A comprehensive treatment of the principles of power electronics, this text is unusually thorough in that it covers the high-power circuits associated with thyristorised power controllers and the low-power electronic control circuitry vital to the operation of a practical system. A special feature of the book is its detailed presentation of gating and control circuits associated with each type of converter. An outstanding text and reference for the study and design of power electronic apparatus such as thyristor converters, cycloconverters, inverters, and choppers.

Thyristorised Power Controllers

Engineering & Transportation

Joshi, A. W.

Dubey, G. K.

Doradla, S. R.

Sinha, R. M. K.

Engineering

wiley

This updated edition contains a good deal of new and relevant material including Bessel inequality, vector spaces of functions, physical laws and invariance principle, invariance in 3-D Newtonian and 4-D Minkowski spaces, fully antisymmetric tensors and their contraction. Discusses normal matrices and features a proof of the general theorem that a matrix posesses a complete set of orthonormal eigenvectors if and only if it is a normal matrix. Over 200 exercises and 100+ solved problems help students grasp the concepts presented.

Matrices and Tensors in Physics

Science & Math

Physics

Wiley-Interscience

John Wiley&Sons

Elements of Group Theory for Physicists

Mathematics

the advantages of group theory in physics were not recognized till 1925 when it was applied for formal study of theoretical foundations of quantum mechanics, atomic structures and spectra by, to name a few, H A Bethe, E P Wigner, etc. It has now become indispensable in several branches of physics and physical chemistry. Dr. Joshi develops the mathematics of group theory and then goes on to present its applications to quantum mechanics, crystallography, and solid state physics. For proper comprehension of representation theory, he has covered thoroughly such diverse but relevant topics as Hilbert spaces, function spaces, operators, and direct sum and product of matrices. He often proceeds from the particular to the general so that the beginning student does not have an impression that group theory is merely a branch of abstract mathematics. Various concepts have been explained consistently by the use of the C4v. Besides, it contains an improved and more general proof of the Schurs first lemma and an interpretation of the orthogonality theorem in the language of vector spaces (Chapter 3).Throughout the text the author gives attention to details and avoids complicated notation.

Elements of Group Theory for Physicists: 3rd Ed

John Wiley and Sons Ltd.

Matrices and tensors in physics

Elements of group theory for physicists

The mathematical study of group theory was initiated in the early nineteenth century by such mathematicians as gauss, cauchy, abel, hamilton, galois, cayley, and many others. However,

New Age Int'l Ltd Pub

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Books by Joshi, A. W.