transformer XHL
transformer XHL
(OP)
I need help understand the relationship between a transformer's impedance in per unit and it's XHL.
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RE: transformer XHL
and will be XHL,XHT and XTL if there are 3 windings. This is the notation proposed by IEEE in
Distribution System Analytical Data Dictionary
Transformer impedance includes also transformer resistance.In order to find the transformer reactance one has to know the
resistance or at least the ratio R/X
RE: transformer XHL
RE: transformer XHL
reactance transferred to high voltage side [see Steinmetz Diagram].The short-circuit impedance of the transformer is the result of Short-circuit Test by supplying the
high voltage side with Short-circuit Voltage and measured in the short-circuited secondary the rated current. One has to extract the reactance,
from this impedance knowing the a.c. equivalent -total-resistance.
RE: transformer XHL