Answer / prasanna kumar

frequency decreases speed decreases(Fq proportional to N)
torque increases speed decreases(T inverselyproportional to N)
torque increases current decreases(T inverselyproportional
to I) so i is proportional to fq.

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

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