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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Plasma TV and Inverter
Hi everybody. I'm living for the moment in a country were black out
are very common and happen daily. The solution here is an Inverter DC- AC with big batteries (like a UPC). I would like to know if it is safe to try to power my 42 inches plasma TV with a modified sine wave inverter (1000W power). It is the only one I found here.. Thank you in advance for your help. |
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You will need something like the ONEAC 3KVA unit that has close to a
very pure sine wave. At anything over 1/2 rated UPS power, the sine wave becomes almost a square wave on anything except the very best UPS units. Most of the higher current draw SMPS supplies use the sine wave to double the voltage through a capacitor, diode, and coil doubler circuit. If you apply something too far off from a sinewave and you could be asking for trouble. You will want to check the amount of distortion and variance from a true sine wave at the load you are going to pull and check with the plasma tv manufacture to make sure it is well within specification. |
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