Answer / prafulkumar

the vector group should be match(phase angle)
voltage rating should be same
frequency should be match

Answer / rakesh. a.d

Two transformers terminal voltage should be same
Two transformers impedances should be same

Answer / medroua

Mandatory conditions:
Same phase angle shift, Same polarity, Same phase sequence and same frequency.

Convenient conditions:
Same voltage ratio & Turns Ratio, Same Percentage Impedance, Same KVA Rating, Same Position of Tap changer if any.

what is the formula for converting mmwc to tph in a dp type transmitter.what is the range in plc(in tph) if dp tx.range from 0 to 5000mmwc.

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What is difference between secondary Air & Tertiary Air and Their use.?

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what is turn down ratio

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what is the real reason than natural draught cooling towers are always in hyperbolic shape

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Difference between electrical and electronics?

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.What is drip and drain.

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whats plant?

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why IBD Vent is kept at higher elevation than CBD ?

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what is natural frequency of turbine shaft .

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What is surging in a centrifugal compressor ? How it occur's ? How is antisurging done ?

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