Description

ABB 5SHX14H4502 3BHB003230R0101

I. Basic Information

Brand: ABB
Model: 5SHX14H4502
Order Number: 3BHB003230R0101
Type: High-voltage thyristor module (belongs to ABB's power semiconductor product line, commonly used in power electronics converter devices).
Application Scenarios:

High-voltage direct current (HVDC) transmission, flexible alternating current transmission systems (FACTS).
Industrial frequency converters, motor drive systems (e.g., mill drives, fan and pump control).
Power system reactive power compensation (SVC/SVG), solid-state circuit breakers (SSCB), etc.

II. Functional Features

1. High-Voltage and High-Current Handling Capability

Rated Voltage: Typically suitable for high-voltage scenarios at the kV level (specifically refer to the technical manual, e.g., 4500V class).
Current-Carrying Capacity: Can withstand high pulse currents and continuous currents (e.g., peak currents in the thousands of amperes), adapting to high-power energy conversion requirements.
High Reliability: Adopts ceramic packaging or press-fit structures, with excellent electrical insulation and thermal conductivity, suitable for long-term full-load operation.

2. Precise Control and Fast Response

Trigger Characteristics: Supports high-precision gate trigger control, enabling precise adjustment of the conduction timing through external signals (e.g., pulse transformers).
Switching Speed: Suitable for medium-to-high-frequency switching scenarios (e.g., in the hundreds of Hz range), meeting the high dynamic response requirements of power electronics systems.

3. Heat Dissipation and Mechanical Design

Efficient Heat Dissipation: Built-in large-area metal substrates or water-cooling channels, combined with external radiators or water-cooling systems, ensure junction temperature is controlled within a safe range (e.g., ≤125°C).
Mechanical Strength: Modular design facilitates installation and replacement, supporting bolt-fixed or press-fit mounting, and adapting to vibrating environments.

4. Protection and Diagnostic Functions

Built-in Protection: Some models integrate voltage/current sensors or temperature monitoring elements, supporting overheat and overcurrent warnings.
Fault Tolerance: System reliability is enhanced through redundancy design or parallel configuration (needs to be combined with specific application scenarios).

5. Compatibility and Expandability

Multi-Module Series/Parallel Connection: Can be combined into valve stacks to meet higher voltage or current rating requirements (e.g., HVDC converter valves).
Control System Adaptability: Compatible with ABB's PCS 600 series controllers or third-party control platforms to achieve closed-loop control.

III. Technical Parameters

Parameter	Description
Rated off-state repetitive voltage	4500 V (VDRM/VRRM)
Average on-state current	1400 A (IT(AV), under rated conditions)
Non-repetitive peak surge current	30 kA (ITSM, 8/20μs pulse)
Gate trigger current/voltage	Typical values: Igt ≤ 200 mA, Vgt ≤ 5 V
Junction temperature range	-40°C ~ +125°C (Tj)
Packaging type	Press-fit ceramic packaging (e.g., planar structure)
Dimensions	Diameter approx. 120 mm, thickness approx. 40 mm (refer to specific specifications)
Certifications	Compliant with IEC 60747-6, IEEE standards; may have UL, CE, etc., certifications

IV. Application Scenarios and Supporting Systems

1. Typical Applications

HVDC Transmission Systems: As a core component of converter valves, enabling AC/DC power conversion (e.g., submarine cable transmission connecting onshore grids with offshore wind power).
Industrial Variable Frequency Drives: In drive systems for large motors (e.g., synchronous and asynchronous motors) in steel, papermaking, etc., to achieve speed and torque control.
Power System Stabilization Devices: Used in SVC (static var compensators) or STATCOM (static synchronous compensators) to regulate grid reactive power and improve power quality.

2. Supporting Products

Driving and Control Modules: Such as ABB's 5SDD series trigger units for generating gate pulse signals.
Cooling Systems: Water-cooled radiators (e.g., ABB water-cooled plates) or air-cooled devices to ensure module heat dissipation efficiency.
Protection Components: Surge arresters, fast fuses (e.g., ABB semiconductor protection fuses) to prevent overvoltage/overcurrent damage.

V. Installation and Maintenance Recommendations

1. Installation Key Points

Mechanical Installation:

Ensure close contact between the module and radiator, using thermal grease or gaskets to reduce thermal resistance.
Tighten bolts to the torque specified in the manual (e.g., 25 N·m) to avoid stress damage to the packaging.

Electrical Connections:

Use copper busbars or large-section cables for main circuit wiring to reduce line impedance and heat generation.
Gate signal wires should be routed independently to avoid electromagnetic interference (EMI) affecting trigger reliability.

2. Routine Maintenance

Condition Monitoring:

Regularly inspect the module surface for cracks or burn marks, and check the cooling system (e.g., water flow, fan operation status).
Monitor module temperature with an infrared thermometer to ensure the junction temperature does not exceed the rated value.

Parameter Testing:

Use specialized testing equipment (e.g., thyristor testers) to measure parameters such as forward voltage drop and off-state resistance to assess device aging.

Fault Handling:

If the module is damaged (e.g., breakdown, open circuit), replace it as a whole and check the drive circuit and system protection functions for abnormalities.

ABB 5SHX14H4502 3BHB003230R0101 IGCT Module