grumpy
Solar Newcomer
Posts: 40
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Post by grumpy on Aug 15, 2018 16:07:27 GMT
What is the actual AC voltage output for a 120 volt inverter when on Battery Power? I am currently using a 1250 Watt Tripp-Lite Charger/Inverter that was used in the mid 1990's for backup power at an ISP 4800 baud modem bank. (Tripp-Lite has no info on this unit due to age) The reason I'm asking is when on shore power the inverter puts out normal 120 volt however when switching to Battery the voltage jumps up to 139 -141 volts depending on load and the no-load amp draw is 1.2 amps.  |
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Post by bupkis on Aug 15, 2018 19:07:56 GMT
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Post by Admin on Aug 16, 2018 18:17:52 GMT
What is the actual AC voltage output for a 120 volt inverter when on Battery Power? I am currently using a 1250 Watt Tripp-Lite Charger/Inverter that was used in the mid 1990's for backup power at an ISP 4800 baud modem bank. (Tripp-Lite has no info on this unit due to age) The reason I'm asking is when on shore power the inverter puts out normal 120 volt however when switching to Battery the voltage jumps up to 139 -141 volts depending on load and the no-load amp draw is 1.2 amps. Grumpy, The nominal voltage on Renogy's inverter chargers is 120VAC, with actual voltage values 110-120 VAC. -Renogy Team |
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v10
Solar Advocate
Posts: 81
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Post by v10 on Aug 17, 2018 1:12:09 GMT
Grumpy, I had one of those Tripp-lites that I rescued from a retired ambulance.
It's been a few years but it was a well built unit and as I recall it read the nominal 110v-120v =or-. (Still in service in a friends truck)
I wonder if something is going on internally.(?)
A loaner inverter from a friend connected to your bank would be a good troubleshoot.
If his reads normal, it's inside your inverter.
If his does the same thing, the problem is somewhere else.
The link bupkis provided states safe, stable, computer grade 120v from a 12v bank
In the meantime keep an eye out for a retired ambulance.
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Post by Saddle on Aug 20, 2018 21:23:47 GMT
Not the answer but a question
Recently converted to a camper van.
two 100W solar panels, a wanderer, two AGM 12V 100ah battery parallel connected.
Inverter Power techOn 1500W pure sine wave (max 3000W)
250A trip circuit breaker between battery and inverter.
Even used the inverter on 900W, battery voltage drop from full to 12.2V
and tripped either by wanderer or the circuit breaker to the inverter.
If I run the engine and connect via an isolator (usually not connected with trip switch)
it may run a little longer to start to boil a kettle but no more.
With my power set up, I cannot use this inverter? or any other solution?
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Post by tattoo on Aug 20, 2018 21:49:47 GMT
Not the answer but a question Recently converted to a camper van. two 100W solar panels, a wanderer, two AGM 12V 100ah battery parallel connected. Inverter Power techOn 1500W pure sine wave (max 3000W) 250A trip circuit breaker between battery and inverter. Even used the inverter on 900W, battery voltage drop from full to 12.2V and tripped either by wanderer or the circuit breaker to the inverter. If I run the engine and connect via an isolator (usually not connected with trip switch) it may run a little longer to start to boil a kettle but no more. With my power set up, I cannot use this inverter? or any other solution? You will never get it to do what your trying to do with such a small system.....
Yes sir the solution to your problem is Propane....... You need it....
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Post by bupkis on Aug 20, 2018 22:29:01 GMT
With my power set up, I cannot use this inverter? or any other solution? you need to determine what 'triped' the inverter. Wired directly to the batt, the controller has nothing to do with it. If the 900w/90A load tripped a 250A breaker there is something wrong. Inverters are usually good to 11.5 of less voltage before the quit, your inverter manual may have some answers. |
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grumpy
Solar Newcomer
Posts: 40
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Post by grumpy on Aug 28, 2018 2:17:40 GMT
Grumpy, I had one of those Tripp-lites that I rescued from a retired ambulance. It's been a few years but it was a well built unit and as I recall it read the nominal 110v-120v =or-. (Still in service in a friends truck) I wonder if something is going on internally.(?) A loaner inverter from a friend connected to your bank would be a good troubleshoot. If his reads normal, it's inside your inverter. If his does the same thing, the problem is somewhere else. The link bupkis provided states safe, stable, computer grade 120v from a 12v bank In the meantime keep an eye out for a retired ambulance. FYI, I took out the Tripp-Lite and replaced it with a 3000 watt unit. 1/3 the weight and normal 120 voltage output. Next to replace the flooded 100 ah battery with a couple of 125 AGM |
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Post by tattoo on Aug 28, 2018 12:14:05 GMT
FYI, I took out the Tripp-Lite and replaced it with a 3000 watt unit. 1/3 the weight and normal 120 voltage output. Next to replace the flooded 100 ah battery with a couple of 125 AGM Any reason why your going with such a small ah battery? Are you restricted because of room? |
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grumpy
Solar Newcomer
Posts: 40
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Post by grumpy on Aug 28, 2018 12:40:47 GMT
FYI, I took out the Tripp-Lite and replaced it with a 3000 watt unit. 1/3 the weight and normal 120 voltage output. Next to replace the flooded 100 ah battery with a couple of 125 AGM Any reason why your going with such a small ah battery? Are you restricted because of room? Restricted by weight. System is installed in a Vnose 16 ft Utility Trailer. The flooded battery came with the trailer. (my mistake) |
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Post by tattoo on Aug 28, 2018 13:41:06 GMT
Any reason why your going with such a small ah battery? Are you restricted because of room? Restricted by weight. System is installed in a Vnose 16 ft Utility Trailer. The flooded battery came with the trailer. (my mistake) Yep that's what I figured.... It would be nice if you could find more of an ah sealed battery that will fit in that space.... Bigger is better in the long run... |
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