What is the function of station transformer?

The Station Transformers are employed to supply auxillary loads to the power plant for starting the plant when generating unit is not in operation . There transformers are connected to the switchyard bus. LV side of the station transformer is connected to the auxiliary buses.

What is the function of auxiliary transformer?

Auxiliary transformer is used to supply low voltage for AC power system inside substation such as lighting ,air conditioners and other AC supply system and DC power system such as protection relays, batteries, SCADA & telecom system and other DC supply system.

What does a transformer do in a thermal power station?

When electricity is generated at a power plant, transformers boost the voltage from a few thousand up to hundreds of thousands for purposes of long-distance transmission. As these wires reach points called power substations, transformers reduce the voltage to under 10,000 volts.

What is the function of a transformer at a substation?

The transformer is the heart of the substation. The transformer changes the relationship between the incoming voltage and current and the outgoing voltage and current. Substation transformers are rated by their primary and secondary voltage relationship and their power carrying capability.

What is station auxiliary transformer?

Unit Auxiliary Transformers (UAT) Transformers The Unit Auxiliary Transformer is the Power Transformer that provides power to the auxiliary equipment of a power generating station during its normal operation. It is generally a three-winding transformer i.e. one primary and two separate secondary windings.

What are the functions of auxiliary supply in sub station?

The purpose of auxiliary power supply systems is to cater for the necessary energy for the operation of primary and secondary devices at the substation. The auxiliary power systems are normally divided in two categories, namely the AC system and the DC system(s).

What is station service transformer?

Station service voltage transformers (SSVTs) are intended to provide low voltage control power for substations, cell tower installations, and at switching stations by tapping directly from the high voltage line.

What is the meaning of transformer station?

Definition of transformer station in the English dictionary The definition of transformer station in the dictionary is a station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers.

What is the difference between a station transformer and an auxiliary transformer?

Station Transformer supply power to main plant ie all drive motors to Steam Turbine and Steam Generator of a Power Plant while auxiliary Transformer supply power to other utilities like Circulating water ,Air conditioning, coal handling plant etc In your opinion, what would be the average initial startup cost for product development?

What is the function of a station transformer in a power plant?

Station or auxiliary transformer is used to step down the generated voltage to in grid for plants auxiliary or station load.(means for the power requirement in the plant itself).

What is the difference between primary transformer and secondary transformer?

Normally station transformer primary is 66kv or higher voltage while secondary is 6.6 kv. Station or auxiliary transformer is used to step down the generated voltage to in grid for plants auxiliary or station load. (means for the power requirement in the plant itself).

What is the second largest transformer on a power station?

The second largest transformers on a power station are the station transformers. These step down the grid voltage to that of the highest plant auxiliaries which on modern power stations is always 11 kV.