Advanced High Voltage Power Device Concepts - download pdf or read online

By B. Jayant Baliga

ISBN-10: 1461402689

ISBN-13: 9781461402688

ISBN-10: 1461402697

ISBN-13: 9781461402695

The units defined in “Advanced MOS-Gated Thyristor suggestions” are used in microelectronics construction gear, in energy transmission apparatus, and for terribly excessive strength motor keep an eye on in electrical trains, steel-mills, and so forth. complicated thoughts that let enhancing the functionality of energy thyristors are mentioned the following, besides units with blockading voltage features of 5,000-V, 10,000-V and 15,000-V. through the booklet, analytical types are generated to permit an easy research of the buildings and to acquire perception into the underlying physics. the result of two-dimensional simulations are supplied to corroborate the analytical versions and provides larger perception into the equipment operation.

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Extra resources for Advanced High Voltage Power Device Concepts

Example text

In the future, power MOSFET structures with reduced specific on-resistance may be possible by using GaN HEMT structures [27]. The HEMT structure creates a very high sheet charge electron density between the gate and the drain, resulting in reduced specific on-resistance. The cost for these devices is reduced, making their manufacturability viable, by the growth of the GaN layer on silicon substrates. The reverse recovery behavior of the fly-back rectifiers used across each of the power switches also plays a major role in determination of the power losses.

The value predicted by the analytical model is smaller than this value because the analytical model does not account for the voltage being supported in the P-base region due to its graded doping profile. The leakage current density increases with decreasing lifetime as predicted by the analytical model (see Fig. 8) due to enhanced space charge generation. The voltage is primarily supported in the thyristor within the N-drift region. This is illustrated in Fig. 11 where the electric field profiles are shown during operation in the forward blocking mode at various positive anode bias voltages.

B. J. Baliga, “Advanced Power MOSFET Concepts”, Springer Science, New York, 2009. 3. H. Akagi, “Large Static Converters for Industry and Utility Applications”, Proceedings of the IEEE, Vol. 89, pp. 976–983, 2001. 4. B. J. Baliga, “Silicon Carbide Power Devices”, World Scientific Press, Singapore, 2005. 5. J. Wang, et al, “Smart Grid Technologies: Development of 15-kV SiC IGBTs and Their Impact on Utility Applications”, IEEE Industrial Electronics Magazine, pp. 16–23, June 2009. 6. B. J. Baliga, “Enhancement and Depletion Mode Vertical Channel MOS-Gated Thyristors”, Electronics Letters, Vol.

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Advanced High Voltage Power Device Concepts by B. Jayant Baliga


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