Constant Current Driver Design based on LM317
Using a resistor to limit the current can be used for small LEDs. For such low power LEDs, where the … Continue Reading
What Jobs Electrical Engineers Do? | Roles and Responsibilities
Are you an electrical engineer searching for a job now? Thinking of what to do next? Have you ever thought about … Continue Reading
Why Current Transformer (CT) Seconday Should not be Open ?
Amazed why secondary of current transformer should not be open? If it is left open it may destroy the current … Continue Reading
Ideal Transformer and Practical Transformer
Ideal Transformer An ideal transformer is one that has no winding resistance no leakage flux i.e., the same flux links … Continue Reading
Properties of Good Transformer Oil
Even though the basic functions of the oil used in transformers are heat conduction and electrical insulation, there are many other properties which … Continue Reading
Percentage Impedance of Transformer and Its Calculation
The percentage impedance of a transformer is marked on most nameplates – but what is it and what does the Z% figure … Continue Reading
What are Motor Control Centres?
The Motor Control Centre is used in general to describe combinations of enclosures, busbars, circuit breakers, power contactors, power fuses, … Continue Reading
Types of Gas Turbine Engines
For an individual generator that is rated above 1000 kW, and is to be used in the oil industry, it … Continue Reading
Why we need Power System Protection?
In this article, you will learn the importance of protection in the modern power system and why we need power … Continue Reading
Comparison between Induction Motor and Transformer
An induction motor may be considered to be a transformer with a rotating short-circuited secondary. The stator winding corresponds to … Continue Reading