I recieved a cut sheet from a gen manufacuter and told him to comply with ANSI C50.13 which will limit the ground fault current Isc SLG to a value less than or equal to the 3 phase fault of the generator. My comment was to increase the zero sequence impedance 3x's the value of my positive sequence.

Hello Everyone,

Last Thursday I noticed that we had no Domestic Hot Water running out of our faucets and showers. I'm trying to systematically determine why this is happening and also avoid getting hook-winked by the repair man if at all possible. I am not a mechanical or HVAC guy, just a Civil

From Geeks are Sexy Technology News:

If you're a geek of a certain age, the chances are you've at some point sniggered at the mention of a 3.5″ floppy. Those days are over with Sony effectively announcing the death of the floppy disk drive.Created in the early 1980s as a smal

The car previously had been making a slight squealing noise like antifreeze got on a belt. Immediately after the squealing the temp gauge went straight to hot. turned the car off, checked under the hood and there were no signs of coolant leaking. Pushed on the belt and it had a little too much give

My little brother is offering a industrial maintenance contract on lab equipment. The idea is to visit 3 sites a month (in different cities), inspect and calibrate the equipment, maybe repairing if anything fails. The monthly fee will be fixed, as this customer is particularly difficult and will be

sir,

I want to know how can i manage cable scheduling and what content are inside it?

plz undersand to me in detailsand cable block diagram also same.

thanking you.

I am looking to control AC current to a device with constant 220v Ac voltage in order regulate a heater.

Telecommunications engineers have developed a method of automatically detecting and identifying musical notes in audio files and generate sheet music.

From Wash Post Technology:

As a culture, we're at an odd crossroads regarding personal computers. For years, educators have been clamoring to put technology in the hands of young students through partnerships with big tech companies, best symbolized by the One Laptop Per Child init

From Wired Top Stories:

Design flaws, compounded by human errors, cause Soviet engineers to lose control of a reaction at the Chernobyl nuclear power plant. A partial meltdown occurs. Many die. Many more suffer. The final count of victims may not be over yet. When someone says "

can you help me for designing a external hard disk 3.5 sata hard drive

Corporate Level III. Does anyone out there use Computed Radiography? I am having issues with imaging plates. Using CR for NDT and repeatability seems impossible.

We are intending to bend an IPN200 steel beam about the major axis but to a very tight radius 1.35m. It can be done but the strain during bending is very high and will affect the steel properties. Yield strength will still be okay but ductility is likely to be a problem as a minimum ductility is req

Hi .

I have a Ford Ranger 2000 with 2005 V6 engine . The engine was recently replaced . When i drive on Highway and reach 100 Km/H and more the Overdrive Off light in the pannel start to blink minutes later and when down the speed in the same driving the shifting become hard and i can feel it i

From Slashdot:

A $1.5 billion gamma ray experiment, the Alpha Magnetic Spectrometer, that was to have launched aboard the space shuttle Endeavor to the International Space Station in July, has undergone a last minute design change that will change the launch date, pushing back the

I have a precision scale that is used very seldom.

When it was calibrated ( annual) last February, several test points were OOT, too low ( by .0030g).

Question: Is this normal for load cells to drift this much?

In a CAPA, I recommended a certification ( taking it through i

From CBC | Technology & Science News:

A hospital in Spain has carried out the world's first full-face transplant, on a young man whose nose, skin, jaws, cheekbones, teeth and other features were replaced following an accident, officials say. Other transplant experts lauded the sur

My request is simple. I need a #8-32 x 3/8 Flat Head Machine Screw, 100 deg., in 18-8 SS, #1 Phillips. The problem seems is that, up to now, I have not been able to find this hardware as a stock item anywhere (#2 Phillips is standard). We are a small company and can't afford to layout ~~$1000

what is the main function of using sealing rod in heat exchanger?

please,i want a brief description of oil and gas processing focusing on the commodities used in that

thanks in advance