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Emf = 541.67 V

An over excited synchronous motor will take current at leading p.f.

A V-curve of a synchronous motor shows the relation between armature currents as ordinates and field currents as abscissas when the motor operates with a constant power input at rated terminal voltage.
V curve is a plot of the stator current versus field current for different constant loads.
The Graph plotted between the armature current Ia and field current If at no load the curve is obtained known as V Curve.

Two Wattmeter Method can be employed to measure the power in a 3 phase, three wire star or delta connected the balanced or unbalanced load.

Ward Leonard method of speed control is used for controlling the speed of a DC motor. It is a basic armature control method.

Its job is to emit or inject electrons into the base. These bases are lightly doped and very thin, it passes most of the emitter-injected electrons on to the collector. … The collector is so named because it collects electrons from base.

Rao Bahadur Oyyarathu Chandu Menon (also known as O. Chandu Menon) (1847?1899) was a Malayalam language novelist from Kerala state, India. He is the author of Indulekha, the first major novel in Malayalam published in 1889.

Chandu Menon started his career as a clerk in the government service. William Logan, author of the Malabar Manual appointed him as a clerk at Sub-Collector’s office.

The maximum number of electrons that can occupy the outermost energy level or valence shell of a Representative Element is eight (the exception is helium, which also exhibits a filled valence shell, but only it requires only 2 electrons).

Malabar by William Logan (popularly known as the Malabar Manual) is an 1887 publication commissioned by the Government of Madras, and originally published in two volumes. It is a guide to the Malabar District under the Presidency of Madras in British India, compiled during Logan’s tenure as Collector of Malabar.

Speed of the DC motor is directly proportional to the back emf and inversely proportional to the flux produced by field.
Where, flux produced is directly proportional to the current passing through the field winding (linear magnetization).

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