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Forum: Tech Log

9th Jul 2013, 16:05

Replies: 44

What advantages does ac electrical power have over dc electrical power

Views: 26,409

Posted By EEngr

Chu Chu...

Chu Chu (http://www.pprune.org/members/292170-chu-chu):

The effect you refer to is described by Paschen's Law. Here is a curve describing breakdown voltage per inch vs air pressure:

Breakdown...

Forum: Tech Log

5th Jul 2013, 00:36

Replies: 44

What advantages does ac electrical power have over dc electrical power

Views: 26,409

Posted By EEngr

That's basically the essence of it. The peak...

That's basically the essence of it. The peak voltage of a sinusoidal source with RMS voltage of V is sqrt(2) * V. So for a 115 Vac RMS vooltage, the peak is 162.6 volts.

Close. The relationship...

Forum: Tech Log

29th Apr 2013, 19:27

Replies: 44

What advantages does ac electrical power have over dc electrical power

Views: 26,409

Posted By EEngr

barit1...

barit1 (http://www.pprune.org/members/107138-barit1):

Here is some info on DC transmission links.

List of HVDC projects - Wikipedia, the free encyclopedia...

Forum: Tech Log

28th Apr 2013, 18:17

Replies: 44

What advantages does ac electrical power have over dc electrical power

Views: 26,409

Posted By EEngr

Chu Chu...

Chu Chu (http://www.pprune.org/members/292170-chu-chu):

This is true of all 'magnetic' devices such as motors. Also in AC to DC conversion. Ripple filtering capacitors can be much smaller at...

Forum: Tech Log

28th Apr 2013, 18:02

Replies: 44

What advantages does ac electrical power have over dc electrical power

Views: 26,409

Posted By EEngr

Stuck_in_an_ATR...

Stuck_in_an_ATR (http://www.pprune.org/members/127367-stuck_in_an_atr):

Some systems are going to require 28 Vdc so that they may also be powered by a battery (usually at 24 Vdc) as a backup. For...

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