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The transformer parallel operation can improve effectively the grid operation, protect critical loads power supply reliability and quality. Conditions of transformer parallel, focusing on computational analysis the differences of short-circuit impedance and transformation ratio, causes transformer circulation and the sharing loads of the transformer parallel. At the same time, it applied to the project...
Cloud computing, which has emerged as one of the most influential paradigms in the IT industry in recent years, is powered by the concept of virtualization technology. For achieving energy efficiency, load balancing and high availability of physical server in Cloud Data Center, the virtual machines should be migrated from one physical server to another. During the migration process, some steps should...
To solve the trustworthiness of reusable test cases, a trustworthiness framework of reusable test cases is proposed in this paper, including the analysis of trustworthiness attributes and trustworthiness evidence. Furthermore, the trustworthiness assurance processes related are presented to support management activities of reusable test case.
As the most important equipment in compressor station, the performance of centrifugal compressor unit is highly concerned with safety production and economic benefits of gas-transmission enterprise. In order to ensure well operating condition of centrifugal compressor unit, we should firstly make clear the design principle of index system of risk assessment, and establish the reliability block diagram...
An interval reliability analysis based on combination of the minimal path method for load point reliability evaluation is presented, aiming at figuring out the uncertainty and ambiguity of reliability parameters and load changing. According to the complexity of distribution network, this new algorithm sort the elements, as the result, which can rapidly obtain the reliability indices of individual...
The reliability of multicast communication has a strong challenging area of research and very popular in current computer networks. In this paper, based on the high reliability transmission, we proposed a minimum cost with delay-constrained multicast routing algorithm named MART, and described a network topology model with multiple QoS-constrained. The algorithm tries to minimize the cost of multicast...
This paper presents an information exchange platform to meet the communication requirements of modern intelligent power distribution and utilization management system. We present the main components, operating principles and application effects of our exchange platform. This platform provides management, configuration, exchanging, monitoring service for communication and running requirements, and...
A framework is presented to model Internet of Things and analysis its running quality based on MDA, and an automatic solution is provided through a set of software tools. Firstly, modeling is executed to the instance of an Internet of things; then transforming the MARTE model to the related automaton models is done, based on the manual mapping rule from MARTE meta-model to related automaton meta-model;...
The communication services for smart grid are required to be reliable, real-time, flexible and diverse. However, the existing Ethernet technology cannot solve the problem how services with different requirements co-exist in the same network. Based on the connection-oriented packet transport network (PTN) switching technology and the multi-path rapid protection (PRP) technology, a novel industrial...
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