HDN-F series Emergency Inverted Power Supply

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Scope of Application

This product is suitable in computer and communication systeem，It is a ideal equipment to provide ac power supply for these place where is out of electricity usually as hospital，shop，family and so on。

Main Advantage

Stable output waveform，fast changeover；it can changfe into inverted power supply automatically after the normal power supply is interrupted； full automatic recharge，can connected with battery to
prolong the emergency service time。

Main Technical Parameter

Overall Size & Weight(For reference only)

Q: I recently bought an old 2002 Hyundai Elantra, and it runs ok, except it won't start nearly every morning. My mechanic told me the battery's most likely going. The only reason I'm thinking it's something else is because every morning when I go to start the car, there's a loud, intermittent noise coming from the fuse box; it's like a loud grinding/electrical noise that only lasts about a second at a time, but continually comes back almost on perfect rhythm (think of your directional, same sort of rhythm). Sometimes the lights will flash on and off with the noise too. Could this be something other than a bad battery? Or is it possible that these symptoms suggest a more electrical problem? Any help is greatly appreciated!: From your description, I understand that indeed there is an electrical problem. I would start with what is called wiggle test. While engine is running, try gently to wiggle the fuse box back and forward. Should you find any abnormalities in engine running or engine stalls or anything that shouldn't be doing out of the ordinary, you can say that the fuse box is your problem. If all good, secondly I would remove the fuse box and do a pin test on all fuse box connectors from under the box (wiring harness that plugs into fuse box). This will tell you if any male connector is loose. Should you have any loose connectors, just close them up a tiny bid so that they wont move. Before you put the box back, apply some electrical stabilant to ensure proper conductivity on all electrical components. This procedure could be time consuming but is well worth it to try. Finally, before you do all these actions please, have someone doing an AVR test to ensure your battery is good and entire charging/starting system is normal. Hope this will help you.

Q: I was preparing to drive my car at night.as i turn on the lights smoke puff out just beneath the dashboard near the instrument panel.all the lights are ok except my panel which is pitch black.I cant see the speedometer,tachometer etc.Smell of burned plastic fills the cabin atmosphere.The car engines has no problem.: one of the wires short circuited, that is on the parking light circuit. without anything using the power the wire overheated and burnt the plastic coating. Shouldn't be very much to fix since you know what caused it and where it had the smoke.

Q: I have a 1996 Toyota Camry LE 4 cylinder, just yesterday for some reason the clock and the radio both wont' turn on anymore. The battery is working fine, I can turn on the car, turn on the light and all other stuff, just those two components (and the cigarette lighter adapter) that stopped turning on. Can anyone think of any reason why it's doing that? Is it the fuse that might be burned out? Thanks: sounds like a fuse

Q: I have a circuit keep blowing fuse(0.4A) with slightly lower rating of my transformer (0.5A) without any load, so i think is the issue of in-rush current. ***Note : my transformer is toroidal, saw a lot of website saying they inhibit higher inrush voltage (80times. scary)***Will the in-rush current will do any harm or any changes to other things(component) ?If so, what type or rating of fuse should i get ? (best if easily get, market available)ORis there any way to de-energize the transformer when it is turned off/before switch on, or any circuit to use for protect over-current/voltage during inrush ONLY ***Note that i want to make my circuit fuse safe from short circuit and blow the fuse if it is really short circuit***: What is the rating of the transformer, Input voltage, output voltage and output current? By 0.5 amps do you mean the input current of the transformer, because this would be the loaded current of the transformer.The transformer should not be blowing a fuse unloaded, transformers have a magnetizing current not an inrush current The magnetizing current is due to the inductance of the primary winding. Transformers act as coupled inductors and since the secondary is open the only load on the input fuse should be the small magnetizing current. I am guessing you might have a shorted winding.

Q: I made a harness for some fog lights and when i touch it straight to the battery.it sparksis this becuase it needs to go through the relay and fuse to work properly? with no sparks?: Any add-on components need to be fused. Anything that requires amperage needs to go through a relay. Use the headlights or a switch to control the power to the relay. The relay then carries the current from the battery though a fuse to the fog lights. Any other way can lead to big trouble.

Q: I have a 2000 Ranger I turned it off and it would not start again I have power to head and dome lights, replaced the 50 blade fuse position number 5 in the power management box and it worked for 1 to 2 sec then burnt out again. is it the starter relay, the ignition switch, the starter or something else. anyone have this problem? how did you fix it? any help would be greatly appreciated: a three or a 5 amp fuse would be positive, as long as your heater works once you slot the plug there is not any would desire to purchase a clean one. If the heater is going defective it particularly is going to easily blow the fuse, yet there is not any reason it is going to.

Q: Hey everyone.I have a modest stereo set-up in my car and I am suddenly having problems with a fuse blowing. I have an Alpine head unit, Kenwood amp, and a single 10 Alpine sub. I have had this set up in this car for about a year and a half, and had the same set up in another car for three years before that and never had any problems. Now for the past week, the fuse in the wire running from my battery to my amp keeps blowing. When I replace it, it is good for about 30 seconds, and then it blows. Any advice on where to start troubleshooting?: most likley when the bass hits its hardest or deepest its to much for your amp so it blows your fuse try turning your bass booster down or the bass alltogether.

Q: Convergence is at its proper crossed white lines.Convergence resistors and pico fuses maybe?Any help would be appreciated.Thanks: If it had bad fuses the cross would be misaligned. If you move the red and blue up and down and the whole picture moves (the red and blue part) then I suspect a vertical deflection problem. This could be the output ic, the jungle ic, or associated component and connections. The only way to find out is with an 0-scope in a shop.

Q: Helo i have a 1992 ford escort and recently got a new battery because my car wasnt starting up.I had the alternator tested after i had it jumped and the alt tested fine. But when i got my new battery i parked my car for a few days later got in and it didn't turn on. wen i tied to turn it on the bell for the open door caution rang and i felt the click on my ignition switch but no reving.what could be is it a fuse?If so can it be possible to jump a car wit a bad switch?: Try putting the keys in the ignition.

Q: I was restarting my computer, and it started buzzing.It was coming from the mobo speaker, and now it won't turn on.On the front of it, the 3 and 4 lights are lit up.Can anyone help me?: It sounds like your speaker fuse blew. Check to see if the fuse is still intact, if it is, then you may have fried a component inside the speaker. Time for a new one in that case. If the fuse blew, you can easily get a new fuse. I had the same problem with an older set of speakers. They were really good ones with a subwoofer and all. I heard the buzz for a few days, then, Pfffft! it went out all at once. Fried components inside the speaker and had to replace the whole speaker unit.

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