TISP3320F3P

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Thyristors are solid state semiconductor switches which have three terminals and two conduction states. The terminals are named the anode, cathode, and gate. Thyristors are used in a variety of applications in industrial electronics, from controlling power to sensing current. TISP3320F3P is one of the widely used thyristor family from STMicroelectronics, and it is a very popular choice in AC motor drives and other industrial applications.

The TISP3320F3P family of thyristors is a versatile, cost-effective discretes product consisting of two series of three phase IFSL (most intermediated full-mesh voltage sag protection). They are designed to protect motors and other equipment from excessive currents or short circuits created by abnormal voltage sags or transients. They feature an integrated gate-controlled transient suppressor and control and overvoltage protection from currents up to 65 A. They also offer symmetric and asymmetric operations, including both break-before-make and make-before-break operation.

TISP3320F3P is a symmetric three-phase AC-operated thyristor device, with a working voltage of 600V. The device tastes the three phases separately, but applies symmetry control and maintains the normal phase difference. When an asymmetric short-circuit or over current occurs in any of the phases, the device identifies the fault and trips it. The device can also respond to a quick current change due to an external transient fault by quickly instructing the thyristor to fire.

The TISP3320F3P features a built-in voltage comparison circuit in its main circuit. The voltage comparison circuit monitors the DC voltage between its anode and cathode, and the current between its gate and cathode. If either voltage exceeds the preset value, the thyristor will fire, and the voltage or current will be cut immediately. It also has an integrated gate-controlled system transient suppressor which dampens high frequency interference and protects the device from potential damage.

The TISP3320F3P is suitable for applications where a high current motor or other device needs to be protected from excessive currents or short circuits, and where an accurate response is required to manage the transient on the grid or other faults. It is an ideal solution for AC motor drives, induction machine drives, dc motor drives, as well as for the protection of uninterruptible power supply systems, solar inverters, and rotating machines.

In summary, the TISP3320F3P is a highly efficient three-phase symmetric AC-operated thyristor device, offering a wide range of protections. With an integrated gate-controlled transient suppressor, symmetric and asymmetric operations, and voltage comparison circuit, it is a cost-effective solution for industrial applications. It is suitable for applications where an accurate response is required when an abnormal voltage sags or transients occur.

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