Search Results - "Krein, P. T."

Differential Power Processing for Increased Energy Production and Reliability of Photovoltaic Systems by Shenoy, P. S., Kim, K. A., Johnson, B. B., Krein, P. T.

“…Conventional energy conversion architectures in photovoltaic (PV) systems are often forced to tradeoff conversion efficiency and power production. This paper…”
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Review of Battery Charger Topologies, Charging Power Levels, and Infrastructure for Plug-In Electric and Hybrid Vehicles by Yilmaz, M., Krein, P. T.

“…This paper reviews the current status and implementation of battery chargers, charging power levels, and infrastructure for plug-in electric vehicles and…”
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Minimum Energy and Capacitance Requirements for Single-Phase Inverters and Rectifiers Using a Ripple Port by Krein, P. T., Balog, R. S., Mirjafari, M.

“…Converters with a dc port and a single-phase ac port must store energy to buffer the inherent double-frequency power flow at the ac port. The minimum energy…”
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Synchronization of Parallel Single-Phase Inverters With Virtual Oscillator Control by Johnson, Brian B., Dhople, Sairaj V., Hamadeh, Abdullah O., Krein, Philip T.

“…A method to synchronize and control a system of parallel single-phase inverters without communication is presented. Inspired by the phenomenon of…”
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Coupled-Inductor Filter: A Basic Filter Building Block by Balog, R. S., Krein, P. T.

“…Coupled-magnetics and coupled-inductor filters provide smoothing in a power converter by steering ripple current away from the "quite port." While this concept…”
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Differential Power Processing for DC Systems by Shenoy, Pradeep S., Krein, Philip T.

“…This paper introduces an approach to dc power delivery that reduces power loss by minimizing redundant energy conversion. Existing power distribution…”
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Concerning "Maximum Power Point Tracking for Photovoltaic Optimization Using Ripple-Based Extremum Seeking Control" by Bazzi, A. M., Krein, P. T.

“…This paper highlights key contributions in extremum seeking (ES) control and ripple correlation control (RCC). Maximum power point tracking (MPPT) utilizing…”
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Formulation of PID Control for DC-DC Converters Based on Capacitor Current: A Geometric Context by Kapat, S., Krein, P. T.

“…The output voltage derivative term associated with a PID controller injects significant noise in a dc-dc converter. This is mainly due to the parasitic…”
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Near-Null Response to Large-Signal Transients in an Augmented Buck Converter: A Geometric Approach by Kapat, S., Shenoy, P. S., Krein, P. T.

“…The maximum closed-loop bandwidth of a dc-dc converter is restricted to a fraction of its switching frequency when governed by a conventional average-based…”
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Bus Selection in Multibus DC Microgrids by Balog, R S, Krein, P T

“…DC power systems can be made more reliable by using multiple buses for redundancy. Multiple buses provide multiple configuration options for supplying power to…”
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Markov Reliability Modeling for Induction Motor Drives Under Field-Oriented Control by Bazzi, A. M., Dominguez-Garcia, A., Krein, P. T.

“…This paper presents a Markov reliability model of induction motor drives operating under field-oriented control. The model includes faults in the power…”
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Minimum-Time Transient Recovery for DC-DC Converters Using Raster Control Surfaces by Pitel, Grant E., Krein, Philip T.

“…Fast power converters are desired in microprocessors, audio, and servomotor power supplies. Fixed-topology dc-dc converters have a minimum time in which to…”
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IGBT and Diode Loss Estimation Under Hysteresis Switching by Bazzi, A. M., Krein, P. T., Kimball, J. W., Kepley, K.

“…This paper presents a power loss estimation method for insulated-gate bipolar transistors (IGBTs) and diodes that operate under hysteresis switching. The…”
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Dynamic simulation for analysis of hybrid electric vehicle system and subsystem interactions, including power electronics by Amrhein, M., Krein, P.T.

“…Simulation tools for hybrid electric vehicles (HEVs) can be classified into steady-state and dynamic models, according to their purpose. Tools with…”
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Selective harmonic control: a general problem formulation and selected solutions by Wells, J.R., Nee, B.M., Chapman, P.L., Krein, P.T.

“…Selective harmonic elimination/control has been a widely researched alternative to traditional pulse-width modulation techniques. Previous and current work has…”
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Averaged modeling of PWM converters operating in discontinuous conduction mode by Jian Sun, Mitchell, D.M., Greuel, M.F., Krein, P.T., Bass, R.M.

“…Various aspects of averaged modeling of hard-switching pulse-width modulated (PWM) converters operating in the discontinuous conduction mode (DCM) are studied…”
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High-frequency link inverter for fuel cells based on multiple-carrier PWM by Krein, P.T., Balog, R.S., Xin Geng

“…Fuel-cell inverter applications typically have a relatively low voltage input, and require a battery bus for energy buffering. Circuit topology issues are…”
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Sensorless current mode control-an observer-based technique for DC-DC converters by Midya, P., Krein, P.T., Greuel, M.F.

“…Sensorless current mode (SCM) control is an observer method that provides the operating benefits of current mode control without current sensing. SCM has…”
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High-fidelity PWM inverter for digital audio amplification: Spectral analysis, real-time DSP implementation, and results by Pascual, C., Zukui Song, Krein, P.T., Sarwate, D.V., Midya, P., Roeckner, W.J.

“…A complete digital audio amplifier has been developed, implemented and tested. The process is entirely computational, and the output load and filter are the…”
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Analysis of corona motors and micromotors by means of effective gap conductivity by Krein, P.T.

“…Corona motors are of possible interest in miniature applications because of their insensitivity to material properties and their ability to produce torque with…”
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