Questions tagged [bridge-rectifier]

an arrangement of four or more diodes in a bridge circuit configuration which provides the same output polarity for either input polarity. It is used for converting an alternating current (AC) input into a direct current (DC) output.

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Can bridge rectifier diodes fail in a way that allows AC through? [closed]

KBPC5010 bridge rectifier: A new gate opener which worked for two weeks suddenly stopped working. I notice that the DC motors buzzed like DC motors without a direction impulse (usually a start ...
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AC to DC rectifier and smoothing

I'm trying to understand how you get a DC signal from an AC signal being rectified. It produces a ripple waveform and the signal gets "smoothed" out using a smoothing capacitor. Is the ...
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Simulation of an AC-DC circuit

What causes the total harmonic distortions to increase while you increase the filter inductance of an AC-DC circuit with a resistive load and an output capacitor.
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SMPS Replacement Parts: UF5408 instead of 1N5408 in the bridge rect.. / Also UF5408 instead of TO220 25ns 5R06X fast diode in bridge followup

What makes a diode so special? We know (?) that rectifier diodes are heavily optimized for low forward drop. Uf5408 on the other hand, have considerably more forward drop while it provides fast trr. ...
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Choosing capacitor for the filter of a three phase full wave rectifier

I am designing a power management unit (PMU), which takes the power from an alternator (alternator output: three phases, 30-85VAC, 35-130Hz, Max current: 20A). I want to reduce the ripple using ...
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Capacitor amplifying voltage in bridge rectifier

I made a bridge rectifier using 4 1N4007 diodes, a capacitor filter with capacitance of 470 micro farad (25V), and a resistance of 1k ohm as a bleeder resistor and a step down transformer with ...
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Full bridge rectifier and resonance for wireless power transfer in the receiver circuit

I was wondering which is the most suitable method to set up the receiver circuit for wireless power transfer circuit. Currently I have a circuit with the tesonance tank, i.e., the receiver coil and ...
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Full-wave bridge rectifier output not correct

I am testing a full-wave bridge rectifier built from four diodes. The input is taken from a function generator. The simulated circuit is working (image added). The problem is that the output I got ...
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SS34 in-line Schottky alternative

Is there an inline alternative to this part I can replace it with? With my limited electronics knowledge and the ability to google I know this is a surface mount diode rectifier but that’s about as ...
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How to determine the output frequency of a full-wave rectifier using an oscilloscope?

Input frequency: 60 Hz. Theoretically, I should get a 120 Hz output frequency.
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Confusion about DC output voltage in this circuit

I am building a transformerless power supply to power 60 RGB color changing 2 pin LEDs in series from 230 VAC mains. These LEDs need DC to function properly. In the circuit below, I understand that ...
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How to short half of the secondary winding to the bridge rectifier? [closed]

How do I modify this circuit into a half-shorted one?
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Three-phase mains AC/DC conversion to 12 V

I am trying to power an Arduino for a DIY power quality/meter project. It has to work in scenarios without neutral (three-phase delta) so it can still work in case of neutral loss or for applications ...
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Are there active rectifiers that consume whole sine wave?

Basic rectifiers use mostly the top of the sine amplitude (when the sine gets above the capacitor's voltage), which results in the sine amplitude tops being cut. Are there rectifiers that consume ...
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How to calculate the heatsink requirement for a diode?

I think it's better explained with an example. diode in question => https://www.mouser.com/ProductDetail/STMicroelectronics/FERD30H100STS?qs=CXI0wBT1M2j9IrCh1JTRwA%3D%3D forward voltage = 0.68V ...
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Why is this ideal diode bridge rectifier simulation in LTSpice not working as expected?

I'm trying to simulate a full wave bridge rectifier circuit with the capacitor filter. The alternating voltage supply is 30 V at 50 Hz. The peak value for the voltage across the load is 28.5 V. ...
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Trying to filter out leaking AC from an alternator with a bad diode [closed]

So my alternator is leaking excess AC due to a bad diode. It in turn, fried part of my PCM/ECM. Which in turn, prevented my alternator from charging the batteries in my truck and it rendered all my ...
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240V (North America) bridge rectifier with parallel filter capacitors is blowing fuses above the bridge

I gained much needed help from this forum in successfully installing a full bridge rectifier on my glass kiln. Everything has worked very well but I would like to try and filter the ripple voltage ...
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191 views

Is it possible to replace the electrolytic capacitor in a full wave rectifier bridge with a ceramic capacitor?

Why do we use electrolytic capacitors in full wave rectifier bridges? Is it because we can have huge capacitance with electrolytic type or is it because the output is DC voltage where polarity is a ...
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Why does a full-wave bridge rectifier have noisy output with no load?

Purely academic question: I have a little bridge rectifier made out of four 1N4001 diodes, being fed by a transformer putting out 12VAC. When I run it without anything else attached to it, the ...
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How to get stable current from three-phase alternating? [closed]

I have this generator. How can I convert a three-phase AC voltage into a DC voltage? I know that I can use a diode bridge to rectify the voltage, but how can I use it with a three-phase generator?
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What are the assumptions involved in below rectifier output waveform?

The below waveform shows peak current occurs at the instant when diode starts conduction. Why is the peak current not happening at the max input voltage point? Usually the rectifier output caps are ...
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Bridge Rectifier Problem or something else?

I am designing a 30V 5A power supply and after simulations working fine I decided to make it on actual hardware. But during the first run, something shorted and the power supply didn't even turn on. ...
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Full wave active rectification for lower voltages?

I have been following these youtube tutorials on active rectification to learn more about the topic. https://www.youtube.com/watch?v=VR456CsHYx4 https://www.youtube.com/watch?v=arvNukW-jeo I simulated ...
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How to teach about bridge rectifiers with an oscilloscope and a function generator? [duplicate]

I'm trying, for teaching purpose, to study the behaviour of a bridge rectifier. When I've simulated it with Multisim, all has work as expected: I built a real circuit with a function generator and an ...
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Exercise with full wave bridge rectifier

I study an example of youtube video https://www.youtube.com/watch?v=Kl8IOESVWlM an i want to make transfer function vo = f(vi) when i use the piecewise linear diode model. I worked with the following ...
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2 votes
1 answer
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Why aren't smoothing capacitors used in smoothing the output of fully controlled bridge rectifiers?

I was wondering why smoothing capacitors are not used in smoothing the output of fully controlled bridge rectifiers, like it is used in the uncontrolled bridge rectifiers.
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Is full wave rectified AC, without a smoothing capacitor, okay for switching a DC solenoid and a DC relay?

I have a circuit where the 24V AC secondary voltage of a transformer is full wave rectified to DC. The only parts that this circuit is connected are some 24VDC solenoids and a 24VDC relay. The ...
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Rectify 250A using multiple bridge rectifier

Need to rectify 3 phase 120V AC 250A using 3 Phase 200A bridge rectifier. Details: Input Voltage: 120V AC 3 Phase Input Current: 250A Problem: Only 3 Phase 200A bridge rectifier is available. Is this ...
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492 views

Which is better, the MB10S or the MB10F?

I am replacing a blown MB10 rectifier IC on a small LED power supply. The letter could not be read anymore so I don't know which one to get. The S or the F variant. In the datasheet the electrical ...
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Which replacement standard recovery diodes do I use for a high voltage full bridge rectifier in a valve guitar amplifier?

The original diodes were four IN4007 (1A 1000V PRRV.) If I replace them with IN5408RGL (STANDARD DIODE, 3A, 1KV PRRV,) basically upping the current to 3A, will this have any detrimental effect on the ...
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Not able to figure out the logic behind sense circuitry of a AC/DC converter

In the below circuit, why would there be 2 extra diodes (D3 and D4) to sense AC input voltage? If D3 and D4 act as rectifier, wouldn't it be sufficient to directly sense at the output of bridge ...
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Detect stepper motor rotation - connect bridge rectifier to motor driving wires

As a follow up to my previous question. I want to develop a small circuit, which can detect, if a stepper motor is driven. After checking all options/provided as answers, I decided, that probably the ...
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How to mathematically choose values for a pi filter without knowing the cutoff frequency?

I am trying to design an AC to DC converter. After the rectifier, I have a pi filter. I need to calculate my L and C values, but I don't know what the cutoff frequency is/how to find it! Any help is ...
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5 answers
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What happens if you feed DC into a bridge rectifier?

If I feed DC into a bridge rectifier, it still outputs DC right? Also, it seems like it should provide make the inputs DC polarity agnostic, right? I'm asking because a friend has a programable timer/...
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Transformer is not essential in half wave rectifier

My textbook for basic electronics states that Transformer is not essential in half wave rectifier (advantage of half wave rectifier)... But why? And there's another statement saying that half wave ...
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How is the peak inverse voltage of diodes in a center tapped rectifier twice than the bridge?

I am not able to understand how the PIV becomes twice in case of centre-tapped rectifier. PIV is the maximum inverse voltage that a diode can handle before having a breakdown. For a half wave ...
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Double Bridge-Rectifier Circuit Question

I am up to building a NE555 controlled PWM circuit that will power a 220v heater. NE555 will use a typical configuration and will drive a 20N60 Mosfet. The mosfet Vgs(th) is 10v, so NE555 needs to be ...
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5 answers
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Can a diode bridge be connected to a high input voltage?

I'm trying to rectify an AC current at 220V. Many written tutorials don't mention any transformer before the diode bridge and many video tutorials use transformers that provide an output of 6V or more....
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How to rectify and smooth a high frequency sinewave

I'm working on an experiment that generates a high frequency sinewave using an air core transformer. How can I rectify and smoothen this high frequency sinewave because most of the high current ...
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Can lithium battery be charged with rectified AC?

If AC is rectified to make it to only positive AC, can it charge batteries without damaging them? If no, then how regenerative braking works in electric vehicles? Does every motor controller have big ...
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Why does placing multiple bridge rectifiers in parallel reduce the voltage drop?

I noticed when you start running these KBP310 bridge rectifiers in parallel the Vf goes down. From 0.998 V for 1 to 0.900 V for X4 bridge rectifiers together. Why would that be? Also, I was thinking ...
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Graetz diode bridge with series LC circuit oscillation problem

I am trying to understand a problem I have encountered. I simulated the voltages on a Graetz diode bridge with a step voltage input of 24 volts. The schematic and the voltage signals are given below. ...
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3 answers
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X2 polypropylene capacitor for DC smoothing after AC rectification

Can a X2 polypropylene film capacitor be used for dc smoothing at the output of a bridge rectifier? I want to use this capacitor at the input of a power factor correction circuit with a switching ...
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Bridge rectifier & minimum diode voltage

The varying input voltage to a bridge rectifier spends a certain amount of time between +0.7V and 0V, as well as between -0.7V and 0V, during which there is not enough voltage across any diode to ...
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Matching rectifier with inverter

I'm trying to make a DIY wind turbine generator from a 3ph squirrel-cage induction motor but I'm having trouble matching the generator with the rectifier with the inverter. I'm not sure which ...
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2 answers
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How much current can be drawn from 1N4007 based bridge rectifier

I am not an electronics expert. Hence little confused with the current rating of 1N4007 diode. I know it's rated for 1 Amp and 1000 V. But I want to use 4 of them in a bridge rectifier circuit which ...
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Flashing LED String/Christmas lights to steady on [closed]

I want to bypass the 8 function EK-04 controller( pictured below) and keep lights stay on. There is a post similar to this but it has the old design. Bypassing a multi function Christmas light string ...
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1 answer
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Circuit to convert a pulse signal to square wave

How can I convert a pulse signal into a square wave. I have a pulse signal created using a Function Signal Generator, ZK-PP2K Pulse Frequency Generator 8A Driver Module LCD Pulse Frequency Cycle ...
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LTspice diode bridge rectifier input oscillating

I've made a LTspice model of a diode bridge rectifier, but when I simulate my circuit, the input voltage is oscillating. Here is my schematic, along with the simulation result of the voltage at node 3 ...

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