Results 61 to 70 of about 4,357,992 (165)

Corrected complex torque coefficient method for synchronization stability analysis of grid‐connected VSC

IET Renewable Power Generation
Sub‐synchronous oscillation of grid‐connected voltage source converter (VSC) dominated by phase locked loop (PLL) is an important stability issue in nowadays power systems.
Boyuan Zhao, Lei Chen, Yong Min, Yalou Li, Shiyun Xu   +4 more
doaj   +1 more source

Multi-objective optimal scheduling strategy for wind power, PV and pumped storage plant in VSC-HVDC grid

The Journal of Engineering, 2019
Zhangbei demonstration project will be the world's highest voltage level and largest capacity VSC-HVDC power grid, by which millions of kilowatts of renewable energy and pumped storage power will be supplied to Beijing.
Man Xu, Linlin Wu, Hui Liu, Xiao Wang
doaj   +1 more source

Voltage controlled current source

, 2020
Voltage controlled current source for cryogenic ...
Fernando Martín Muñoz, Hermann Suderow, Isabel Guillamón, Mariano Cuenca, Juan Antonio Higuera   +4 more
core   +1 more source

Reliability modelling and analysis on MMC for VSC-HVDC by considering the press-pack IGBT and capacitors failure

The Journal of Engineering, 2019
Modular multi-level converter (MMC) with press-packing IGBT devices is the popular and key equipment of VSC-HVDC system, its reliability is directly related to the equipment safe operation.
Li Hui, Zheng Meimei, Yao Ran, Lai Wei, Deng Jili, Long Haiyang, Qu Haitao   +6 more
doaj   +1 more source

Loss comparison of 2 and 3-level inverter topologies

, 2010
This paper investigates semiconductor and DC-link capacitor losses in two two-level and two three-level voltage source inverters. The components of the four inverters are selected to have appropriate voltage and current ratings.
Orfanoudakis, G., Yuratich, M., Abu-Sara, M., Sharkh, S.   +3 more
core   +1 more source

Modelling and analysis on short-circuit failure for press-pack IGBT devices used in VSC-HVDC converter

The Journal of Engineering, 2019
Press-pack insulated gate bipolar transistor (IGBT) device is the key component in the voltage source converter high voltage direct current (VSC-HVDC) due the advantage of the short-circuit failure.
Ran Yao, Hui Li, Hui Li, Wei Lai, Shenyang Kang, Jili Deng, Haiyan Long, Meimei Zheng, Jinyuan Li, Yaosheng Li   +9 more
doaj   +1 more source

Study on the resonance stability problem of the wind power base with the MMC–HVDC system

The Journal of Engineering, 2019
Considering the negative resistance effect of power electronic equipment, unstable resonance problems may occur between wind farms and converter stations.
Facai Xing, Shijia Wang, Feng Zhang, Heng Wang, Zheng Xu, Huanqing Xiao   +5 more
doaj   +1 more source

Development of a Low Inductance Linear Alternator for Stirling Power Convertors [PDF]

, 2017
The free-piston Stirling power convertor is a promising technology for high efficiency heat-to-electricity power conversion in space. Stirling power convertors typically utilize linear alternators for converting mechanical motion into electricity.
Geng, Steven M., Schifer, Nicholas A.
core  

Vectorial formalism for analysis and design of polyphase synchronous machines [PDF]

, 2003
A vectorial formalism for analysis and design of polyphase synchronous machines without reluctance and saturation effects is described. We prove the equivalence of such a machine with a set of magnetically independent machines, which are electrically and
BOUSCAYROL, Alain, HAUTIER, Jean-Paul, E. Semail, J.-P. Hautier, A. Bouscayrol, SEMAIL, Eric   +5 more
core   +1 more source

A voltage reference using a temperature-dependent current to bias a junction diode [PDF]

, 2013
textBandgap voltage-reference circuits generate an appropriate amount of a voltage that varies proportionately to absolute temperature (called PTAT), to cancel the complementary to absolute temperature voltage variation (known as CTAT) of a current ...
Mastovich, Stefan Noel
core