A power solution for our training centre: find the best solution

Status: Finished
Step: 
4

15 computers have arrived in Jinja and the training for a group of PWDs has started. Electricity is available in the training centre, but power cuts are often experienced. This doesn't only affect the time that the computers can be used; the hardware also suffers from these power breaks.

A backup power solution is needed to enable us to keep working during power breaks and keep the computers in good shape. This will also enable us to eventually run an internet café, that can provide BEHOD with an income.

(Diesel) generators are most commonly used in Uganda, but the government has started promoting solar energy.

Help us decide what would be the best solution:
- what capacity do we need?
- which solutions are available in Uganda?
- how much do they cost?
- etc.

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Hi Pelle,

I hope you received my e-mail yesterday. I have been out of the project for some time now, unable to get things done with all the schoolwork asking for my attention. I did however answer the questions you just posted in my Power Supply Solutions section of the worldschool project! The reason I did not put it online is that I wanted to have it checked by my physics teacher first, but he simply doesn't take time for it.

I will copy the PSS section out of the whole project paper and upload it this weekend. Where would you like to see it sent. Maybe it is a good idea to let other Neighbours check it instead of my teacher :)

hope it will be useful!

Marc

0
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This is (unrevised) document

- it analyses the situation in jinja
- explains the use of generators and emergency power
- discusses the options in Jinja and gives a rough cost-estimation

0
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Dear all,

It's my pleasure to announce that we've found a group of management trainees from Essent (one of the biggest energy providers in the Netherlands) ready to help us out with this task.

More information will follow here soon!

:-D

Pelle

0
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Dear Paul and all othters,

It's been long since the announcement of Pelle about us joining the Nabuur network that the trainees of Essent have been in contact with you. Too long! But we're back and with great enthusiasm.

With the document of Marc Christiaan as a starting point, we've been thinking about the problem of stable electricity supply. One of the results is a list of questions attached to this message. Some questions have already (partly) been answered, others need some information about the electricity demand to be able to answer them.

We hope that Paul and others can provide some of the answers.

Okay, so far for now. We speak to you soon.

regards,

Rinse

0
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DEar All,

These collaboration is a big step forward for Nabuur! We all know that so many communities need dire help and it takes time to turn this into a reality.
NOw, with able assistance is coming, we hope this will make Jinja a better place. A place where one of the basic need is provided. Of course, with the help of kind-hearted people.
This story is another inspiration for all the villages under Nabuur.

All the best! :-D

Junjun

0
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Other projects, institutions or companies (for example hospitals) near Jinja will also suffer from the power cuts. How do they manage? Can we learn from them, or maybe even share solutions with them? That might save costs… Answer: - Yes you are right they also suffer the same way but like Jinja main Hospital has a standby generator that enforces whenever they have a break down and many factories are running with the same format. 3. Does the condition of the power grid allow shared power solutions with neighbouring institutions? Answer- No its not favourable for us to share. 4. Does the government in any way support renewable power solutions by means of subsidies or any other incentive? Answer:- yes it welcomes all who can even invest in the power supply as to reduce the power cuts. Ie Madhivan group of companies have their own power and they sell it to UEB. 5. Does Paul or any of the local volunteers have the knowledge to maintain a generator or any other power solution? Answer:- No, but we can get people who can repair and maintain them just like others do. 6. Which possible solutions have already been discussed by Paul and other Jinja volunteers and what were the results of these considerations? Answer:- We had discussed and we thought of the generator as away to solve the problem and we also looked at the solar power panels which could also give a solution to our problem. 7. What is the power demand? Answer:- We are hoping to have fifty computers as we will be having the ICT centre and the internet café’ we also hope to have hair driers blower, hair tongs, and fridges Rinse answers: If it is just computers than it’s an easy calculation. Some internet research: 200 Watt per computer. 15 computers = 3000 Watt(source: http://michaelbluejay.com/electricity/computers.html and marc christiaan). But what are the opening hours of the centre and what other electrical appliances does the centre have and when on the day are they being used? What is the peak demand and what is the base load demand? 8. Could you supply a list of other electrical appliances like lights, fridges, air conditions etc. and could you list the power consumption? Rinse remark: There’s an interesting assessment of the power need for another Nabuur project. http://www.nabuur.com/modules/newbb/viewtopic.php?topic_id=5402&forum=173&post_id=84364#forumpost84364 It’s a rather technical description by Marie, but nevertheless useful I think. Though her assessment if the power usage of a computer is way too high (650 Watt). 9. What has priority in power consumption? Rinse answers: In this stage I would say to just look at the computers. Powercuts don’t harm fridges or airco’s as much as they do computers. And the computers have an important income generating function (I copied this assessment from Marc Christiaan, who wrote a wonderful document on power supply. READ IT!!!) 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Questions for Paul
1. What is the cause for the powercuts? Marc Christiaan wrote that the cuts are beyond our control, but there’s no explanation or any mentioning of possible causes.
Answer:- The power cuts came as a result of power dome which was constructed in 1950’s was supplying few people by then and we had few factories now there are many factories and the people have constructed many houses and many people need to use power which bring the consumption beyond the first feasibility sturdy.
The second is because the water level came down as a result of constructing a new channel that took too much water and the level came down and the pressure that used to generate more power than we have now.

2. Other projects, institutions or companies (for example hospitals) near Jinja will also suffer from the power cuts. How do they manage? Can we learn from them, or maybe even share solutions with them? That might save costs…
Answer: - Yes you are right they also suffer the same way but like Jinja main Hospital has a standby generator that enforces whenever they have a break down and many factories are running with the same format.
3. Does the condition of the power grid allow shared power solutions with neighbouring institutions?
Answer- No its not favourable for us to share.
4. Does the government in any way support renewable power solutions by means of subsidies or any other incentive?
Answer:- yes it welcomes all who can even invest in the power supply as to reduce the power cuts. Ie Madhivan group of companies have their own power and they sell it to UEB.
5. Does Paul or any of the local volunteers have the knowledge to maintain a generator or any other power solution?
Answer:- No, but we can get people who can repair and maintain them just like others do.
6. Which possible solutions have already been discussed by Paul and other Jinja volunteers and what were the results of these considerations?
Answer:- We had discussed and we thought of the generator as away to solve the problem and we also looked at the solar power panels which could also give a solution to our problem.

7. What is the power demand?
Answer:- We are hoping to have fifty computers as we will be having the ICT centre and the internet café’ we also hope to have hair driers blower, hair tongs, and fridges

Rinse answers: If it is just computers than it’s an easy calculation. Some internet research: 200 Watt per computer. 15 computers = 3000 Watt(source: http://michaelbluejay.com/electricity/computers.html and marc christiaan). But what are the opening hours of the centre and what other electrical appliances does the centre have and when on the day are they being used? What is the peak demand and what is the base load demand?
8. Could you supply a list of other electrical appliances like lights, fridges, air conditions etc. and could you list the power consumption?
Rinse remark: There’s an interesting assessment of the power need for another Nabuur project. http://www.nabuur.com/modules/newbb/viewtopic.php?topic_id=5402&forum=17...
It’s a rather technical description by Marie, but nevertheless useful I think. Though her assessment if the power usage of a computer is way too high (650 Watt).

9. What has priority in power consumption?
Rinse answers: In this stage I would say to just look at the computers. Powercuts don’t harm fridges or airco’s as much as they do computers. And the computers have an important income generating function (I copied this assessment from Marc Christiaan, who wrote a wonderful document on power supply. READ IT!!!)

0
stdClass Object ( [nid] => 105920 [vid] => 105933 [type] => task_discussion [status] => 1 [created] => 1213015483 [changed] => 1217204400 [comment] => 2 [promote] => 1 [sticky] => 0 [revision_timestamp] => 1217204400 [title] => solar power for computers [body] => Graham Knight, below, has a lot of experience with this and is willing to help. cost is low, little maintenance, etc. Ken Hargesheimer Solar electricity panels: Light homes, classrooms, etc. Can power radios, TVs, computers, etc. Use to recharge batteries. http://biodesign.webeden.co.uk; Graham Knight [English & French] DIYSolar@btinternet.com; http://waame.sn/ (french); Haiti - http://vssnet.org/index.html; Benin - http://gawa.nu/stories/story_solar.htm; http://ntong-benin.ifrance.com/ (french); Malawi - http://solar-aid.org/, for videos click on 'Solar videos'; Kenya - http://kcyp.net; Blog at http://solar-aid.org/?gclid=CKac4bfh3YkCFQnoEAodlVQSFA; http://idrc.ca/en/ev-111741-201-1-DO_TOPIC.html; Ghana - http://graphicghana.info/article.asp%3Fartid%3D14797+ghana+CASOLS&hl=en&gl=uk&ct=clnk&cd=5; http://californiasolarcenter.org/ssh.html; http://youtube.com/watch?v=B8zEBrH2bPU; http://youtube.com/watch?v=i6htYGp1rus; http://californiasolarcenter.org/ssh.html for schools; [teaser] => [log] => [format] => 0 [uid] => 5266 [name] => [picture] => [data] => a:6:{s:16:"nodecomment_sort";s:1:"1";s:16:"privatemsg_allow";i:1;s:28:"privatemsg_setmessage_notify";i:0;s:8:"og_email";s:1:"2";s:17:"messaging_default";s:4:"mail";s:7:"contact";i:0;} [path] => village/jinja-central/project/task/discussion/solar-power-computers [field_attachment] => Array ( [0] => Array ( [fid] => 19671 [description] => Access to low cost technology.doc [list] => 0 [nid] => 105920 [filename] => 5266_484d2620b17c9.doc [filepath] => files/attach/2008/07/task/5266_484d2620b17c9.doc [filemime] => application/msword [filesize] => 241664 ) ) [field_external_link] => Array ( [0] => Array ( [url] => http://biodesign.webeden.co.uk; [title] => http://biodesign.webeden.co.uk; [attributes] => N; ) [1] => Array ( [url] => http://waame.sn/ [title] => http://waame.sn/ [attributes] => N; ) [2] => Array ( [url] => http://vssnet.org/index.html; [title] => http://vssnet.org/index.html; [attributes] => N; ) [3] => Array ( [url] => http://gawa.nu/stories/story_solar.htm; [title] => http://gawa.nu/stories/story_solar.htm; [attributes] => N; ) [4] => Array ( [url] => http://ntong-benin.ifrance.com/ [title] => http://ntong-benin.ifrance.com/ [attributes] => N; ) [5] => Array ( [url] => http://solar-aid.org/ [title] => http://solar-aid.org/ [attributes] => N; ) [6] => Array ( [url] => http://kcyp.net; [title] => http://kcyp.net; [attributes] => N; ) [7] => Array ( [url] => http://solar-aid.org/?gclid=CKac4bfh3YkCFQnoEAodlVQSFA; [title] => http://solar-aid.org/?gclid=CKac4bfh3YkCFQnoEAodlVQSFA; [attributes] => N; ) [8] => Array ( [url] => http://idrc.ca/en/ev-111741-201-1-DO_TOPIC.html; [title] => http://idrc.ca/en/ev-111741-201-1-DO_TOPIC.html; [attributes] => N; ) [9] => Array ( [url] => http://graphicghana.info/article.asp%3Fartid%3D14797+ghana+CASOLS&hl=en&gl=uk&ct=clnk&cd=5; [title] => http://graphicghana.info/article.asp%3Fartid%3D14797+ghana+CASOLS&hl=en&gl=uk&ct=clnk&cd=5; [attributes] => N; ) [10] => Array ( [url] => http://californiasolarcenter.org/ssh.html; [title] => http://californiasolarcenter.org/ssh.html; [attributes] => N; ) [11] => Array ( [url] => http://youtube.com/watch?v=B8zEBrH2bPU; [title] => http://youtube.com/watch?v=B8zEBrH2bPU; [attributes] => N; ) [12] => Array ( [url] => http://youtube.com/watch?v=i6htYGp1rus; [title] => http://youtube.com/watch?v=i6htYGp1rus; [attributes] => N; ) [13] => Array ( [url] => http://californiasolarcenter.org/ssh.html [title] => http://californiasolarcenter.org/ssh.html [attributes] => N; ) ) [field_embedded_video] => Array ( ) [comment_type] => task_discussion [og_groups] => Array ( [0] => 82882 ) [og_groups_both] => Array ( [82882] => Jinja Central ) [og_public] => 1 [tags] => [nodewords] => Array ( ) [trid] => 0 [language] => en [i18n_status] => 0 [taxonomy] => Array ( ) [translation] => Array ( ) [cid] => 105920 [pid] => 0 [hostname] => 213.84.9.94 [thread] => 07/ [mail] => [homepage] => [comment_target_nid] => 94117 [depth] => 0 )

Graham Knight, below, has a lot of experience with this and is willing to help. cost is low, little maintenance, etc.

Ken Hargesheimer

Solar electricity panels: Light homes, classrooms, etc. Can power radios, TVs, computers, etc. Use to recharge batteries. http://biodesign.webeden.co.uk; Graham Knight [English & French] ;
http://waame.sn/ (french);
Haiti - http://vssnet.org/index.html;
Benin - http://gawa.nu/stories/story_solar.htm; http://ntong-benin.ifrance.com/ (french);
Malawi - http://solar-aid.org/, for videos click on 'Solar videos';
Kenya - http://kcyp.net;
Blog at http://solar-aid.org/?gclid=CKac4bfh3YkCFQnoEAodlVQSFA;
http://idrc.ca/en/ev-111741-201-1-DO_TOPIC.html;
Ghana - http://graphicghana.info/article.asp%3Fartid%3D14797+ghana+CASOLS&hl=en&... http://californiasolarcenter.org/ssh.html;
http://youtube.com/watch?v=B8zEBrH2bPU; http://youtube.com/watch?v=i6htYGp1rus; http://californiasolarcenter.org/ssh.html for schools;

0
stdClass Object ( [nid] => 105925 [vid] => 105938 [type] => task_discussion [status] => 1 [created] => 1213040146 [changed] => 1217204424 [comment] => 2 [promote] => 1 [sticky] => 0 [revision_timestamp] => 1217204424 [title] => Re: solar power for computers [body] => Being that i am from Uganda Jinja i know what it means with power off and on and when school wants to do well it needs solar i think it works better and no more addition after put in place . this great work Pelle is doing in Uganda Jinja central God bless all of you. Yours Pastor Fred www.gidcco.org [teaser] => [log] => [format] => 0 [uid] => 10765 [name] => [picture] => [data] => a:7:{s:16:"nodecomment_sort";s:1:"1";s:16:"privatemsg_allow";i:1;s:28:"privatemsg_setmessage_notify";i:1;s:8:"og_email";s:1:"1";s:17:"messaging_default";s:4:"mail";s:7:"contact";i:1;s:8:"options1";s:1:"3";} [path] => village/jinja-central/project/task/discussion/re-solar-power-computers [field_embedded_video] => Array ( ) [comment_type] => task_discussion [og_groups] => Array ( [0] => 82882 ) [og_groups_both] => Array ( [82882] => Jinja Central ) [og_public] => 1 [tags] => [nodewords] => Array ( ) [trid] => 0 [language] => en [i18n_status] => 0 [taxonomy] => Array ( ) [translation] => Array ( ) [cid] => 105925 [pid] => 0 [hostname] => 213.84.9.94 [thread] => 08/ [mail] => [homepage] => [comment_target_nid] => 94117 [depth] => 0 )

Being that i am from Uganda Jinja i know what it means with power off and on and when school wants to do well it needs solar i think it works better and no more addition after put in place . this great work Pelle is doing in Uganda Jinja central God bless all of you.
Yours
Pastor Fred
www.gidcco.org

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stdClass Object ( [nid] => 106229 [vid] => 106242 [type] => task_discussion [status] => 1 [created] => 1214320962 [changed] => 1217205886 [comment] => 2 [promote] => 1 [sticky] => 0 [revision_timestamp] => 1217205886 [title] => Re: trainees are helping out! [body] => Dear Paul, As we told you last Friday, we are looking for help from another initiative within Essent concerning IT projects for Africa. Essent has an cooperation with Close the Gap for re-using computers and printers from Essent. See www.close-the-gap.org. We need some time to organise different initiatives, but we'll keep you informed! Warm regards of Rinse, Ilse, Else, Jenneke, Michiel and Anne [teaser] => [log] => [format] => 0 [uid] => 17166 [name] => [picture] => [data] => a:0:{} [path] => village/jinja-central/project/task/discussion/re-trainees-are-helping-out [field_external_link] => Array ( [0] => Array ( [url] => http://www.close-the-gap.org [title] => http://www.close-the-gap.org [attributes] => N; ) ) [field_embedded_video] => Array ( ) [comment_type] => task_discussion [og_groups] => Array ( [0] => 82882 ) [og_groups_both] => Array ( [82882] => Jinja Central ) [og_public] => 1 [tags] => [nodewords] => Array ( ) [trid] => 0 [language] => en [i18n_status] => 0 [taxonomy] => Array ( ) [translation] => Array ( ) [cid] => 106229 [pid] => 0 [hostname] => 213.84.9.94 [thread] => 09/ [mail] => [homepage] => [comment_target_nid] => 94117 [depth] => 0 )

Dear Paul,

As we told you last Friday, we are looking for help from another initiative within Essent concerning IT projects for Africa. Essent has an cooperation with Close the Gap for re-using computers and printers from Essent. See www.close-the-gap.org. We need some time to organise different initiatives, but we'll keep you informed!

Warm regards of Rinse, Ilse, Else, Jenneke, Michiel and Anne

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stdClass Object ( [nid] => 106441 [vid] => 106454 [type] => task_discussion [status] => 1 [created] => 1215431004 [changed] => 1217207009 [comment] => 2 [promote] => 1 [sticky] => 0 [revision_timestamp] => 1217207009 [title] => Back up power with battery and inverter [body] => Dear all, I did some research on the options of a very simple form of backup power (for computers) by means of a ordinady car battery and an inverter. Attached you'll find a document that gives a desciption of this solution. Questions that are still open: Is it possible to obtain car batteries in Jinja for a minimal price? The same question goes for inverters and battery rechargers, although my guess is that these things are not easy to obtain? Is there local knowledge on how to install this solution? (It isn't that complex, but needs to be done properly; for one to prolong battery life) I hope this solutions proves to be helpful. regards, Rinse [teaser] => [log] => [format] => 0 [uid] => 17482 [name] => [picture] => [data] => a:0:{} [path] => village/jinja-central/project/task/discussion/back-power-with-battery-and-inverter [field_attachment] => Array ( [0] => Array ( [fid] => 19712 [description] => Batteries and inverters.doc [list] => 0 [nid] => 106441 [filename] => 17482_4872015c56849.doc [filepath] => files/attach/2008/07/task/17482_4872015c56849.doc [filemime] => application/msword [filesize] => 213504 ) ) [field_embedded_video] => Array ( ) [comment_type] => task_discussion [og_groups] => Array ( [0] => 82882 ) [og_groups_both] => Array ( [82882] => Jinja Central ) [og_public] => 1 [tags] => [nodewords] => Array ( ) [trid] => 0 [language] => en [i18n_status] => 0 [taxonomy] => Array ( ) [translation] => Array ( ) [cid] => 106441 [pid] => 0 [hostname] => 213.84.9.94 [thread] => 0a/ [mail] => [homepage] => [comment_target_nid] => 94117 [depth] => 0 )

Dear all,

I did some research on the options of a very simple form of backup power (for computers) by means of a ordinady car battery and an inverter. Attached you'll find a document that gives a desciption of this solution. Questions that are still open:

Is it possible to obtain car batteries in Jinja for a minimal price?
The same question goes for inverters and battery rechargers, although my guess is that these things are not easy to obtain?
Is there local knowledge on how to install this solution? (It isn't that complex, but needs to be done properly; for one to prolong battery life)

I hope this solutions proves to be helpful.

regards,

Rinse

0
stdClass Object ( [nid] => 106444 [vid] => 106457 [type] => task_discussion [status] => 1 [created] => 1215441496 [changed] => 1217207022 [comment] => 2 [promote] => 1 [sticky] => 0 [revision_timestamp] => 1217207022 [title] => Re: Back up power with battery and inverter [body] => You do not have to use the inverter. That uses up most of the battery power. Wire the battery directly to the computer which uses 9-12 volts. See attachment. Email any questions to: minifarms@gmail.com [teaser] => [log] => [format] => 0 [uid] => 5266 [name] => [picture] => [data] => a:6:{s:16:"nodecomment_sort";s:1:"1";s:16:"privatemsg_allow";i:1;s:28:"privatemsg_setmessage_notify";i:0;s:8:"og_email";s:1:"2";s:17:"messaging_default";s:4:"mail";s:7:"contact";i:0;} [path] => village/jinja-central/project/task/discussion/re-back-power-with-battery-and-inverter [field_attachment] => Array ( [0] => Array ( [fid] => 19713 [description] => Access to low cost technology.doc [list] => 0 [nid] => 106444 [filename] => 5266_48722a5862c3d.doc [filepath] => files/attach/2008/07/task/5266_48722a5862c3d.doc [filemime] => application/msword [filesize] => 241664 ) ) [field_embedded_video] => Array ( ) [comment_type] => task_discussion [og_groups] => Array ( [0] => 82882 ) [og_groups_both] => Array ( [82882] => Jinja Central ) [og_public] => 1 [tags] => [nodewords] => Array ( ) [trid] => 0 [language] => en [i18n_status] => 0 [taxonomy] => Array ( ) [translation] => Array ( ) [cid] => 106444 [pid] => 0 [hostname] => 213.84.9.94 [thread] => 0b/ [mail] => [homepage] => [comment_target_nid] => 94117 [depth] => 0 )

You do not have to use the inverter. That uses up most of the battery power. Wire the battery directly to the computer which uses 9-12 volts. See attachment.

Email any questions to: minifarms@gmail.com

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stdClass Object ( [nid] => 106450 [vid] => 106463 [type] => task_discussion [status] => 1 [created] => 1215503845 [changed] => 1217207052 [comment] => 2 [promote] => 1 [sticky] => 0 [revision_timestamp] => 1217207052 [title] => Re: Back up power with battery and inverter [body] => Hi Rinse and Ken, THanks for these great ideas! Ken, I just went through the document you attached. Pauls centre doesn't have laptops but ordinary PCs and CRT monitors... how does that influence things? I can see a laptop running on 12+V... but a PC? Thanks again, Pelle [teaser] => [log] => [format] => 0 [uid] => 5992 [name] => [picture] => [data] => a:8:{s:16:"nodecomment_sort";s:1:"2";s:16:"privatemsg_allow";i:1;s:28:"privatemsg_setmessage_notify";i:1;s:8:"og_email";s:1:"2";s:17:"messaging_default";s:4:"mail";s:7:"contact";i:1;s:8:"options1";s:1:"0";s:29:"taxonomy_image_disable_images";i:0;} [path] => village/jinja-central/project/task/discussion/re-back-power-with-battery-and-inverter-0 [field_embedded_video] => Array ( ) [comment_type] => task_discussion [og_groups] => Array ( [0] => 82882 ) [og_groups_both] => Array ( [82882] => Jinja Central ) [og_public] => 1 [tags] => [nodewords] => Array ( ) [trid] => 0 [language] => en [i18n_status] => 0 [taxonomy] => Array ( ) [translation] => Array ( ) [cid] => 106450 [pid] => 0 [hostname] => 213.84.9.94 [thread] => 0c/ [mail] => [homepage] => [comment_target_nid] => 94117 [depth] => 0 )

Hi Rinse and Ken,

THanks for these great ideas!

Ken, I just went through the document you attached. Pauls centre doesn't have laptops but ordinary PCs and CRT monitors... how does that influence things? I can see a laptop running on 12+V... but a PC?

Thanks again,

Pelle

0
stdClass Object ( [nid] => 108084 [vid] => 108097 [type] => task_discussion [status] => 1 [created] => 1215517333 [changed] => 1217213791 [comment] => 2 [promote] => 1 [sticky] => 0 [revision_timestamp] => 1217213791 [title] => Re: Back up power with battery and inverter [body] => The PC also. Has a built in converter from whatever is sent to it. [teaser] => [log] => [format] => 0 [uid] => 5266 [name] => [picture] => [data] => a:6:{s:16:"nodecomment_sort";s:1:"1";s:16:"privatemsg_allow";i:1;s:28:"privatemsg_setmessage_notify";i:0;s:8:"og_email";s:1:"2";s:17:"messaging_default";s:4:"mail";s:7:"contact";i:0;} [path] => village/jinja-central/project/task/discussion/re-back-power-with-battery-and-inverter-1 [field_embedded_video] => Array ( ) [comment_type] => task_discussion [og_groups] => Array ( [0] => 82882 ) [og_groups_both] => Array ( [82882] => Jinja Central ) [og_public] => 1 [tags] => [nodewords] => Array ( ) [trid] => 0 [language] => en [i18n_status] => 0 [taxonomy] => Array ( ) [translation] => Array ( ) [cid] => 108084 [pid] => 0 [hostname] => 213.84.9.94 [thread] => 0d/ [mail] => [homepage] => [comment_target_nid] => 94117 [depth] => 0 )

The PC also. Has a built in converter from whatever is sent to it.

0
stdClass Object ( [nid] => 108177 [vid] => 108190 [type] => task_discussion [status] => 1 [created] => 1216036574 [changed] => 1217214073 [comment] => 2 [promote] => 1 [sticky] => 0 [revision_timestamp] => 1217214073 [title] => Re: Back up power with battery and inverter [body] => Dear all, I read the document Rinse posted. Nice to hear expensive inverters may not be needed! Also, I have another question. If you use cheap, and thus second hand batteries, what does this mean for the quality and life time of these batteries in comparison with new batteries? Does anybody know? Regards, Else [teaser] => [log] => [format] => 0 [uid] => 17835 [name] => [picture] => [data] => a:0:{} [path] => village/jinja-central/project/task/discussion/re-back-power-with-battery-and-inverter-2 [field_embedded_video] => Array ( ) [comment_type] => task_discussion [og_groups] => Array ( [0] => 82882 ) [og_groups_both] => Array ( [82882] => Jinja Central ) [og_public] => 1 [tags] => [nodewords] => Array ( ) [trid] => 0 [language] => en [i18n_status] => 0 [taxonomy] => Array ( ) [translation] => Array ( ) [cid] => 108177 [pid] => 0 [hostname] => 213.84.9.94 [thread] => 0e/ [mail] => [homepage] => [comment_target_nid] => 94117 [depth] => 0 )

Dear all,

I read the document Rinse posted. Nice to hear expensive inverters may not be needed!

Also, I have another question. If you use cheap, and thus second hand batteries, what does this mean for the quality and life time of these batteries in comparison with new batteries? Does anybody know?

Regards,

Else

0
stdClass Object ( [nid] => 108178 [vid] => 108191 [type] => task_discussion [status] => 1 [created] => 1216042182 [changed] => 1217214076 [comment] => 2 [promote] => 1 [sticky] => 0 [revision_timestamp] => 1217214076 [title] => Re: Back up power with battery and inverter [body] => Hi Else, welcome to Jinja! Good to see you joined the discussion already. Ken - didn't know about the converters in the computers... how does that work? To be honest I had never heard about it (or I just didn't pay attention:-D) I mentioned the idea of the car batteries to Paul last week, but he didn't seem too happy about it :-?. Apparently he's blown an invertor before in his life. He'll need to be convinced I think. Pelle [teaser] => [log] => [format] => 0 [uid] => 4883 [name] => [picture] => [data] => a:9:{s:29:"taxonomy_image_disable_images";i:0;s:16:"nodecomment_sort";s:1:"2";s:16:"privatemsg_allow";i:1;s:28:"privatemsg_setmessage_notify";i:1;s:8:"og_email";s:1:"1";s:17:"messaging_default";s:10:"privatemsg";s:7:"contact";i:1;s:14:"tinymce_status";s:4:"true";s:8:"sms_user";a:1:{i:0;N;}} [path] => village/jinja-central/project/task/discussion/re-back-power-with-battery-and-inverter-3 [field_embedded_video] => Array ( ) [comment_type] => task_discussion [og_groups] => Array ( [0] => 82882 ) [og_groups_both] => Array ( [82882] => Jinja Central ) [og_public] => 1 [tags] => [nodewords] => Array ( ) [trid] => 0 [language] => en [i18n_status] => 0 [taxonomy] => Array ( ) [translation] => Array ( ) [cid] => 108178 [pid] => 0 [hostname] => 213.84.9.94 [thread] => 0f/ [mail] => [homepage] => [comment_target_nid] => 94117 [depth] => 0 )

Hi Else, welcome to Jinja! Good to see you joined the discussion already.

Ken - didn't know about the converters in the computers... how does that work? To be honest I had never heard about it (or I just didn't pay attention:-D)

I mentioned the idea of the car batteries to Paul last week, but he didn't seem too happy about it :-?. Apparently he's blown an invertor before in his life. He'll need to be convinced I think.

Pelle

0