Magnetic core and windings (or coils) are the two basic parts of any transformer. The core is made of silicon…
Similar to the d.c. generators, the d.c. motors are classified depending upon the way of connecting the field winding with…
Q.1 What does 10V AC mean? Is it the RMS voltage or Peak voltage or Average voltage? Answer. In general,…
Full-load voltage of a transformer can be expressed as a fraction of the full-load terminal voltage. Let I1fl be the full-load primary…
Polarity testing of transformers is vital before connecting them in parallel. Otherwise, with incorrect polarity, it is not possible to…
Figure 1.15 shows sandwich windings used in shell-type transformers. The high-voltage and low-voltage windings are split into a number of…
Shell-type transformer has double magnetic circuit and three limbs. Both windings are placed on the central limb. The coils occupy…
Hysteresis loss and eddy current loss are the components of the iron losses. For the applied fl ux density Bmax to the…
The main purpose of this test is to compute the following: Equivalent impedance of the transformer referred to primary and…
Figure 1.9 shows spiral core-type transformer where the core is assembled either of a continuous strip of the transformer steel…