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YAHT (Hurricane) Ike

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Originally posted by: AnthroAndStargate
Originally posted by: bamacre
Originally posted by: AnthroAndStargate
Originally posted by: bamacre
Originally posted by: AnthroAndStargate
Do you guys really think the power will be out for 2 weeks? It even says that on Centerpoint Energy's site.
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Some people may be, but the majority of people will not have to wait that long. Power that will be out for 2 weeks or more will be due to downed trees and other kinds of damage.
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Am I dreaming to think that by tomorrow night power will start coming back on for the less damaged areas?
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No idea. Where exactly are you?
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North West Houston
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Quite possibly, especially if this is an area with fewer trees.
 
Originally posted by: Eli
It would technically be better to have the laptop always plugged into the UPS when its on. If you have to charge the laptop with the UPS, you introduce more efficiency loss.

Throttle the core down, turn the LCD brightness down and make sure not to use any CPU intense applications.

With my modified UPS, I can get up to 35hrs of runtime, powering my laptop, router and cable modem.

If I had sun, that could be doubled with input from the panels.
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Mind the cooling on that thing. Those UPSes were likely designed to put out only as much power (and heat) as the small battery in them could handle.
 
Originally posted by: Eli
Originally posted by: Shawn
Originally posted by: Eli
Originally posted by: ElFenix
250,000 customers without electricity


forecasting up to 1 million without electricity. glad i have 4 UPSes and two batteries for my computer
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Switch to a laptop if you can.

Also, throttle down your core clock. It helps power consumption a lot.

Put your router and cable modem on a UPS. You may get lucky and still be able to get the internet. I have lost power several times, but still been able to get online with this setup.
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That is why I do. Use the UPS just for the router and modem and use the laptop to conserve power.
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It would technically be better to have the laptop always plugged into the UPS when its on. If you have to charge the laptop with the UPS, you introduce more efficiency loss.

Throttle the core down, turn the LCD brightness down and make sure not to use any CPU intense applications.

With my modified UPS, I can get up to 35hrs of runtime, powering my laptop, router and cable modem.

If I had sun, that could be doubled with input from the panels.
Click to expand...

Wow, that's neat, kinda got a Uni-bomber look to it..Anyway after the 'cane you will too busy trying to collect the critical things to mess with the internets. mostly gas and ice..
 
Originally posted by: Jeff7
Originally posted by: Eli
It would technically be better to have the laptop always plugged into the UPS when its on. If you have to charge the laptop with the UPS, you introduce more efficiency loss.

Throttle the core down, turn the LCD brightness down and make sure not to use any CPU intense applications.

With my modified UPS, I can get up to 35hrs of runtime, powering my laptop, router and cable modem.

If I had sun, that could be doubled with input from the panels.
Click to expand...
Mind the cooling on that thing. Those UPSes were likely designed to put out only as much power (and heat) as the small battery in them could handle.
Click to expand...
Yeah, but that is determined by the circuitry, not the battery. If it's overloaded, it will go into protect mode. Battery size doesn't matter as far as the unit is concerned.

It even works with the UPS software, which was actually surprising. Gives me accurate state of charge and time estimates.

 
Originally posted by: dbk
CNN just said people are calling local enforcement to come rescue them from Galveston... 🙁
rose.gif
Terrible
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Sorry, but they're idiots.
 
Originally posted by: SSSnail
Originally posted by: dbk
CNN just said people are calling local enforcement to come rescue them from Galveston... 🙁
rose.gif
Terrible
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Sorry, but they're idiots.
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I have a tendancy to have little sympathy also. For Christ's sake, the evacuations were mandatory.......

Not that I expect every last person to be able to leave, but from the sounds of it.. this could be a huge disaster simply because people didn't heed the warnings.
 
Some famous Restaurant (Brennans) just burned down in downtown Houston.

People were injured or killed that were in the building.

Fire started on top floor where people were riding the storm out.

 
Originally posted by: Eli
Yeah, but that is determined by the circuitry, not the battery. If it's overloaded, it will go into protect mode. Battery size doesn't matter as far as the unit is concerned.

It even works with the UPS software, which was actually surprising. Gives me accurate state of charge and time estimates.
Click to expand...
I'm talking about heat buildup. Let's say the battery is rated for 12V at 9 Amps. That'd be a maximum of 108W that the circuitry would have to dissipate, whether it be over 60 minutes or 4 minutes. So if the UPS is outputting at maximum capacity, the entire unit won't have a chance to heat up because the small battery will run out of power. When that happens, the UPS is allowed to cool off.
But if you were to start running power through it for much longer than it was designed for, it could start to accumulate heat, and be unable to dissipate it adequately.

 
Originally posted by: dmcowen674
Some famous Restaurant (Brennans) just burned down in downtown Houston.

People were injured or killed that were in the building.

Fire started on top floor where people were riding the storm out.
Click to expand...

Yeah, Brennan's is quite famous. There is one, the original, in NOLA, and one here in Memphis (Owen Brennan's), which is my favorite place to eat.

Two people were "injured" from what I hear.
 
Originally posted by: Jeff7
Originally posted by: Eli
Yeah, but that is determined by the circuitry, not the battery. If it's overloaded, it will go into protect mode. Battery size doesn't matter as far as the unit is concerned.

It even works with the UPS software, which was actually surprising. Gives me accurate state of charge and time estimates.
Click to expand...
I'm talking about heat buildup. Let's say the battery is rated for 12V at 9 Amps. That'd be a maximum of 108W that the circuitry would have to dissipate, whether it be over 60 minutes or 4 minutes. So if the UPS is outputting at maximum capacity, the entire unit won't have a chance to heat up because the small battery will run out of power. When that happens, the UPS is allowed to cool off.
But if you were to start running power through it for much longer than it was designed for, it could start to accumulate heat, and be unable to dissipate it adequately.
Click to expand...
Ahh, good point. Didn't think of it like that.

That's a fairly stupid safety implementation though. 😛 lol

I don't think I've ever run it at maximum capacity, but I'll have to do that and see if it gets warm at all.
 
Man, I hope our lab freezers at Rice University don't thaw out. They're on the backup power circuits, but if the power outages last more than 48 hours, it's going to get sketchy.
 
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