ABB 5SHY35L4512 thyristor module

ABB 5SHY35L4512 thyristor module

Product Overview

ABB 5SHY35L4512 belongs to the asymmetric integrated gate rectifier thyristor module, commonly known as the asymmetric integrated gate commutated thyristor (IGCT) module. This module is designed to meet the stringent requirements of specific industrial applications and plays a critical role in various power control and conversion scenarios. It is an important component for achieving efficient and stable power operation.

Basic information

Brand: ABB

Model: 5SHY35L4512

Type: Asymmetric integrated gate rectifier thyristor module, also known as asymmetric integrated gate commutated thyristor (IGCT) module.

Specification parameters

On state voltage: At a current of 4000A, the on state voltage is 2V, which reflects the voltage loss of the module in the conducting state. A lower on state voltage helps reduce system energy consumption.

Operating frequency and temperature range: Designed for low-frequency (<100Hz) working conditions, it can adapt to a wide temperature range environment and demonstrate good temperature adaptability. Whether in high or low temperature environments, it can ensure stable operation.

Voltage endurance: capable of withstanding high voltage, meeting the needs of high-voltage application scenarios, ensuring reliable power control and conversion in high-voltage environments.

Leakage current: With low leakage current characteristics, it effectively reduces unnecessary current losses, improves the energy utilization efficiency and operational stability of the module.

Performance characteristics

Voltage and current characteristics: The on state voltage is 2V (at 4000A), which can withstand high voltage and is suitable for high voltage environments. It can achieve fast switching and control under high voltage conditions.

Frequency and temperature adaptability: Designed for low frequencies (<100Hz) and a wide temperature range, it has high temperature stability and can operate stably under different temperature conditions.

Reliability and anti-interference: High reliability, with high electromagnetic anti-interference ability, can effectively resist electromagnetic interference and reduce the impact of external factors on module performance.

Control interface: A simple control interface with status feedback, which facilitates user operation and monitoring, achieving precise control of the module.

Power adaptability: Both AC and DC power supply voltages can be applied, increasing the flexibility of use.

Other features: Adopting advanced integrated gate design with low leakage current characteristics; It also has advantages such as low voltage drop, high return current, and maintenance free.

Working principle: The thyristor module is generally composed of two thyristors connected in reverse, and is a high-power semiconductor device with a four layer structure consisting of three PN junctions. It controls the conduction and cutoff of current by controlling the gate signal, thereby achieving controllable rectification, inversion and other functions. It can convert DC power into AC power, or convert AC power of one frequency into AC power of another frequency.

Working principle

The 5SHY35L4512 thyristor module adopts a structure of two thyristors connected in reverse, which is a four layer high-power semiconductor device with three PN junctions. Its work is based on the basic principle of thyristors. When a suitable trigger signal is applied to the gate, the thyristor is triggered to conduct, and current can flow from the anode to the cathode. In the conducting state, as long as the anode current is greater than the holding current, the thyristor will remain conducting; When the anode current drops below the holding current or a reverse voltage is applied, the thyristor returns to the cutoff state. By flexibly controlling the gate signal, the on/off control of the current in the circuit is achieved, thereby achieving various power control and conversion functions.

Application area 

High voltage direct current transmission: In the high voltage direct current transmission system, it is used to achieve the conversion and transmission control of electrical energy, efficiently carry out rectification and inversion operations, and ensure the stable transmission of electricity.

Industrial power control: It can be used for power control of various industrial equipment, such as motor drivers, welding machines, etc., to achieve precise control of power supply, improve equipment operation efficiency and reliability.

High voltage and high-frequency power supply: suitable for the field of high voltage and high-frequency power supply, capable of stable operation at high frequencies and providing stable power supply for related equipment.

Short circuit arc protection: It plays a role in short circuit arc protection in the circuit. When a short circuit fault occurs, it can quickly cut off the circuit and protect the safety of equipment and personnel.

Precautions

Installation environment: It should be installed in an environment that meets the G3 standard, can withstand more pressure, and meets the harsh environmental conditions requirements of ISA-S7.1.04. Avoid installing in places that are too humid, dusty, or have corrosive gases to prevent the module from being corroded and affecting its performance and lifespan.

Electrical connection: Ensure that the electrical connection is firm and reliable, avoiding looseness that may increase contact resistance, cause overheating, or even malfunction. During the connection process, it is necessary to strictly follow the electrical specifications to prevent problems such as short circuits.

Monitoring of working parameters: Regularly monitor the working parameters of the module, such as voltage, current, temperature, etc., to ensure that it operates within the specified working range. Once abnormal parameters are found, the cause should be promptly investigated and corresponding measures should be taken to avoid further expansion of the fault.

Similar model supplement

5SHY35L4520: also an ABB asymmetric integrated gate commutated thyristor module. Compared with 5SHY35L4512, there are similarities in some performance parameters and application scenarios. However, the installation force requirement of 5SHY35L4520 is 40kN, which has a higher buffering off rating and has been optimized for mid frequency applications. It also has similar advantages in electromagnetic anti-interference ability, control interface, etc., and is suitable for application scenarios with specific requirements for mid frequency performance.

5SHX1060H0003: This model also belongs to the ABB thyristor module series products. There are certain differences in key parameters such as voltage and current, as well as functional characteristics, compared to 5SHY35L4512. However, it is also suitable for power control and conversion related fields. It can be reasonably selected between these two models according to the specific project's voltage level, current capacity, control accuracy, and other requirements.