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Battery Charger Tutorial
Technology Basics
Backup Systems: What's Best to Use During an Outage?
Batteries: What Type Should I Use?
Batteries: What is 3-stage Charging?
Batteries:
Calculate How Long a Battery-Appliance Combination Can Operate
Inverters: Installation Questions
Inverters: How to Select the Right One
Inverters: Definition, Size, Length of Operation, Equipment to be Operated
Inverter/Chargers: What are They?
Net
Metering: What is It, and Why is It Important?
Renewable Energy: Grid-Tie System Benefits
Renewable Energy: Off-Grid Power Systems
RV
Data Networks
Sine Waves: What does "Modified" and "True" Sine Wave Mean?
What is an Inverter/Charger?
Many systems incorporate an inverter/charger, which is a combination of an
inverter, battery charger and transfer switch in one. The inverter portion
converts DC power from an energy source into AC Power. The battery
charger processes incoming AC power into DC power and recharges batteries using
a multi-stage process, which helps assure maximum battery life. Some models are
also able to automate supplementary power production with automatic generator
start and stop capabilities.
Inverter FAQs
An inverter converts DC power from an
external power source into AC power.
| What size of inverter do I need?
Choosing
the right size of inverter depends on the power requirements of the
appliances you expect to operate at any given time. You should consider
both the continuous and surge power rating of your appliance. The
continuous rating must be high enough to handle all the loads that may
run at the same time. The inverter must also be capable of handling the
starting surge of all loads that may start at the same time. Loads
typically take many times their continuous rating to start. |
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| How long can I operate my inverter?
The length of time you can operate an
inverter depends on the amp-hour capacity of your battery bank.
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| Can I use my computer with an inverter?
Both sine-wave and modified sine-wave
inverter output will operate a computer, including a laptop. However,
some monitors and laser printers can only be powered by sine wave
output. |
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| Is it possible to run an air conditioner on an inverter?
Yes, it is possible to operate a small
air conditioner in the 5000-9000 BTU range using a higher-powered
inverter and battery bank with the right capacity for power. Select an
inverter and battery combination that takes into account the startup
surge required by the air conditioner. |
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| Should I leave my inverter ON or OFF when shorepower is
available?
When shorepower is available, you may
leave your inverter ON or OFF. There are advantages and disadvantages to
both methods. If the inverter is left ON, you have immediate backup AC
power if you lose shorepower. You may not be aware shorepower is lost
until your batteries are fully discharged. If you choose to leave your
inverter OFF you have the advantage of knowing when you have lost
shorepower. This, however, is at the expense of losing automatic backup
power capabilities. |
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| What is automatic AC transfer switching?
All Xantrex Inverter/Chargers
incorporate an automatic transfer switch. This switch senses when
outside AC Power is present and transfers the load from the inverter to
the source of incoming power (shore or generator). The unit also
automatically switches from invert mode to charge mode. |
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Using a polarity tester with an inverter
When I check the 115 volt output of a Xantrex inverter with a
three light polarity tester, all three lights come on. There is no
fault description for the tester covering this. My ground fault
outlets do not trip. Is there a problem?No. What you are
seeing is normal if you are testing the output of a Modified Sine Wave (MSW)
inverter. The device you’re using is for use with household utility
power; the internal wiring of the inverter causes this symptom.
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| Can I install the inverter without a fuse?
No. A fuse (or circuit breaker, depending on the location and nature
of the application) is an integral part of the safe installation of many
Xantrex Technology Inc. products. If your installation does not meet
the recommendations and specifications in the user guide, it is possible
that an unsafe condition may be created, which could result in a fire.
Your insurance company may not be obliged to cover damages in this
case.
Follow the installation guidelines in the manual for optimal
performance and safety of your Xantrex Technology Inc. power conversion
product.
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| Remote on/off switch for Prowatt and Portawattz
The remote on/off switch for Prowatt and Portawattz products is part
number 808-9000. It includes 20 feet (6 meters) of cable and works with
the following products:
Portawattz inverters (1000, 1750, 3000).
All Prowatt inverters over 800 watts, whether 12 or 24VDC and whether
domestic or international.
The Prowatt and Portawattz models mentioned above can be controlled
remotely by an external dry-contact switch. You can find more
information on the electrical requirements of the switch at our support
FAQ under Prowatt products entitled Prowatt 1000/1750/3000
Remote Control.
NOTE: This switch does not work with Xpower Plus
inverters. For the Xpower 1200 Plus and Xpower 1750 Plus inverters, the
correct remote switch part number is 808-9500. It is also available
through Xantrex E-store. Do not use the electrical information at the
above-noted FAQ for Xpower Plus inverters. |
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| Do I need to install my inverter near my batteries?
Ideally
an inverter should be installed within 10 feet of the battery bank. If
you increase this distance, you will need to use larger DC cables to
compensate for a drop in voltage and DC ripple. |
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| Can I install my inverter/charger in a gasoline engine
compartment?
All Xantrex Inverter/Chargers are not ignition protected and
therefore should not be installed in a gasoline engine compartment. They
are approved for installation in a diesel engine compartment. |
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| What type of environmental conditions must I consider when
installing an inverter/charger?
All Xantrex Inverter/Chargers must be
installed in a dry, well-ventilated compartment. While most units are
designed to withstand corrosion from the salty air, they are not splash
proof. The units also require a fresh air supply to operate properly.
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Battery tips
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