Station Service Transformer Function. Unit auxiliary transformer is used to deliver the power to the motor, fans, pumps, lightings etc. Ratings are available in 5 through 250 kvawith primary voltages 2.4
For hvdc connections, the transformer stations also accommodate the ac/dc converter. The positive sequence impedance is 12.2%. The buchholz (gas) relay is placed in the piping between the transformer main tank and the oil conservator.
A power transformer is the most costly and essential equipment piece of equipment within an electrical substation.
For hvdc connections, the transformer stations also accommodate the ac/dc converter. This transformer is connected directly to the main generator and as such will provide the cheapest power for the station use since any power from the transmission lines has losses A power transformer requires various routine maintenance… Distribution transformer ermco single phase pole mounted distribution transformers are designed and manufactured in compliance with all applicable ansi and rus standards.