Results 11 to 20 of about 6,553 (260)
Research on a fault current limiter based on variable reactor
With the increase of the power load in power grid, the short circuit level continues to rise, and excessive short-circuit current will do great damage to power equipment and imperil power systems.
GU Yu +3 more
doaj +1 more source
Rotor winding short circuit is a frequent fault type of generator unit. Compared with the traditional fixed-speed unit using DC excitation, the three-phase AC excitation structure of the variable speed pumped storage unit is more complicated, and the ...
Qinghui Lu +5 more
doaj +1 more source
Symmetrical Loss of Excitation Fault Diagnosis in an Asynchronized High-Voltage Generator
As a new type of generator, an asynchronized high-voltage generator has the characteristics of an asynchronous generator and high voltage generator. The effect of the loss of an excitation fault for an asynchronized high-voltage generator and its fault ...
Yanling Lv +4 more
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Early slight inter-turn short circuit fault diagnosis of axial flux stator coreless permanent magnet motor based on phase difference [PDF]
Aiming at the problem of early inter-turn short circuit fault of axial flux stator coreless motor, a method for early inter-turn short circuit fault diagnosis and positioning of axial flux stator coreless motor based on the phase difference of zero ...
Xiaoguang WANG +4 more
doaj +1 more source
Due to the pseudo-bipolar structure of the flexible DC distribution network, the short-circuit current caused by a pole-to-ground fault is weak. The fault characteristics, particularly the steady-state fault characteristics, are not prominent. Therefore,
Hao Qi +6 more
doaj +1 more source
The Cable Fault Diagnosis for XLPE Cable Based on 1DCNNs-BiLSTM Network
Diagnosing the fault type accurately from a variety of faults is very essential to ensure a stable electricity supply when a short-circuit fault occurs.
Qianyu Wang +4 more
doaj +1 more source
An Analytical Short-Circuit Current Calculation Method for Full-Power Wind Turbines under Complete Fault Ride-Through Processes [PDF]
Accurate calculation of short-circuit current throughout the fault ride-through process of wind turbines is a critical prerequisite for the analysis and control of modern power systems.
YUAN Shuai, XIAO Jiaan, TAO Jun, CUI Haohan, CHAO Pupu, LI Weixing, A Minfu, WANG Liqiang, ZHONG Ming
doaj +1 more source
Characteristics of Short-Circuit Current in Distribution Network with Doubly-Fed Wind Power System
The doubly-fed induction generator (DFIG) is connected to the distribution network as a distributed power source, which turns a radial single power supply system into a dual power supply system and changes the topology of the distribution network. When a
XI Xinze, XING Chao, QIN Risheng, HE Tingyi, HE Peng, MENG Xian, CHENG Chunhui
doaj +1 more source
ObjectivesAccurate positioning of early faults is crucial for preventing the deterioration of motor system faults and formulating operation and maintenance strategies after faults.MethodsAiming at the problem that the inter-turn short-circuit fault ...
GAO Caixia, FENG Lingyun, DANG Jianjun
doaj +1 more source
Influence Mechanism and Suppression Control of the MMC on Short-Circuit Current Under AC Faults
Modular multilevel converter based high voltage direct current (MMC-HVDC) transmission systems may increase the short-circuit current and affect the AC fault clearing of circuit breakers.
Jian Yang +3 more
doaj +1 more source

