Tape isolate single-phase PFC that DC/ DC vary make up, make up two cable, PFC of three-phase, that single-phase PFC make up in parallel directly in Ausgang by three single-phase PFC in parallel respectively by three The road is formed by matrix type DC/ DC converter Power factor correction Power Factor CorrecTIon, is abbreviated as PFC Technology,
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especially active power factor correction Active Power FactorCorrection, is abbreviated as APFC Technology can valid the intersection of inhibition and harmonic wave, single-phase APFC riper in technical research, has had many commercialized specialized control chips already, such as UC3854, IRll 50, LTl508, ML4819. Compared with single-phase power factor correction fairing attachment, three phases PFC fairing attachment have a lot of advantages: 1The input power is high, the rated value of power is reachable several kilowatts the above; 2The single-phase PFC fairing attachment input power is that one is twice as much as quantity that mains frequency changes, but in the three-phase balancing device, the partial summation is zero that the three-phase input power pulses, the input power is a steady state value, the pulsation cycle of three phases PFC fairing attachment output power is only single-phase full wave rect. 1/3, the ripple factor is low, so can use the minor output capacitance of the capacity, thus can realize the dynamical response of more quick output voltage. Become the focal point that numerous scholars are studying, but actually existing and certain difficulty in three-phase APFC technology, and not seen the mature specialized control chip yet. If can exactly formate single-phase APFC circuit simply a piece of three phases APFC circuit, can fully utilize the mature single-phase control chip, produce three...
This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of....
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is....
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to....
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This....
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the....
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,....
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the....
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power....
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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