Swinburne’s Test of DC Machine (Generator and Motor)
Swinburne’s test is the simplest indirect method of testing dc machines. In this method, the dc machine (generator or motor) … Continue Reading
DC Generator
Testing of DC Machines (DC Motor and DC Generator)
There are several tests that are conducted for testing a dc machine (generator or motor) to judge its performance. The most important … Continue Reading
Back EMF and Its Significance in DC Motor
What is Back EMF? When the armature of a DC motor rotates under the influence of the driving torque, the armature … Continue Reading
Compensating Windings and Interpoles in DC Machines
Compensating Windings and Interpoles are one of the important step taken to minimize the undesirable effect of armature reaction in … Continue Reading
Advantages of Operating DC Generators in Parallel
In a DC power plant, power is usually supplied from several generators of small ratings connected in parallel instead of … Continue Reading
Armature Reaction in Alternator
Armature reaction in alternator is the effect of armature flux on the field flux (i. e., rotor ampere-turns). Read this … Continue Reading
Electric Motor Maintenance : Preventive, Predictive and Reactive Maintenance
Electric Motors need maintenance regularly in order to avoid failure and prolong their lifespan. Generally, motors and motor parts should … Continue Reading
Parallel Operation of DC Series Generator
The interesting thing about the parallel operation of the DC series generator is that DC series generators are not usually … Continue Reading
Armature Reaction in DC Generator
DC generators have been fundamental in the history of electrical power generation. Yet, behind their seemingly simple operation lies a … Continue Reading
Characteristics of DC Compound Generator
The characteristics of DC compound generator refer to the relationship between various parameters that define the operational behavior of the … Continue Reading