AB vector trajectory under a single-phase fault
A Novel Method for Vector Control of Three-Phase Induction Motor Under Open-Phase Fault
... open-phase fault; speed and torque oscillations; three-phase induction motors; vector ...(three- phase machine under open-phase fault) will result insignificant ...
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High Performance Vector Control of 3-Phase IM Drives under Open-Phase Fault Based on EKF for Rotor Flux Estimation
... estimation of rotor flux in 3-phase IM drives [8]-[14]. However, these methods cannot be used for faulty machine as these methods are designed based on healthy 3-phase IM equations. In this paper, two ...
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FAULT TOLERANT VECTOR CONTROL OF FIVE-PHASE PERMANENT MAGNET MOTORS
... drives under healthy and faulty conditions. Open circuit fault is considered in the case of missing one, two adjacent, and two nonadjacent stator ...torque under faulty conditions, optimized ...
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Sensorless control of fault tolerant PMSM drives in case of single phase open circuit fault
... a single phase open circuit fault through measuring the dynamic current response of the motor line currents due the IGBT switching ...motor under healthy condition to make it applicable in the ...
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Sensorless control of fault tolerant PMSM drives in case of single-phase open circuit fault
... inverter; single phase open circuit; ...a fault has occurred to reduce the impact of the fault on the system ...of fault tolerant strategies for sensored ac motor drives have been used ...
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Comparative performance study of alternate fault-tolerant inverter configurations for direct torque control-based three-phase PM BLAC drives under single-phase open-circuit fault
... drives under SOF in terms of current harmonics, torque ripple, applied voltage, and achievable based speed has been ...cause phase-to-neutral short circuit in one or both two remaining phase ...
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Investigating Direct Torque Control of Six-Phase Induction Machines Under Open Phase Fault Conditions
... SPIM under faulty conditions, we introduced projected space voltage vectors on the decoupled spaces by a proper transformation ...a fault in an open phase, there is no space voltage vector ...
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STATOR WINDING FAULT DIAGNOSIS OF THREE-PHASE INDUCTION MOTOR BY PARK S VECTOR APPROACH
... current vector for a faulty machine ...Park’s vector approach. S tator current Park’s vector patterns were employed to distinguish between 'healthy' and 'faulty' induction ...park's vector ...
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Postfault operation of five-phase induction machine with minimum total losses under aingle open-phase fault
... steadily under fault ...FPIM under single open phase fault (1OPF) by including the effect of both rotor loss and core loss on the machine’s optimal current calculation over the ...
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Neural Network Based Fault Diagnosis of Three Phase Inverter Fed Vector Control Induction Motor
... open-circuit fault angle in order to identify the faulty IGBT ...each phase cur- ...open-circuit fault case lies in the zero-order harmonics which means the pres- ence of the DC component in the ...
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A Survey on Sequence Impedance Measurement of Three Phase Transformer under Asymmetrical Fault Conditions
... This type of connection is used when the supply source is delta connected and the secondary load needs single voltage with high current. This is generally employed for three phase power loads (like three ...
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A Grid Synchronization Method for Three-Phase Three-Wire Networks under Grid Fault Conditions
... strategies under generic grid ...enhanced phase- locked loop (EPLL) is a synchronization system that has proven to provide good results in single phase synchronization ...positive-sequence ...
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Grid Synchronization Method for Three-Phase Three-Wire Networks under Grid Fault Conditions
... strategies under generic grid ...enhanced phase-locked loop (EPLL) is a synchronization system that has proven to provide good results in single phase synchronization ...positive-sequence ...
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An improved fault tolerant for a five-phase induction machine under open gate transistor faults
... current vector is the target current vector to achieve the required command torque and reference ...current vector is transformed to the stationary reference frame using Park’s transform ...five ...
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Fault protection method of single-phase break for distribution network considering the influence of neutral grounding modes
... the fault line, but requires high communication and data ...existing single-phase break fault protection method is greatly affected by system parame- ters and fault location, with ...
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Single Phase to Ground Fault Location on 415v Distribution Lines using Artificial Neural Network Algorithm
... PSCAD Fault Data Simulation Figure ...Line Under Study Figure ...training fault data set. The current present during a fault is among other things, a function of the point on wave at which the ...
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Protection of single-phase fault at the transformer valve side of FB-MMC-based bipolar HVdc systems
... side single-phase-to-ground faults in FB-MMC-based bipolar systems and, thus, further investigation is ...for fault isolation purposes. To reduce the time for system restoration under a ...
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Earth Fault Relay in a Single Phase Power System.
... In India electricity theft leads to annual losses estimated at In India electricity theft leads to annual losses estimated at US$4.5 billion, about .5 percent.. US$4.5 billion, about [r] ...
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Spectral Learning from a Single Trajectory under Finite-State Policies
... 3. Single-Trajectory Spectral Learning of PFA In this section we focus on the problem of learning the tran- sition structure of a PFA A using single trajectory is gen- erated by ...a ...
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A NOVEL LOGIC TO STATOR SINGLE PHASE - TO - GROUND FAULT FOR POWER-FORMER
... ground fault current. Reduced ground fault current causes less damage to the stator core and winding during ground ...ground fault current may become even less than normal rated current of the ...of ...
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