Testing of DC Machine

The testing of DC machines is needed for proper fabrication and to ensure hassle-free operations. The main tests used for DC machines are: Open circuit test Short circuit test Load test Determination of efficiency Open Circuit Test The open circuit test is needed to determine the open circuit characteristic or magnetizing characteristic of a dc … Read more

Swinburne Test of DC Machine

This method is an indirect method of testing a DC machine. It is named after Sir James Swinburne. Swinburne’s test is the most commonly used and simplest method of testing of shunt and compound wound DC machines which have constant flux. In this test the efficiency of the machine at any load is pre-determined. We … Read more