AC7 matrix converter
... specifications for the AC7 Matrix Converter are given in Table 1 with product photos shown in Figure 6. Table 1: AC7 Matrix Converter Product Specifications Figure 6: AC7 Appearance 3.2 Major ... The basic characteristics of this type of matrix converter are discussed below. Figure 1: Diagram of Main AC7 Matrix Converter Circuit 2.1 PWM method The AC7 uses PWM switch...
Ngày tải lên: 13/05/2014, 00:55
... for the matrix converter fault tolerance problem. Index Terms—Fault diagnosis, fault tolerance, matrix converter, pulsewidth modulation, reliability. NOMENCLATURE V A ,V B ,V C Matrix converter ... V AB ,to distinguish from matrix converter voltages. I. B AC KGROU N D R ESEARCH on matrix converter has received great at- tention since the inception of this kind of direct ac...
Ngày tải lên: 13/05/2014, 00:55
A digitally controlled switch mode power supply based on matrix converter
... supply based on matrix converter. Fig. 3. Figure of three-phase to one-phase matrix converter. Fig. 4. Illustration of matrix converter operation. The operation of the matrix converter can be ... shown that matrix converter output can be found from (18) Equation (18), the transfer function, , is representing the matrix converter switching function. Thus, switching func...
Ngày tải lên: 13/05/2014, 00:55
A novel matrix converter topology with simple commutation
... This paper discloses a novel matrix topology with advantages over the usual matrix converter topology. Firstly, it has the same performance as a conventional matrix converter in terms of voltage ... The matrix converter, first introduced in 1980 [1], has experienced revived attention recently. The matrix converter topology is shown in Fig. 1. Compared with the conventio...
Ngày tải lên: 13/05/2014, 00:55
Chapter 18 matrix converter
... Forced Commutated Cycloconverter 18.5 Matrix Converter 503 18.5.1 Operation and Control of the Matrix Converter • 18.5.2 Commutation and Protection Issues in a Matrix Converter 18.6 High Frequency ... the voltage source converters has been developed recently and implemented with a 10 kVA matrix converter [38]. 18.5.2 Commutation and Protection Issues in a Matrix Converter...
Ngày tải lên: 13/05/2014, 00:55
Control and implementation of a new modular matrix converter
... waveforms TABLE I: Comparison of conventional matrix converter with new modular matrix converter. Conventional matrix converter Proposed new modular matrix converter Voltage conversion ratio V out /V in Buck: V out ≤ ... simpler than in the conventional matrix converter. The new modular matrix converter and the conventional matrix converter are compared in Table I....
Ngày tải lên: 13/05/2014, 00:55
Direct control methods for matrix converter and induction motor
... Mode Control of matrix converters. I. INTRODUCTION In recent years many research results on control methods for matrix converters have been published. In the field of matrix converter control ... a DCC method for matrix converters is presented. It is based on the analysis of the matrix converter s transfer characteristics. By applying a switching state to the matrix converter...
Ngày tải lên: 13/05/2014, 00:55
Fundamentals of matrix converter
... of the matrix converter switching states combinations (from now on simply matrix converter configurations) to be used must comply with two basic rules. Taking into account that the converter ... S hk Matrix Converter Varistors Varistors 25 But the varistors triangles, by themselves, are not sufficient to guarantee, during a converter shut-down, a reliable protection...
Ngày tải lên: 13/05/2014, 00:55
Indirect space vector control of matrix converter
... function. R I T ∗ = ⋅ = 6 5 4 3 2 1 12 10 8 11 9 7 S S S S S S S S S S S S SSS SSS SSS cCbCaC cBbBaB cAbAaA (5) where the matrix I is the inverter transfer function and the matrix R is the rectifier transfer function. This way to model the matrix converter provides the basis to regard the matrix converter ... of matrix convert...
Ngày tải lên: 13/05/2014, 00:55