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Q&A

Posts tagged inductor

Synonyms: inductors

Subtag of component · 2 child tags

Anything related to inductors.

Inductors are passive electrical components that exploit the properties of magnetic fields created by electrical currents circulating in conductors.

The most common type is a 2-terminal device. However a system of coupled inductors, like a transformer, can be packaged as a single component and can have many more terminals, depending on how many windings are present.

A common example of inductor is a coil of wire with its turn insulated from each other.

This tag doesn't have a detailed wiki yet.

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Q&A High voltage transformer design

Suppose I have a planar PCB transformer. The primary and secondary coils are printed on different PCBs. The core is inserted through these PCBs to link the two coils. The primary is at a low voltag...

2 answers  ·  posted 2mo ago by jonathan_the_seagull‭  ·  last activity 2mo ago by Andy aka‭

Question transformer IPC
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+3 −0
Q&A Transformer design for a Series Resonant Converter

I am determining the Area-Product of the core required for a transformer to be used within a series resonant converter. The specifications are as follows: Switching frequency = 400 kHz Primary ...

1 answer  ·  posted 3mo ago by jonathan_the_seagull‭  ·  last activity 3mo ago by Andy aka‭

Question transformer
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Q&A Can I make an AC inductor (reactor) rated 75mH 40A from a 3-phase induction motor?

For my test bench I need an inductor (aka "reactor") that meets the requirements below. I have tried to purchase it outright as a made-up item, or the parts to make it (core and windings), but have...

2 answers  ·  posted 5mo ago by Fabio Barone‭  ·  last activity 3mo ago by TonyStewart‭

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Q&A Capacitance gain using conductive core for inductors [closed]

I have learnt that if we have 2 parallel conductive plates and we seperate them the capacitance is increased if we put a good conductor between the plates. Now the resonant frequency of a inductor...

0 answers  ·  posted 2y ago by MissMulan‭  ·  edited 7mo ago by Lorenzo Donati‭

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Q&A How to calculate the voltage of a coil?

Hi guys, I need to calculate the voltage that will center the magnetic field of a coil. The coil gonna be used in an induction heater thank you. Edit: I edited the paragraph because it was misu...

3 answers  ·  posted 1y ago by deleted user  ·  edited 7mo ago by Lorenzo Donati‭

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Q&A Flyback transformer for Vout > Vin

This question is asked in an addition to https://electrical.codidact.com/posts/276436 Here is a Flyback converter mentioned there: Design parameters are: Input voltage 125 volts Output volt...

2 answers  ·  posted 2y ago by 2kind‭  ·  edited 7mo ago by Lorenzo Donati‭

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Q&A Critically damped oscillation issue

I have a question about this circuit:(critically damped oscillation) For a critically damped oscillation for a series RLC circuit the equation of current has this form I(t)=D1te^(-at)+D2e^(-at) ...

2 answers  ·  posted 2y ago by MissMulan‭  ·  edited 7mo ago by Lorenzo Donati‭

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Q&A Series RLC circuit

How to find the equation of current of the RLC circuit after the switch is moved?

1 answer  ·  posted 2y ago by MissMulan‭  ·  edited 7mo ago by Lorenzo Donati‭

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Q&A Parallel RLC circuit

How to find the equation of voltage of the top common node of R1,L1 and C1 after the switch is moved?

1 answer  ·  posted 2y ago by MissMulan‭  ·  edited 7mo ago by Lorenzo Donati‭

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Q&A Chokes, Beads and Inductors in Pi-filters

I have seen pi-filters using chokes, ferrite-beads, and plain inductors as the L-element What are the main differences between them? when use one or other?

1 answer  ·  posted 3y ago by zeke‭  ·  edited 7mo ago by Lorenzo Donati‭

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Q&A Technique to reset pulse transformer core quickly

I am analysing a pulse transformer which is required to transfer below communication protocol pulse from primary to the secondary side. The pulse duration is 32 μs and off time available to reset t...

2 answers  ·  posted 1y ago by kadamrohan16‭  ·  edited 7mo ago by Lorenzo Donati‭

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Q&A DC-DC converter using Hartley oscillator and transformer [closed]

Instead of using a buck or a boost converter can we use for DC-DC conversion the circuit Im going to describe in the next lines? First we begin with a Hartley oscillator whose output is fed into ...

0 answers  ·  posted 1y ago by MissMulan‭  ·  edited 7mo ago by Lorenzo Donati‭

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Q&A High power LC circuit with programmable resonant frequency

I intend to build a high-power series LC resonant circuit for the purpose of generating strong magnetic fields at a wide range of frequencies, mostly audio range (1-5000 Hz). The inductor coil is a...

1 answer  ·  posted 9mo ago by dcsuka‭  ·  edited 9mo ago by dcsuka‭

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Q&A What are these transformer graphs about?

This picture describes the behaviour of a single phase transform under resistive,inductive and capacitive loads(from left to right) How what exactly is $V_{1}$ ?Is it the voltage at the primary ...

1 answer  ·  posted 10mo ago by Volpina‭  ·  last activity 10mo ago by TonyStewart‭

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Q&A how to figure out the max power of a transformer?

I have a MOT that is rated 220V-50Hz only and i need to know its maximum operating power i tried to google the reference number but unable to find anything about its power, so how to figure out the...

2 answers  ·  posted 1y ago by deleted user  ·  last activity 1y ago by Jasen‭

Question transformer power
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Q&A Inductance vs frequency

Suppose we have a sine signal applied to a inductive load. Is the inductance of the load changed if the frequency of the signal is changed?

3 answers  ·  posted 2y ago by MissMulan‭  ·  last activity 2y ago by coquelicot‭

Question frequency inductor
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Q&A 208VAC triple-phase to single-phase conversion

The question: Is there a way to convert from triple-phase 208VAC to single-phase 208VAC? Background: Hi everyone, I am stuck on a project I'm working on. I'd like to convert 208VAC (three phase,...

2 answers  ·  posted 2y ago by cosined‭  ·  last activity 2y ago by Andy aka‭

Question transformer
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Q&A Capacitance of inductor

What is a typical value for capacitance of a real inductor? Does this internal capacitance exist only under AC and not DC?

1 answer  ·  posted 2y ago by MissMulan‭  ·  last activity 2y ago by Olin Lathrop‭

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Q&A Coupling of inductors

Which will be the total series inductance?

2 answers  ·  posted 2y ago by MissMulan‭  ·  last activity 2y ago by Andy aka‭

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Q&A Current and voltage of inductor

How do I find the current through the inductor and the voltage of the inductor after the switch is closed?

2 answers  ·  posted 2y ago by MissMulan‭  ·  last activity 2y ago by MissMulan‭

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Q&A How could you model a 10M/100M Ethernet PHY architecture?

Application notes for microcontrollers or other ICs that have an internal 10M/100M ethernet PHY module differ in their requirements for the external interface components. It seems that the PHY des...

1 answer  ·  posted 3y ago by DavidE‭  ·  last activity 3y ago by Olin Lathrop‭

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Q&A Transformer - Vsec or Current rating parameter

I am looking at the datasheet of the 7508170315(link) transformer and something seems strange to me. If I connect this to a 12V supply and expose it to 10us pulse: 12V*10us/475uH = 252mA which ...

2 answers  ·  posted 3y ago by 2kind‭  ·  last activity 3y ago by Olin Lathrop‭

Question transformer
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Q&A How could a damaged wire in split-phase power delivery create these voltages?

Recently, my home suffered a partial power outage, and due to curiosity and a desire to learn more about residential AC power, I'm trying to understand how the event that took place resulted in the...

3 answers  ·  posted 3y ago by Joel Lathrop‭  ·  edited 3y ago by Olin Lathrop‭