Accession Number : AD1046887

Title :   An Adaptive, Multi-Rate Linear Quadratic Regulator for a Shipboard MVDC Distribution System with Constant Power Loads

Descriptive Note : Technical Report

Corporate Author : Naval Postgraduate School Monterey United States

Personal Author(s) : Mills,Adam J

Full Text :

Report Date : 01 Sep 2017

Pagination or Media Count : 145

Abstract : Future U.S. Navy warships will have DC electrical distribution systems. These distribution system swill include multiple layers of electronic power converters. When coupled to high-bandwidth controllers, power converters behave as constant power loads to the distribution system. Constant power loads have a negative non-linear impedance characteristic that threatens system stability. Many different single-input control schemes have been applied to DC microgrids with constant power loads. In this work we propose a centralized select-matrix, multi-rate linear quadratic regulator (LQRSM)-based control scheme to provide a flexible and adaptable controller for high-order, multi-input, and multi-rate distribution systems.

Descriptors :   GENETIC ALGORITHMS , integrated systems , voltage , direct current , electrical loads , ELECTRIC POWER DISTRIBUTION , POWER CONVERTERS , NAVAL VESSELS , ELECTRICAL MICROGRIDS

Subject Categories : Electric Power Production and Distribution

Distribution Statement : APPROVED FOR PUBLIC RELEASE