high-power AC/DC converters
Low Power AC-DC and DC-DC Multilevel Converters
... of AC-DC switch-mode power supply converters, therefore, an effort was made to investigate whether multilevel converter concepts can be used to improve the performance of DC-DC ...
219
Efficient Bridgeless SEPIC Converter for BLDC Motor with Improved Power Factor
... single-phase ac–dc converter with a natural power factor correction (PFC) was ...higher power density and less conduction losses; hence, improved thermal management compared to existing PFC ...
7
Unidirectional AC–DC PFC Converters for Power Quality Improvement
... bidirectional converters is more appropriate for level 2 battery ...savvy power quality relief arrangement by using unidirectional converters, despite the fact that HCC clashes with the essential ...
11
DSP Based Voltage Controlled Single Stage PFC Converter with Synchronous Rectification
... non-synchronous converters in low output voltage, high output current systems ...with high efficiency implementing a constant output voltage and bus ...isolated AC/DC PFC converter with ...
6
High Performance Soft Switched DC-DC Boost Converter Suitable for PV Applications
... require dc power to run and it is easy to be produced from ac–dc converters High speed switching causes electromagnetic interference (EMI) [1] and extra switching ...used ...
10
HIGH POWER FACTOR AC-DC CONVERTER WITHOUT PFC PREREGULATOR
... Two-stage ac–dc converters consist of two power-processing stages with their respective control ...two-stage ac–dc converters raise power losses and the ...
6
Operation and Control of Wind/Fuel Cell Based Hybrid Microgrid in Grid Connected Mode
... are high due to their high carbon ...electric power due to their low environmental effects. The current power system is undergoing considerable amount of changes, because more renewable energy ...
6
Limits, stability and disturbance rejection analysis of voltage control loop strategies for grid forming converters in DC and AC microgrids with high penetration of constant power loads
... The paper extensively analyzes the voltage control in master-slave AC/DC microgrids with high penetra- tion of CPLs. DVC and QVC have been compared outlining their benefits and drawbacks. The QVC has ...
10
Single Phase Single Stage High Power Factor Cuk Rectifier
... utility power, and more than 50% of this power is processed through some kind of power ...Usually power converters use a diode rectifier followed by a bulk capacitor to convert ...
8
Investigation for Avoiding Nonlinearities in DC AC Power Converters
... These converters also feature a high quality of modularity degree due to each inverter can be seen as a module with similar circuit topology, control structure, and ...
11
Control and Dynamics of Modular Multilevel Converters.
... the ac power generated by synchronous generators to medium-voltage dc power [49], ...the dc-bus is usually based on Insulated-Gate Bipolar-Transistor (IGBT) or ...
134
Vol 3, No 9 (2015)
... for DC motors are simpler and less expensive than those for AC motors, DC motors are preferred where wide speed range control is ...of DC drive is obtained by using power electronic ...
7
PV Cell Fed High Voltage Gain Coupled Inductor Based Input Parallel Output Series DC-DC Converter for Grid Connected System
... PV power system, or PV system, is a power system designed to supply usable solar power by means of ...from DC to AC, as well as mounting, cabling and other electrical accessories to set ...
6
DESIGN AND ANALYSIS OF PV SYSTEM WITH Z-SOURCE HALF-BRIDGE CONVERTER
... Abstract: In a grid-connected photovoltaic (PV) system, the traditional Z-source inverter uses a low frequency transformer to ensure galvanic isolation between the grid and the PV system. Half bridge converter system is ...
8
High Step-up Converter for Closed Loop Controller with Three-Winding Coupled Inductor for Renewable Energy Sources
... Renewable energy sources (RES) have experienced a fast development in recent years. These systems employ with micro sources like PV, fuel cells etc. Though PV cells can be made into array and connected in series to ...
7
Harmonic Analysis of Single Phase Inverter
... to power two sixty watt light bulbs. An inverter converts the DC electricity from sources such as batteries, solar panels, or fuel cells to AC ...operate AC equipment designed for mains ...
9
Investigation of DC Networks State of The Art for Household
... for power transmission and operation appliances is a tricky task for community working on DC ...of power transmission plays decisive role in the selection of voltage level and level of required for ...
5
Several component coupled inductor- based sepic converter for high-voltage wind energy systems
... based high step-up dc– dc converter for high step-up applications is ...a high step-up voltage ...higher power conversion efficiency is benefited from lower turns ...
7
A Bridgeless Boost Converter Using Boostand Buck-Boost Strategyfor Low Voltage Energy Harvesting Applications
... low power and low voltage energy harvesting purpose a single stage AC-DC bridgeless boost converter is proposed in this ...buck-boost converters in ...0.4V AC voltage and 100Hz ...
7
Power Electronics Converters for an Electric Vehicle Fast Charging Station with Energy Storage System and Renewable Energy Sources
... the DC-Bus of the FCS, avoiding the utilization of an additional DC-AC ...peak power, it can be advantageous to choose an interleaved converter instead of the simple boost-type ...boost-type ...
10