Download e-book for iPad: Mitigation of Negative Impedance Instabilities in DC by Deepak Kumar Fulwani, Suresh Singh

By Deepak Kumar Fulwani, Suresh Singh

ISBN-10: 9811020701

ISBN-13: 9789811020704

ISBN-10: 981102071X

ISBN-13: 9789811020711

This e-book makes a speciality of the mitigation of the destabilizing results brought by means of consistent strength quite a bit (CPLs) in numerous non-isolated DC/DC converters and island DC microgrids utilizing a strong non-linear sliding mode regulate (SMC) process. This ebook validates theoretical ideas utilizing real-time simulation reports and implementations. Novel sliding mode controllers are proposed to mitigate destructive impedance instabilities in DC/DC enhance, greenback, buck-boost, bidirectional buck-boost converters, and islanded DC microgrids. In every one case, the for the large-signal balance of the converter feeding a CPL is demonstrated. An SMC-based nonlinear keep watch over scheme for an islanded DC microgrid feeding CPL ruled load is proposed with a purpose to mitigate the destabilizing impact of CPL and to make sure method balance below quite a few working stipulations. A restrict on CPL energy is additionally proven to make sure process balance. For all proposed ideas, simulation experiences and implementations are supplied to validate the effectiveness of the proposed sliding mode controllers.

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Additional resources for Mitigation of Negative Impedance Instabilities in DC Distribution Systems: A Sliding Mode Control Approach

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50(4), 2314–2322 (2014) 89. : Nonlinear control for a bidirectional power converter in a dc microgrid. In: 9th IFAC Symposium on Nonlinear Control Systems (NOLCOS), pp. 359–364. IFAC (2013) 90. : A power shaping stabilizing control strategy for dc power systems with constant power loads. IEEE Trans. Power Electron. 23(6), 2982–2989 (2008) 91. : Amplitude death solutions for stabilization of dc microgrids with instantaneous constant-power loads. IEEE Trans. Power Electron. 28(1), 247–253 (2013) 92.

13(3), 44–57 (2015) 14. : Dc, come home: Dc microgrids and the birth of the “enernet”. IEEE Power Energy Mag. 10(6), 60–69 (2012) 15. AalborgUniversity: Intellegent dc microgrid living lab (2015). dk/ research-programmes/microgrids/activities/intelligent-dc-microgrid-living-lab/. Accessed 28 July 2015 16. : Guest editorial special section on applications of smart grid technologies on power distribution systems. IEEE Trans. Smart Grid 3(2), 849 (2012) 17. : Edison redux: 380 vdc brings reliability and efficiency to sustainable data centers.

16 Block diagram of passivity based control techniques taneous power. This basically results in a linear system, thus eliminates the nonlinearity introduced by the CPL. The power shaping control strategy is relatively easy in design and implementation, and results in the desired regulation of dc bus, while maintaining large-signal stability. The authors in [90], have proposed stabilization of a dc distribution system supplying constant power loads using power stabilization control strategy. 10 Coupling Based Techniques An amplitude death solution or coupling based technique, is basically coupling induced stabilization of the equilibrium points of an unstable dynamic system [91–93].

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Mitigation of Negative Impedance Instabilities in DC Distribution Systems: A Sliding Mode Control Approach by Deepak Kumar Fulwani, Suresh Singh


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