Beijing Zhigu Rui Tuo Tech Co., Ltd

Guodian United Power Technology Company Ltd.

Lei Pan

Lin Du

Ling Yuan

Jingchun Chu

Ting Wang

Qian Wang

Kuifei Yu

Hongjiang Zhang

Yanping Li

Yan Ding

Chong Jiao

Wen Du

Wenchao Chen

Xuefeng Lin

Fa Xie

Fayong Jia

A simulation evaluation model of a high voltage ride through capability includes a wind turbine system aerodynamic model, a torque control model, a converter model, and a high voltage fault generating device model connected in sequence; the wind turbine system aerodynamic model is configured to calculate an airflow input power; the torque control model is configured to calculate a rotor electromagnetic torque according to the airflow input power; the high voltage fault generating device model is configured to simulate a high voltage fault and output a predetermined voltage on a low voltage side of a transformer; and the converter model is configured to calculate a stator reactive current, an active power and a reactive power of the wind turbine system during the high voltage fault according to the airflow input power, the rotor electromagnetic torque and the predetermined voltage on the low voltage side of the transformer.

Simulation evaluation model of high voltage ride through capability, simulation evaluation method based on the same and storage medium

An ocean tidal current energy power generating system, including a fixing mechanism, an ocean tidal current energy power generator set and a signal monitoring mechanism. The fixing mechanism includes floating bodies, fixing rods, horizontal supporting rods, and a working platform; the floating bodies are fixed to seabed by means of anchor chains; the fixing rods are fixed to the floating bodies; the horizontal supporting rods and the working platform are respectively fixed to underwater portions of the fixing rods and overwater portions of the fixing rods. The power generator set includes underwater assemblies and an overwater assembly. Each underwater assembly includes blades, a hub, a main shaft, a gear box, a coupling, a power generator, a stern cabin and a yawing mechanism, successively connected to each other; a variable pitch mechanism is disposed in the hub.

Ocean tidal current energy power generating system

A method includes: a server sending at least one piece of video related information to at least one client, where an image of a frame in a video corresponding to the video related information is formed of multiple sub-regions; the client receiving a video and the video related information sent by the server; selecting a sub-region; analyzing the video according to the sub-region and generating corresponding video analysis information; returning the video analysis information to the server; the server receiving the video analysis information returned by the at least one client; and adjusting the video related information according to the video analysis information. The server and client include modules for implementing functions in the method. Processing cost of the video server is reduced and the efficiency and accuracy of video analysis is improved.

Server, client and video processing method

The present application provides an interaction method and system, and relates to the field of information interaction. The method comprises: sending a first wave signal; receiving a second wave signal that corresponds to the first wave signal after the first wave signal is transmitted by using a medium comprising at least a part of a user body; and judging whether the user body contacts an object according to a signal characteristic of the received second wave signal. The interaction method and system can help a user to naturally and efficiently complete an information interaction process, simplify an interaction process, and improve the interaction efficiency.

Interaction methods and systems

The present application provides an interaction method and system, and relates to the field of information interaction. The method comprises: in response to contact between a user body and an object, receiving a wave signal that is sent by the object and is transmitted by using a medium comprising at least a part of the user body. The system comprises: a receiving apparatus, configured to: in response to contact between a user body and an object, receive a wave signal that is sent by the object and is transmitted by using a medium comprising at least a part of the user body. The interaction method and system can help a user to naturally and efficiently complete an information interaction process, simplify an interaction process, and improve the interaction efficiency.

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Beijing, China

Lei Pan