Good evening ,
please let me tell you a story about two gensets of 3 generators each:
the first one is powered by 4045HF150 John Deere engines , with Stamford UC224D alternators. rated to 110 KVA standby.we can call it George.
the second one , powered by John Deere 4045HF150 and fitted with...
thread238-389899
Good evening Gentlemen,
a quick update on the previous post , the hospital is now fitted with a brand new 1600 Amp ATS switch , very nice but heavy as a dead donkey :).
transitions from city power are now much more safe.
many thanks for the advices .
Best regards
Jean Michel
thread238-392721
a small update for the retaping problem in Haiti :
we have been readjusting the output voltage of the generators to 208v , reprogrammed the 10KW UPS to the same voltage , setting the ATS values to mi 200/max 220 v , and adjusted the transformers to 208v.
No more beeps ...
Dear All,
we have 3 padmount distribution transformers , rated for 13.200Y / 208y-120.
the line voltage in Haiti is 12.470v.
we keep on experiencing low secondary voltage , and the installer of the transformer tell us that it is because of grid power , not transformer.
my guess is that the...
Dear all,
investigating electricals circuits in 3 Haitians hospitals , i keep finding odd and stranges things.
the lastest is a connection between padmount transformer and ATS switch cabinet.
three phases , 220 v , 300 KW circuits are connected with the system show below :
i am not an expert...
hello Gentlemen,
a company is suggesting to use 2x400a ats switches in // instead of a 800a...
as far as i remember , this is not a good idea , either in terms of repartition of current , and in term of switching timing.
do you have any idea about that ? any help welcome.
ps : this is for the...
hi guys,
it has been reported to me that on a distribution transformer (750KVA , 13.7 Kv) an arcing had caused the definitive damage of the transformer.
i was wondering if some of you already experienced this kind of problem , and if the caps on the unsused HV inlets are sufficent in term of...
