The load-flow solution is always assured in case of:

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The load-flow solution is always assured in case of: A) Newton-Raphson method B) Gauss-Seidel method C) Fast Decoupled method D) None of these methods guarantee

The load-flow solution is always assured in case of: A) Newton-Raphson method B) Gauss-Seidel method C) Fast Decoupled method D) None of these methods guarantee

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In the solution of load flow equation, Newton Raphson (NR) method is superior to the GaussSeidal (GS) Method, because the:  (A) Convergence characteristic of the NR methods are not affected by selection of slack bus (B) Number of iterations required in the NR method is not independent of the size of the system (C) Time ... the NR method is less when compared to the GS method (D) Number of iteration required in the NR method is more than compared to that in the GS method

In case of load flow analysis one of the system buses is taken as swing bus (a) as reference bus (b) to compensate the system losses (c) both (a) and (b) (d) to reduce the system losses

The Gauss seidel load flow method has the following disadvantages. Tick the incorrect statement.  A) Unreliable convergence B) Slow convergence C) Choice of slack bus affects convergence D) A good initial guess for voltages is essential for convergence

In the case of an unsymmetrical alternating current the average value must always be taken over?

In case of a power transformer, the no load current in terms of rated current is (1) 10-20% (2) 15-30% (3) 2-6% (4) 30-50%

In the load flow analysis, a Jacobian is a matrix of size n × n with (A) constant elements (B) upper triangular constant elements (C) first partial derivative elements (D) second partial derivative elements

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If the reference bus is changed in two load flow runs with same system data and power obtained for reference bus taken as specified P and Q in the latter run, the system losses  A) Will be unchanged but complex bus voltages will change B) Will change but complex bus voltage remain unchanged C) As well as complex bus voltage will changed D) As well as complex bus voltage will be unchanged

In load flow analysis, the load connected at a bus is represented as?

Maximum current will flow through an electrical circuit in case of___________. A. Ohm’s Law B. open circuit C. parallel circuit D. Short circuit

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