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webscatter
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« Reply #20 on: May 29, 2010, 05:26:36 PM » |
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Di kasi specified....if ang load nya ay purely load.... paanu if Solar cell pala ang pagkabitan.....as a load ng ATS na ito.... |
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« Reply #20 on: May 29, 2010, 05:26:36 PM » |
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nucleus
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« Reply #21 on: May 29, 2010, 06:41:44 PM » |
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Di kasi specified....if ang load nya ay purely load....
paanu if Solar cell pala ang pagkabitan.....as a load ng ATS na ito....
hindi naman load ang solar cell  |
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Hi! I'm nucleus and i carry the charge  Hindi ako nandito para makipagkumpitensya kanino man |
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« Reply #21 on: May 29, 2010, 06:41:44 PM » |
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marleona
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« Reply #22 on: May 29, 2010, 06:43:36 PM » |
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yep solar cell nga po, pero meron ng nakakabit na diode doon patungo sa battery kaya ok na. BTW, ano po ung ATS???
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« Reply #22 on: May 29, 2010, 06:43:36 PM » |
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nucleus
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« Reply #23 on: May 29, 2010, 06:48:24 PM » |
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yep solar cell nga po, pero meron ng nakakabit na diode doon patungo sa battery kaya ok na. BTW, ano po ung ATS???
automatic transfer system ginagamit sa mga generators |
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marleona
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« Reply #24 on: May 29, 2010, 08:52:18 PM » |
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hahaha siguro baka protection diode lang ung tinutukoy ni webscatter.... ah un pala ung ats??? ok research muna tungkol doon hahah
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webscatter
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« Reply #25 on: May 29, 2010, 10:38:00 PM » |
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Sabi ko nga ba kapag ATS ang inaasahan n gamit n "Load" ay solar cell....  ATS is automatic transfer switch................kadalasan ginagamit sa dual sources....either solar, DG power, battery, etc.... Power 1--->ATS<--- POWER2 \/ Load Sa ATS kasi ....Kung Power Distribution itong "load" ay purely load.... pero kung Power Generation ito ang "load" ay actually indi load....kundi Power "sources" tulad ng solar cell, DG, etc.... Kaya nga kinaclarify ko lng kanina.... |
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webscatter
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« Reply #26 on: May 29, 2010, 10:48:09 PM » |
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hahaha siguro baka protection diode lang ung tinutukoy ni webscatter.... ah un pala ung ats??? ok research muna tungkol doon hahah
tama ka protection diode yan... solar cell ay source pa yan during charging the battery as a load.... what if ma-fully charge n ang battery....this creates a problem...a battery turns into a source while the solar cell becomes a load.... to avoid this problem... put a diode in series -Solar Cell+ to +Diode- to ....... +Battery- |
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nucleus
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« Reply #27 on: May 30, 2010, 12:41:04 AM » |
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Sabi ko nga ba kapag ATS ang inaasahan n gamit n "Load" ay solar cell.... ATS is automatic transfer switch................kadalasan ginagamit sa dual sources....either solar, DG power, battery, etc.... Power 1--->ATS<--- POWER2 \/ Load Sa ATS kasi ....Kung Power Distribution itong "load" ay purely load.... pero kung Power Generation ito ang "load" ay actually indi load....kundi Power "sources" tulad ng solar cell, DG, etc.... Kaya nga kinaclarify ko lng kanina.... ay oo nga typo error |
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nucleus
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« Reply #28 on: May 30, 2010, 12:43:31 AM » |
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tama ka protection diode yan...
solar cell ay source pa yan during charging the battery as a load....
what if ma-fully charge n ang battery....this creates a problem...a battery turns into a source while the solar cell becomes a load....
to avoid this problem...
put a diode in series -Solar Cell+ to +Diode- to ....... +Battery-
kung solar cell yung ilalagay doon sa circuit hindi load ang tawag kundi source, yung diagram ay ginawa para sa load kaya wala yung protection diode  |
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webscatter
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« Reply #29 on: May 30, 2010, 02:26:21 AM » |
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kung solar cell yung ilalagay doon sa circuit hindi load ang tawag kundi source, yung diagram ay ginawa para sa load kaya wala yung protection diode Not all sources ay purely/surely source...magiging load yan ...under abnormal circumstances... Let me give u an example...Kung ang dalawang batterya ay connected in parallel....ay di parehas ang voltage nya (significantly)...One turns a source and the other becomes a load.... |
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nucleus
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« Reply #30 on: May 30, 2010, 02:28:52 AM » |
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Not all sources ay purely/surely source...magiging load yan ...under abnormal circumstances... Let me give u an example...Kung ang dalawang batterya ay connected in parallel....ay di parehas ang voltage nya (significantly)...One turns a source and the other becomes a load.... yes tama, pero hindi ito ang case natin bago i draw yung schematic that's why load ang nakalagay sa schematic |
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webscatter
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« Reply #31 on: May 30, 2010, 02:36:38 AM » |
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dalawang batterya...under ATS....one power is a solar cell talaga yan...need diode para di magiging load(aalter ang source characteristic nya, n maccra ang solar performance...) once the batteries are fully charge... |
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nucleus
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« Reply #32 on: May 30, 2010, 02:43:55 AM » |
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help naman kung anung relay ang applicable para sa automatic switch namen.. may dalawa kame 12V battery... gsto ko sana manyari e magswitch ung supply from battery A to battery B kpag lowbat n ung battery A.. same goes den kpag lowbat ang Battery B.. any help will be highly appreciated thanx sir can you post a circuit diagram for ATS ciscuit??
or e2 sir para mas madaling maexplain.. meron den kc akong battery indicator at may display xang LED lights.. meron xang 9 LEDS... 3GREEn, 3yellow, 3red. nababwasan ung ilaw nia habang nababawasan ang charge ng battery. gsto ko sana e mag switch ang battery A to BAttery b kpag lowbat na or sa sa mdaling salita kapg ung LED dispaly e nasa red n lang..
ito po ang post ng ts, off topic na po tayo about dyan sa solar cell hehehe |
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webscatter
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« Reply #33 on: May 30, 2010, 02:46:57 AM » |
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ito po ang post ng ts, off topic na po tayo about dyan sa solar cell hehehe
oo...nga... |
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labgruppen
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« Reply #34 on: May 30, 2010, 03:02:04 AM » |
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dalawang batterya...under ATS....one power is a solar cell talaga yan...need diode para di magiging load(aalter ang source characteristic nya, n maccra ang solar performance...) once the batteries are fully charge... that diode by the way is called "blocking diode" in solar power parlance. there is also another diode called bypass diode to protect a solar panel in a string if the said panel is "shaded". @ TS, is it really necessary to switch batteries? Because as someone has pointed out, if both batteries have the same type (model) it would be beneficial to have them connected in parallel. Connecting batteries in parallel will make the each battery see half the load thus have a little more effective capacity. (case in point, C/20 discharge rate yields more capacity than C/5 discharge rate during battery discharge tests) We currently have a solar powered repeater site in progress and we have 4 banks of flooded nicad batteries connected in parallel, no bank switching is implemented. |
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webscatter
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« Reply #35 on: May 30, 2010, 12:16:57 PM » |
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that diode by the way is called "blocking diode" in solar power parlance. there is also another diode called bypass diode to protect a solar panel in a string if the said panel is "shaded".
@ TS, is it really necessary to switch batteries? Because as someone has pointed out, if both batteries have the same type (model) it would be beneficial to have them connected in parallel. Connecting batteries in parallel will make the each battery see half the load thus have a little more effective capacity. (case in point, C/20 discharge rate yields more capacity than C/5 discharge rate during battery discharge tests) We currently have a solar powered repeater site in progress and we have 4 banks of flooded nicad batteries connected in parallel, no bank switching is implemented.
am with u buddy! |
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marleona
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« Reply #36 on: May 30, 2010, 08:49:44 PM » |
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hahahaha na off topic nga tayo.... pasensya na, pero this time may question ako. paano isama ung ATS at saka ung tanong ni repax. kasi kapag full charge na si batt a switch siya kay batt b para macharge kung ang load ay solar cell. pero paano naman kapag ubos na si batt a at gusto niya gamitin si batt b paano ko siya iswitch gamit ng circuit na pinost ni sis nucleus???
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nucleus
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« Reply #37 on: May 30, 2010, 08:51:45 PM » |
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hahahaha na off topic nga tayo.... pasensya na, pero this time may question ako. paano isama ung ATS at saka ung tanong ni repax. kasi kapag full charge na si batt a switch siya kay batt b para macharge kung ang load ay solar cell. pero paano naman kapag ubos na si batt a at gusto niya gamitin si batt b paano ko siya iswitch gamit ng circuit na pinost ni sis nucleus???
yung circuit ni sir marce |
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marleona
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« Reply #38 on: June 01, 2010, 12:01:27 AM » |
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@sir nucleus: yep, gamit nga po ng circuit ni sir marce pero gusto ko rin iimplement siya together with "solar cell" as a load pano ko siya iintegrate together given for ATS at battery switching system for the load? hehehe any ideas po??? gets ko naman ung dalawang topic so far pero gusto ko lang sila pagsamahin na.
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marleona
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« Reply #39 on: June 01, 2010, 12:13:07 AM » |
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try to google comparators (using op-amps). using comparator, one could set a range of voltage so that to make the voltage output as high or low. observe the following images... note the voltage input as the wiper of the variable resistor is being varied. of course observe the relay switch position.    just some notes, (a) R1 and R2 are the reference voltage divider and (b) the output of the comparator op-amp is either high or low (almost 5V and almost 0V). from this concept you can now design your own switch. google mo nalang ang tamang caculations,etc. you could use, LM193/293/393 as the comparator. you could actually directly connect that to the battery. it got a wide range of voltage capacbility... up to 36V yata. hahahah ito pala un. hmmmm wahahaha madali lang ba to gawin? meron kasi na akong nagawang battery monitoring system kaso malayo siya sa circuit ni sir marce hmmm... wahahaha di ko alam kung kaya ko to gawin in 2 days time hahaha |
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