Hi All,
I have the Raytheon innards on the "bench" and the oil tank safely stowed
and covered. The oil "looks" very good to me and amber clear; there is no
sign of any water in the tank. It was probably well maintained until taken
out of service. Anyway, since the transformer is out of the tank, measuring
the transformer output with a voltage divider is no longer practical so I
need to determine the turns ratio. I seem to remember with pigs, back
feeding 120Vac into the HV was enough maybe to energize the core and measure
the LV. So the question is - if I feed 120v into HV 1 phase winding, I
believe I read somewhere that LV 1 -N should reflect the direct turns ratio
as in single phase. It is Wye:Wye, there is neutral on the primary but it is
not on the schematic for the secondary as it is not needed in 6 pulse
operation. I have to either find the secondary junction point or back feed
120 volts on a HV phase to another phase. I'm not too sure how to calculate
it then. Would a like phase to phase LV be the correct voltage ratio value?
If the transformer HV and six pulse calculates to the stated 24KV out, this
would not be a good candidate for 6P resonant charging; and, I sure would
like to know that at this juncture!
Thanks,
Jim Mora
BTW, I found a tag that states "Ground Beacon", Federal Aviation...pulsed
transmitter?
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