Voltage sampler and solid-state transformer

A solid-state transformer, comprising a voltage sampler, and a power converter electrically connected to the voltage sampler;

• wherein the voltage sampler comprises a conductive housing, at least one sampling board located inside the housing, and a conducting layer, wherein
• each of the at least one sampling board comprises at least two resistors and a voltage input end, the at least two resistors are electrically connected in sequence in a direction from a first end to a second end, a resistor at the first end is electrically connected to the voltage input end, a resistor at the second end is electrically connected to the housing, the housing is electrically connected to a fixed potential end;
• and
• the conducting layer is disposed between at least one of the at least one sampling board and the housing, the conducting layer is electrically connected to one of the at least two resistors in the sampling board.