+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
ABB 5SHX26L4520 Reverse Conducting Integrated Gate-Commutated Thyristor Product Description
Product Overview
Truth be told, the ABB 5SHX26L4520 – a high-power reverse conducting integrated gate-commutated thyristor (IGCT) – is a standout performer in ABB’s premium 5SHX series of power semiconductor devices. It features an innovative reverse conduction design that masterfully combines the low conduction loss advantage of thyristors with the flexible switching capability of fully controlled transistors, finely tuned for medium-to-high power inverters and industrial power electronics applications. As a core member of ABB’s power semiconductor product line, this device delivers outstanding performance at the 4500V voltage level. Its press-fit packaging technology and robust construction ensure stable long-term operation even in the harshest industrial environments.
In the power conversion and control segments of industrial automation systems, this IGCT plays a pivotal role, especially suited for high-power applications that demand top-tier reliability and efficiency. Its core value is multifaceted: it not only drastically cuts down system switching losses and boosts overall energy efficiency but also simplifies snubber circuit design, trimming both system size and cost. Compared with traditional GTO thyristors, it boasts faster switching speeds, higher reliability, and simpler drive requirements. Isn’t this exactly the ideal high-power switching solution that modern industrial power electronics equipment is looking for?
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 5SHX26L4520 |
| Manufacturer | ABB |
| Product Type | Reverse Conducting Integrated Gate-Commutated Thyristor (IGCT) |
| Repetitive Peak Off-state Voltage VDRM | 4500V |
| Maximum Turn-off Current ITGQM | 2200A |
| Surge Non-repetitive Peak Current ITSM | 17kA |
| Threshold Voltage VT0 | 1.8V |
| On-state Slope Resistance | 0.533mΩ |
| Typical DC Bus Voltage VDC | 2800V |
| Switching Frequency Range | Up to 500Hz (typical), supports 40kHz short pulse trains |
| Control Interface | Fiber optic interface with status feedback |
| Operating Temperature Range | -40°C to +125°C (junction temperature) |
| Package Type | Press-fit package |
Key Features and Advantages
The ABB 5SHX26L4520 IGCT is packed with a host of innovative technical features that bring tangible operational benefits to users. Its exceptional switching characteristics allow it to operate at higher frequencies while keeping switching losses low, directly translating into greater system efficiency and lower operational costs. The device adopts an optimized press-fit package design that provides excellent mechanical protection and thermal performance, while standing up to humid, dusty and harsh industrial settings.
Snubberless turn-off capability is a major highlight. The 5SHX26L4520 boasts robust snubberless turn-off capacity, which not only simplifies system design but also cuts the cost of peripheral components and reduces system volume. Unlike traditional GTO thyristors, it does not require complex turn-off snubber networks, which not only lowers system complexity but also enhances overall reliability.
It is highly optimized for medium-frequency applications. The device is specifically calibrated for medium-frequency scenarios, with a typical switching frequency of 500Hz, while also supporting short pulse train operation up to 40kHz. This flexible performance enables the 5SHX26L4520 to fit both traditional industrial drive applications and advanced renewable energy systems.
The control interface is simple and practical. The 5SHX26L4520 uses a fiber optic control interface with status feedback functionality, enabling simple and reliable control connections. The device is compatible with both AC and DC supply voltages, offering flexible system integration options. Coupled with its excellent electromagnetic immunity, it maintains stable operation even in complex industrial electromagnetic environments.
Application Areas
From the steel-intensive heavy industry to the grid core of the power sector, the ABB 5SHX26L4520 is widely used in power conversion and control scenarios across multiple industrial fields. In heavy industry, it is particularly suitable for high-power motor drives, main rolling mill drives, mine hoists, and variable frequency speed regulation systems for large fans and pumps. In the power industry, it is an indispensable component for critical equipment such as static VAR compensators, flexible AC transmission systems, and converter valves for high-voltage direct current transmission, effectively improving grid stability and power quality.
It also plays an important role in the process industry. It can be found operating stably in core equipment such as large compressor unit drives in the petrochemical industry, high-power pump sets, and blast furnace blowers in the metallurgical industry. You might not have noticed, but it also excels in the renewable energy sector, serving as a key component in grid-connected converters for large wind power systems and multilevel converter topologies in industrial drive systems. Even in industries such as papermaking, metal processing, and mining, where requirements for continuous operation and high energy efficiency are extremely stringent, it has long been the preferred power semiconductor device.
Related Products
- 5SHY35L4510: IGCT device in the same series, suitable for similar industrial applications
- 5SHX2645L0002: IGCT product in the same series with slightly different specifications
- 5SHY35L4520: ABB asymmetric integrated gate-commutated thyristor
- 5SHX36L4520: Higher-specification IGCT control module
- 5SHY3545L0010: ABB power semiconductor device for heavy industrial applications
- 5SHY4045L0006: High-power IGCT product for more demanding industrial environments
- 5SHX08F4510: Low-power IGCT in the same series, designed for small-power systems
- 5SHX14H4510: Medium-power IGCT with rated parameters of 420A/4500V
Installation and Maintenance
Installation Preparation
Before installing the ABB 5SHX26L4520, carefully check that the module’s appearance is intact and ensure the heat dissipation surface is flat and clean. Select a compatible heat sink to ensure good thermal contact with the module. When tightening the mounting bolts, always apply force evenly according to the specified torque to avoid local stress concentration that could damage the chip – this is a common pitfall for many field engineers, so it pays to be extra careful. For electrical connections, use cables with the recommended cross-sectional area and ensure the terminals are clean and secure to minimize the adverse effects of contact resistance and thermal stress.
Maintenance Recommendations
Regularly inspect the device’s electrical connections for looseness and keep a close eye on the operating status of the cooling system. During equipment shutdown for maintenance, clean dust and debris from the module surface and check the condition of the cooling fans. Monitor the module’s operating temperature in real time and never let it exceed the specified junction temperature range. If the system malfunctions, it is advisable to use professional equipment to test the IGCT’s switching characteristic parameters and identify potential issues early. Keep the drive circuit board clean and dry, and regularly inspect the connection status of the fiber optic interface to ensure stable and reliable control signal transmission.
Product Assurance
ABB provides comprehensive quality assurance and professional technical support for the 5SHX26L4520. All factory-fresh products undergo multiple rigorous tests and inspections to ensure each unit meets ABB’s high-quality standards. We also offer one-stop technical support services, covering everything from application consulting and installation guidance to fault diagnosis, providing end-to-end support to help customers fully leverage the product’s performance advantages.
With ABB’s global service network, we can provide customers with responsive after-sales service, ensuring stable equipment operation and minimizing unplanned downtime. For the 5SHX26L4520, we have prepared detailed technical documentation and application notes to help customers maximize the product’s performance. ABB’s power semiconductor products have long been renowned for their exceptional reliability and long service life, and the 5SHX26L4520 carries on this fine tradition, delivering a stable and reliable power switching solution for demanding industrial applications.
Contact info
- WhatsApp: +86 18030182217
- Email: sandydcsplc@gmail.com
- Phone: +86 18030182217
- Wechat: +86 18030182217
- Website: www.xiongbaparts.com
