Design the low voltage winding

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Reference no: EM131554154 , Length: 10

PROCEDURE FOR THE DESIGN OF TRANSFORMERS

The following points may be noted in designing the transformers:

Specifications of the transformer to be designed.

Choose the voltage per turn, E_tvolts.

Choose the maximum flux density, B_mWb/m²

Calculate the net cross-section of the core, A_i

Find the diameter of the circumscribing circle of the core, D.

Choose the window area A_w from K_w.

Find the turns in the low voltage winding (L.V) , T₂.

Find the turns in the high voltage winding (H.V) , T₁.

Choose the current density, δ A/m² or MA/m².

Find the conductor size of the L.V winding, a₂.

Find the conductor size of H.V winding, a₁

Find the ratio of cross-section of copper of L.V and H.V windings in window to window area A_w.Check kW.

Choose the layout of L.V and H.V winding.

Choose the core frame; the core diameter, window, yoke, overall core size.

Design the low voltage winding.

Design the high voltage winding.

Calculate the % reactance.

Calculate the % resistance.

Calculate the % impedance.

Find the weight of the iron in core and yoke.

Find the core or iron loss.

Find the magnetizing VA.

Find the weight of L.V winding.

Find the weight of H.V winding.

Find the resistance of L.V and H.V winding.

Find the turns ratio of H.V/L.V., i.e.T₁/T₂.

Calculate the equivalent resistance referred to H.V.

Calculate the copper loss 3I^2r allowing 7% to 10% for stray load loss; find the load loss at 75 degree Celsius.

Attachment:- Transformer using MATlab.rar

Reference no: EM131554154

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len1554154

7/5/2017 5:50:50 AM

This document helps in designing a transformer using MATlab can be used as a final year peoject for electrical students. Design of transformer and rotating machine plays important role in manufacturing and marketing. Most important unit in practical application of electrical network is transformers of various specifications. Starting from distribution to power transformers .Transformers like instrumentation transformer is also very important. For fast design in meeting demand for the units, standard software is necessary.

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