Research Article

Convergence Region of Newton Iterative Power Flow Method: Numerical Studies

Figure 7

Convergence region of IEEE 14-bus system with different load models on ( ) plane: (a) constant impedance load; (b) constant current load; (c) constant power load; (d) ZIP load.
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(a) Constant impedance load
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(b) Constant current load
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(c) Constant power load
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(d) ZIP load