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phase shifting traction

A Phase-Shifting Transformer is a device for controlling the power flow through specific lines in a complex power transmission network.
The basic function of a Phase-Shifting Transformer is to change the effective phase displacement between the input voltage and the output voltage of a transmission line, thus controlling the amount of active power that can flow in the line.

phase-shifting

HVDC transformer

HVDC Transformers are key components of HVDC-stations. HVDC-converter and -inverter-stations terminate long-distance DC transmission lines or DC sea cables.

HVDC Transformers react as coupling elements between the connected AC grids and high power rectifiers, and are necessary for adapting the voltage. They insulate the rectifier itself from the AC grid and generate a phase shift.

New HVDC applications are seen between existing, well-established networks. A back-to-back link can easily combine two different AC networks together, even with different frequencies. Both network users are able to take advantage of balanced load / output due to different time zones or different living be hav iors that are causing delays in peak load.

Such solutions can also help customers to strengthen and optimize their networks. The changing environment provides more and more opportunities to HVDC solutions, and Siemens is prepared to provide its customers with either our solution or with converter transformers as a loose component.

hvdc