by obet_carlos » Mon Feb 18, 2013 1:05 pm
yung magnetic field kasi yung nagpapikot ng fans, mas mataas na current mas, malakas na magnetic field, mas malakas na fan (dapat kung same dimensions lang yung fan).. power consumption is voltage times current.. so simple, 12V x 1000mA (milliAmps) is equal to 12V x 1A so 12W ang kaya issuply nung converter mo.. nakasulat naman usually sa fans yung consumption nila.. basta may A or mA pagkatapos yun na yun.. hehe! pag AC kasi, 220V yung voltage, so 220V times yung current is mas malaki.. maraming variables, haba pag iexplain.. basta yun na yun.. add mo bro yung current ng fan, kasi 1000mA limit ng supply mo, pag sumobra, bababa lang yung voltage kaya babagal yun ikot ng fan.. check mo kung same yung speed ng fan pag 1 lang at pag silang lahat.. pag bumagal, baka kulang yung supply mo..