Browsing by Author "Salehifar, Mehdi"
Now showing items 1-18 of 18
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A novel AC-AC converter based SiC for domestic induction cooking applications
Salehifar, Mehdi; Moreno Eguilaz, Juan Manuel; Sala Caselles, Vicenç; Romeral Martínez, José Luis (2013)
Conference report
Restricted access - publisher's policyThis paper presents the analysis and design of a new high frequency ac-ac converter applied to domestic induction heating. The proposed topology uses only four switches to control power. Converter operation is same as a ... -
A novel broken rotor bar fault detection method using park’s transform and wavelet decomposition
Salehi Arashloo Arashloo, Ramin; Romeral Martínez, José Luis; Salehifar, Mehdi (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference lecture
Restricted access - publisher's policyDetection of broken rotor bars has been an important but difficult work in fault diagnosis area of induction motors. The characteristic frequency components of faulted rotor are very close to the power frequency component ... -
A robust predictive current controller for healthy and open-circuit faulty conditions of five-phase BLDC drives applicable for wind generators and electric vehicles
Salehi Arashloo Arashloo, Ramin; Salehifar, Mehdi; Romeral Martínez, José Luis; Sala Caselles, Vicenç (Elsevier, 2015-03-01)
Article
Open AccessFault tolerant control of five-phase brushless direct current (BLDC) machines is gaining more importance in high-safety applications such as offshore wind generators and automotive industries. In many applications, traditional ... -
A simple and robust method for open switch fault detection in power converters
Salehifar, Mehdi; Salehi Arashloo Arashloo, Ramin; Moreno Eguilaz, Juan Manuel; Sala Caselles, Vicenç; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference lecture
Restricted access - publisher's policyIn this paper, a new fault detection method based on signal normalization using a simple trigonometric function is presented and applied to a five phase converter for fault tolerant application under nonsinusoidal unbalanced ... -
Clamping diode caused distortion in multilevel NPC Full-Bridge audio power amplifiers
Sala Caselles, Vicenç; Salehi Arashloo Arashloo, Ramin; Moreno Eguilaz, Juan Manuel; Salehifar, Mehdi; Romeral Martínez, José Luis (2012)
Conference report
Restricted access - publisher's policyThis paper presents a study and analysis of the distorting effects of clamped diodes in multilevel DCI-NPC topology applied to high power and high quality audio-amplifier. The main distorting sources of error are characterized, ... -
Efficiency evaluation of five-phase outer- rotor fault-tolerant BLDC drives under healthy and open-circuit faulty conditions
Salehi Arashloo Arashloo, Ramin; Salehifar, Mehdi; Saavedra Ordóñez, Harold; Romeral Martínez, José Luis (2014)
Article
Open AccessFault tolerant motor drives are an interesting subject for many applications such as automotive industries and wind power generation. Among different configurations of these systems, five-phase BLDC drives are gaining more ... -
Fault diagnosis and fault tolerant control of multiphase voltage source converters for application in traction drives
Salehifar, Mehdi (Universitat Politècnica de Catalunya, 2014-07-15)
Doctoral thesis
Open AccessThere is an increasing demand for vehicles with less environmental impact and higher fuel efficiency. To meet these requirements, the transportation electrification has been introduced in both academia and industry during ... -
Fault diagnosis and fault-tolerant finite control set-model predictive control of a multiphase voltage-source inverter supplying BLDC motor
Salehifar, Mehdi; Moreno Eguilaz, Juan Manuel (2016-01-01)
Article
Open AccessDue to its fault tolerance, a multiphase brushless direct current (BLDC) motor can meet high reliability demand for application in electric vehicles. The voltage-source inverter (VSI) supplying the motor is subjected to ... -
Fault tolerant operation of a five phase converter for PMSM drives
Salehifar, Mehdi; Salehi Arashloo Arashloo, Ramin; Moreno Eguilaz, Juan Manuel; Sala Caselles, Vicenç; Romeral Martínez, José Luis (2013)
Conference report
Restricted access - publisher's policyIn this paper a five phase fault tolerant converter is proposed for permanent magnet (PM) drives. The proposed configuration is an extension of conventional three phase double switch redundant topologies. In contrast to ... -
Genetic algorithm-based output power optimisation of fault tolerant five-phase brushless direct current drives applicable for electrical and hybrid electrical vehicles
Salehi Arashloo Arashloo, Ramin; Romeral Martínez, José Luis; Salehifar, Mehdi; Moreno Eguilaz, Juan Manuel (2014-08-01)
Article
Restricted access - publisher's policyThis study presents a method to improve the output power of five-phase brushless direct current (BLDC) motors under different faulty conditions. Different machine connections are considered while having open-circuit fault ... -
Impact of neutral point current control on copper loss distribution of five phase PM generators used in wind power plants
Salehi Arashloo Arashloo, Ramin; Romeral Martínez, José Luis; Salehifar, Mehdi; Sala Caselles, Vicenç (2014)
Article
Open AccessEfficiency improvement under faulty conditions is one of the main objectives of fault tolerant PM drives. This goal can be achieved by increasing the output power while reducing the losses. Stator copper loss not only ... -
Improved open switch fault detection based on normalized current analysis in multiphase fault tolerant converters
Salehifar, Mehdi; Moreno Eguilaz, Juan Manuel; Sala Caselles, Vicenç; Salehi Arashloo Arashloo, Ramin; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference lecture
Restricted access - publisher's policyA new open switch fault detection method based on normalized current analysis is proposed for application in multiphase fault tolerant PMSM drives. Performance characteristics of proposed method are single diagnostic ... -
Model predictive current control of five phase permanent magnet motor
Salehi Arashloo Arashloo, Ramin; Romeral Martínez, José Luis; Salehifar, Mehdi; Moreno Eguilaz, Juan Manuel (2013)
Conference report
Restricted access - publisher's policyThis paper deals with model predictive control of five phase permanent magnet motors. Using motor model, the stator currents are estimated for the following modulation period, and the required voltages are applied to ... -
Observer-based open transistor fault diagnosis and fault-tolerant control of five-phase permanent magnet motor drive for application in electric vehicles
Salehifar, Mehdi; Salehi Arashloo Arashloo, Ramin; Moreno Eguilaz, Juan Manuel; Sala Caselles, Vicenç; Romeral Martínez, José Luis (2015-01-01)
Article
Open AccessTo meet increasing demand for higher reliability in power electronics converters applicable in electric vehicles, fault detection (FD) is an important part of the control algorithm. In this study, a model-based open ... -
On the effect of accessible neutral point in fault tolerant five phase PMSM drives
Salehi Arashloo Arashloo, Ramin; Salehifar, Mehdi; Romeral Martínez, José Luis (2012)
Conference report
Restricted access - publisher's policyThis study deals with the fault tolerant vector control strategies of a five-phase permanent-magnet (PM) machine. The analysis is focused on the effect of accessible neutral point under faulty con ... -
Predictive current control of outer-rotor five-phase BLDC generators applicable for off-shore wind power plants
Romeral Martínez, José Luis; Salehi Arashloo Arashloo, Ramin; Salehifar, Mehdi; Moreno Eguilaz, Juan Manuel (2015-04-01)
Article
Open AccessModel predictive control algorithms have recently gained more importance in the field of wind power generators. One of the important categories of model predictive control methods is improved deadbeat control in which the ... -
Ripple free fault tolerant control of five phase permanent magnet machines
Salehi Arashloo Arashloo, Ramin; Salehifar, Mehdi; Romeral Martínez, José Luis; Sala Caselles, Vicenç (2013)
Conference report
Restricted access - publisher's policyThis study is dealt with fault tolerant control of five phase permanent magnet (PM) machines. The main objectives are to increase the output power while eliminating the generated torque ripples. As a new aspect, the effect ... -
Simplified fault tolerant finite control set model predictive control of a five-phase inverter supplying BLDC motor in electric vehicle drive
Salehifar, Mehdi; Moreno Eguilaz, Juan Manuel; Putrus, Ghanim; Barras, Peter (2016-03-01)
Article
Open AccessMultiphase brushless direct current (BLDC) motors can meet the increasing demand for higher reliabilityin motor drives applicable in electric vehicles by integrating fault diagnosis to a fault-tolerant (FT) controlmethod. ...