This concludes the construction and the testing of the inverter circuit.The 60 watt bulb should immediately light up brightly, indicating that the inverter is functioning properly.Next, connect a fully charged 12 V automobile battery to its supply terminals.For testing purpose connect a 60 watt incandescent bulb to the output socket of the inverter.The testing of this mini inverter is done in the following method:.VENTILATED METAL CABINET= AS PER THE SIZE OF THE WHOLE ASSEMBLY.ALUMINUM HEATSINK= CUT AS PER THE REQUIRED SIZE.TRANSFORMER= 9- 0- 9 VOLTS / 8 AMPS or 5 amps.T1, T2 = 2N3055 POWER TRANSISTORS (MOTOROLA).You will require just the following few components for the construction: The reason was simple, the previous transformer was a robust custom built 9-0-9V 5 amp transformer, compared to the new one in which I had used probably a falsely rated 5 amp, which was actually only 3 amp with its output. Although I was more experienced during the recent venture I could not get the awesome power that I had acquired from my previous unit. I can tell this from my experience, I built this unit twice, once when I was in college, and the second time recently in the year 2015. Here the key element is the transformer, make sure the transformer is genuinely rated at 5 amp, otherwise you may find the output power a lot lesser than the expectation. When switched ON the result would be an instant illumination of the load with an astonishing brightness. Complete Wiring LayoutĪfter the above wiring is completed, it's time to hook it up with a 12V 7Ah battery, with a 60 watt lamp attached at the transformer secondary. Once the above heatsink installation is over, you simply need to interconnect a few high watt resistors and the 2N3055 (on heatsink) with the selected transformer as given in the following diagram. externally to the cabinet and connect them appropriately to the circuit assembly.
Drill appropriate sized holes on to the bends so that it can be clamped firmly to the metal cabinet. Bend one end of the sheet as shown in the diagram.Cut two sheets of aluminum of 6/4 inches each.It can be fabricated in the following manner:
To begin with, first make sure to have proper heatsinks for the two 2N3055 transistors. The circuit of an inverter described here is perhaps the smallest as far its component count goes yet is powerful enough to fulfill most of your requirements. Well your search for such a circuit ends here.
#Inverter transistor diagram how to#
Thus we are left with no choice but just to wonder how to build power inverters that can be not only easy to build but also low cost and highly efficient in its working. But these circuits are often very complicated and hi-end type of inverters. There may be a huge number of inverter circuits available over the internet and electronic magazines. Read to know regrading the construction procedure of a basic inverter which can provide reasonably good power output and yet is very affordable and sleek. The article deals with the construction details of a mini inverter. 1) Simple Inverter Circuit using Cross Coupled Transistors Let's begin with the most simplest in the list which utilizes a couple of 2N3055 transistors and some resistors. A 12 V lead acid battery is the most standard form of battery which is used for operating such inverters. An inverter which uses minimum number of components for converting a 12 V DC to 230 V AC is called a simple inverter.
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