scholarly journals Enhanced Performance of Induction Motor with Direct Field Oriented Control Drive using Space Vector Pulse Width Modulation

2019 ◽  
Vol 8 (2S8) ◽  
pp. 1052-1057

This paper exhibits 3 level Neutral purpose Clamped electrical converter continuing choice motor with Direct Field organized management drive victimization house vector beat breadth amendment framework. the final examination of various degrees of surprised electrical converter for minimisation of torsion swell in AN acknowledgment motor. In AN enrollment motor reach extraordinary execution in the meantime transient condition, a prompt field organized management framework is completed. within the prompt field organized management strategy, decoupling of the torsion and alter conveyance of title parts of stator coil current, and perfection of dynamic execution within acknowledgment motor. The essential house vector beat breadth amendment system is related to truthful purpose cut inverter(NPC) in inference of location torsion. The planned procedure offer AN improved introduction in alteration of torsion swell strategy. the fast field masterminded management of two level svpwm arrange is differentiated and planned 3-level svpwm plot. torsion swell of the acknowledgment motor is compelled in victimization svpwm mostly direct field organized management methodology. The propagation results square measure shown to demonstrate relationship of 2L and three level FOC management victimization svpwm framework

Energies ◽  
2020 ◽  
Vol 13 (15) ◽  
pp. 3803
Author(s):  
Yingjie He ◽  
Chao Lei ◽  
Yunfeng Liu ◽  
Jinjun Liu

Diode-clamped multi-level converters have DC-side capacitors in series, which will lead to the unbalance of DC-side capacitor voltage, the distortion of the output waveform, the increase of total harmonic distortion (THD), and even the damage of switching devices, which will make the system inoperable. The proposal of virtual space vector pulse-width modulation (VSVPWM) realizes the balanced control of the capacitor voltage, but when the output level of converter increases, the implementation of VSVPWM becomes very complicated, and the amount of calculation also increases greatly, thus hindering its application in the multi-level circuit. Compared with VSVPWM, the carrier-based pulse-width modulation (CBPWM) is simple to operate and easy to implement. If the equivalent relationship between CBPWM and VSVPWM can be found, the application of VSVPWM can be generalized to any level, and the advantages of VSVPWM can be fully utilized. This paper aims to study the inner relationship of VSVPWM and the multi-modulation carrier CBPWM (MCBPWM). After strict theoretical analysis, the equivalent relationship of VSVPWM and MCBPWM in the three-level and four-level and converter is realized by injecting the zero-sequence component into the modulation waves. Furthermore, the equivalent relationship between VSVPWM and MCBPWM is deduced to the N-level converter. Finally, the correctness of the relevant theoretical analysis is verified by the experiment.


2020 ◽  
Vol 1 (1) ◽  
pp. 44-74
Author(s):  
Blake Troise

The 1-bit sonic environment (perhaps most famously musically employed on the ZX Spectrum) is defined by extreme limitation. Yet, belying these restrictions, there is a surprisingly expressive instrumental versatility. This article explores the theory behind the primary, idiosyncratically 1-bit techniques available to the composer-programmer, those that are essential when designing “instruments” in 1-bit environments. These techniques include pulse width modulation for timbral manipulation and means of generating virtual polyphony in software, such as the pin pulse and pulse interleaving techniques. These methodologies are considered in respect to their compositional implications and instrumental applications.


2012 ◽  
Vol 132 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Satoshi Maruyama ◽  
Muneki Nakada ◽  
Makoto Mita ◽  
Takuya Takahashi ◽  
Hiroyuki Fujita ◽  
...  

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