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Frequency Inverter - increasing 50Hz to 60Hz

I have a 400v 5.5kW 4 pole motor driven via a frequency inverter at 50Hz. If I increase the frequenecy to 60Hz, the rpm...
1 comments posted 18yrs
posted by colinstone
1 comments posted 18yrs posted by colinstone

THD issues when using a VFD

The water association I am with had contractors install a 240 volt, three phase, 10 H.P. submersible pump for our commu...
4 comments posted 18yrs
posted by bstrom1953
4 comments posted 18yrs posted by bstrom1953

About single phase alternator

What will happaned if we grounded one output wire of a single phase alternator? Can we get the previous 240 V ac ?
1 comments posted 18yrs
posted by ferdousbhuiya
1 comments posted 18yrs posted by ferdousbhuiya

Open ground for a washing machine - quick fix ?

Hello ! I'm helping a friend who just moved in a new appartment. One of the things we made was to change all the old pa...
43 comments posted 18yrs
posted by NoSpam
43 comments posted 18yrs posted by NoSpam

Auto Cad Wiring

I am interested in learning how to design electrical wiring for homes and commercial buildings in Auto Cad. What are th...
0 comments posted 18yrs
posted by mr.carlos.cifuentes
0 comments posted 18yrs posted by mr.carlos.cifuentes

Smart card and pic programming

Hi all, I'm planning to do some experimentation on pic programming and smart cards. This link refers to what product I'...
7 comments posted 18yrs
posted by wthai1
7 comments posted 18yrs posted by wthai1

Hydro Energy for the Home

Can I really use hydro energy to power my home? http://save-energy-today.blogspot.com/
4 comments posted 18yrs
posted by dinac.k
4 comments posted 18yrs posted by dinac.k

Power Supply Question

We use a couple different 24VDC power supplies to drive testing instrumentation we manufacture. Recently we've been tol...
9 comments posted 18yrs
posted by ckramer7070
9 comments posted 18yrs posted by ckramer7070

Puzzled over florescent light behaviour

I've just installed 2 new tubes in my fish tank. They both light up beautifully for about 1 or 2 seconds (no flicker),...
0 comments posted 18yrs
posted by nottnick
0 comments posted 18yrs posted by nottnick

Where to find a dedicated timer?

Greetings, I am looking a timer where I set the length of time, then push a button and the electric flow for that amoun...
22 comments posted 18yrs
posted by crawford.kirk
22 comments posted 18yrs posted by crawford.kirk

Intermittant Power failures

Ive have had about 14 new PC's in the last 9 months. I would bring it home plug it in and very soon afterwards everythi...
12 comments posted 18yrs
posted by Honeysucklehill
12 comments posted 18yrs posted by Honeysucklehill

California Code

Does anyone know what year California started requiring grounding of indoor electrical outlets? Thanks, Sue
2 comments posted 18yrs
posted by sodom
2 comments posted 18yrs posted by sodom