2 Pole Elementary DC Machine

2 Pole Elementary DC Machine

2 Pole Elementary DC Machine: Figure 5.13 shows a 2 Pole Elementary DC Machine with a single coil rotating armature. It may be seen that the field winding is stationary…

Continue Reading 2 Pole Elementary DC Machine
Application of Permanent Magnet Motor

Application of Permanent Magnet Motor

Application of Permanent Magnet Motor: Application of Permanent Magnet Motor are given in Table 2.1. These properties are: residual flux density Br, coercive magnetizing force Hc maximum energy stored (BH)max…

Continue Reading Application of Permanent Magnet Motor

Power Converters Articles

Power Converters Articles: What is a Power Converter? Solid-state power converter are employed for obtaining the appro­priate form of electrical energy such as direct current or adjustable-frequency alternating current (required…

Continue Reading Power Converters Articles
Electrical Power Engineering Articles

Electrical Power Engineering Articles

Electrical Power Engineering Articles: This Electrical Power Engineering Articles which includes the following topics:   Refrigeration Cycle Diagram Explain Vapour Compression Refrigeration System Explain Vapour Absorption Refrigeration System Thermoelectric Refrigeration…

Continue Reading Electrical Power Engineering Articles

Starting of Electric Drives

Starting of Electric Drives: The most important processes associated with controlled electric drives are (i) starting, (ii) speed control (iii) braking, (iv) reversal of direction of rotation. All these are…

Continue Reading Starting of Electric Drives

Nature of Electric Supply

Nature of Electric Supply: The nature of electric supply available may be 3-phase ac, single-phase ac or dc. In case three-phase ac supply is available, polyphase induction motor, squirrel cage…

Continue Reading Nature of Electric Supply

Protective Devices and Interlocks

Protective Devices and Interlocks: Protective devices must be incorporated in the control circuit (or circuits) to interrupt the flow of current to the motor to guard against overloads or other…

Continue Reading Protective Devices and Interlocks