Answer / siddikh

1.polarity must be same
2.phase sequence must be same
3.turns transformation ratio must be sane
4.frequency must be same
5.% Impedence must be same
6.Vector group should be identical

Answer / irfan

1.polarity must be same
2.phase sequence must be same
3.equal voltage

Answer / virendra

1.polarity must be same ( Must be full fill )
2.phase sequence must be same (Must be full fill )
3.turns transformation ratio must be sane ( Desired )
4.frequency must be same ( Must be full Fill )
5.% Impedence must be same ( Desired as to ensure equall
load sharing of both the transformer
6.Vector group should be identical ( Desired )

Answer / sanjayjssate

following
1- KVA rating should be same
2- Voltage should be same and
3- frequency should be same

Answer / manoj tyagi

1. same voltage ratio
2. the per unit leakage impedence of the xer r based on
their own kva rating must be equal
3. ratio of eqv. leakage reactance to eqv. resitance should
be same for all the xers
4.transformer must be connected properly

Answer / ashok

1)polarity will be same.
2)phase sequence must be same.
3) turns ratio will be same.
4)impedance will be same.

Answer / dg mobh

1.polarity must be same
2.phase sequence must be same
3.turns transformation ratio must be sane
4.frequency must be same
5.% Impedence must be same load sharing of both the
transformer
6.Vector group should be identical

Answer / vilas

1)Transformer primery voltage rating should be same.
2)phase sequence should be same .
3)polarity should be same.
4) Vector group should be same ,for example :dy11 etc.
These point to be considered while making parallel
operation of the tansformer.

Answer / maneswar

1.polarity must be same
2.phase sequence must be same
3.turns transformation ratio must be sane
4.frequency must be same

Answer / khalander mulla

to manage load at integrated steel plant to recover plant
load

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