2. The 2 – i relationship for an electromagnetic system is given by: 1.2Vi a =1.2 where g is the air gap length. For current i = 2 A and g = 10 cm, determine the mechanical force on the moving part: a) by using the energy of the system. b) by using the co-energy of the system. c) Comment on the results that you have found on part a and b. Discuss the choice of energy and co- energy approaches.
2. The 2 – i relationship for an electromagnetic system is given by: 1.2Vi a =1.2 where g is the air gap length. For current i = 2 A and g = 10 cm, determine the mechanical force on the moving part: a) by using the energy of the system. b) by using the co-energy of the system. c) Comment on the results that you have found on part a and b. Discuss the choice of energy and co- energy approaches.
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Transcribed Image Text:2. The 1 - i relationship for an electromagnetic system is given by:
1 = 1.2-
where g is the air gap length. For current i = 2 A and g = 10 cm, determine the mechanical force on the
moving part:
a) by using the energy of the system.
b) by using the co-energy of the system.
c) Comment on the results that you have found on part a and b. Discuss the choice of energy and co-
energy approaches.
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