3. The zero sequence current is times the current in neutral wire.
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- Consider Figure 3.5. Match the following, those on the left to those on the right. (i) Im (a) Exciting current (ii) Ic (b) Magnetizing Current (iii) Ie (c) core loss currentState the main constituent elements of electrical cables, as well as the materials from which they may be made. Describe the following designations: H05VV-U 1G4 mm? and LSXAV 3x16 mm?.Can you help me ? Three identically shaped segments of different materials have a voltage of 120 mV applied between their ends. As a result of the voltage, segment A has a current of 2500muA , segment B has a current of 105 μA and segment C has a current of 0.000002 A. The materials are conductor, semi- conductor and insulators as Determined?
- b) A certain winding made up of copper has a resistance of 100 Q at room temperature. If resistance temperature coefficient of copper at 0 C° is 0.00428/C°, calculate the winding resistance if temperature is increased to 45 C°. Assume room temperature as 25 C°.2. Show full solution. Magnetically coupled circuits.. Using the I – V curves how are ohmic materials different from non-ohmic materials
- 5. Magnetically-Coupled circuitQuestion No.9. In Arc weldingcoated electrode provide any of these functions except heat sourc controls weld reacts with environment to form slag FluxingFerromagnetic materials have this characteristic. A. A relative permeability slightly less than one. B. A relative permeability slightly greater than one. C. A very high resistivity. D. A high relative permeability.
- I changed the wire material from copper to aluminum to string refer to the figures below. Can you explain the difference of the three materials?Calculate element and welding currents with mesh analysis.f. If the upper sphere fell down on ground by accident, and its shape became irregular with having some sharp edges, is the breakdown voltage going to be higher or lower or the same when using it again? Explain why.