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Old 18-12-2017, 15:10   #41
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Nu ma deranjeaza deloc. Tot stau sa ma gandesc daca nu cumva am stricat eu testul cumva. Vedem cand ajung acasa.
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Old 18-12-2017, 15:44   #42
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Sa ne gandim la o incarcare pe care o putem simula amandoi cat de cat la fel. Eu m-am gandit la proiectorul asta pentru ceva similar cu 40-50% load pe asta de 1500VA. Cu cablul asta rezultatele mele la valori mai mari de incarcare nu stiu cat de relevante ar fi.

Alta masuratoare facuta care poate intereseaza: Cand UPS-ul a inceput sa incarce bateria, curentul era de 3.5A, care dupa vreo 30 min a ajuns la 3A. Acum, dupa multe multe ore de incarcare(probabil 10), chiar daca sunt toate cele 5 leduri de baterie aprinse tot incarca cu 1.4A.

Tinand cont ca eficienta la incarcare a bateriilor plumb-acid e pe la 70% (ca sa incarci 100Ah de baterie trimiti 140Ah de curent in total), o incarcare cu adevarat completa dureaza mult de tot, chiar daca pe panou apar incarcate la 100%.
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Old 18-12-2017, 15:48   #43
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Eu, cu caloriferul pot aprox 500 / aprox 800 / si aprox 1400w parca. Cu becurile am incarcare 170w dar dureaza mult sa descarci un 1500 la viteza aia.
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Old 18-12-2017, 16:36   #44
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Hmm, sunt curios daca la 500 iti intra termostatul sau ramane constant. Ca la idee mai bag eu niste becuri langa proiectorul ala si ma duc mai sus.
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Old 18-12-2017, 17:24   #45
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la 800w nu a intrat termostatul, am tinut geamul deschis. Am inregistrat totul, vreo 12minute si jumatate.
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Old 18-12-2017, 18:30   #46
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Super atunci, o sa revin si eu cu un test de putere dupa ce rezolv cu cablul.

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Old 18-12-2017, 20:18   #47
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Videoul aferent.

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Old 03-05-2018, 10:05   #48
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Am gasit un APC Back-UPS 1100VA AVR, BX1100CI cu 70 de lei dar nu stiu ce metoda sa folosesc ca sa-l verific rapid, ca nu-i jucarie sa ma plimb cu el. Bateriile sunt duse dar am eu ceva de back-up.
Poate aveti vreo sugestie?!
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Old 03-05-2018, 10:13   #49
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Nu ai cum sa-l testezi fara baterii. Vezi sa nu fie umflate bateriile astfel incat sa nu le poti scoate ca iti injuri zilele dupa aia.

Eu am o problema cu modelele alea, sunt foarte low end. Eu zic sa iei din seria clasica de APC Backup UPS 650 sau Smart UPS (fara CS).
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Old 03-05-2018, 10:25   #50
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Era "la oferta" . Il testam eu cu bateriile mele dar n-are monitorizare de nici-un fel. Culmea e ca in documentul APC ar avea, dar cine stie ce varianta "custom" o fi asta: http://www.apc.com/salestools/SCON-9...NNTU_R0_EN.pdf
Cam naspa. Mai bine renunt.
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Old 19-06-2019, 21:04   #51
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Mi-a murit o baterie SSB de 40Ah, asta patesc daca nu le fac o descarcare completa la 3-6 luni. Au tinut 2 ani.

La recomandarea tipului de la care am luat UPS-ul mi-a recomandat astea de pe site-ul Caranda, FirstPower LFP1240
https://www.caranda.ro/en/product/ac...1240-agm-vrla/

Le-am luat, le-am incarcat 30min(UPS-ul) zicea ca e full, apoi am pus sarcina de 430w(Proiector halogen 500w). Runtime de 55min. Adica un pic peste dublu decat runtime-ul oficial cu baterii de 18A.

Sunt si bine echilibrate, se incarca identic ca voltaj. SSB-urile luate de pe OLX aveau o diferenta de 0.2-0.3v fully charged.

De-acum imi pun reminder sa le descarc complet.

SSB-ul ok o sa-l folosesc la spot welding, celalalt merge la reciclat.

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Old 19-06-2019, 21:07   #52
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Ale mele still going strong. Descarcare completa nu am facut, cel putin nu intentionat. Descarcari partiale au fost destule.

Pune si tu baterii standard calumea BB sau CSB.
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Old 19-06-2019, 21:11   #53
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Mi-am facut mod cu baterii mai mari in exterior cu un scop. Nu pun baterii standard.
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Old 19-06-2019, 21:13   #54
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2 ani pentru baterii de marimea aia nu mi se pare acceptabil. Tu poti cauta orice motive vrei, dar nu e ok. Bateriile alea ar trebui sa tina cel putin 5 ani cat tin cele de 17Ah.
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Old 19-06-2019, 21:20   #55
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Motivul probabil a fost OLX source. Si asta o zic dupa cum s-au echilibrat instant astea doua la incarcare(adica rezistenta interna aproape identica). AGM-urile mor in principal daca sunt tinute in standby la voltaj mare, iar una din baterii daca avea voltaj mai mare (rezistenta mai mare) a avut degradare accelerata fata de cealalta.

Tipul cu UPS-urile mi-a zis ca el le face alor lui descarcari complete odata la 3 luni, si are exemplare de 10-15 ani in functiune.

Bine, nu fac la 3 luni, dar odata la 6 luni cel mult o sa le fac si eu.
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Old 24-06-2019, 09:14   #56
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Eu am reminder sa le descarc la 3 luni
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Old 24-06-2019, 09:31   #57
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Şi dacă nu eşti acasă ce faci, pui reminder ca să nu uiţi de reminder?
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Old 24-06-2019, 13:37   #58
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Hit "remind later" la notificarea din Google Keep.

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