SE15FDHM3/I

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Introduction

SE15FDHM3/I is a single-phase bridge rectifier module with a single-phase full-bridge thyristor structure. It consists of four single-phase thyristors assembled on one heat sink designed for power applications in medium power systems up to 600V. It has the advantages of low cost, high efficiency, and is widely used in many applications.

Application field

SE15FDHM3/I is widely used as a rectifier power supply in many applications such as industrial control system, uninterruptible power supply, speed adjustment, solar energy, lighting system, home appliances, electronic conditioning, power line surge protection, etc. In particular, it has a wide application in industries like metallurgy, papermaking, chemical processing, high-capacitance power line stabilization and protection, and marine buoys.

Working principle

The SE15FDHM3/I rectifier module works by converting AC current to DC current using four thyristors. It consists of four thyristors arranged in a bridge that actively rectifies the AC current and then converts it into DC current. The module also contains two antiparallel diodes in parallel to the thyristors to reduce the forward voltage drop and ensure a higher efficiency.The rectification process takes place when the proper gate signal is received. The current first flows through the two antiparallel diodes connected in antiparallel to the thyristors. When the gate signal is received, the thyristors turn on and begin to conduct current. The current builds up and is then supplied to the load as DC through the two thyristors. This rectification process allows for precision control of DC output, ensuring a stable and efficient performance.

Conclusion

SE15FDHM3/I is a single-phase bridge rectifier module with a single-phase full-bridge thyristor structure. It is a highly efficient and cost-effective component used in many applications such as industrial control systems, uninterruptible power supplies, solar energy, and home appliances. It works by actively rectifying and then converting the AC current into DC current using the four thyristors and two antiparallel diodes connected in parallel, resulting in a precise and stable DC output.

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