Description

ABB 5SHY5045L0020

I. Basic Information

• Product Type: Integrated Gate-Commutated Thyristor (IGCT) power module.
• Core Function: Performs high-voltage, high-current switching and power conversion as the power core of medium- and high-voltage power conversion systems. It features high voltage withstand and high current conduction capability, showing low loss of thyristors during conduction and stable turn-off performance of transistors during turn-off. Trigger signals are usually transmitted via optical fibers; control is realized with only one power supply and two optical fibers. It runs stably without snubber circuits, enabling plug-and-play, further simplifying system design and reducing failure points. It also realizes bidirectional AC-DC energy conversion and supports four-quadrant motor operation (motoring, braking, generating, plugging). The IGCT chip, drive circuit and protection circuit are integrated internally, enabling rapid response to abnormal working conditions to ensure system stability.
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• Application Positioning: Suitable for medium-high voltage (3 kV–10 kV) or medium voltage (690 V–3.3 kV) high-power power conversion scenarios, mainly used in high-voltage inverters and high-power converters (such as phase modules of ABB ACS6000 series active rectifier units), matching power grid equipment and medium-power industrial drive devices. It can be used with large synchronous generators, Static Var Compensators (SVC), STATCOM flexible AC transmission equipment, HVDC (High-Voltage Direct Current) converter valves and other equipment. Typical applications include power, metallurgy, petrochemical, rail transit, new energy, power plants, steel mills, cement plants, ships, papermaking and other industries, meeting the variable frequency speed regulation needs of industrial equipment such as fans, water pumps, compressors, rolling mills and hoists.
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• Product Features: Compact size, high integration, powerful performance, and excellent current conduction and voltage withstand capability; high electromagnetic immunity suitable for harsh industrial electromagnetic environments and complex working conditions. Modular design facilitates installation, maintenance and system integration, with seamless adaptation to dedicated ABB gate drive units without additional debugging. Original imported product with reliable quality, available nationwide and overseas, with in-stock supply through some channels. It has outstanding advantages such as low on-state loss, high switching speed and snubberless operation, excellent operational reliability, and can effectively increase system power density and drive bidirectional loads.

II. Electrical Parameters

• Rated Voltage: Designed for medium-high voltage applications, the mainstream rated voltage is 6500 V (capable of withstanding high grid voltage levels, suitable for medium-high voltage power systems). In some scenarios, it is marked as 4500 V DC (or AC peak voltage), corresponding to medium-voltage 690 V–3.3 kV systems. It has stable high-voltage blocking capability to meet the high-voltage demands of power systems, medium-high voltage drives and other scenarios. The integrated high-voltage insulation structure allows direct connection to medium-high voltage grids without external step-down transformers, simplifying system design.
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• Rated On-state Current (I_TAVM): It has extremely strong current carrying capacity, with a mainstream rated on-state current of up to 4500 A (continuous on-state current). In some channels, the conventional rated on-state current is 2000 A, and the surge current can reach 40 kA (10 ms, capable of withstanding short-term high-current shocks such as motor startup). It can stably carry high-power load currents, meeting the power demands of medium-high voltage high-power converters and power grid equipment, suitable for 3-phase 50/60 Hz power frequency working conditions and long-term stable operation.
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• Switching Frequency: Designed for medium-high frequency operation, the typical switching frequency is 500 Hz, the conventional switching frequency is 1–3 kHz (typical value for IGCT), and the maximum can reach 40 kHz (in short pulse train mode, suitable for specific high-frequency power conversion scenarios). It has fast switching speed and stable switching without snubber circuits, greatly reducing switching losses, meeting the needs of medium-high voltage power conversion and precise control, adapting to the frequency requirements of industrial drives, power systems and other scenarios, with outstanding application benefits in the range of 500 Hz to 2 kHz.
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• Switching Characteristics: Turn-on and turn-off times are at the microsecond level, with turn-off time ≤5 μs (fast turn-off to reduce switching losses and improve system response speed). A "hard" gate driver can switch the thyristor from a pnpn latched state to pnp mode within 1 μs; turn-off occurs entirely in transistor mode, eliminating the possibility of latching. It can withstand extremely high di/dt and du/dt, reaching ≥5–6 kA/μs (at 20 V gate voltage). When the cathode current is zero, the remaining anode current is fully commutated to the gate unit to maintain a low-impedance mode. Combined with the snubberless turn-off design, it further reduces switching losses, improves overall system operating efficiency, ensures the stability and reliability of the switching process, and is suitable for high-frequency high-power working conditions.
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• Protection Functions: Built-in overcurrent protection, short-circuit protection, over-temperature protection and overvoltage protection can effectively prevent chip damage under abnormal working conditions, resist external interference and attacks, prevent device damage and system fault propagation, and ensure safe and stable system operation. When the module is in an abnormal working state, it can quickly cut off the circuit within 10 μs to protect the module from damage. It has a complete status monitoring function, providing real-time status feedback, rapid fault location, reducing equipment downtime and maintenance times, and meeting the high-reliability requirements of industrial systems.
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• On-state Characteristics: Low on-state voltage drop design (≤2.5 V), inheriting the low on-state loss advantage of thyristors, high current conduction efficiency, further reducing operating losses and optimizing system energy consumption performance, with system conversion efficiency exceeding 98%. The input and output characteristics meet industrial control needs, enabling flexible and precise control with gate drive units in various control scenarios.
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• Control Characteristics: Supports optical fiber transmission of trigger signals, with stronger anti-interference capability suitable for strong industrial electromagnetic environments. The control signal interface is an optical fiber interface with long transmission distance and remote control support. It requires extremely low gate circuit inductance, connected via coaxial gate feedthrough and multi-layer PCB gate drive, avoiding gate over-drive and optimizing gate drive energy consumption. The drive power supply voltage is +15 V/-10 V (standard drive voltage to ensure reliable turn-on and turn-off of IGCT), and the control power consumption is 10–100 W (low-power control to reduce overall system energy consumption). It has good programmability, allowing parameter adjustment according to actual application needs to adapt to different power conversion scenarios, providing strong control and data acquisition support for industrial automation systems and power systems.

III. Structure & Mechanical Characteristics

• Package: Adopts standard industrial module packaging with high integration and compact size. Built-in GTO chip and related control structures, no additional snubber circuits required, with good insulation performance suitable for high-voltage applications. It can be accurately connected with dedicated gate drive units, simplifying system layout and installation processes and reducing system failure points. It adopts a press-pack structure that can be directly mounted on a heat sink, which integrates electrical connection and heat dissipation functions. The compact design greatly reduces module volume and installation space, facilitating integrated applications in limited spaces such as substations and converter stations, and meeting the installation requirements of phase modules of ABB ACS6000 series converters.
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• Dimensions: There are two mainstream standard sizes, one is approximately 300 mm × 200 mm × 100 mm (slightly varies according to specific design), and the other is 86 mm × 36 mm × 67 mm. Both adopt standard high-voltage power module sizes, fitting the installation space of industrial control cabinets, enabling flexible installation in various control cabinets, saving installation space, and facilitating coordinated layout with other equipment to meet the installation needs of medium-high voltage converters and power system equipment.
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• Weight: The weight varies; the mainstream version has a net weight of 10–20 kg (depending on the specific design), and some small versions are lighter. The compact design facilitates installation, disassembly and maintenance, reducing on-site operation difficulty and adapting to the needs of frequent maintenance or replacement in industrial sites.
• Housing Material: Adopts high-strength, high-temperature resistant and corrosion-resistant industrial-grade materials with good insulation performance, effectively resisting dust and moisture erosion in industrial sites, adapting to harsh industrial environments and extending the service life of the chip. The standardized industrial housing design is suitable for various industrial installation scenarios, balancing protection and practicality.
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• Installation: Supports standard industrial installation methods, including 35 mm DIN rail mounting with screw terminals for secure wiring and good contact to avoid local overheating. The standard power module interface enables easy installation in ABB compatible equipment (such as ACS6000 series) and general industrial installation scenarios, allowing rapid integration into existing automation infrastructure. It also supports low-inductance connection to gate drivers to improve operational stability. The press-pack structure can be directly connected to the heat sink to improve heat dissipation efficiency.

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• Environmental Adaptability
• Operating Temperature: -40 ℃ ～ +100 ℃ (conventional working conditions). The industrial-grade wide-temperature design ensures stable operation in extreme high and low temperature environments, adapting to the temperature requirements of different regions and industrial scenarios, and meeting the needs of outdoor or harsh workshop environments such as power systems and industrial drives.
• Storage Temperature: -40 ℃ ～ +85 ℃, humidity range 5%–95% RH (non-condensing), protection class IP20 or higher, effectively resisting dust and moisture erosion, avoiding internal circuit short circuits and extending the service life of the chip. The conventional version’s protection class meets the installation needs of conventional industrial control cabinets, and higher protection class versions are available for special scenarios.
• Mechanical Life: The matching auxiliary contacts (if equipped) have excellent mechanical life, meeting the needs of long-term frequent start-stop industrial applications, adapting to scenarios requiring frequent operation such as industrial automation production lines, generator sets and power systems, reducing equipment downtime and improving system availability.

IV. Functions & Advantages

1. High Power Performance & High Efficiency

2. High Reliability & Strong Environmental Adaptability

3. Easy Integration & Wide Compatibility

4. Precise Control & Easy Maintenance

V. Typical Applications

• Power System Sector: Used in HVDC converter valves and power modules for flexible AC transmission (STATCOM, SVC). In SVC, it can quickly adjust grid reactive power, stabilize grid voltage, control voltage deviation within ±1%, ensure grid power quality and improve power supply reliability, making it one of the core power devices in power systems.
• High-voltage Excitation Control Systems: Mainly used for excitation control of large synchronous generators in hydropower, thermal power and nuclear power plants, optimizing the operating efficiency and stability of generator sets, ensuring safe and efficient power generation and stable power supply.
• Industrial Automation: Suitable for medium-high voltage high-power converters for variable frequency speed regulation of industrial equipment such as fans, water pumps, compressors, rolling mills and hoists, realizing precise speed and voltage regulation of industrial equipment. It is especially suitable for phase modules of ABB ACS6000 series active rectifier units, performing excellently in variable frequency speed regulation systems of steel mill rolling mills, improving the reliability and efficiency of industrial drive systems, and is widely used in metallurgy, petrochemical, cement, papermaking and other industries.
• Power Electronics: Used in power converters, Static Var Compensators (SVC), power electronic converters and other equipment to realize efficient AC-DC conversion and power quality optimization, improving the stability and reliability of power systems. It is also used in high-voltage inverters to meet the power conversion needs of high-voltage power supply scenarios.
• New Energy: Suitable for high-voltage side power units of wind power converters and photovoltaic inverters for power conversion and grid connection control of new energy power, improving the utilization rate and grid connection stability of new energy power and supporting the development of the new energy industry.
• Transportation: Can be used in traction systems of electric locomotives to realize efficient control of traction motors, improving the operational stability and energy efficiency of rail transit equipment. It is also suitable for generator set control of large ships to control the speed of main or auxiliary engines and ensure reliable operation at sea.