Author Topic: Phoenix's Large DRSSTC II  (Read 83 times)

Offline Phoenix

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Phoenix's Large DRSSTC II
« on: April 08, 2019, 01:12:14 PM »
Hello everyone  :)

About one year ago, I have finished my 160mm DRSSTC. Now, i am planning a 315mm DRSSTC. I have already ordered 6 large GTO Snubbers with 6µF and 3200V DC. I will put them in series to get 19200V DC @1µF. The capacitors can handle up to 2200A peak and 100 A RMS. Here is the ebay link: https://www.ebay.at/itm/Electronicon-6uF-660Vac-3200V-DC-1050V-AC-Cylindrical-Film-Capacitor/362555302076?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

I got them for 35€ each, which is not too bad.

Here are my JAVA TC calculations: 


Secondary Diameter: 315mm
Wire diameter: 0.8mm
1800 Turns
158cm winding length

Primary inner diameter: 385mm
outer diameter: 865mm
15mm Copper tube
15mm turn spacing
8 turns in total
tapped at around 4.8 Turns including spark loading

Topload:
40cm Aluflextube
150cm diameter

I am planning on using a fullbridge made out of cm600du-24nf Igbts. The coil is going to run on a DIY 3 Phase variac that can deliver up to 30kW for one minute. This will give me up to 660V DC Bus voltage. What do you think about this specs?

Here is another question: Is there a big difference in terms of performance between DC Link and electrolytic capacitors? I know that you need less dc bus energy if you use dc link capacitors. How much less energy do i need?

Greetings
Phoenix 
« Last Edit: April 08, 2019, 04:06:11 PM by Phoenix »

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Phoenix's Large DRSSTC II
« on: April 08, 2019, 01:12:14 PM »

 


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