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浏览/检索结果: 共6条，第1-6条 帮助 限定条件 发表日期：2019    专题：兰州理工大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Analysis of Output Characteristics of a Microgrid Based on Modular Multilevel Converter Half-Bridge Series Structure 期刊论文 Diangong Jishu Xuebao/Transactions of China Electrotechnical Society, 2019, 卷号: 34, 期号: 10, 页码: 2130-2140 作者:  Wang, Xinggui;  Xue, Sheng;  Li, Xiaoying 收藏  |  浏览/下载：26/0  |  提交时间：2020/11/14 Electric inverters  Electric power transmission networks  Equivalent circuits  Corresponding solutions  High output voltage  Islanding operations  Micro grid  Modular multi-level converters  Output characteristics  Theoretical derivations  Three phase inverter systems   A fault detection method for photovoltaic systems based on voltage and current observation and evaluation 期刊论文 Energies, 2019, 卷号: 12, 期号: 9 作者:  Pei, Tingting;  Hao, Xiaohong 收藏  |  浏览/下载：16/0  |  提交时间：2020/11/14 Open circuit voltage  Photovoltaic cells  Fault characteristics  Maximum power point  On-line fault detection  Partial shading  Photovoltaic arrays  Photovoltaic systems  Power generation systems  Safety and efficiencies   A Fault Detection Method for Photovoltaic Systems Based on Voltage and Current Observation and Evaluation 期刊论文 ENERGIES, 2019, 卷号: 12, 期号: 9 作者:  Pei, Tingting;  Hao, Xiaohong 收藏  |  浏览/下载：0/0  |  提交时间：2019/11/15 photovoltaic (PV) arrays  fault detection  voltage indicators  current indicators  partial shading   Influence of Suction Pressure on Cavitation Characteristics of External Gear Pump 期刊论文 Nongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery, 2019, 卷号: 50, 期号: 3, 页码: 420-426 作者:  Li, Mingxue;  Yang, Guolai;  Li, Xiaoqing 收藏  |  浏览/下载：21/0  |  提交时间：2020/11/14 Atmospheric pressure  Cavitation  Computer simulation  Environmental regulations  Fuel injection  Fuels  Hydraulic equipment  Numerical methods  Numerical models  Testing  Visualization  Volume fraction  Vortex flow  Cavitation characteristics  Cavitation intensity  Cavitation phenomenon  External gear pumps  Fuel injection systems  Simulation and visualizations  Suction pressures  Vapor volume fraction   Design of wireless remote fire alarm system for underground coal mine 期刊论文 International Journal of Electrical Engineering, 2019, 卷号: 26, 期号: 1, 页码: 1-6 作者:  Kong, Ling-Jie 收藏  |  浏览/下载：14/0  |  提交时间：2020/11/14 Coal  Fire alarm systems  Fires  Global system for mobile communications  Integrated circuit design  Anti-interference  Dangerous situations  Ground monitoring  Real time monitoring  Simulation tests  Underground coal mine  Warning mechanisms  Wireless communications   Design of full bridge high voltage pulser for sandwiched piezoelectric ultrasonic transducers used in long rail detection 期刊论文 Applied Acoustics, 2019, 卷号: 149, 期号: 149, 页码: 15-24 作者:  Xiaoyuan Wei;  Yuan Yang;  Wenqing Yao;  Lei Zhang 收藏  |  浏览/下载：10/0  |  提交时间：2022/03/10 Sandwiched piezoelectric ultrasonic transducers  High voltage pulser  Long rail detection  Full bridge