持续升压试验
continuous-voltage-rise test
降压升压变压器
buck and boost transformer
降压-升压型DC-DC变换器
Buck-Boost DC-DC converter
零起升压试验
stepping up from zero test
升压试运行
voltage boosting trial operation
特高压升压变
ultra high voltage(UHV) step-up transformer
小体积高压升压电源
mini-volume high voltage rising power