Sponsor dr evil Posted December 26, 2003 Sponsor Share Posted December 26, 2003 hi guys, just dismantle a 2x150watt MH (chine brand) fixture and realise that the set does not have any capacitor. it had only ballast and ignitor.....very strange.... will it affect anything??? danger?? need advise........ Quote Link to comment Share on other sites More sharing options...
SRC Member CalciumReef Posted December 26, 2003 SRC Member Share Posted December 26, 2003 You are diying lights for reefers and you do not know whats a capacitor for??? A capacitor is necessary to set the steady state working frequency by storing up energy. This ensures the reliability of the power supply meaning constant... Quote Link to comment Share on other sites More sharing options...
roidan Posted December 26, 2003 Share Posted December 26, 2003 yeah....it is like a temporary reserve of electricity...actually they are charged plates...lets say the mains has some tiny fluctuations in supply....the capacitor still would provide the appliance a steady flow of electricity...hehe dunno lah..but thats what i think... Quote Advanced Aquarist (March05) Link to comment Share on other sites More sharing options...
Sponsor dr evil Posted December 26, 2003 Author Sponsor Share Posted December 26, 2003 You are diying lights for reefers and you do not know whats a capacitor for??? A capacitor is necessary to set the steady state working frequency by storing up energy. This ensures the reliability of the power supply meaning constant... hi bro, thats a very nice comment........ thats why reefers approach u to diy their lights rite? when i diy lights, i will include the capacitor......but for this fixture, its stange that the factory fitiing does not include the capacitor....there should be a theory behide it. since u are so smart, can u explain why??? Quote Link to comment Share on other sites More sharing options...
roidan Posted December 26, 2003 Share Posted December 26, 2003 only 1 theory behind it my bro... cut costs...hehe Quote Advanced Aquarist (March05) Link to comment Share on other sites More sharing options...
SRC Member Tanggy Posted December 26, 2003 SRC Member Share Posted December 26, 2003 To lower production cost? The capcitor is built into the ballast? The Designer blur fuc@? etc etc... 101 reason, how anyone know? why dont you write in to the manufacturer and ask? How to answer your question when never seen the actual thing? Is it a standard ballast? electronic one? etc etc.... Quote Link to comment Share on other sites More sharing options...
SRC Member CalciumReef Posted December 26, 2003 SRC Member Share Posted December 26, 2003 Dr evil for you info, i only made 2 units so far...Do not presume alot of people are approaching me...I'm giving more of advise rather than making lights for them. Quote Link to comment Share on other sites More sharing options...
Sponsor dr evil Posted December 26, 2003 Author Sponsor Share Posted December 26, 2003 To lower production cost? The capcitor is built into the ballast? The Designer blur fuc@? etc etc... 101 reason, how anyone know? why dont you write in to the manufacturer and ask? How to answer your question when never seen the actual thing? Is it a standard ballast? electronic one? etc etc.... hi bro, this is a china brand MH(dont want to reveal the brand).......and it is using magnetic ballast.....with an ignitor only. how much can they save cost by not using an capasitor? very strange..... now i need to get a capasitor myself...... Quote Link to comment Share on other sites More sharing options...
SRC Member CalciumReef Posted December 26, 2003 SRC Member Share Posted December 26, 2003 Sometimes suppliers do it on purpose to make their product last till a certain time before they break down.We as consumers will normally go back to them for replacement. Quote Link to comment Share on other sites More sharing options...
SRC Member BarraCudaTM Posted December 26, 2003 SRC Member Share Posted December 26, 2003 The capacitor in this case is a shunt capacitor, its connected parallel to the power source and used for correcting the power factor. Magnetic ballast often have a low powerfactor resulting in greater power consumption due to its inductive nature. Having a shunt capacitor will greatly reduce the amount of current drawn by the ballast Quote Link to comment Share on other sites More sharing options...
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