltage switchgear can be arranged in the same floor and in the same room.

2. The indoor layout of the substation should be compact and reasonable to facilitate the operation, maintenance, testing and inspection of the operating personnel. The installation position of the switch cabinet should meet the requirements of the minimum channel width, and give due consideration to the requirements of development and expansion;

3. The location of each function room in the substation should be rationally arranged. The high-voltage distribution room is adjacent to the high-voltage capacitor room, and the low-voltage distribution room is adjacent to the transformer room.

4. The facilities of the high and low voltage distribution room should meet the requirements of safety and fire prevention, and combustible materials are not allowed to be used in the station decoration;

5. The doors of the high and low voltage distribution room, capacitor room and transformer room should be opened outwards, and the doors of the adjacent two distribution rooms should be opened bidirectional;

6. The high and low voltage distribution room, capacitor room, transformer room and main control room should be equipped with facilities to prevent rain, snow, snakes, rats and other entry through the door, window and cable ditch.



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