Understanding why IGBT is used in inverter applications helps in proper implementation: High Voltage Handling – Supports hundreds to thousands of volts. Fast Switching – Reduces power loss in high-frequency circuits. Efficiency – Lower heat generation compared to older transistors. Reliability – Robust under heavy loads when used correctly.
Protect your IGBT with: Reduce voltage spikes during switching. Common types: RC snubbers, diode-clamped snubbers. Use desaturation detection (DESAT) circuits. Fast-acting fuses can prevent catastrophic failure. Before finalizing your IGBT inverter, test thoroughly: Check Switching Waveforms – Use an oscilloscope to verify clean transitions.
Medium power drives rated for greater than 100 kW can have IGBT modules with gate charges up to 10 μC, necessitating high peak currents to turn on and off the IGBT. Gate driver ICs have a limited peak current capability; typical values are 2.5 A for source and 5 A for sink.
In modern power conversion systems, from variable frequency drives (VFDs) to solar inverters and electric vehicle powertrains, the Insulated Gate Bipolar Transistor (IGBT) is the workhorse. The relentless push for higher efficiency, greater power density, and lower system costs has driven the development of faster-switching IGBTs.
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The IGBT’s short circuit withstand capability is defined as the start of the short-circuit current until the module is destroyed. Therefore, when the IGBT is short-circuited, large …
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Customer ServiceThis low threshold voltage makes the so-called shoot-through fault severer. Even though the switching speed of the IGBT is intentionally reduced, the shoot-through fault can …
Customer ServiceOverview Paralleling IGBTs become necessary for power conversion equipment with higher output power ratings, where a single IGBT cannot provide the required load …
Customer ServiceInverter power switch short-circuit protection is fully integrated. A desaturation detection circuit is embedded in both the high- and low-side output stages and monitors the …
Customer ServiceMastering IGBT Protection: A Deep Dive into Active Clamping for Turn-Off Overvoltage Suppression The Unseen Threat: Why Turn-Off Overvoltage is a Critical …
Customer ServiceLearn the correct methods for using IGBT in inverter circuits to manage high power efficiently and safely.
Customer ServiceINTRODUCTION This application note provides practical guidelines for designing with the Motion SPM 5 Series power modules. This series of Intelligent Power Modules (IPM) for 3−phase …
Customer ServiceIn power electronics like IGBT7 modules, thermal cycling is also important because load cycling and switching losses can cause temperatures to fluctuate significantly. Moisture …
Customer ServiceIn power electronics like IGBT7 modules, thermal cycling is also important because load cycling and switching losses can cause temperatures to fluctuate significantly. Moisture resistance and high-voltage protection …
Customer ServiceThis application note talks about some of the common failure modes of the SiC and IGBT power switches, characteristics, the best suitable protection approach based on the …
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