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Single line diagram of distribution network in power system played a key role to the daily maintenance, it has long been relying on manual drawing, but with the increase in the number of equipment in distribution network, artificial drawing difficulty increases gradually, and artificial drawing errors have been more, for the production and maintenance of distribution network has also had a negative...
Considering the fact that the optimal operation of micro grid is an economic dispatch of a dynamic system, the study investigates the establishment of the dynamic optimization model for optimally operating micro grid and attempts to solve the model. In view of the significance of the economic operation, for optimally determining the power outputs of each micro source and the power import from/export...
In this paper, considering the decode-and-forward (DF) relay scheme, we study the optimal design of power allocation for orthogonal frequency division multiplexing (OFDM) secure communication, where the relay carries out wireless information and power transfer (WIPT) by time switching(TS) scheme. Our objective is to maximize the achievable secrecy rate subject to the power constraint of the source...
With the development of smart grid, distribution networks reconfiguration becomes more and more important in distribution automation. Combining with distribution networks configuration, this paper proposes a Discrete Firefly Algorithm and a new update operation strategy that suits the algorithm. Firstly, the algorithm uses decimal encoding strategy to shorten the code length and avoid producing unavailable...
In this paper, a novel electric power source structure optimization (EPSSO) scheme is proposed to achieve the sustainable development objectives of economic growth, electricity demand and environmental protection. Different from power generation expansion planning (PGEP), the proposed EPSSO method evaluates the optimal investment scheme for a long-term power generation expansion from the viewpoints...
The application of lightweight robotic arms is having been expanded from factory automation to the service areas. It is significant to make lightweight robotic arms much safer and lighter for human-robot co-existence. This study presents an overall structure optimization design approach to minimize the mass of the lightweight robotic arm with the constraints on structural strength and drive trains...
Distribution network and power users are most closely linked. Planning distribution network reasonably, making the use of electricity energy safe, reliable, efficient as well as taking the economic and environmental development into account at the same time will become a general direction of current distribution network research. So considering the economy of distribution network in distribution network...
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