Why DC Series Motor has High Starting Torque?
DC series motor is widely used for high inertia loads like Hoists, cranes, Rotary Kiln, and Traction that require high initial torque at the start. … Read more
Electrical
Can Protection CT be used as Metering CT & Vice Versa?
We can not use the protection class CT in place of metering CT & vice versa. Protection class CT and metering class CT are used … Read more
Percentage Impedance of Transformer & Its Calculation
This article describes the percentage impedance of the transformer & its calculation. In this article, we will learn what is percentage impedance and how to … Read more
Effect of Harmonics on Power Factor
This article describes the effect of harmonics on the power factor. The nonlinear loads cause harmonics in the electrical power system and adversely affect the … Read more
How does Soil Resistivity Effect the Earth Resistance?
The soil resistivity directly affects the earth resistance. The earth resistance increase with an increase in the soil resistivity. In this article, we will discuss … Read more
Difference Between Valence Band and Conduction Band
This article describes the difference between the valence band and the conduction band. The valance band and conduction band represent the energy levels of the … Read more
df/dt Relay – Rate of Change of Frequency(ROCOF) Relay
df/dt Relay – Rate of Change of Frequency(ROCOF) Relay is used for load shedding when there is a sudden loss of generating capacity. In this … Read more
What is a Transformer? Definition & Meaning
A transformer is a static piece of equipment that does not have any moving parts in it. The transformer transforms higher voltage to lower voltage … Read more
Difference between Power Transformer & Distribution Transformer
This article describes the difference between a power transformer & distribution transformer. Power transformers and Distribution transformers are widely used in power systems for step-up and … Read more
Why Single Phase Induction Motor is not Self-Starting?
The main reason why a single-phase induction motor is not self-starting is that it produces a revolving magnetic field and not a rotating magnetic field. … Read more