Question about Generac 5606 XP Series XP8000E 12,000 Watt 410cc OHV Portable Gas Powered G

1 Answer

During a recent power outage I could not use my computers when they were hooked up to their battery backups (UPS)and the generator was being used. I have a proper transfer switch with 12 breakers. They would work fine if I bypassed the UPS. This prompted me to get out my Fluke meter and check the generator output. My generator produces 123 volts at 63 Hz. If I adjust the governor to get down to 60 Hz the voltage drops to 106. I would have expected a proportional change in voltage which would have given me 117 volts. Any ideas?

Posted by on

  • 1 more comment 
  • sho11 Jan 31, 2010

    My meter is a true RMS meter (Fluke 87). When I plug it into an outlet under normal conditions I get 120 volts and 60 Hz so I'm guessing the meter is pretty accurate.

    If I understand you correctly you think voltage is important and freq is not. So should I adjust the governor to 120.

    You also mentioned that the two are independant. Is there a way to adjust then independantly?

    The other half of the question was why my UPS would not work when powered by the generator at 123 and 63 Hz. Any ideas? I have three UPS and none of them would feed the power from the generator through to their outlets. They just clicked and cycled on and off. One of the three failed completely and I've had to replace it.


  • sho11 Feb 02, 2010



    I don't understand this response. The generator only puts out as much current as the items connected to it require. Obviously the UPS has been handling the current draw just fine. As a matter of fact it is rated at 450 watts and I have a pretty normal PC, monitor and printer hooked up to it. I don't think that is a problem. The UPS may have blown when the power went out and a tree fell through the power lines. But there are two other UPS units in the house hooked up to two other computers. They wouldn't work on the generator either but worked fine once more when the power came back on.

    I'm still trying figure out if the 123 volts or the 63 Hz is a problem. My transfer switch/panel has two watt meters on it and combined the read about 3500 watts when nearly everything in the house is running. This is an 8000 watt generator. I used to run the computer on my 1000 watt generator.


  • sho11 Feb 02, 2010

    You can keep trying to explain but I'm afraid I am losing faith. Maybe we are talking about two different things. As I stated before current is a function of the load, not the capacity of either the generator or the UPS. The UPS doesn't draw anything, its just a surge protector if there is power applied to it and it shouldn't matter if that power is coming from the power company or a generator.




×

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Master
  • 3,037 Answers

Is the 123 Volts an RMS value (peak value) or an average value that you were measuring off of the generator with the meter? The voltage and frequency don't really depend on each other as you can run any voltage at any frequency. What is important is that you are running the generator at the correct voltage (the frequency won't make much difference in the operation of the electronics as long as it isn't a huge change such as running at 10000 Hz or something). You should be reading a peak value of 120*sqrt(2) = 170 volts from the meter. So if you get it running at 170 volts (peak value) or 120 volts (average value), then there should be enough voltage to run the electronics.

Let me know how this works out for you.


Benjamin

Posted on Jan 31, 2010

  • 2 more comments 
  • Benjamin Patri
    Benjamin Patri Jan 31, 2010

    Have you measured how much current is coming from the generator when you have everything hooked up? It sounds like the UPS systems are the problem and can't handle what the generator is supplying is one of them already burnt out. I would check the ratings on the UPS that you are using and then make sure that it is within limits of what the generator is sending to it.

    Let me know what you find.


  • Benjamin Patri
    Benjamin Patri Jan 31, 2010

    Sorry bad wording in my previous comment.

    Have you measured how much current is coming from the generator when you
    have everything hooked up? It sounds like the UPS systems are the
    problem and can't handle what the generator is supplying WITH one of them
    already burnt out. I would check the ratings on the UPS that you are
    using and then make sure that it is within limits of what the generator
    is sending to it.

  • Benjamin Patri
    Benjamin Patri Feb 02, 2010

    Alright, right there is your problem, you have a 8000 watt generator and only have 3 UPS units that can handle 450 watts each, That is a HUGE difference, your generator is probably kicking out too much power to the UPS units. Watts is a unit of power. Have you checked the amperage rating (amps) or unit of Current (I) that is going from the generator to the UPS systems like I asked you to do before? Fuse box breakers blow or break when there is too much current. Check your CURRENT please that is coming from the generator to the UPS units. To do this, you need to connect the meter in line with the generator to the UPS.

    Please let me know if you are still confused and I will try to explain it a different way, but basically you need to check the Current (amps) and not the power (watts).


  • Benjamin Patri
    Benjamin Patri Feb 03, 2010

    True it shouldn't normally matter where the power is coming from, but if you have no breaker in between the UPS and the generator, then you may have too much current. If you want to try and explain your problem to another expert, go ahead. I hope you get it fixed, but I still believe you are having too much current running to the UPS which is why they would fry.

    Let me know if you need anything else.


×

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Not Working During Power Outage


Bad battery in the UPS. To test unplug all equipment. Check outgoing power with voltage meter. Should read around 115vAC. Then unplug from the wall outlet. Check voltage again. If no voltage is present its a bad battery.

Sep 04, 2013 | CyberPower Computers & Internet

1 Answer

Cyberpower 425 va When the device kicked in during


You can change that. It is designed to alart you during a power outtage. That way you will have time to shut down your servers. It will alway alarm during a power outage. But check to make sure your batteries are in good condition

Sep 09, 2011 | CyberPower Intelligent LCD CP825LCD 825 VA...

3 Answers

Can i have all the basic details of UPS system


UPS come in two types, lower powered cheaper types are usually switch over power.
These units senses a power outage and then switch over to the battery power to generate mains supply. The switch over occurs in milli-secs and does not affect the computer.
True UPS types constantly run off battery power to generate mains supply so there is no switch over time lag. These units are higher powered and higher costs units.

Both type of UPS have the same components.
Battery charger.
Batteries
Inverter that converts battery voltage to mains voltage
Electronic controls

Dec 16, 2010 | Emerson PowerSure Personal 500VA...

1 Answer

What problems do these technologies solve in UPS?


1. Provide conditioned clean AC power to computers & other peripherals (except laser printers, which should not be powered by UPS).
2. Protect equipment from the harmful effects of brownouts & sags.
3. Supply power to equipment during a power outage for a specific time, either to allow for the graceful shut down of systems, or to keep the systems working during the power outage (depending on the battery capacity).

Jul 17, 2009 | Fenton Technologies Computers & Internet

1 Answer

Battery Backup/Surge Protector Question


Considering the low draw of power you intend for the UPS it will work well. I have two monitors on a strip plugged into UPS along with desktop, routers and modems, UPS handles all well, it's just shortens battery backup times. Have had to power down from outages several times without any probs.

Jan 30, 2009 | APC Back-UPS RS Battery Backup (apw...

1 Answer

Ups troubles


What is happening here is you are transferring load to battery during a power outage but on return of Line Power the UPS is not smoothly transferring back to Normal mode. As a result you are basically turning off your computer. Two options... shut down your computer orderly during an outage or buy a new UPS.

DD
Dynamic Power Solutions LLC

Aug 20, 2008 | Computers & Internet

1 Answer

Not working


Some UPS have "Battery backup" and "Surge only" outlets. I don't know if it is the case for your model. The "Surge only" outlets are not connected to the battery and will go off during a power outage. Make sure that the equipement that need to keep running during the outage are connected to the "Battery backup".

Important: Never connect a laser printer to the "Battery backup" outlets because to power draw is just too high.

Have you made sure that the battery is connected inside the UPS? (If the battery is user-replacable)

You may do a simple experiment. Connect you UPS you a wall outlet and plug a conventionnal lamp to a battery backup outlet. Then, unplug the UPS from the wall. If the light goes off, then you may have a problem with your UPS.

Apr 19, 2008 | Belkin Home Office 350VA (f6h350-usb-dl)...

1 Answer

Only 1 phone rings


There is a small battery inside your main control unit that keeps programming in memory during a power outage. The life of the battery is about 5 years give or take. When the system goes down for an extended period (or possibly several quick on/off cycles) your programming will be wiped out. By default, only a few telephones will ring. The battery is most likely a small blue 3-cell battery soldered right on the main board. It's not easily replaced. You can get a technician to replace it or hook up a standard battery backup unit (UPS) made for a computer. Your phone system uses less power than a computer so it can use any UPS and will last longer than advertised. Hard to say exactly how long. Just don't re-program the system until you take care of the problem or it will just default on you again.

May 30, 2006 | Vodavi Starplus DHS 7312 Enhanced Phone

Not finding what you are looking for?
Generac 5606 XP Series XP8000E 12,000 Watt 410cc OHV Portable Gas Powered G Logo

Related Topics:

137 people viewed this question

Ask a Question

Usually answered in minutes!

Top Generac Measuring Tools & Sensors Experts

deton8 von Splosion

Level 3 Expert

2590 Answers

David Ellis Rhea

Level 3 Expert

2341 Answers

Lucy Angela
Lucy Angela

Level 2 Expert

32 Answers

Are you a Generac Measuring Tool and Sensor Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...