DC Voltage: What is it? (Circuit Symbol & Wire Color Codes)
What is DC Voltage? DC voltage stands for Direct current voltage. It is the type of voltage that we get from batteries, DC generators, and
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.
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
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
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
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
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
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
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
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