Research on Parallel Operation Technology of Following-Setting Compensation Mode Arc-Suppression Coils

2014 ◽  
Vol 532 ◽  
pp. 595-602 ◽  
Author(s):  
Bo Cai
Keyword(s):  
Power Distribution ◽  
Control Technology ◽  
Parallel Operation ◽  
Power Distribution Network ◽  
Chinese Library Classification ◽  
Capacitive Current ◽  
Arc Suppression Coil ◽  
Operational Characteristics ◽  
Actual Field ◽  
Loop Closing

currently, more and more following-setting compensation arc suppression coils are applied. When the power distribution network is operated in a loop closing mode, the problems about the parallel operation of the following-setting compensation arc suppression coils are caused. On the basis that the operational characteristics of the following-setting compensation arc suppression coils are analyzed, the improved master-slaved type automatic control technology of the parallel operation of the multiple following-setting compensation suppression coils is proposed. When the capacitive current is calculated, all slave arc suppression coils should go into service with the respective compensating capacity of each when operated on the respective shunt, then the master arc suppression coil is adjusted, and therefore the calculation accuracy is guaranteed. After the calculation of the capacitive current is completed, the compensating current should be proportionally distributed according to the capacity of the arc suppression coils so that the loads of all the arc suppression coils are balanced. The technology is mature and reliable and the practicability of the technology is fully proved by the actual field operation. Chinese library classification number: TM475;TM761

Study on the Application of PNT Technology in the Flow Control Technology of Power Distribution Network

2014 ◽  
Vol 687-691 ◽  
pp. 3371-3374
Author(s):  
Rui Lin Xu ◽  
Xin Xu ◽  
Hai Jun Ren ◽  
Xiao Ping Qiu
Keyword(s):  
Flow Control ◽  
Power Distribution ◽  
Network Flow ◽  
Power Grid ◽  
Distribution Network ◽  
Utilization Rate ◽  
Control Technology ◽  
Network Resources ◽  
Power Distribution Network ◽  
Effective Utilization

With the continuously intelligence of power grid, and as an important part of it - the power distribution network is undertaking a variety of tasks, result in flow in the network increasing sharply and then arising much block in the business of power distribution network, therefore, how to efficiently operate the distribution network is imminent. In this paper, we apply the PNT technology to solve it. Firstly, introducing what the PNT is, and then describing its application in the power distribution network, bringing out its principle, operation framework and so on. After analyzing, we find that it really succeed in improving effective utilization rate of the network resources, such as routers, links and so on, and also can reroute the business data flow when there is a failure in the path. At last, put forward its achievement in the control of power distribution network flow.

Research on transformer vibration monitoring and diagnosis based on Internet of things

2021 ◽  
Vol 30 (1) ◽  
pp. 677-688
Author(s):  
Zhenzhuo Wang ◽  
Amit Sharma
Keyword(s):  
Internet Of Things ◽  
Power Distribution ◽  
Vibration Analysis ◽  
Vibration Monitoring ◽  
Power Transformers ◽  
Normal Operation ◽  
Analysis Method ◽  
Power Distribution Network ◽  
Monitoring And Diagnosis ◽  
Distribution Transformers

Abstract A recent advent has been seen in the usage of Internet of things (IoT) for autonomous devices for exchange of data. A large number of transformers are required to distribute the power over a wide area. To ensure the normal operation of transformer, live detection and fault diagnosis methods of power transformers are studied. This article presents an IoT-based approach for condition monitoring and controlling a large number of distribution transformers utilized in a power distribution network. In this article, the vibration analysis method is used to carry out the research. The results show that the accuracy of the improved diagnosis algorithm is 99.01, 100, and 100% for normal, aging, and fault transformers. The system designed in this article can effectively monitor the healthy operation of power transformers in remote and real-time. The safety, stability, and reliability of transformer operation are improved.

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