S3GHE3/9AT Discrete Semiconductor Products

S3GHE3/9AT application field and working principle

S3 GHE 3/9AT is a three-phase bridge rectifier that provides high-current and High-voltage rectification. It is typically used in AC-DC power systems, such as power back-up power supply, AC-DC battery charging, and AC-DC converter regulator applications. This rectifier can also be used in industrial, automotive, and household sectors.

The working principle of a three-phase bridge rectifier is based on a standard three phase bridge circuit consisting of six diodes connected in the form of a bridge. The three-phase bridge rectifier is connected to a three-phase AC source and is used to produce a regulated DC output. The three-phase input is applied to the three-phase bridge rectifier, and the rectified output is then smoothed through a filter circuit to produce a regulated DC voltage.

The S3 GHE 3/9AT rectifier consists of three pairs of diodes connected in a bridge circuit to create a full-wave rectifying pattern. This rectifier is capable of providing a high current up to 150A and a high voltage up to 900V, in a heat-dissipating package. It also features built-in snubber circuits and active voltage multiplier to achieve high-efficiency and low-temperature operation.

The internal snubber circuits help to reduce inrush current and over-voltage transients. The active voltage multiplier provides an additional output voltage that can be adjusted based on the operating conditions. The S3 GHE 3/9AT rectifier is capable of achieving an output voltage up to 1200V with a corresponding current of 150A.

The S3 GHE 3/9AT is designed to meet the requirements of high-power AC-DC rectification applications. Its high current and voltage ratings, together with the built-in snubber circuits and active voltage multiplier, make the S3 GHE 3/9AT an ideal choice for a wide range of rectification applications in industrial and automotive sectors. The rectifier is also suitable for a variety of other power system applications, including backup power supplies and AC-DC battery charging.