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  • ABB 5SHX2645L0006 Silicon controlled rectifier
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  • ABB 5SHX2645L0006 Silicon controlled rectifier

    110V-380V
    5W-130W
    1A-30A
    1 year
    30
    United States, France, Japan, Viet Nam, Australia, Russia, Germany, Italy, Arabia

    ABB 5SHX2645L0006 Silicon controlled rectifier

    • ¥12000.00
      ¥24520.00
      ¥12000.00
      ¥12000.00
    • Satisfaction:

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      Review: 0

    Weight:3.600KG
    • Quantity:
    • (Inventory: 33)
Description

ABB 5SHX2645L0006 Silicon controlled rectifier


ABB 5SHX2645L0006 Silicon controlled rectifier

Overview 

The ABB 5SHX2645L0006 SCR is a semiconductor device that belongs to the thyristor family. It is designed to handle significant amounts of electrical power and is widely used in power - control and - conversion applications.

Functionality and Features

Power - Control Function

The primary function of the SCR is to control the flow of electrical power. It can be used to convert alternating current (AC) to direct current (DC) in a controlled manner. When triggered into conduction, it allows current to flow in one direction through the circuit. For example, in a simple DC power - supply circuit, the SCR can be used to regulate the amount of power delivered to a load by controlling the point in the AC cycle at which it starts to conduct. This enables applications such as variable - speed - motor - drives, where the power supplied to the motor can be adjusted to control its speed.

High - Power Handling Capacity

The 5SHX2645L0006 SCR is capable of handling high - power levels. It can withstand high voltages and conduct large currents. This makes it suitable for industrial - power - applications such as in electric - furnaces, welding - machines, and high - power - rectifier - systems. For instance, in an industrial - welding - application, the SCR can handle the high - current - requirements to produce the necessary heat for welding, while also allowing for precise control of the welding - current through its gating mechanism.

Triggering and Gate - Control Mechanism

The SCR has a gate - control mechanism. A small current or voltage signal applied to the gate terminal can trigger the SCR into conduction. The module's design allows for precise control of the triggering point, which is crucial for accurate power - control applications. The gate - trigger - characteristics, such as the minimum - gate - trigger - voltage and - current, are well - defined. This enables the SCR to be integrated into complex - control - circuits where the timing and magnitude of the gate - trigger - signal determine the behavior of the power - conversion or - control process.

Protection and Robustness

The device is equipped with certain protection mechanisms. It can handle over - current and over - voltage conditions to some extent. Additionally, it has a certain level of thermal stability, which is important as SCRs can generate heat during operation. The packaging of the 5SHX2645L0006 SCR is designed to dissipate heat efficiently and protect the internal semiconductor - structure from environmental - factors and mechanical - stress.

Technical Specifications

Voltage and Current Ratings

The SCR has a specified maximum - forward - voltage - rating, which indicates the highest voltage it can withstand in the conducting - direction without breakdown. For example, it might have a forward - voltage - rating of several kilovolts, such as 4.5 kV. The maximum - forward - current - rating defines the maximum current it can conduct without overheating or damage. This could be in the range of thousands of amperes, such as 3000A. The device also has specifications regarding its surge - current - handling - ability to account for transient - conditions in the power - system.

Trigger - Specifications

The gate - trigger - voltage and - current - ranges are precisely defined. The minimum - gate - trigger - voltage is the lowest voltage that needs to be applied to the gate to trigger the SCR into conduction. The gate - trigger - current is the corresponding current at that voltage. These values can vary depending on the specific design and application requirements. The turn - on - time of the SCR after the gate - trigger - signal is applied is also an important specification, usually measured in microseconds.

Power - Loss and Thermal Specifications

The conduction - losses of the SCR are specified. These losses are related to the forward - voltage - drop across the device when it is conducting and the current flowing through it. The maximum - operating - temperature of the SCR is also defined. This is important because the performance and reliability of the device can be affected by temperature. Exceeding the maximum - operating - temperature can lead to reduced efficiency and even device - failure.

Applications

Industrial - Power - Conversion and - Control

In industrial - power - conversion systems, the ABB 5SHX2645L0006 SCR is used to convert AC to DC power. It is a key component in high - voltage - DC - transmission (HVDC) systems, where it helps to control the power - flow between different - power - grids. In industrial - rectifier - systems, it is used to provide DC power for applications such as electroplating, battery - charging, and electrolysis - processes.

Motor - Drive and - Control Systems

In motor - drive applications, the SCR is used to control the speed and torque of motors. In large - scale - industrial - motors, such as those used in steel - mills and mining - equipment, the SCR - based - drives can provide variable - speed - control, enabling efficient - operation and - energy - savings. The ability to handle high - power and the precise - control - mechanism of the SCR make it suitable for these demanding - motor - drive - applications.

Welding and - Heat - Treatment Applications

In welding - machines, the SCR is used to control the welding - current and - voltage. It allows for precise - adjustment of the welding - parameters to achieve high - quality - welds. In heat - treatment - processes, such as in metal - hardening - and - annealing - applications, the SCR can be used to control the heating - power, ensuring that the materials are heated to the desired - temperature - profiles for the required - material - - properties.


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