Recent content by Nash78

No no . . . Radio shack is unavailable in my country. For me, RS or Farnell would be great choices locally. I also had qualms about 1N4007. But they are working fine for now. I have not got 2000V yet, so problems may surface when i do get that output voltage. Anyway, a faster diode helps...

Making 1 is not pricey . . . ferrite cores are readily available at the local Farnell or RS Component distributors. The insulated copper wire is the killer, local suppliers sell at 40kg minimum. I need 2 sizes, gona blast a hole in my pocket to get them. I will just get it from any tx...

Hey, u r right! I have burnt 2 MOSFETS up to now. Smoking hot. My dc power supply is limited to 1A output but the MOSFETS still smokes. Right now, i changed to resistors to get a different frequency. The SAME transformer can now safely bring the output to a stable pulsed 600Vdc after...

With all courtesy to Mr William Nechefski for this circuitry. I have gone ahead to build this circuit. Everything is the same except the transformer. I had a old transformer with was used to step down from my 50hz mains. Primary 12-012 Secondary 0-230V Power 12VA My transformer has a...

Wow . . . . that's the BIG difference between just "knowing" and "knowing how to apply what u learnt" I guess my constant snoozing during classes proved 1 thing. 10% knowledge and 90% crap Thanks man.

Great link! Thanks and thanks and thanks . . . .

Any idea on what relation this has with the charging power? I can't relate these two things together. Let's say i measure the secondary resistance and get a calculated answer close to what i see in practical. The charging of the bank completes 2000Vdc within 6 secs. I did the test many...

Hello, Anyone out there with the decade cmos 4017 model? Im using LT spice for some simulation but i can't find it in the standard library. Thanks in advance. Nash78

Hi, I assume 230V would already be the rms value going into the primary side, so output should still be 2000V instead of 2828V, yah? There is a feedback circuit which cuts off the SCR signal, so overcharging is well taken of. So, the secondary resistance plays a big part in the...

Hi, Me again. I have been tasked to replace a step up power transformer in a machine. But i just can't get the answers i need after much thinking. In a simplistic RC circuit, there are 4 items DC Power source (Normally voltage driven) Switch (On/Off the circuit) Resistor Capacitor...

I intend to live my life beyond 80 years... :cool: Rail guns are super illegal in my country! Just carrying it and getting caught, means jail of at least 20 years + 24 strokes of the cane. Seriously not worth it... My bridge is for a magnetiser. The OEM bridge needs a replacement almost...

So it means SIMPLY... any resistor values between 650kohm and 13Mohm is good for my application then? Of course the voltage rating of the resistor must be correctly chosen. I am using it on a 3 phase sine, without neutral, 50hz The input to the bridges will come from a stepup tx, star...

Yo MIKE and UART, http://ezinearticles.com/?Easy-Method-To-Connect-Diodes-In-Series-And-Parallel-To-Get-The-Desire-Specification&id=502120 This is the article that i am referring to... this guy makes it sound so simple. Which was also my idea. The difference is, HE seems to understand...

Yah, that's why i have to put in the shunt resistor right? To prevent the diode from failure. Right? :confused:

A full bridge rectifier for 2A, 2000vdc is required. It is used for a capacitor charging circuit. A full bridge rectifier consists of 4 diodes in theory. But due to physical size limitations that i can install this item. Diodes that are above 3kV does not fit my sizes, so i have another...