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Showing 1 to 15 of 15 for “"input current ripple"”.
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A Modified Boost Converter with Reduced Input Current Ripple
… with any DC/DC converter. Reducing a converter’s input ripple helps prevent switching noise from spreading to other systems on a shared DC power bus. This thesis covers the analysis, simulation, and implementation of a recently-proposed boost converter topology, alongside an equivalent standard …
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A Modified Multiphase Boost Converter with Reduced Input Current Ripple: Split Inductance and Capacitance Configuration
… Converter design must consider noise imposed on input and output nodes which connect to and influence the operation of other devices. Excessive noise introduces EMI which can damage sensitive circuits or impede their operation. High ripple current degrades battery lifetime and reduces operating …
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Control of Pseudo-Sinusoidal Switched Reluctance Motor with Zero Torque Ripple and Damped Input Current Ripple
… advantage and ruggedness. However, the torque ripple and bus current ripple of SRM restrict its application range compared with traditional AC and DC motors due to the doubly salient pole structure and the highly non-linear coupling between torque, rotor position and phase current. As a result …
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Asymmetric interleaving in low-voltage CMOS power management with multiple supply rails
… interleaving as a method of reducing the input current ripple for the power converter. Asymmetric interleaving is a method of control that allows for a further reduction, and in some cases complete cancellation, of this input current ripple. This work looks at some of the challenges for a …
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The Modified-Multiphase Boost Converter: Combined Inductors and Capacitors Topology
… has already been proven to drastically reduce input current ripple by about 40% in a single-phase implementation. By placing two modified boost converters in parallel with interleaving main switches (multiphase), the input inductors and modified capacitors of the modified topology can be …
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Improved Forward Topologies for DC-DC applications with Built-in Input Filter
… leakage inductance, and the pulsating input current waveform. The transformer is driven in a unidirectional fashion in the forward converter; a tertiary forward converter (TFC) is an example of this. Therefore, the third winding and reset diode must be provided with an adequate period …
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Current source dc-dc and dc-ac converters with continuous energy flow
This work considers current sourced power electronic converters. The thesis classifies and presents several new single-phase and three-phase differential-mode current source inverters that evolve from the basic dc-dc converter topologies. The switched, large-signal, and small-signal models of these …
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Modified Control for Single-Phase Fuel Cell Systems with Input Ripple Compensation and Improved Output Quality
… introduces a second harmonic component in the current drawn from the fuel cell source. This low-frequency current ripple has been found to be detrimental to the performance, lifespan, and efficiency of the fuel cell, if not adequately controlled. This thesis presents a current control method …
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Single-Stage Grid-Connected Multilevel Converters: Topologies and Control Strategies
… to cancel out the double-line frequency ripple in the input current profile. This enables the converter to be employed in a broad range of grid-connected applications with improved efficiency without adding extra components to the circuit. The experimental results show more than 1% …
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A Novel DC-DC Converter for Photovoltaic Applications
… and step-down capabilities with a continuous input current, and uses only a single, ground-referenced switching device. A significant enhancement to this converter is proposed: magnetic coupling of the converter's three inductors. This can substantially reduce the CI-CCS converter's input …
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EMI Noise Reduction Techniques for High Frequency Power Converters
… DC/DC converter. The DM noise is contributed by input current ripple. Therefore, one method to reduce DM noise is interleaving. There are three methods to reduce CM noise: symmetry, balance and shielding. The idea of symmetry concept is generating another dv/dt source to cancel the original dv/dt …
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Analysis and Design of a DCM SEPIC PFC with Adjustable Output Voltage
… Conventional induction cooker is composed by input filter, diode-bridge rectifier, and full bridge or half bridge series resonant circuit (SRC). High frequency magnetic field is induced through the switching action to heat the pan. The power level is usually controlled through pulse frequency …
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Integrated magnetic components for high-power high-current dc-dc converters
… (IM) structure for use in high-power high-current power converters employed in renewable energy applications. These applications require low-cost, high efficiency and high-power density magnetic components and the use of IM structures can help achieve this goal. A novel CCTT-core …
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Investigation on Interleaved Boost Converters and Applications
… EMI filter design are based on the time domain ripple cancellation effect. This approach is good enough for most of the filter designs. However, unlike the conventional filter designs, the EMI filter design is a specification related process. Both the EMI standard and the EMI measurement are …
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Load-Independent Class-E Power Conversion
… induction heating, and plasma pulsing. The load current in these applications usually varies over a range. Efficiency of a conventional Class-E design degrades dramatically due to the hard switching beyond the optimum conditions. Keeping ZVS with load change in a Class-E topology is preferred …