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Neutral ct
Why do we use neutral ct in a transformer?
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Impedance matching
Explain briefly about impedance matching and how the transformer serves in impedance matching?
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Measure Reactive Power
Can we measure reactive power by using only a single wattmeter? If Yes, How?
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Transformer Voltage Regulation
Which of the following test are to be conducted for the determination of voltage regulation of a transformer.a. Load Testb. Short Circuit Testc. OC Testd. Retardation Test.
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DC Voltage Frequency
What is the frequency of DC Voltage?
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DC supply to Transformer
Why the transformer will burn if DC supply is given?
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Overall Power Factor of a Panel.
In a panel, I have following loads with respective power factor,
load A - 0.85
load B - 0.8
Load C - 0.9
How to calculate the Overall power factor of the panel, whether I have to take average or I have to consider the lowest? -
Induction Motor Rotation
How we can change the direction of rotation of Induction motor?
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Transfer function of FOPID
Can anyone derive the transfer function of Fractional order PID controller?
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Bidirectional Induction Motor
What are the advantages and applications of bidirectional induction motor?
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Phase Identification
In a three phase system three wires are of colour red, yellow and blue are used to discriminate each phase. Now how will you identify each phase wire without knowing the colour and without any pre information?
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Synchroscopes meter
What are some advantages and disadvantages of a synchroscopes ?
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Derating factors for Cables Calculation
The cable's actual current rating will usually be lower than the standard (un-derated) value quoted by manufacturer’s brochures. How to find the Derating factors for depth of laying, grouping of cables, etc.
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Electrical Engineering Interview Questions
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