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How does fault ride-through capability work in wind turbines?
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Explain the concept of doubly-fed induction generators (DFIG) in wind turbines.

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How does a high impedance restricted earth fault protection scheme provide stability during through faults?

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A plant consists of two 10 MVA generators of reactance 18% each and two 5 MVA generators of 12% each. All are connected to bus bar to supply a load through three step up transformers of 8 MVA each having reactance of 8%. Determine fault MVA on HV side of any one transformer.

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How does a voltage dependent earth fault protection scheme work in compensated networks?

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How does a voltage dependent earth fault protection scheme work in resistance earthed systems?

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How does a transient earth fault protection scheme work in compensated networks?

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How does a cross-country fault protection scheme work in isolated neutral systems?

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How does an SCR's forward blocking capability change with temperature?

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How does a GFCI (Ground Fault Circuit Interrupter) outlet work?

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How does a voltage dependent directional earth fault protection scheme work?

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How does a high resistance earth fault protection scheme work?

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How does a ground fault neutralizer (Petersen coil) work?

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How does a restricted earth fault (REF) protection scheme work?

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How does a ground fault circuit interrupter (GFCI) work?

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How does offshore wind energy compare to onshore wind in the USA?

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How do you calculate the power transfer capability of a line?

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How does a wind power converter manage variable speed operation?

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What is the main way that we turn turbines in the US?

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What is the output power capability of a typical SMPS?

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How does a percentage differential relay provide stability during through faults?

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What role does the USA play in global energy markets through power generation?

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Explain with layout the working of a typical thermal power plant with steam turbines and electric generators.

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How does a directional comparison blocking scheme handle external fault current reversal?

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How does a voltage controlled directional earth fault protection scheme determine fault direction?

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How does a negative sequence directional overcurrent protection scheme determine fault direction?

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How does a voltage dependent directional overcurrent relay determine fault direction?

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How does a sensitive earth fault protection scheme detect high impedance faults?

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How does a voltage polarized directional overcurrent relay determine fault direction?

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How does a restricted earth fault protection scheme differ from unrestricted earth fault protection?

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How does a restricted earth fault (REF) relay protect transformer windings?

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How does a directional overcurrent relay determine fault direction?

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What is shoot-through in a bridge circuit and how is it prevented?

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How do smart grids improve the integration of solar and wind energy?

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What is the purpose of a crowbar circuit in wind turbine protection?

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Compare Horizontal axis and vertical axis wind machines on the basis of: (i) Power captured for the same tower height. (ii) Noise problem. (iii) Complexity of design and yaw mechanism (iv) Effect of fatigue arising from numerous resonances in structure.

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What are the latest trends in wind power development in the USA?

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What is the potential for offshore wind energy in the USA?

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What is the current capacity of wind power in the USA?

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How do you implement fault detection in inverter systems?

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How do surface mount LEDs differ from through-hole LEDs?

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How do you fish wires through walls without damaging the structure?

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Which type of current always flows in one direction through a wire?

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Recall the steps followed in walk through energy audit.

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