If I have a balanced load and 1 meter leads +35kW and the other -29kW how can I calculate the load power factor and the line current if the line voltage is 630V.

Why not have an inverted funnel below wave depth supported by a ship on the surface to collect the oil spewing out of the riser pipe connected to the collection funnel on the sea-bed? The ship would manoeuvre according to where the current took the top of the pipe.

From EETimes:

Why 3D extraction? It all comes down to the need to create, from the layout view, a more precise electrical circuit model, which when simulated gives the designer performance characteristics such as timing, power and noise, as well as other important parameters like g

How much percent regulation of the alternator at unity power factor.

belt conveyor speed please

From Gizmodo:

Following the trail of SpaceShipTwo, Dassault has been working on a new suborbital civilian spacecraft. Not to be confused with the Future High-Altitude High-Speed Transport 20XX, the new aircraft could be a 11-ton vehicle derived from their VEHRA satellite launcher.

From The Engineer - News:

The US Food and Drug Administration has approved a new system developed by Sunnyvale, California-based Asthmatx for the treatment of severe asthma.

Read the whole article

From Gizmodo:

Cleaning up the effect of the disastrous oil eruption in the Gulf Coast—thanks BP-Halliburton!—is a huge job. Here are some of the tech options available when it comes to cleaning up a gigantic mess like this.

Read the whole article

From Gizmag Emerging Technology Magazine:

When most people think of solar cells they picture the rigid glass panels that dot rooftops around the world. But the solar cells of the future will be much more adaptable, with researchers already succeeding in creating highly absorbing fl

how the lift door works?

Dear All,

i am having a live tank current transformer of 5.5 meters weight is approx 1400 kG. almost 2/3 of its weight is on the top of it thats why its very unstable while moving from one place to another.what is the best method to move it safely. please suggest.

Regards,

How to calculate the lag time in normal drilling using water based mud? Please send me the Formula

when two GI pipes are welded together, the galvanising property is at the joint. what treatment is to be made for the joint??

Regards,

PG

What mesh size should be used for strainers and filters for filtering Furnace Oil and Process Oil?

Hi, I need to work out the minimum acceptable cross sectional area for a bus bar made of brass to carry 1000A continuous. How can I calculate this? Thanks M

In 400 KV switch yard of Forsmark-1 NPP (Nuclear Power Plant) of Sweden, During operation a "ground current" protection breaker wasn't blocked and resulted in an electric arc when the section disconnector was opened, consequently Short circuit between two phases occurred.

How such an

Can a breaker be synchronized if the synchroscope is going in any direction as long as it meets the 12 o'clock?

Hi, I cant see why prime mover of a gas turbine efficency increases as ambient air temperature for combustion decreases?? As a matter of fact if the combustion air is hotter it means less energy will be needed to extract from gas and less consumption will occur isnt it true?

Just when Toyota was claiming to be the world's biggest automaker, it went into a major skid over quality. And after nearly going out of business, GM paid off its government loans well ahead of schedule. Ford, you say, is on the upswing and gaining market share, yet it lags behind companies like VW

In Massachusetts, a startup company is taking advantage of revolutionary changes in supply chain technology. Applying open source concepts from software to hardware, they are gearing up to manufacture "personalized" vehicles. Will "crowd sourcing" capture a share of the worldwide automobile market?