Abstract:

This paper aims to achieve real-time and reliable active support and operation control networks of wind turbines and meet the response time requirements of power grid dispatch. To meet the demands of multiple-service and high-traffic communication, this paper proposes a new network model based on time-sensitive network (TSN) technology. Through an optimized algorithm, the communication time slots for each service instruction are allocated, enabling single-point-to-single-business communication and ensuring real-time and reliable business communication. Experimental results show that under multi-service communication situations, this slot allocation algorithm can effectively divide the transmission intervals between services, control the delay and jitter of each service, and improve the real-time performance of the business. Therefore, the wind turbine communication network is transformed from a traditional “best effort” type Ethernet to a TSN, which can avoid resource conflicts in multi-service communication and satisfy the needs of deterministic and timely important data communication, improving the active support capability of wind turbines.

Key words: time sensitive, time synchronization, active support, time slot, gating strategy, delay, flow classification