In the magnetic circuit detailed in Figure I with all dimensions in mm, a) Draw the...
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In the magnetic circuit detailed in Figure I with all dimensions in mm, a) Draw the electrical equivalence of the below magnetic circuit. b) Calculate the required current to be passed in the coil having 300 tums in order to establish a flux of 3 mWb in the air gap. Neglect Tringing effect and leakage flux. The B-H curve of the material is given in Figure 2. Permeability of air may be taken as, u0 - 4x x 10 H/m c) Determinate the inductance of the coil. R N. M Fig: 1. magnetic circuit. PQ = QR = UT = TS = 200 mm PU = QT = RS 300 mm QM = WT Lg = MW = 0.12 mm A = 0.003 m ... . 2.4 2.0 1.6 1.2 0.8 0.4 1000 2000 3000 H (AT/m) Figure 2. For Q1. B in Tesla In the magnetic circuit detailed in Figure I with all dimensions in mm, a) Draw the electrical equivalence of the below magnetic circuit. b) Calculate the required current to be passed in the coil having 300 tums in order to establish a flux of 3 mWb in the air gap. Neglect Tringing effect and leakage flux. The B-H curve of the material is given in Figure 2. Permeability of air may be taken as, u0 - 4x x 10 H/m c) Determinate the inductance of the coil. R N. M Fig: 1. magnetic circuit. PQ = QR = UT = TS = 200 mm PU = QT = RS 300 mm QM = WT Lg = MW = 0.12 mm A = 0.003 m ... . 2.4 2.0 1.6 1.2 0.8 0.4 1000 2000 3000 H (AT/m) Figure 2. For Q1. B in Tesla
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