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Power Substations For Electrical And Trams

Qingdao Wuxiao | Updated: May 23, 2017

Power substation as the name suggests, is to change the voltage of the place and place. Is the power system in the power of the voltage and current transformation, concentration and distribution of the place. In order to ensure the quality of electrical energy and the safety of equipment, in the power substation also need to adjust the voltage, the power flow (power system nodes and branches in the voltage, current and power flow and distribution) control and transmission and distribution lines and the main Protection of electrical equipment. According to the use can be divided into power substation and traction power substation (electrical rail and tram). In the national standard GB 50053-94 "10kv and below the power substation design specifications" which defines the term is defined as "10 kV and below the AC power transformer after the power transformer power supply", in line with this is the power substation.

Power substation as the name suggests, is to change the voltage of the place and place. Is the power system in the power of the voltage and current transformation, concentration and distribution of the place. In order to ensure the quality of electrical energy and equipment safety, in the power substation also need to carry out voltage regulation, current control and transmission and distribution lines and the protection of major electrical equipment. According to the use can be divided into power substation and traction power substation (electrical rail and tram). In the national standard GB 50053-94 "10kv and below the power substation design specifications" which defines the term is defined as "10 kV and below the AC power transformer after the power transformer power supply", in line with this is the power substation. Substation (substation): As the name implies, refers to the place to change the voltage and place. Is the power system in the power of the voltage and current transformation, concentration and distribution of the place. In order to ensure the quality of electrical energy and equipment safety, in the power substation also need to carry out voltage regulation, current control and transmission and distribution lines and the protection of major electrical equipment. In the national standard GB 50053-94 "10kv and below the power substation design specifications" which defines the term is defined as "10 kV and below the AC power transformer after the power transformer power supply", in line with this is the power substation.

Classification of power substation: 1: According to the role of classification, there are: power substation, step-down power substation or hub power substation, terminal power substation and so on. 2: classified by management, there are: people on duty power substation, unattended power substation. 3: in accordance with the structure of indoor and outdoor points, there are: outdoor power substation, indoor power substation. 4: According to geographical conditions, there are: ground power substation, underground power substation.

The main equipment of the power substation and connection, according to its function and the environment will be different.

In the national standard GB50053-94 "10kv and below the power substation design specifications" which defines the term definition, according to the transformer installation location and the environment is different from the indoor and outdoor, indoor and outdoor points, the power substation is defined as:

Power substation: "10 kV and below the AC power supply after the power transformer transformer power supply", in line with this is the power substation.

Open - air power substation: Transformer located in the open ground above the power substation;

Semi-open-air power substation: transformer located in the open ground above the power substation, but the top of the transformer or roof or eaves;

Attached to the power substation: power substation one or more walls and buildings of the wall share, and the transformer room doors and ventilation windows open to the building;

Power substation in the workshop: power substation located in the workshop, and the door of the transformer room is open to the workshop.

Independent power substation: a separate building;

Indoor power substation: attached to the power substation, independent power substation and workshop power substation in general;

A facility that will not be burned by an externally burned material;


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