Station transformer
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Is it necessary to have a station transformer at a 10KV substation? Is it possible to operate without one? If so, where can the power for the substation be obtained?
Is this 10kV a substation or a switchyard?
It is a switchyard, with power supplied directly via 10kV cables buried from the utility company’s 110kV station.
Everyone believes a substation is needed. . Substations have low-voltage systems with low-voltage electricity, while switchyards do not have voltage transformation systems; only station transformers are available. This is just my personal opinion. Hehe
Is it necessary to have a station transformer at a 10KV substation? Is it possible to operate without one? If so, where can the power for the substation be obtained? Answer: It is not necessary to have a station transformer; rather, a transformer is essential. Since it is a 10KV station, it should be a substation, with power supplied from a nearby high-voltage substation.
What was said upstairs is correct; whether it’s a switching station or a substation, you need a power supply with a 400V voltage level. If there isn’t a transformer available nearby that can convert 10kV to 400V, then power has to be generated at another station for use in daily operations there, such as for the back-office equipment, lighting, and battery charging
A transformer must be available in a 10KV substation. The station service transformer you mentioned likely refers to the transformer used specifically for control and protection functions in the substation; this can be determined based on the design requirements of your substation. It’s better to have such a transformer, or power can also be drawn from the 400V low-voltage side of the substation; it is recommended to include one.