Results 11 to 20 of about 727 (249)
The Journal of Engineering, 2019 This study first introduces the structure and principle of the control system of ultra-high-voltage direct current (UHVDC) transmission system with hierarchical connection mode, mainly including the whole control logic, the voltage balance control module
Ziyuan Ren +5 more
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The Journal of Engineering, 2019 This study proposes a new back-to-back (BTB) current source converter (CSC) configuration and presents its application for variable speed wind energy conversion system.
Ibrahim Abdelsalam +3 more
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Fault response comparison of LCC–MMC hybrid topologies and conventional HVDC topology
The Journal of Engineering, 2018 The modular multilevel converter (MMC) can be used to upgrade conventional line commutated converter-based HVDC systems (LCC-HVDC), construct the hybrid topologies of LCC and MMC to acquire better fault responses.
Boliang Lou +4 more
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Stability analysis of grid-connected PV generation with an adapted reactive power control strategy
The Journal of Engineering, 2019 The static VAR compensator is widely applied in large-scale grid-connected photovoltaic (PV) generation to participate in voltage regulation of power system, which ignores the reactive power regulation capability of PV inverter.
Gangui Yan +3 more
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Invertor system stability analysis
IFAC Proceedings Volumes, 1974 Summary A single phase bridge inverter system is analyzed. It is assumed that the inverter is used as a closed loop voltage regulated. source of ac power. The inverter output waveform is pulse width modulated to control the output voltage which is supplied to a general linear filter.
K.Y. Nikravesh, R.G. Hoft
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A rotating arc plasma invertor [PDF]
, 1987 A device is described for the inversion of direct current to alternating current. The main feature is the use of a rotating plasma arc in crossed electric and magnetic fields as a switch. This device may provide an economic alternative to other inversion methods in some circumstances.
Reusch, M. F., Jayaram, K.
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Adoption of the Objectives of the Monetary and Economic Union and European Financial Integration [PDF]
Global Economic Observer, 2014 The European concerns, with old traditions in forming multinational financial markets, developed in the integration of the financial markets and of the European banking systems which allowed the investors from any European country to follow the ...
MĂDĂLINA RĂDOI, ALEXANDRU OLTEANU
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The Journal of Engineering, 2019 The LLCL filter is widely used in grid-tied inverter systems due to its small size, low cost and good attenuation for high-frequency harmonics. However, the LLCL filter resonance phenomenon and the wide range of impedance may compromise the system ...
Lizhen Wu, Tengfei Liu, Xiaohong Hao
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Solar PV plant for supplying ancillary services in distribution systems
The Journal of Engineering, 2019 The paper reports the latest practice in the field for solar PV integration in distribution grids in Denmark, where the communication capability of solar inverters is exploited for integrating the monitoring and control functions of solar inverters into ...
Guangya Yang +6 more
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Hierarchical control of parallel voltage source inverters in AC microgrids
The Journal of Engineering, 2018 Here, a distributed hierarchical control strategy is proposed for the parallel operating of voltage source inverters (VSIs) in AC microgrids (MGs). For the output voltage control of a VSI, conventional double-loop proportional-integral (PI) control ...
Zhongwen Li +5 more
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