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What is Buchholz relay faults?
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What is the function of a Buchholz relay in transformer protection?

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What is the purpose of a Buchholz relay in transformer protection?
Answer : A Buchholz relay is a protective device used in transformers, primarily for detecting faults like gas accumulation and oil movement inside the transformer tank. It's a vital safety feature that ... or oil movement), helping to prevent bigger problems and ensuring the transformer operates safely....

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Describe the construction and operation of the Buchholz relay with a neat labeled diagram.

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

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How does a voltage balance relay detect broken conductor faults?

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How does a high impedance busbar differential protection scheme provide stability during external faults?

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How does a voltage memory polarizing scheme enhance directional protection during close-in faults?

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How does a negative sequence overcurrent protection scheme detect broken conductor faults?

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How does a negative sequence overcurrent protection scheme detect high resistance phase-to-phase faults?

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

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How does a power swing detection scheme differentiate between faults and power swings?
Answer : Power swing detection is an important aspect of power system protection, particularly in transmission lines. A power swing refers to a large, temporary oscillation in the power system, typically caused by ... protection action) or a power swing (which may require monitoring and a delayed response)....

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How does a voltage restrained differential protection scheme provide stability during external faults?

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How does a negative sequence differential protection scheme detect turn-to-turn faults?

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How does a current unbalance protection scheme detect rotor faults in generators?

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How does a negative sequence overcurrent protection scheme detect unbalanced faults?

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How does a voltage balance scheme detect broken conductor faults in transmission lines?

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

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How does a current unbalance protection scheme detect asymmetrical faults?

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How does zero-sequence protection detect ground faults?

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Why the reactance of a system under fault condition is low and faults currents may raise dangerously high value. ? (With simple example)

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Give the causes and impact and reasons for grid system faults.

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Give the justification with diagram – “Earthing saves human life during Electrical faults”. State adverse effect of improper earthing system.

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Explain in brief four causes of faults in the power system.

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State any four causes of faults in the power system.

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Differentiate between symmetrical and unsymmetrical faults (any two points).
Answer : Here's a simple differentiation between symmetrical and unsymmetrical faults: 1. **Nature of Fault**: - **Symmetrical Faults**: These involve all three phases of the system (in a three-phase system ... methods because they don't affect the system equally. Let me know if you need more details!...

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State any four types of faults and their causes in electrical power system

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List different types of faults occured on a power system. Draw necessary sketches (any four)

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What are common rectifier faults?
Answer : Common rectifier faults can arise from several issues related to components, connections, or operational conditions. Here are the most typical ones: ### 1. **Open Circuit (No Output) ... faults, you can troubleshoot rectifier problems and ensure smoother operation of your power conversion systems....

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What is the difference between a relay and a multiplexer?

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