**Rotating Machines:**

**2 Pole DC Machine :** Figure 5.13 shows a 2 Pole DC Machine Diagram with a single coil rotating armature. It may …

**Current sheet Concept**** :** Current sheet Concept – It was seen above that a distributed winding gives rise to a stepped mmf …

**DC Machine Armature Winding**** :** With reference to the single-coil elementary DC Machine Armature Winding of Figs 5.13 and 5.14(a) which shows …

**Distributed Winding**** :** Distributed Winding – It may be seen from Eq. (5.7) that the flux/pole is limited by the machine dimensions …

**Electric Motor Characteristics**** :** The machine and the load are the two components of an electro-mechanical energy-conversion system, and the Electric Motor …

**Emf Generator of AC Winding**** :** Emf Generator of AC Winding – The B-wave of a synchronous machine (in general multi-polar) assumed …

**Harmonic Analysis in Distributed Winding**** :** The flux density wave of a synchronous machine is never exactly sine wave. Because of odd …

**Magnetic Flux Leakage in Rotating Machines**** :** The Magnetic Flux Leakage in rotating machines is that flux which links only the stator …

**MMF of AC Distributed Winding**** :** It has been seen earlier that the armature what-when-how.comof a practical machine has distributed winding wound …

**Principle of Induction Machine :** Principle of Induction Machine has not been introduced so far. Consider a cylindrical rotor machine with both …

**Rating and Loss Dissipation**** :** The Rating and Loss Dissipation of a synchronous generator is its operating voltage, frequency, speed and kVA/MVA …

**Rotating Electrical Machines :** We Know that electromechanical energy conversion takes place whenever a change in flux is associated with mechanical motion. …

**Rotating Electrical Machines Losses and Efficiency :** Rotating Machines Losses Classification – The Losses and Efficiency of a transformer have been …

**Rotating Magnetic Field**** :** Rotating Magnetic Field – It was seen earlier that the sinusoidal current in any phase of an ac …

**Short Pitch Coil :** Short Pitch Coil – So far it was assumed that the stator coils are full-pitched (a span of …

**Synchronous Machine Torque Equation**** :** Figure 5.36 shows a Synchronous Machine Torque Equation with a round rotor. The rotor is initially stationary …

**Synchronous Machine Working Principle**** :** Figure 5.2 shows the simplified version of an ac Synchronous Machine Working Principle with a 2-pole field …

**Three Phase Synchronous Generator**** :** Practical synchronous generators are always of the 3-phase kind because of the well-known advantages of a 3-phase …

**Torque in Round Rotor Machine**** :** Torque in Round Rotor Machine – When the stator and rotor windings of a machine both …

**Two layer Transformer Winding :** One important and commonly used way of neatly arranging the end connection of coils in a winding …