Power transformers : principles and applications /
John J. Winders, Jr.
- New York : Marcel Dekker, c2002.
- xiii, 283 p. : ill. ; 24 cm.
- Power engineering ; 17 .
- Power engineering ; 17. .
Includes bibliographical references and index.
Series Introduction / Basic Transformer Theory -- Definition of a Transformer -- Magnetic Units and Conversion Factors -- Currents and Magnetic Fields -- Magnetic Induction -- Constructing a Simple Transformer -- The Magnetic Circuit -- The B-H Curve -- The B-H Curve and Hysteresis -- Magnetizing Currents and Harmonics -- Transformer Core Design and Construction -- Magnetostriction -- Completing the Transformer by Adding a Second Winding -- Placement of the Windings -- Two-Winding Transformer Connections -- The Y-Y Connection in Three-Phase Systems -- Advantages of the Y-Y Connection -- Disadvantages of the Y-Y Connection -- The Y-[Delta] Connection and the [Delta]-Y Connection -- Phase Angle Displacement and Phase Rotation -- The Y-[Delta] Grounding Bank -- The Zigzag Connection -- Comparisons of Economy of the Different Winding Configurations -- Trade-Off Between Steel and Copper in the Design of a Transformer -- Connecting Three-Phase Banks Using Single-Phase Transformers -- Transforming Three-Phase Voltages into Two-Phase Voltages -- The Scott Transformer Connection -- Three-Phase Transformer Designs -- Standard Terminal Markings for Transformers -- Transformer Impedance and Losses -- Leakage Flux and Leakage Reactance -- Conductor Losses -- No-Load Losses -- Magnetizing Reactance -- Equivalent Circuit of a Two-Winding Transformer -- A Brief Tutorial on Symmetrical Components -- Transformer Equivalent Circuits Modeled in Zero Phase Sequence Networks -- Series Impedance and Regulation. H. Lee Willis --
"Power Transformers features extensive coverage on zigzag, Scott, tee, wye, and delta connections ... tap changing under load and variable-phase shifting ... advantages and disadvantages in coil selection and construction ... symmetrical components ... transformer nameplate rating, thermal capability, and rate calculation of loss of life ... abnormal operating conditions such as overloads, short circuits, single phasing from primary fuse operations, ferroresonance, and voltage surges ... proper system design and selection to reduce faulty operation ... and preventive and predictive maintenance, good utility practices, factory and field testing, and failure rate analysis."--Jacket.