Parallel Operation Of Single-Phase Transformer
It is required to connect a second transformer in parallel with the first transformer if the load exceeds the rating of the…
Basic Terms In Electrical Machine
INDUCED EMF An emf is induced in the conductor either (i) dynamically or (ii) statically. In the first case, the conductor will…
Conservator And Breather
Satisfactory operation of a transformer solely depends on the condition of the oil. It is required to keep the oil clean and…
Construction Of Single-Phase Transformer
Magnetic core and windings (or coils) are the two basic parts of any transformer. The core is made of silicon or sheet…
Sandwich Windings In Transformer
Figure 1.15 shows sandwich windings used in shell-type transformers. The high-voltage and low-voltage windings are split into a number of sections where…
Spiral Core Type Transformer
Figure 1.9 shows spiral core-type transformer where the core is assembled either of a continuous strip of the transformer steel wound in…
Speed Torque Characteristics In Three Phase Induction Motor
Uptill now, we have seen torque – slip characteristics of an induction motor. To compare the performance of induction motor with d.c.…
Multiple Choice Questions Of Synchronous Generator Part 1
Hello Engineers. 1. In an alternator, voltage drops occurs in (A) armature resistance only (B) armature resistance and leakage reactance (C)…
Synchronization With Infinite Bus Bar
There is a specific procedure of connecting synchronous machine to infinite bus bars. Infinite bus bar is one which keeps constant voltage…
Synchronous Induction Motor
In the applications where high starting torque and constant speed are desired then synchronous induction motors can be used. It has the…