Ningbo Chen, Xiaoting Xia, Quratulain Hanif, Fengwei Zhang et al.
Indicine cattle, also referred to as zebu (Bos taurus indicus), play a central role in pastoral communities across a wide range of agro-ecosystems, from extremely hot semiarid regions to hot humid tropical regions. However, their adaptive genetic changes following their dispersal into East Asia from...
Yuan Ling, Zhang Xian-fei, Jianyong Zheng, Mei Jim et al.
There is significant negative impact due to an unintended islanding supported in DG systems, resulting in developing passive and active methods to detect and eliminate islands. Many active techniques have been directed towards frequency shift method, in which active frequency drift (AFD) method is c...
Jun Mei, Zheng Jianyong, HU Ming-qiang, Rao Ying
The Saber is the most powerful simulator in the power electronics field of the world. This paper introduces the characteristics of the IGBT1 model and choice of the parameters under Saber, and explains the characteristic of the model to a kind of DC solid-state switch. Through calculating and analyz...
Tongsheng Sun, Jinfei Shi, Zhisheng Zhang, Jianyong Zheng
In order to realize the optimal temperature control for microwave hot in-place recycling of asphalt pavements, the electric field in heating process was solved based on the radio propagation principle, and the equation of heat flow control was established by the theory of permeability plate. The tem...
Xiao Han, Song Shan, Yang Wang, Mengfan Wang et al.
With the development of wind-solar-battery power system and the increasingly strict requirements of consumers for power quality, it is of great significance to evaluate the power quality of wind-solar-battery power system both accurately and comprehensively. This paper constructs the evaluation inde...
Rui Zhu, Jianyong Zheng, Fei Mei, Yi Pan et al.
Considering the influence on operation of multienergy system from the uncertainty of source-load and analyzing the randomness and fuzziness of renewable energy and loads of cooling, heating and power. The distribution of renewable energy and loads of cooling, heating and power is built through 2-sta...
Fei Mei, Wang Li, Zha Shengsen, Zheng Jianyong
In order to solve the problem of power supply shortage in certain region of Nanjing city, a high‐voltage direct current (HVDC) flexible transmission project needs to be constructed. It could be the first project with ±380 kV DC and real bipolar connection in the world. Two new converter stations wil...
Chen Chen, Tao Zhe, Zheng Jianyong, Mei Fei et al.
Kangli Wu, Jianyong Zheng, Yuting Ding, Xiaoyi Liu et al.
To address the challenges of strong coupling between resource allocation and collaborative scheduling in vehicle–UAV cooperative inspections of power distribution lines, as well as the difficulty in balancing efficiency and stability, this paper proposes a path-scheduling feedback-based evolutionary...
Kuxiao WU, Jianyong Zheng, Tao Guo, Jing Zhang et al.
To address the efficiency limitations of vehicle--UAV collaborative operations in large-scale, high-frequency inspections of flexible DC transmission lines, this paper proposes a path--energy coordinated bi-level nested optimization framework, targeting the inherent strong coupling among vehicle pat...
Yi Pan, Fei Mei, Yaming Geng, Yu Chai et al.
In order to improve the accuracy of the fault diagnosis of high voltage circuit breaker, an improved DAG-SVM method which is based on the original DAG-SVM is proposed in this paper. The separating characters of samples are evaluated by the average similar measure which contributes to selecting the p...
Qiuyao JI, Fei Mei, Fan Zuo, Yongzheng Dai et al.
Fast development of smart grid has made it essential to promote the intelligent level of electrical equipment. As circuit breakers is an important kind of control and protection equipment in power system, its on-line monitoring and fault diagnosis are significant parts of electrical equipment intell...
Jianyong Zheng
Laying 500 kV electric cables on steel-box suspension bridge will produce alternative power frequency magnetic field in the bridge space,which may have adverse effects on pedestrian and electric equipments on the bridge.The method for calculating the power frequency magnetic field of 500 kV electric...
Jianyong Zheng
The communication of sampled analogue values(SAV) between process layer and bay layer in substation was defined by the specific communication service mapping(SCSM) of IEC 61580 standard and two types of SCSM were defined:unidirectional multi-loop point to point specific service mapping based on IEC ...