بحث بسيط
السجلات المعروضة 1 -- 10 من 24
Performance of a five-phase boost inverter-fed submersible induction machine
(2013 , Conference Paper)
An electrical submersible pump (ESP) motor is preferably fed from a low voltage variable-frequency drive (VFD) followed by a step-up transformer. The motor and drive connection through a long feeder usually causes over ...
Modified modulation scheme for photovoltaic fed grid-connected three-phase boost inverter
(
IEEE
, 2013 , Conference Paper)
Transformer-less photovoltaic (PV) inverters are the major functional units of modern grid-connected PV energy production systems. In general, two power conversion stages are required when low-voltage unregulated photovoltaic ...
Sensorless V/f control with MRAS speed estimator for a five-phase induction machine under open-circuit phase faults
(
IEEE
, 2013 , Conference Paper)
This paper introduces a sensorless scalar controller with MRAS speed estimator based on simple Proportional Resonant PR controllers to provide a disturbance-free operation to a five-phase induction machine under phase open ...
New topologies for photovoltaic-fed single-stage boost inverters
(
IEEE
, 2013 , Conference Paper)
In photovoltaic-fed applications, boosting the limited output voltage is very essential. Single-stage boost inverters can efficiently be used to interface renewable energy sources. In this paper, different topologies for ...
Sensorless field oriented control of five-phase induction machine under open-circuit phase faults
(
IEEE
, 2013 , Conference Paper)
Recently, multiphase machine is promoted to replace three-phase drives in high power safety-critical applications. Among the numerous advantages of multiphase induction machine drives, operation and self-starting under ...
A voltage-behind-reactance model of five-phase induction machines considering the effect of magnetic saturation
(
IEEE
, 2013 , Article)
Five-phase induction machines are generally modeled using multiple dq planes or using a phase variable model. This paper considers modeling five-phase induction machines using a voltage-behind-reactance (VBR) configuration. ...
Fault current contribution scenarios for grid-connected voltage source inverter-based distributed generation with an LCL filter
(
Elsevier
, 2013 , Article)
Inverter-based distributed generation (IBDG) is characterized by its negligible fault current contribution compared with synchronous generators due to its inherent non-overload capabilities. Thus, IBDG hardly affects the ...
A new five-phase to three-phase back-to-back current source converter based wind energy conversion system
(
IEEE
, 2013 , Conference Paper)
Wind energy is one of the fastest growing renewable energy sources. The increased penetration of wind power into the utility grid brings challenges such as voltage and frequency fluctuations, generator torque ripples, and ...
Ride-through capability of grid-connected brushless cascade DFIG wind turbines in faulty grid conditions-A comparative study
(
IEEE
, 2013 , Article)
Doubly-fed induction generator (DFIG)-based wind turbines (WTs) are reported to suffer reliability problems due to the presence of slip-rings, brushes, and the gearbox. These disadvantages encouraged several research groups ...
Optimum power transmission-based droop control design for multi-terminal HVDC of offshore wind farms
(
IEEE
, 2013 , Article)
Power generation through wind is expected to play a major role in the world's future energy portfolio. Nevertheless, wind power integration remains a challenging research area due to the special characteristics of wind ...