To power up, you need to make several alterations. Our circuit does not have such a drawback, the circuit starts up without load and can work with low-power loads (LEDs, etc.). We know that many UPSs of this type do not turn on without load, this is the disadvantage of Tashibra electronic transformers with a power of 105 watts. If desired, a powerful laboratory power supply unit can be assembled on the basis of such a UPS. The power supply is rated up to 300 watts, therefore it can be used for woofers such as Holton, Lanzar, Marshall Leach, etc. The winding is wound with 10 wires of 0.5mm wire. The secondary winding of a pulse transformer, in my case, contains only one turn. We will turn a Chinese EC with a power of 150 watts into a powerful UPS that can be used for almost any purpose. Today I decided to present the whole process of increasing the power of electronic transformers for halogen lamps. Such power supplies have no output short circuit protection, but this defect can be corrected. The electronic transformer is a mains switching power supply with very good performance. The view is certainly not very good, but I was convinced that you can assemble this switching power supply yourself.
In the open state, the pulse current is A 2.Average maximum allowable value when open: A 0.3.(I open - 0.2 A), V 5 is the voltage when open.Winding the choke on a ferrite ring with a diameter of 8 mm of the coil: 4 turns of the green wire, 4 turns of the yellow wire and an incomplete 1 (0.5) turn of the red wire. The winding of the transformer must be wound in one direction. The standard secondary winding contains a 4-core wire with a diameter of 0.5 mm, length 33 cm and 8-12 turns. The primary winding contains a 1-core wire with a diameter of 0.5 mm, a length of 2.85 m and 68 turns. Manufacturing a transformer on a W-shaped ferrite core from computer unit nutrition. Film capacitor 47nF 250V 2 pcs (C2, C3).First I found out where he bought it and bought it for later copying.
there was a desire to make the same block for myself. The repair was a quick replacement of the dinistor. One day my friend brought a pulse electronic transformer for repair to power the halogen lamps used to power it. Review of the popular Chinese electronic transformer TASCHIBRA.
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