hello
I have a 110v battery charger, in first time it used for a 720 AH 110v battery , now I would change the battery by other type 110v 500 AH
the charger is firstly configured in floating for the 110 v ,720 AH battery,
my question is : can use this charger for the 110v 500AH without...
hello
I have an 3 phases IM 5.5kv ,2450kw , 291 amps, Id/In=4.5, Td/Tn=0.3 , 50Hz, 2983tr/min
when I calculate the current in full load with equivalent circuit(see attachment file ) i can't found 291 amps
if i do a mistake? I don't know, can anyone give helpregards
hello
in the aim to view the efficiency of induction motor variation with load variation i would know the formula of n(efficiency) and the P(power in shaft or load) to draw this curve example: for 10% 15% 20% 25% 30% 35%........OF P power what is the efficiency
best regards
hello
in pumping sation of oil we use a hydrodynamic fluid coupleur to change flow for pump and the driver is a HV motor (2.5 MW).so we would change the hydrodynamic coupleur by a HV variable fraquency driver. is it a good idea?and for annual energy cost witch the better?
best regards
