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ABB VFD regen inhibit?

I have an ACS800-17 that occasionally will run on diesel-electric backup gensets. Regen has to be turned off somehow wh...
0 comments posted 15yrs
posted by matthew.moorland
0 comments posted 15yrs posted by matthew.moorland

Grid Tie Inverter Project

I am working on a project that involves connecting solar, wind, microhydro power into a grid tie system, without the hu...
5 comments posted 15yrs
posted by jrojas
5 comments posted 15yrs posted by jrojas

Reed Relays For Radio Front End: Still Used ?

Hello, Am thinking about purchasing a shortwave defined radio receiver from WinRadio (http://www.winradio.com/home/g33d...
0 comments posted 15yrs
posted by rgsros
0 comments posted 15yrs posted by rgsros

Maintenance and Repair

Electric Arizona also provides installations exclusive home automation systems in your houses to ensure =91hands free=9...
0 comments posted 15yrs
posted by barbara80nancy
0 comments posted 15yrs posted by barbara80nancy

USA to Australian power

G'Day All I am in Australia where we have 220 volt power supply If I use my battery chargers in a USA environment of 11...
22 comments posted 15yrs
posted by stubbo
22 comments posted 15yrs posted by stubbo

Help identifying components

Black diode, smaller than 1Nxxx, green band and green test: "R47". Glass diode with yellow band. No other markings. Than...
27 comments posted 15yrs
posted by invalid
27 comments posted 15yrs posted by invalid

Couple Charged in Nuclear Weapons Secrets Case

Tell a Friend Sep 17, 3:11 PM (ET) By PETE YOST WASHINGTON (AP) - A scientist and his wife who both once worked at Los...
0 comments posted 15yrs
posted by proteusiiv
0 comments posted 15yrs posted by proteusiiv

The Trouble With Trolls

> 85 messages in 35 groups! This is NOT your private eBay! Go way to > somewhere where the sun don't shine. Is that the...
6 comments posted 15yrs
posted by proteusiiv
6 comments posted 15yrs posted by proteusiiv

quadrant-eleventh-gram-second system

What is the quadrant-eleventh-gram-second system of units? What is the significance of "quadrant" ? What is the signific...
1 comments posted 15yrs
posted by SalmonEgg
1 comments posted 15yrs posted by SalmonEgg

Expro universal power adapter doesn't do 18.5V

Hi all, My second laptop power cable began to get flaky .. intermittently failing to power/charge the laptop/battery. I...
5 comments posted 15yrs
posted by jnkjnjnini
5 comments posted 15yrs posted by jnkjnjnini

Odd Fan Switch Speed Setting

Hello, Everyone: I have an electric fan whose speed setting is 0-3-2-1, where 3 represents the highest speed and 1 the...
2 comments posted 15yrs
posted by qquito
2 comments posted 15yrs posted by qquito

stereo wide diagram

+----o o----R--C----o o----+ | / . . . . . . .\ | | | | | L out ---R--+--C--+ +--C--+--R--- R out | | | | +--R--+ +--R-...
4 comments posted 15yrs
posted by rowl
4 comments posted 15yrs posted by rowl

can someone please help me identify this device.

I shot this picture of the device on what I believe is a power line. It appears to be inline and these two white "poles...
4 comments posted 15yrs
posted by fotoobscura
4 comments posted 15yrs posted by fotoobscura