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## Transformer Design Formula |

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transformer formula , transformer design software , inverter transformer design , switching transformer design

transformer formula , transformer design software , inverter transformer design , switching transformer design

18 Threads found on edaboard.com: **Transformer Design Formula**

I am going to build SPWM inverter using EGS002 module. In the data sheet of this module SPWM output filter inductor value is given 3.3mH. I want to build this inductor but I am facing following problem.
In the book ?**transformer** and Inductor **design** ? by Colonel VM. T. McLyman there are two chapters named DC inductor **design** using powder cores (...)

Power Electronics :: 02-06-2017 18:07 :: sjdurgule :: Replies: **0** :: Views: **2**

Hi guys,
i have **design**ed a **transformer** for flyback converter.
I am listing all specs please check it is okey or not.
thanks in advance.
Power supply input: 100V-150V
Output 1 : 20V/1A
Output 2 : 18V/0.1A
Output 3 : 12/1A
Total Output power : 35.58Watts
Efficiency : 90%
Max duty Cycle : 30%
Output diode voltage drop : 0.85V
switching fre

Power Electronics :: 01-12-2017 09:57 :: francis29 :: Replies: **20** :: Views: **1722**

Good advice from schmitt trigger, also you **transformer** calculations have a problem. A half bridge **transformer** only see's 1/2 of the DC input voltage so your 325 vdc in the **formula** should be is 1/2 of that. Also the constant in the **formula** should be 4 not 8.
Npri = (162 * 10^8) / 4 * 50000 * 1500 * 1.75) = 30.9 turns
By (...)

Microcontrollers :: 12-21-2016 17:33 :: FlapJack :: Replies: **8** :: Views: **857**

I have **transformer** which is used for a sin-wave invert-er whose data are follows
**Primary Winding details : 250 Volt ,375 turns with 19 SWG copper .
Secondary Details : 7.5 Volt , 11 turns with two 10 SWG (two 10 SWG
parallel winded )**
Core Details : 7/2.5 inch or 43/2.5
Bobbin : Windo

Power Electronics :: 10-04-2016 18:00 :: thannara123 :: Replies: **7** :: Views: **641**

Hello all
I would like to **design** my own toroidal 48V - 25A **transformer**. I need to have a **design** **formula** and calculation. Can any body help me and direct me to do....
Thanks

Other Design :: 04-17-2015 06:18 :: harii07 :: Replies: **0** :: Views: **2415**

The article about ps **design** is based rather on empirical observations then exact theory. Why constant 200 is used it is best to ask author.
Ripple voltage on smoothing capacitor depends on rectifier topology, **transformer** properties, condenser capacitance, load current...
Vo **formula** describes that capacitor reactance is considered as (...)

Analog Circuit Design :: 09-08-2014 09:41 :: Borber :: Replies: **23** :: Views: **1785**

There is no single **formula**. The turns number will change based on topology. Eg. the **transformer** **design** for a flyback converter will be dictated by the primary inductance. This along with other factors such as air gap will determine the number of turns.
The turns ratio and turn numbers will vary for forward, push pull, half bridge, full (...)

Professional Hardware and Electronics Design :: 02-26-2012 15:20 :: Tahmid :: Replies: **8** :: Views: **3502**

thanx before KB6NU, for the reply,
i'm using a ferrite core for the balun but i don't know about mu, can u give some valid reference for what kind of ferrite for mu, that suitable for VHF frequency and i need **formula** for the winding ratio of balun, can u give some valid reference for that too because i got a lot of reference b

RF, Microwave, Antennas and Optics :: 10-05-2011 03:31 :: enjunear :: Replies: **7** :: Views: **1580**

Hello all
I need to know the toroidal **transformer** **design** calculation.
How to find core area?
How to find turn per volts? and etc.
Please give me a direction in this.

Power Electronics :: 02-02-2011 14:00 :: harii74 :: Replies: **13** :: Views: **14885**

i want to **design** ferrite core **transformer**.
Anyboddy can help me in **design** pls tell me wats the **formula** here to find area, primary winding and secondary winding.. voltage and current....

Power Electronics :: 05-19-2010 10:01 :: Zeshee :: Replies: **1** :: Views: **2108**

The said expression is an empirical **formula**, that is fitted to measurements rather than calculated. There are various similar
**formula**s in use. As ferrite manufacturer application notes clarify, the parameters depend both on material and core shape.
I would generally suggest to use the manufacturer provided **design** tools for (...)

Analog Circuit Design :: 01-02-2010 10:18 :: FvM :: Replies: **5** :: Views: **3710**

How do i caclculate the area needed for a ferrite **transformer** , knowing the power needed ? Is there a **formula** ?
the **design** of a ferrite **transformer** is a trade-off, there isn't a direct relation between core cross section area and output power. A good starting point could be the application notes that you can find at this l

Elementary Electronic Questions :: 05-31-2006 18:23 :: stefano.delfiore :: Replies: **7** :: Views: **14446**

Any body can provide the total calculation on **transformer** **design** with PWM in push pull topology used in inverter circuit.
Example- input 12vdc output--220vac VA rating--500va freq. 50hz
How the **transformer** size reduces in inverter & UPS with E-I iron core.
When i calculate with conventional **formula** of (...)

Elementary Electronic Questions :: 04-14-2008 16:33 :: 1230 :: Replies: **0** :: Views: **2560**

You should find out the primary inductance of the **transformer**. The **formula** relating inductance and power applies.
P = 0.5 * L * I^2 * f
P = power
L = inductance
I = current
f = switching frequency

Analog Circuit Design :: 03-04-2008 07:57 :: yeechyan :: Replies: **5** :: Views: **3664**

Good question!
I think Picstudent is talking about flyback **transformer**.
Hope someone here can explain the most reasonalbe **design** for flyback **transformer**.
The question can be more exact if we take 5V/1A output **design** as an example.
Added after 2 minutes:
Here is some starting point as I know:
1. The

Analog Circuit Design :: 07-27-2007 07:07 :: hardings :: Replies: **3** :: Views: **21627**

You do not specify what kind of **transformer** you want to **design**. There are several type of **transformer**s and the **design** procedure can be very different.

Elementary Electronic Questions :: 06-23-2007 13:23 :: cesare :: Replies: **5** :: Views: **2489**

hello,
I have a question regarding this article 'A General **design** **formula** of multi-section Power Divider Based on Singly Terminated Filter **design** Theory' on wilkinson power divider **design**.
Let's take a 4-section power divider just for verifying the **formula**s.First, I got the impedance of optimum (...)

RF, Microwave, Antennas and Optics :: 03-01-2007 23:12 :: alard :: Replies: **4** :: Views: **3786**

I'm interested in
1. How to calculate Coil Turns.
2. How to Select SWG ( Wire Guage )
3. Ferrite / CRGO ( E-I ) Core selection.
Finally how to **design** **transformer** and Inductors.
Thx
Ranjan Nandi
Added after 1 hours 49 minutes:
For transferomer I found a

Electromagnetic Design and Simulation :: 04-01-2006 16:54 :: nandi_ranjan :: Replies: **6** :: Views: **3502**

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simulation core | microwave engineering ebook | interfacing printer | cpw antenna port | primary feedback | usb tiny | redundancy | verilog code fft | thold | rfic books