What is generator?
Generator:
Generator is a electrical machine which converts mechanical energy into electrical energy.
Types of generator:
i)Ac generator
ii)Dc generator
These can be further classified.
Network Theorem
1. Application of Kirchoff's Laws in Network Solution What is Kirchhoff's current and voltage Law (KCL & KVL) ? KIRCHOFF’S CURRENT LAW (KCL) It states that “ In any circuit or network, the algebraic sum of currents meeting at a point is 0”. In other words, total current leaving a junction is equal to total current entering that junction. C onsider a junction A, where five branches carrying currents I1, I2, I3, I4 and I5 meet.Where I1 ,I4 are incoming current and I2, I3, I5 are outgoing current. Then, according to KCL I1+(-I2)+(-I3)+I4+(-I5) = 0 or, I 1- I2- I3 + I4- I5 = 0 or, I 1 + I4 = I2 +I3 +I5 i.e. INCOMING CURRENT = OUTGOINT CURRENT KIRCHOFF’S VOLTAGE LAW (KVL) It states that “ The algebraic sum of product of current and resistance in each of the conductors in any closed path or mesh plus the emf in that path is always 0”. i.e. Ʃ IR + Ʃ emf = 0 Kirchhoff's Current Law (KCL) : This law states that the sum of currents entering a junction in an electrical circu...
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