T7S0176504DN

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Thyristors are high power, three-terminal devices employed for switching, controlling, and protecting electrical circuits. Out of the many kinds of thyristors, the most commonly used are SCRs and Modules. The T7S0176504DN is one such Module. In this article, we’ll be going over its application field and working principle.

Application Field

The T7S0176504DN Module is a robust, compact power control solution meant to be used primarily in medium-voltage systems (35kV maximum) but can perform in high-voltage systems as well (up to 47kV). It is characterized by its digital interface for operation, making it suitable for applications where digital switches are needed, such as traffic lights and other industrial automation processes. It is capable of withstanding 40kA peak currents. Other applications range from AC motors and relays to renewable energy and electric pumps.

Working Principle

The anatomy of the T7S0176504DN Module consists of a highly reliable three-terminal configuration, consisting of a gate, anode, and cathode terminals. When a gate-cathode voltage greater than the specified hold-on voltage (Vho) is applied, the device starts to conduct current, and the anode current conduction limit sets the output power.

The T7S0176504DN Module operates in three modes: dynamic, static, and which is further divided into a few sub-modes. When in dynamic mode, the thyristor conducts a fixed amount of current and can be operated in turn-on (conducting mode) and turn-off (non-conducting mode) states. In static mode, the thyristor can be operated as a latch-up or a shut-off device. The latch-up mode allows the thyristor to remain in the conduction state as long as a gate voltage is applied, while the shut-off mode turns off the thyristor when a voltage is not applied to the gate.

When in surge-critical operating mode, a special control loop continuously monitors the supply voltage and the gate voltage, which ensures the proper operation even under abnormal conditions. The T7S0176504DN Module is protected against over-current, over-temperature, and over-voltage, which makes it suitable for even the toughest environments.

Conclusion

The T7S0176504DN Module is an ideal power control solution for applications needing high-power, digital switching capabilities. Capable of withstanding extreme temperatures, current, and voltage, it is suitable for electric motor and pumping systems as well as for industrial automation processes. Its working principle is based on a three-terminal configuration and can operate in three different modes: static, dynamic, and surge-critical.

The specific data is subject to PDF, and the above content is for reference