The electrical energy efficiency of a typical industrial induction motor can be improved by: 1 ) reducing the electrical losses in the stator windings ( e. g., by increasing the cross-sectional area of the conductor, improving the winding technique, and using materials with higher electrical conductivities, such as copper ), 2 ) reducing the electrical losses in the rotor coil or casting ( e. g., by using materials with higher electrical conductivities, such as copper ), 3 ) reducing magnetic losses by using better quality magnetic steel, 4 ) improving the aerodynamics of motors to reduce mechanical windage losses, 5 ) improving bearings to reduce friction losses, and 6 ) minimizing manufacturing tolerances.

Magnetic fields are produced on poles, and these can be salient poles where they are driven by windings of electrical wire.

Instead of using ferromagnetic materials, these use superconducting windings cooled with liquid helium, which conduct current without electrical resistance.

In the case of an electrical transformer, inductor or relay, the bobbin is a permanent container for the wire, acting to form the shape of the coil ( and ease assembly of the windings into or onto the magnetic core ).

The main grade of copper used for electrical applications, such as building wire, motor windings, cables and busbars, is electrolytic-tough pitch ( ETP ) copper ( CW004A or ASTM designation C100140 ).

The windings are physically separated around the circumference of an electrical machine.

In paper-insulated high-voltage cables, partial discharges begin as small pinholes penetrating the paper windings that are adjacent to the electrical conductor or outer sheath.

As a typical blender has no gearbox, the multiple speeds are often implemented using an universal motor with multiple stator windings and / or multitapped stator windings ; in a blender with electromechanical controls, the button ( or other electrical switching device or position ) for each different speed connects a different stator winding / tap or combination thereof.

There are two common electrical winding configurations ; the delta configuration connects three windings to each other ( series circuits ) in a triangle-like circuit, and power is applied at each of the connections.

In addition, windings can allow high-frequency parasitic electrical currents to circulate entirely within the motor.

The two diphased windings are energized, the ratio between the sine and the cosine representing the electrical angle.

The relation of the electrical angle delivered by the two secondary windings and the other angles is secondary electrical angle, mechanical angle, and primary electrical angle.

These components are necessary for transferring electrical power from outside the motor to the spinning wire windings of the rotor inside the motor.

Some early two-phase generators had two complete rotor and field assemblies, with windings physically offset by 90 electrical degrees to provide two-phase power.

An autotransformer does not provide electrical isolation between its windings as an ordinary transfomer does ; if the neutral side of the input is not at ground voltage, the neutral side of the output will not be either.

Icall pioneered the use of plastics in hairdressing equipment, specifically a thermosetting plastic, Bakelite which was used not only because of its electrical properties in the windings of motors and heaters, but in the outer coverings of the heaters.

It can be imagined that at a time when electrical installations were not to today's standards and at one time were not even grounded, the application of electrical windings to wet hair resulted in enough accidents to worry women.

Tap these 3-48 for mounting the electrical contact later on.

He related events on earth to periodic celestial phenomena and indicated that the years of maximum inclination of the ecliptic coincided with the years of important electrical discoveries.

but the phenomena observed had such a degree of analogy to those depending on electrical distribution that one could not find the slightest difference.

When sufficiently accurate and complete measurements are available, it will be possible to set limits on the thermal and electrical characteristics of the surface and subsurface materials of the moon.

This instrument provides an electrical signal proportional to the angular deviations of the platform and can be used to automatically hold the platform on true heading.

With these gadgets -- impressive to the gullible because of their flashing light bulbs, ticks, and buzzes -- he then carries out a vicious medical con game, capitalizing on people's respect for the electrical and atomic wonders of our scientific age.

RWTH Aachen University, established as Polytechnicum in 1870, is one of the Germany's Universities of Excellence with strong emphasis on technological research, especially for electrical and mechanical engineering, computer sciences, physics, and chemistry.

Analog processors operate directly on the electrical signal, while digital processors operate mathematically on the digital representation of that signal.

For example, eliminating dependence on the electrical grid is relatively simple but growing all necessary food is a more demanding and time-consuming proposition.

Neurons generate electrical signals that travel along their axon s. When a pulse of electricity reaches a junction called a synapse, it causes a neurotransmitter chemical to be released, which binds to receptors on other cells and thereby alters their electrical activity.

Beginning in June 1907, Peter Behrens ' pioneering industrial design work for the German electrical company AEG successfully integrated art and mass production on a large scale.

Initially his mother was reluctant to let him commit to an insecure football career, so he began an apprenticeship as an electrical engineer ; however he went on to turn professional in October 1954.

The choice of isotope ordinarily has little effect on the electrical properties of a material, but does affect the frequency of lattice vibrations, this effect suggested that superconductivity be related to vibrations of the lattice.

In the case of SWNT, covalent functionalization will break some C = C double bonds, leaving " holes " in the structure on the nanotube and, thus, modifying both its mechanical and electrical properties.

* Electrostatic stabilization is based on the mutual repulsion of like electrical charges.

The electrical part of the heart is centered on the periodic contraction ( squeezing ) of the muscle cells that is caused by the cardiac pacemaker located in the sinoatrial node.

; Electrocardiography ( ECG or EKG ): Measurement of the electrical activity of the heart, typically with 4 or 10 electrodes on the skin.

EEG measures the electrical fields generated by large populations of neurons in the cortex by placing a series of electrodes on the scalp of the subject.

For example, carbon can be found as diamond, which has a tetrahedral structure around each carbon atom ; graphite, which has layers of carbon atoms with a hexagonal structure stacked on top of each other ; graphene, which is a single layer of graphite that is incredibly strong ; fullerenes, which have nearly spherical shapes ; and carbon nanotubes, which are tubes with a hexagonal structure ( even these may differ from each other in electrical properties ).

The Continent, to Britain, has different electrical plugs, a different timezone, a different currency, drives on the right, uses the Metric system exclusively, etc.

These small electron-emitting regions can form quite rapidly, even explosively, on a metal surface subjected to a high electrical field.

Audio and radio signals carried on electrical wires are also examples of alternating current.

The AES Cayuga electrical generating station operates in the Town of Lansing, on the east shore of Cayuga Lake.

Furthermore, all air-conditioning ducting, electrical trunking and piping gathered inside the core area had to be squeezed into a very narrow and congested corridor ceiling void.

This oil can contaminate surfaces inside the chamber or upon contact with hot filaments or electrical discharges may result in carbonaceous or siliceous deposits.

Instead, they cause electromagnetic field behavior that only efficiently transfers power to a receiver very close to the source, such as the magnetic induction inside an electrical transformer, or the feedback behavior that happens close to the coil of a metal detector.

For example, if the user dials " 6 " on a North American phone, electrical contacts wired through the cam mechanism inside the phone will open and close six times as the dial returns to home position, thus sending six pulses to the central office.

* Hook-up wire is small-to-medium gauge, solid or stranded, insulated wire, used for making internal connections inside electrical or electronic devices.

The lifetime of the charge well depends on the electrical resistance of the inside of the tube.

Instead, using only a single 20 amp electrical circuit for safety, visitors were allowed to step inside the horn of the subwoofer for an " acoustic massage " as the fractionally powered Matterhorn reproduced low level 10 – 15 Hz waves.

The most common method for producing ice cream at home is to use an ice cream maker, in modern times, in general, an electrical device that churns the ice cream mixture while cooled inside a household freezer, or using a solution of pre-frozen salt and water, which gradually melts while the ice cream freezes.

Because chloride is negatively charged, this creates a difference in the electrical potential inside and outside the cell causing cations to cross into the cell.

Although humidification technology could raise its relative humidity to comfortable middle levels, this is not done since humidity promotes corrosion to the inside of the hull and risks condensation which could short electrical systems, so for safety reasons it is deliberately kept to a low value, around 10 %.

The high electrical fields generated inside a microwave often can be illustrated by placing a radiometer or neon glow-bulb inside the cooking chamber, creating glowing plasma inside the low-pressure bulb of the device.

According to preliminary reports, the fire may have been ignited by a spotlight coming into contact with a curtain inside the news studio ; the station's website later reported the cause as an " electrical malfunction ".

In the case of an electrical generator, a time-varying magnetic field inside the generator creates an electric field via electromagnetic induction, which in turn creates an energy difference between generator terminals.

In the summer of 1949, the county renovated by painting the inside of the building ; adding new desks, new furniture in the library, a new foundation, and a new roof ; and updating the electrical system.

Several MIT classes, including many taught by the computer science and electrical engineering department ( Course VI ) are held inside.

An external electrical field causes the charges to rearrange, which cancels the field inside.

The idea of conduction-band referencing, and the associated parameters ζ < sub > 0 </ sub > and ζ, are useful when concentrating on the properties of electrons in a metal body that is electrically neutral, is electrically isolated from the rest of the world, and has no long-range electrical fields inside it.

The term " voltage difference " should never be used to refer to differences in electrostatic potential, whether these occur inside electrical conductors or in space outside them ( even though such differences are also normally measured in volts ).

For example, the retort door cannot be opened until the cremator has reached its operating temperature, and United States federal regulations require that newly constructed cremators feature dual electrical and mechanical heat-shutoff switches and door releases that are accessible from inside the retort.

Johnson – Nyquist noise ( thermal noise, Johnson noise, or Nyquist noise ) is the electronic noise generated by the thermal agitation of the charge carriers ( usually the electrons ) inside an electrical conductor at equilibrium, which happens regardless of any applied voltage.

Secondary payloads: IMAX Cargo Bay Camera ( ICBC ) to document operations outside crew cabin and hand-held IMAX camera for use inside crew cabin ; Ascent Particle Monitor ( APM ) to detect particulate matter in payload bay ; Protein Crystal Growth ( PCG ) to provide data on growing protein crystals in microgravity ; Radiation Monitoring Equipment III ( RME III ) to measure gamma ray levels in crew cabin ; Investigations into Polymer Membrane Processing ( IPMP ) to determine porosity control in microgravity environment ; Shuttle Student involvement program ( SSIP ) experiment to study effects of near-weightlessness on electrical arcs, and Air Force Maui Optical Site ( AMOS ) experiment.

The intended design was to make an electrical contact inside the sensor at 3 g ( 29 m / s² ), maintaining it through the maximum expected 30 g ( 290 m / s² ), and breaking the contact again at 3 g to start the parachute release sequence.