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14 Threads found on edaboard.com: Transformer Design Formula
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
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 (...)
Hi, I need primary and secondary winding formulas for the following transformers, (1) ETD 29,34,44,49. (2)EE small/big. (3)RM 10,12_small big. (4)EC40. (5)PQ3535.
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
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.
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....
The said expression is an empirical formula, that is fitted to measurements rather than calculated. There are various similar formulas 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 (...)
How do i caclculate the area needed for a ferrite transformer , knowing the power needed ? Is there a formula ?
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 (...)
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
Hi For designing power transformers using CRGO and low cost core, normally we use some simple formula which relates transformer cross sectional area, core permeability and some turns/volt etc. Such simple calculations are practically sufficient for our purpose. Just like that is there any easy method for claculating (...)
You do not specify what kind of transformer you want to design. There are several type of transformers and the design procedure can be very different.
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 formulas.First, I got the impedance of optimum (...)
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