ABB 5SHX14H4502 Controller

ABB 5SHX14H4502 Controller

Product Overview

ABB 5SHX14H4502 is not a traditional controller, but a high-performance insulated gate bipolar transistor (IGCT) module belonging to ABB's 5SHX series. It combines GCT (gate commutated thyristor) and integrated gate driver circuit, integrating the high blocking ability, low on state voltage drop of GTO (gate turn off thyristor), and excellent switching performance of IGBT (insulated gate bipolar transistor), making it an ideal choice for megawatt level medium voltage switch applications.

Specification parameters

Voltage and current parameters: able to withstand high voltage and high current, specific rated voltage and current values need to refer to detailed product manuals, generally suitable for high-power application scenarios, and meet high load operation requirements.

Switching speed: The switching speed is fast and can operate stably in high-frequency working environments, meeting the requirements of applications that require fast response.

Conducting voltage drop: It has the characteristic of low conducting voltage drop, which reduces power loss in conducting state and effectively improves energy utilization efficiency.

Working temperature range: The working temperature range is -40 ℃ to+150 ℃, which can adapt to various complex environmental temperature conditions.

Main features

High voltage and high current: able to withstand high voltage and high current, suitable for high-power application scenarios.

Fast switching speed: Fast switching speed, suitable for high-frequency applications.

Low conduction voltage drop: The conduction voltage is reduced, the power consumption is small, and it can effectively improve energy utilization efficiency.

High reliability: Adopting advanced packaging technology, it has high reliability and can work stably under various complex working conditions.

Wide temperature range: The working temperature range is -40 ℃ to+150 ℃, and it can operate stably within a wide temperature range.

Function and Application

Power electronic frequency converter: used for power conversion of frequency converters, especially suitable for situations that require fast response.

Industrial drive: can be used for motor drive, servo drive, etc., to meet the needs of fast start, stop, and reverse of equipment.

Traction field: Suitable for electric locomotives, electric vehicles, etc., capable of handling frequent starting and braking conditions.

Welding equipment: used for welding power supply, capable of quickly establishing and interrupting welding current.

Other fields: It can also be applied to pulse power applications, power systems, industrial automation, new energy, rail transit and other fields, such as lasers, particle accelerators, power substations, wind power generation, photovoltaic power generation, etc.

Working principle

When IGCT is in a conducting state, its working mode is similar to a thyristor, which achieves current conduction through a positive feedback mechanism and has the characteristics of carrying high current and low on state voltage drop. In the off state, the pn junction between the IGCT gate and cathode enters reverse bias and exits operation in advance, and the entire device exhibits transistor operation. During the shutdown process, by opening a switch (usually a MOSFET) in series with the cathode, the P base n emitter is reversed to quickly prevent cathode injection, forcing the anode current to be converted into gate current in a short period of time (usually within 1 μ s), transforming the GTO into a contactless PNP transistor, eliminating the cathode emitter contraction effect, and achieving rapid shutdown.