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What is vector group of transformer?

Vector Group of Transformers                     • A vector group is the International Electrotechnical Commission (IEC) method of categorizing the high voltage (HV) windings and low voltage (LV) winding configurations of three-phase transformers.                      • Vector group is a connection of primary winding , secondary winding and an electrical angle difference .                      • The vector group designation indicates the windings configurations and the difference in phase angle between them. The three phase transformer windings can be connected several ways. Based on the windings’ connection, the vector group of the transformer is determined. •              The transformer vector group is indicated on the Name Plate of transformer by the manufacturer. The vector group indicates ...
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Eclipses

What is Eclipse?  .                        When the light of the sun or the moon is obscured by another body the sun or moon is said to be in eclipse . Lunar Eclipse . When the earth comes between the sun , the shadow cast by the earth on the moon results in a lunar eclipse . Lunar eclipse  occurs only on a full moon day but not on every full moon day . Solar Eclipse . When the moon  comes between the sun and the earth , it causes obstruction of the sun's light when viewed from earth , and is called solar eclipse . A solar eclipse occurs on a new moon day when the moon is in line with the sun . However , solar eclipse does not occur on every new moon day .
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Who was Shah Abdul Latif Bhitai ?

          Poet , saint and philosopher Shah Abdul Latif Bhitai was born in 1687 A.D in a small village Hala Haveli District Hyderabad . He was son of Sayed Habid Shah and great grand son of Shah Abdul Karim of Bulri .Shah Abdul Latif was of sensitive mind . He began composing poetry at an early age . He was vast travelled person . The subject of his multi dimensional . The main topics of his poetry are love of God and his prophet , love of land and it’s people . He has not only shown the love for his native land but he has expressed well wishes for whole the world.                  Shah Abdul Latif was not only a poet but also the scholar of Sindhi , Arabic , Persian and Hindi . His scholarship is evident from his poetry . Shah Abdul Latif invented a simple musical instrument called Tambooro . Which is common all over the Sindh now a days . His poetry has deep meaning in his wor...
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