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Author Topic: SINO MERONG OVERLOAD PROTECTOR  (Read 948 times)

Offline calvinpulanco .11µF15Ω1991v

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SINO MERONG OVERLOAD PROTECTOR
« on: November 17, 2009, 09:22:48 PM »
nid ko po kasi schematic diagram para magkaroon ng overload protector yung project kong inverter....

diagram po ng overload protector

tsaka sino po may alam ng value ng coupling capacitor na inilalagay sa output ng inverter para hindi gaano square wave,,,
CAUTION!!! HIGH VOLTAGE

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SINO MERONG OVERLOAD PROTECTOR
« on: November 17, 2009, 09:22:48 PM »

Offline zer0w1ng

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Re: SINO MERONG OVERLOAD PROTECTOR
« Reply #1 on: November 18, 2009, 08:00:44 AM »
Kung overload protection sa inverter ang hanap mo sir, a low ampere breaker or fuse is enough for this.

For removing the harmonics of the square wave output, you need 2 additional inductor in series on each line before the capacitor.
The wires of the inductors must be thick to be able to carry the maximum current drawn from the inverter.
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Re: SINO MERONG OVERLOAD PROTECTOR
« Reply #1 on: November 18, 2009, 08:00:44 AM »

Offline rdpzycho

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Re: SINO MERONG OVERLOAD PROTECTOR
« Reply #2 on: November 18, 2009, 10:12:24 AM »
tama si master zerowing, kailangan ng inductor. pwede ring gumamit ng 30-120-30 switching para kahit square, prominent content pa rin 'yung 60Hz fundametal.

karamihan ng UPS merong breaker. pwede humanap nun. 'yung mga mas mahal naman merong current sensing para patayin mismo 'yung UPS kapag overloaded.
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Re: SINO MERONG OVERLOAD PROTECTOR
« Reply #2 on: November 18, 2009, 10:12:24 AM »

Offline calvinpulanco .11µF15Ω1991v

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Re: SINO MERONG OVERLOAD PROTECTOR
« Reply #3 on: November 18, 2009, 11:43:53 AM »
Kung overload protection sa inverter ang hanap mo sir, a low ampere breaker or fuse is enough for this.

For removing the harmonics of the square wave output, you need 2 additional inductor in series on each line before the capacitor.
The wires of the inductors must be thick to be able to carry the maximum current drawn from the inverter.
what po value ng inductor???
CAUTION!!! HIGH VOLTAGE

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Re: SINO MERONG OVERLOAD PROTECTOR
« Reply #3 on: November 18, 2009, 11:43:53 AM »

Offline zer0w1ng

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Re: SINO MERONG OVERLOAD PROTECTOR
« Reply #4 on: November 18, 2009, 12:59:44 PM »
The higher possible inductor value that you can make or find.
The limitation is that you could not make a much higher value due to the required wire thickness thus the turns will be fewer.
An iron core can help on this.

I am not an expert on making power inductors but there are few members here that could help you constructing this.
The Cebuano Geek

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Re: SINO MERONG OVERLOAD PROTECTOR
« Reply #4 on: November 18, 2009, 12:59:44 PM »

 

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