Substation is the power system to transform the voltage, receive and distribute power, control the flow of power and adjust the voltage of the power facilities, it is through the transformer will be at all levels of the power grid link.
In addition, the substation equipment also has switching devices for switching circuits, buses for current collection, transformers for metering and control, instrumentation, relay protection and lightning protection devices , Scheduling communication devices, and some substations and reactive power compensation equipment.
Today, electric tiger net with you to dissect the main electrical substation equipment, rose up together!
Part 1
transformer
Transformer is the main substation equipment, divided into double-winding transformers, three-winding transformers and autotransformers.
According to its role in the transformer can be divided into step-up transformer and step-down transformer for the former power plant to send the end of the substation, the latter for the end substation. The voltage of the transformer needs to be adapted to the voltage of the power system. In order to maintain the acceptable voltage under different load conditions, it is sometimes necessary to switch the tap of the transformer.
Tap tap changer, transformer with load on-load tap-changer and no load on-load tap-changer. On-load tap changer is mainly used for the end substation.
Part 2
Transformer
The main function of the transformer is to convert the voltage of the high voltage wire of the substation to the ground or the current flowing through the high voltage wire into a low voltage and a small current according to a certain proportion so as to realize high voltage wire to ground voltage of the substation and high voltage wire Of the effective measurement of current.
Voltage transformer
Transformers are divided into current transformers and voltage transformers, respectively, for current and voltage conversion.
Because of their transformation principle and the transformer is similar, so called measurement transformer.
The main role of the transformer:
Element Struction
FPM seal ring ensure the air-tightness between filter head and filter element, to achieve a positive filtration Effect.
Double stainless steel support layer to ensure the fulter element strength, deep bed Multi-wrap borosilicate glass microfibre large flow passage prevent high pressure drop.
With 96% porosity high dirt holding capacity, lifespan up to 6000 to 8000 hours. The general differential pressure is 0.17~0.25 kg/cm, less than 0.65kg/cm.
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