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A Self-Balanced Bidirectional Medium-/High-Voltage Hybrid Modular DC-DC Converter with Low-Voltage Common DC-Link and Sequential Charging/Discharging of Submodules Capacitors
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Institute of Electrical and Electronics Engineers Inc.
, 2019 , Article)
This paper proposes a medium-/high-voltage high-power hybrid modular DC-DC converter to interconnect two different dc-voltage levels in medium-/high-voltage dc grids. The converter consists of half-bridge submodules (SMs) ...
Optimal DC voltage control in multi-terminal HVDC Network: Modeling and scenarios
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Institute of Electrical and Electronics Engineers Inc.
, 2019 , Conference Paper)
Efficient and balanced power transfer with minimum transmission losses in Multi-Terminal High-Voltage DC (MTDC) network is managed by the hierarchical control layers. A combination of decentralized DC voltage droop control ...
Strategies for Decoupling Internal and External Dynamics Resulting from Inter-Arm Passive Component Tolerances in HVDC-MMC
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Institute of Electrical and Electronics Engineers Inc.
, 2019 , Conference Paper)
Modular Multilevel Converter (MMC) performance may be adversely affected by passive component tolerances, such as submodule capacitance and arm inductance variations. Depending on control strategies, the differences in ...
High-gain DC-DC converters for high-power PV applications: Performance assessment
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Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
Conventional non-isolated DC-DC converters provide limited practical gains at high duty cycles due to their parasitic losses. Such trend is not suitable for renewables grid integration due to the high required gain, while ...
Design of an electric spring for power quality improvement in PV-based DC grid
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Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
Electric Spring (ES) concept has been emerged based on the mechanical spring concept. ES can be employed in AC or DC grid for demand side management, and improving the power quality and energy management. Renewable Energy ...
Assessment of isolated and non-isolated DC-DC converters for medium-voltage PV applications
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Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
The potential of Photovoltaic (PV) panels as a main tool of harnessing solar energy is increasing with the advancements in their power conditioning and conversion stages that vary based on applications. This paper focuses ...
Design of a capacitive power transfer system for charging of electric vehicles
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Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
Electric Vehicles (EV) nowadays are an attractive means of transportation, as they do not emit harmful gasses. Charging of EVs can be achieved through either direct contact or contactless approaches. Contactless charging ...
Exploitation of additional degrees of freedom of multiphase drives in low-frequency operation of modular multilevel converters
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Institute of Electrical and Electronics Engineers Inc.
, 2019 , Conference Paper)
MMC encounters serious limitations in the zero and low-frequency operation of variable-speed motor drives. In MMC, the voltage ripples of SubModule (SM) capacitor is inversely proportional to the phase current frequency. ...
An H-Bridge Modular DC-DC Converter with Bidirectional Flyback-Based Energy Equalization Modules
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Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
Conventional Modular Multilevel Converter (MMC) is a promising candidate in high-voltage high-power applications. Unfortunately, operating the conventional MMC with DC output voltage results in unbalanced capacitors' ...
Nine-phase six-terminal pole-amplitude modulated induction motor for electric vehicle applications
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Institution of Engineering and Technology
, 2019 , Article)
In electric drive applications that are based on high-speed induction motors (IMs) with an extended speed range, stator winding pole-changing is a possible technique to avoid oversizing the driving motor. The electronic ...