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How do you test for a digital signal?
using LED.when the signal is 1,then the LED glows,but when signal is 0,then it does not glow.
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Why you choose digital signal processor?
With DSP you can change, modify, study the properties of signals more easily than analog signal processing. You can do modulation, encryption, decryption, encoding, decoding, multiplexing, comparing...
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How do you test a current transformer?
see http://ezinearticles.com/?Testing-a-Transformer--How-To-Accurately-Test-A-Transformer&id=56803 Normally to test a CT we go on with two tests1. the primary injection test2. the polarity test1....
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What is the reason for using a neutral current transformer on a transformer?
A current transformer is primarily used at the neutral point of a transformer for earth fault protection. A neutral current transformer will measure any ground fault current which will essentially...
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What is purpose of demagnetizing test during current transformer test?
The residual magnetisation present in the current transformer coils may cause the errors during measurement of high currents. So that it is necessary to check that.