A DC microgrid has many advantageous features, such as low power losses, zero reactive power, and a simple interface with renewable energy sources (RESs). bipolar is also highlighted due to its high-power quality, improved reliability, enhanced system efficiency. However, the high bus voltage fluctuation load unbalance between poles. Therefore, this paper analyzes that can occur in microgrid. A...

This paper presents PADS, a policy architecture for building distributed storage systems. A policy architecture has two aspects. First, a common set of mechanisms that allow new systems to be implemented simply by defining new policies. Second, a structure for how policies, themselves, should be specified. In the case of distributed storage systems, PADS defines a data plane that provides a fix...

Large-scale, distributed computer systems are less reliable than their smallscale, non-distributed counterparts. A significant proportion of the reliability problems are due to the very poor scalability of manual storage management techniques—the reclamation of unused storage in particular. The bulk of automatic garbage reclamation in both message-passing and shared memory systems, with certain...

In many computer labs, there are large numbers of computers with unused drive space. There may also be relatively large quantities of data to be backed up. The goal of this project was to develop a system for storing data distributed over many computers, with enough redundancy so that data can still be recovered if several of the machines are unavailable (due to inevitable hardware failure). Th...

This paper proposes a distributed strategy to control multiple battery energy storage systems (BESS) delivering fast frequency response in low-inertial power with high penetration of renewable sources. A novel algorithm is designed optimise the operation an arbitrary number BESS while incorporating frequency-related constraints meet service requirements response. The proposed uses consensus-bas...