or do you just wait for it to come back on? How many have inventive ways to ride thru for 3+ days w/o endangering heating, food supply, darkness, security, ect? If you're running a generator w/o going off site, who long are you good for?
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Join the contest Subscribeor do you just wait for it to come back on? How many have inventive ways to ride thru for 3+ days w/o endangering heating, food supply, darkness, security, ect? If you're running a generator w/o going off site, who long are you good for?
Cannot be over stated. We do a lot of gennys on houses because it's a popular thing to have on high end homes and that's what I do. The transfer switch and wiring it with auto and all can be tricky and is often done wrong.I've had a whole house backup (propane) for 14 years. A Coleman with automatic transfer switch. I've replaced the battery twice and tighten the belt once.
This summer I should remember to change the oil. It's made my life easy and worry free.
It's located right outside my bedroom window. Advantage: if the power goes out at 2:00 am I know it. Disadvantage: if the power goes out at 2:00 am I know it.
Decide if you need to be awoke to know the power is out when siting the genetic. Get somebody who really knows what they are doing to wire it in. Keep the manuals on top of the automatic transfer switch so you can find them when you need them.
I actually have one of those "Automatic starter/transfer" switches made by Westinghouse, but I haven't implemented it yet.I've had a whole house backup (propane) for 14 years. A Coleman with automatic transfer switch. I've replaced the battery twice and tighten the belt once.
This summer I should remember to change the oil. It's made my life easy and worry free.
It's located right outside my bedroom window. Advantage: if the power goes out at 2:00 am I know it. Disadvantage: if the power goes out at 2:00 am I know it.
Decide if you need to be awoke to know the power is out when siting the genetic. Get somebody who really knows what they are doing to wire it in. Keep the manuals on top of the automatic transfer switch so you can find them when you need them.
I’m on propane / LP for the furnace / gas range stove and can go for a few months on that. As batteries get more efficient, I’ll very likely do solar to run fridges / freezers etc. Geothermal heating / cooling is on the list too (probably before solar). We are on a well so drinking water isn’t an issue (can filter if something crazy happens)
It’s in standard electric right now but would ideally have it hooked to the battery power if needed. We are less than 10 yrs from probably needing a new well and I’ll keep that capacitor in mind, thanks!What's your power source for the well pump? That one tends to mess with newbie generator owners. It kick starts really hard and the generator might not be able to cover it (and everything else). When I had my HVAC replaced 1.5 years ago, I had them put in a "slow start" capacitor so the surge wouldn't be challenged as much.
It’s in standard electric right now but would ideally have it hooked to the battery power if needed. We are less than 10 yrs from probably needing a new well and I’ll keep that capacitor in mind, thanks!
Reduced starting systems are made for larger motors, but soft starts are made for all motors & applications. Or you can field fabricate one if you know how. Unless you know where to source the Cap/s ect cheaply you're better off just buying off the shelf. All you need is the motor specs, or in most home applications just the motor size or HP & voltage. The smaller home usage ones can be found on Gay-Bay or Amazon. Many electrical supply houses carry them as well.Just to be clear, my "capacitor" thing was specific for the HVAC compressor only. I don't know if they make them for a well pump, but I'm sure that could be easily researched.
Fuel can be an issue, depending type usage.It’s a catch 22 but the fuel source is a tough one.
Propane is great because you might have a big tank but its use is much higher than liquid fuel. Instead of burning 1 gal a hour your burning 3 gallons a hour of propane (just rough numbers for the convo)
Gas is great but we know that’s the first to run out.
Diesel is even better because it’s what trucks and oil burners run in so you’ll always find it somewhere, but the gen sets are 3/5x more expensive if not more.
NG is great as it’s piped in and the gen sets are smaller and cheaper than diesel but…
During sandy the south shore if long island was fucked
They had to turn off the NG lines for repair etc. so if you made it through you had no fuel.
Propane trucks were all down there keeping the important stuff running so you weren’t getting a delivery for weeks.
And no repairs so if you had a leak because a tree root moved a fitting in the wind , and the neighbor smelled gas…you got turned off for safety…and your little fitting was less important than a town that was under water.
First hurricane I got through with a gas genset, just had to fill it and change oil etc
Second hurricane gas was out, hard to find. Lots of gas in the ground but no 220 service from the street to pump it up. State since mandated back up he sets for pumps because there was so much underground.
I wound up getting a diesel over 100 gallon tank craned in over my fence to the backyard.
It big and loud compared to a normal set but it’s a 3 cylinder Perkins marine engine. Made for off grid primary power supply.
Most residential /non primary power source gen sets have a very limited number or hours rated. Of course they will last longer but they aren’t made to run 10-12 days straight under heavy load….and we were out 12 or 13 days the last one.
EPG was my life's work, Commissioning, Designing ect. What engines, alternators & control packages (engine & speed) are your using?I manufacture diesel generator sets, so I always keep a "demo unit" at the house as a backup to my trailer mounted solar generator (LiFePo4 battery bank, inverter/transfer switch, and solar panels) system.
Fuel can be an issue, depending type usage.
Compression ignition engine (100% diesel) can be supplemented w/mineral oil in a 50/50 ratio. All home utility transformers have ruffly 4-5 gallons, so if it all goes to shit there is that.
Spark ignited engine/s will run just as well on wood gas as they do on N/G.
That is because Gasoline has more BTU per gallon that a gallon of LP. The same reason Diesel gen sets use less fuel Per KwH. Diesel runs between 130 & 145K BTU per gallon. The only thing better is bunker C which is higher yet, but it comes with its own issues. All prime movers (engines)have heat rate numbers, which equates to btu input to KwH output. As all engines are rated in KW (true power)only.I'd much prefer to run gasoline in the generator than propane. It seems to generate more (12500 running watts w as opposed to 9500 with propane).
That is because Gasoline has more BTU per gallon that a gallon of LP. The same reason Diesel gen sets use less fuel Per KwH. Diesel runs between 130 & 145K BTU per gallon. The only thing better is bunker C which is higher yet, but it comes with its own issues. All prime movers (engines)have heat rate numbers, which equates to btu input to KwH output. As all engines are rated in KW (true power)only.
I also have a collapsible fuel bladder in the garage. I think it’s 40 gallons.We, due to HOA regulations, would not be allowed to have a fuel tank of any variety in our yards. Certainly not one "above ground." Hell, I'm lucky my neighbors haven't seen my 4 5 gallon cans of gas and reported me. I keep them hidden from day-to-day view. We are "all electric" in my neighborhood (electric stove, etc. etc.). No "piped in" NG.Now, we also have most of our electrical utilities "underground," so there is that. We tend to take power hits only when the power company needs to shut us down deliberately for maintenance. Not sure what happened on Memorial Day, but the "maintenance" things is the primary reason.
And, TBH, I'd much prefer to run gasoline in the generator than propane. It seems to generate more (12500 running watts w as opposed to 9500 with propane).
What company?I manufacture diesel generator sets, so I always keep a "demo unit" at the house as a backup to my trailer mounted solar generator (LiFePo4 battery bank, inverter/transfer switch, and solar panels) system. The generators I tow home are always way overkill at 40kw to 100kw size, but knowing I have power on top is just a simple comfort.
UMS Power Generation.What company?
That is an understatement even in the commercial & to some extent industrial side. I was in the field for over 50 years on rope to compressed air start. Mostly all black start but some otherwise. Some things I would find on commissioning would curl your hair, and just when you think you had seen it all, along came a new papered E/E or E/contractor that would prove you wrong.The transfer switch and wiring it with auto and all can be tricky and is often done wrong.
Same here. Panels on the roof and a pair of Tesla Powerwalls.I installed offgrid solar last year so yes. It cost me 35k and I am saving 300+ a month on electricity.
If no sun and we conserve I am good for a week but so far it hasn't been an issue.
last summer I would come home from work and find the doors open and the AC on and for the first time not yell the barn statement at the grandkids...
I have a flat roof so I went with a low angle so it can't be seen but went with rack batteries.Same here. Panels on the roof and a pair of Tesla Powerwalls.
I got one for you.Cannot be over stated. We do a lot of gennys on houses because it's a popular thing to have on high end homes and that's what I do. The transfer switch and wiring it with auto and all can be tricky and is often done wrong.
A properly set up ATS will not return to normal until the power is stable for X time target that is set on the return to normal timer. Also many ATS's and especially the 4 pole's that break the neutral have a demand or preferred source option. This allows the facility to be completely off the grid when bad storms are coming or passing threw. EPG (electrical power generation) has a level technology than most out side of the industry are unaware of. Even if all the control's are smoked in an automatic transfer switch, quality units can still be used as a manual switch. Service entrance rated switches, and many others have a ton of options to include Automatic load shedding/adding, phase sequence, power factor, all the voltage & hertz target safety's, reverse current, neutral current set points, elevator call ect. When buying EPG gear its like buying hay for a horse, you can buy it before it goes thru the horse or after. When people buy based upon a price point, get the shovel out you're going to need it, normally at the worst time.What if power problems were fluctuating? No automatic TS to mess things up.
Yeah I like that a lot. That's basically what my set up is I just do it with a twist lock plug and of course they have a much bigger genny but there's a LOT less to go wrong with a manual switch.I got one for you.
I did the electrical on the Fire Station #1 in Melissa, Texas. They had a portable (on wheels) generator.
And a manual transfer switch. That may sound hick or stupid but I think it is excellent. What if power problems were fluctuating? No automatic TS to mess things up. Also a good idea because that fire station is also the Emergency Command Center when needed.
Yeah, the hvac units that we put in our super high efficiency homes have the ability to detect genny power vs reg power and only run at 20% or whatever you set it to. There's lots that can be done but there's not a lot of folks that know how to set up the bigger transfer switches and all that stuff correctly. They are really cool when they work correctly but every added feature or programing ect is another thing to break or go wrong when you need it to be right too, so I have some mixed feelings on it allA properly set up ATS will not return to normal until the power is stable for X time target that is set on the return to normal timer. Also many ATS's and especially the 4 pole's that break the neutral have a demand or preferred source option. This allows the facility to be completely off the grid when bad storms are coming or passing threw. EPG (electrical power generation) has a level technology than most out side of the industry are unaware of. Even if all the control's are smoked in an automatic transfer switch, quality units can still be used as a manual switch. Service entrance rated switches, and many others have a ton of options to include Automatic load shedding/adding, phase sequence, power factor, all the voltage & hertz target safety's, reverse current, neutral current set points, elevator call ect. When buying EPG gear its like buying hay for a horse, you can buy it before it goes thru the horse or after. When people buy based upon a price point, get the shovel out you're going to need it, normally at the worst time.
Naw, setting up a ATS is easy. The one that is in my home has been here for over 30 years and its never given trouble, even with up dated controls. Then again its a quality switch, also. The biggest issue with any ATS is improper or improperly installed lightening protection. You'll see three surge units on the bottom of mine, one each for Normal power, Load, & Generator power. These need to be changed out at least every 8-10 years, or when the status indicators read a fail. They should be tested each ATS service but most people never service their ATS let alone the surge units. What most power company's install on their poles are just about worthless. A quality switch gives little trouble, even if set somewhat wrong, but the cheap stuff even set per spec is trouble some even with quality service.Yeah, the hvac units that we put in our super high efficiency homes have the ability to detect genny power vs reg power and only run at 20% or whatever you set it to. There's lots that can be done but there's not a lot of folks that know how to set up the bigger transfer switches and all that stuff correctly. They are really cool when they work correctly but every added feature or programing ect is another thing to break or go wrong when you need it to be right too, so I have some mixed feelings on it all
I don't know which ones you'd call quality and which you wouldn't but of the major ones I've seen lots of issues with them over the years. Generac especiallyNaw, setting up a ATS is easy. The one that is in my home has been here for over 30 years and its never given trouble, even with up dated controls. Then again its a quality switch, also. The biggest issue with any ATS is improper or improperly installed lightening protection. You'll see three surge units on the bottom of mine, one each for Normal power, Load, & Generator power. These need to be changed out at least every 8-10 years, or when the status indicators read a fail. They should be tested each ATS service but most people never service their ATS let alone the surge units. What most power company's install on their poles are just about worthless. A quality switch gives little trouble, even if set somewhat wrong, but the cheap stuff even set per spec is trouble some even with quality service.
That is nothing more than a price point mfg. They are not even allowed to bid on most projects. The only reason they stay in business is they are cheap.Generac especially
Maybe so, I've certainly not been impressed with them and as of the last 4 or 5 years I practically beg home owners not to get a generac. We've used several including some of the ones you mentioned but for residential people aren't familiar with them and it's a royal pain in the butt to deal with inspections dept and the owners on em because of they way they force you to size them. So, people end up with a 40, or 60 (I've had one 80kw) when they could have been fine with a smaller one that's a better unit.That is nothing more than a price point mfg. They are not even allowed to bid on most projects. The only reason they stay in business is they are cheap.
For real quality the field is getting small these days depending your application & budget. Bottom end would be and this excludes their home lines.
Onan, Kohler, Cuttler/Hammer, Zenith, & Asco. The other end of the spectrum is Russell Electric and a few others but you'll need your banker & specifying engineer when dealing at that level. Their options are endless, to include but not limited to isolation bypass switches on the lower end of their gear, to utility grade to whatever level you require. One thong most forget you can have the best gear but installed or set up improperly it will give issues as well. The lower end stuff always has issues.
With my ATS I also have a big twist lock tied into my panel in the garage which I can back feed if the ATS shits the bed.That is nothing more than a price point mfg. They are not even allowed to bid on most projects. The only reason they stay in business is they are cheap.
For real quality the field is getting small these days depending your application & budget. Bottom end would be and this excludes their home lines.
Onan, Kohler, Cuttler/Hammer, Zenith, & Asco. The other end of the spectrum is Russell Electric and a few others but you'll need your banker & specifying engineer when dealing at that level. Their options are endless, to include but not limited to isolation bypass switches on the lower end of their gear, to utility grade to whatever level you require. One thong most forget you can have the best gear but installed or set up improperly it will give issues as well. The lower end stuff always has issues.
Yea even most E/E's have trouble with gen set sizing. I can tell you a huge plant in Savanna Ga learned that lesson the hard way, to the tune of 2.5 million do to their so called EE not understanding inrush, or why a simple in phase monitor should have been installed in their ATS.Maybe so, I've certainly not been impressed with them and as of the last 4 or 5 years I practically beg home owners not to get a generac. We've used several including some of the ones you mentioned but for residential people aren't familiar with them and it's a royal pain in the butt to deal with inspections dept and the owners on em because of they way they force you to size them. So, people end up with a 40, or 60 (I've had one 80kw) when they could have been fine with a smaller one that's a better unit.
I also have a collapsible fuel bladder in the garage. I think it’s 40 gallons.
I filled it up last storm just in case. Then I dumped it in my oil tank
That is an issue many of us have tried to resolve. Genajunk ATS's (& a few others) have such cheap coil clearing contacts its only a matter of when not if they fail then smoke the linear motor. Or fail to close electrically and the ATS does nothing when told to. Genajunk will not sell you those contacts even if your in the industry or a dealer for them, but will sell you a complete mechanism for more $ than you can buy the complete switch for. However you can buy a replacement set of contacts off gay-bay that have a 5X current rating for 98 cents a piece if you know what your looking for.Decades ago, I had a WINCO (Ward Leonard controls) ATS connecting the house/grid/genset.
When parts for repairs (contactors & related) became crazy expensive,
I replaced it with a Square-D manual transfer switch.
For a small residential application, sometimes simple is good!
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