Circle diagram Circle diagram First conceived by A. Heyland in 1894 and B.A. Behrend in 1895, the circle diagram is the graphical representation of the performance of the electrical machine drawn in terms of the locus of the machine's input voltage and current. The circle diagram can be drawn for alternators, synchronous motors, transformers, induction motors. The Heyland diagram is an approximate representation of circle diagram applied to induction motors, which assumes that stator input voltage, rotor resistance and rotor reactance are constant and stator resistance and core loss are zero. Another common circle diagram form is as described in the two
Love Is a Four Letter Word (album) Love Is a Four Letter Word (album) Love Is a Four Letter Word is the fourth studio album by the American singer-songwriter Jason Mraz, released on April 13, 2012, by Atlantic Records. "I Won't Give Up" was released as the album's first single on January 3, 2012. In November 2009, Mraz posted on his MySpace page plans for a new album to be recorded starting in December, writing, "In 2 weeks time I will enter the studio and begin recording the next album. Only a handful of songs are written and slated but the momentum of love is with me.