N. Konishi, M. Mori, M. Naito, T. Tanaka, K. Miyata, M. Okamura
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引用次数: 2
摘要
研制了一种用于高压直流(HVDC)变流器的高压光激活晶闸管。通过栅极晶闸管的薄n-发射层照射光,实现了dv/dt能力和光触发灵敏度之间的良好权衡。所研制的80 mm直径晶闸管阻断电压为6000 V,平均导通电流为1500 A, dv/dt能力大于2000 V/µs,最小触发光功率小于10 mW。
A high-voltage light activated thyristor for high-voltage direct-current (HVDC) coverters has been developed. An excellent trade-off between dv/dt capability and optical triggering sensitivity has been achieved by irradiating the light through the thin n-emitter layer of the gate thyristor. The developed 80 mm diameter thyristor has the blocking voltage of 6000 V, average on-state current 1500 A, the dv/dt capability of more than 2000 V/µs, the minimum triggering light power of less than 10 mW.