Distribution Transformer
Jaotustrafo on seade, mida kasutatakse elektrisüsteemides elektrienergia ülekande ja jaotamise ajal energia tõhusa ülekande ja jaotamise saavutamiseks elektrienergia pingetaseme muundamiseks
Electrical cable & wire Copper & ALuminum Wire
Power Transformer
A power transformer is a type of transformer used in power systems, mainly for changing the voltage level of alternating current. It is a key component in the power system for transmission, distribution and...
What is Hydrogen Oxygen Flame Motor Enameled Wire Welder
There are electric motors wherever electric current is needed to provide power, from the smallest hairdryer and electric toothbrush to the largest electric locomotive and so on.
What is the role of air gap flux in a motor?
Air gaps are one of the main issues in the design of electric motors. Electromagnetic devices have magnetic circuits that contain low-resistance materials (e.g., iron), which minimizes the amount of electrical energy required to...
Matters that must be paid attention to the winding process in motor production!
Winding is a very critical part of the motor winding production process.
How to realize the energy saving of the new wire-wound rotor asynchronous motor
Brushless doubly-fed wire-wound rotor motor is a new type of AC induction motor developed in recent years, which consists of two sets of stator windings with different pole pairs and a set of wire-wound rotor windings.
How to reduce the likelihood of motor overheating
With regard to heat inside the motor, you cannot measure it by the external temperature of the motor; the design temperature ratings in the technical specifications relate to the hottest areas within the motor windings, not to the amount of heat transfer to the motor’s external surfaces.
What are the ways to optimize structure-borne and air-borne noise in motors?
Motion vibrations occurring in a motor are propagated from the motor surface as airborne noise, and at the shaft and the motor’s fixed base as structure-borne noise, which to some extent is transformed into airborne noise for further propagation into the environment. In order to reduce the noise, a general approach is to interrupt the noise chain from the source to the transmission path to the ear, or to reduce the noise generation directly at the source. If this is not possible, one can at least try to make the noise pleasant or less objectionable.
Insulation and soundproofing
Sound barriers can be realized by sound insulation and vibration isolation. The insulation must be clearly distinguished from the damping layer, in which the vibration energy is converted into frictional heat. In solids, this frictional heat is caused by molecules or relatively large particles moving against each other in the body, but can also be caused by materials mounted on the outside of the device (e.g. foams, non-woven materials, elastomers) and exhibit a great deal of internal friction. In order for this material to also have a damping effect, it must be attached to the surface at the belly of the vibration wave. In other words, attached at the point where the vibration causes the greatest deformation of the material, this material is often referred to as an insulating material, and even if it is not insulating, it also acts as a damping agent.
What are the performance requirements of electric motors for wire and cable?
Wire and cable product performance requirements, mainly from the use of each specific product, the use of conditions, as well as supporting the relationship between the equipment and so on. In a product of...
How to solder enameled wire for motors?
Flame is concentrated, welding speed is faster than other gases. The flame is carbonless, does not change the steel and flexibility of the workpiece.