Abstract
AbstractAlong with the usage of green energy, electricity, and the advanced innovation of energy, new power services will grow explosively, such as distributed photovoltaic, electric vehicle charging pile and so on. As a result, the interaction mode ‘source-net-load–storage’ will change. Aiming to promote the power grid operation and service level, it is required to improve the ability of distribution network control and awareness, especially the ability of real-time operating state collection in the low voltage power grid (380 kv / 220 kv). Power wireless private network based on TD-LTE is one of the most important technologies to realize the power terminal access and data collection which can solve the ‘last mile’ problem of terminal access. However, the wireless communication capacity is limited by the bandwidth, frequency, technology, etc. In this paper, we analyze the requirements of power grid basic services for TD-LTE wireless private network. And the basic services include power utilization inform...
Highlights
With the rapid development of society, energy problem has received more and more attention
We simulated the latency in Distribution automation (DA) service
The results shows that the power wireless private network based on TD-LTE need reserved at least three or four resource block (RB) for the four basic power services which can guarantee that the latency of the DA is less than 1 s
Summary
With the rapid development of society, energy problem has received more and more attention. In China, the wireless communication methods used by state grid mode mainly include wireless public network and wireless private network. Wireless private network is an important method to build a high-speed, reliable, and flexible power distribution network and to solve the full coverage and full information collection problem. The basic services include power utilization information collection, distribution automation, distributed photovoltaic and electric vehicle charging pile. In all kinds of power service, there are four basic services, power utilization information collection, distribution automation, distributed photovoltaic and electric vehicle charging pile. These four basic services are working with the help of wireless public network
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