Mechanical Conservation

An important component, which is known as the motor housing, has as its main function to fix it in the working environment, protecting it according to the environment in which it will be installed. The housing is suitably designed so that it encompasses the different types of mechanical protection to meet the requirements of the standards, relating to the installations and machinery for which the motors need to be designed.

Therefore, the mechanical protections are classified as splash proof and fully enclosed and explosion proof. Drip and splash proof, with all rotating parts or under tension, protected against dripping water from all directions, not allowing the direct or indirect entry of drops or particles of liquids or solid objects that spill or impinge on the engine electric.

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In the case of the fully enclosed motor, there is no exchange of the cooling medium between the outer environment and the interior of the enclosure. Depending on the required characteristics, the motors may or may not have fans for cooling. It can then be concluded that the motors must be protected for the protection of those responsible, as well as against harmful external influences, and must comply with safety, accident and fire prevention requirements.

 

Mechanical Conservation

Operation and Performance of Electric Motors

It is important to note that most electrical machines perform their many functions through the interaction between electromagnetic fields, although engines based on different electromechanical phenomena can be found. It is possible to affirm that the fundamental principle in which the electromagnetic motors refer is that there is a mechanical force in the whole wire, at the moment in which it is conducting the electric current immersed in a magnetic field. The electric motor consists of a component capable of transforming electrical energy into mechanical energy.

Of all the types of machines found, it is seen as the most used for having the advantages of electric energy, such as hygiene, transport and simplicity of control, considering its simplified projection, great economy and high versatility of adaptation to different loads with optimized yields. In the case of the reverse task, capable of converting the mechanical movement into electric energy, it is generated by a generator or a dynamo acme CE010100. In the great majority, the two components can differ only in their application and details of projection. Traction engines found on locomotives, for example, fulfill both functions if the locomotive is equipped with dynamic brakes.

Operation and Performance of Electric Motors

Principles of CA

Electric synchronous AC motors are basically operated at a fixed speed, used only in cases where high power is required or when constant speed is required. Induction motors usually operate at a constant speed, which can vary subtly with the mechanical load applied to the shaft. Due to its great simplicity, ruggedness and low cost, the induction motor is by far the most commercialized and used of all other manufactured ones, noting that they also become suitable for almost all types of driven machines, found in practice.

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Nowadays, unlike in the past, it is feasible to perform the speed control of the induction motors with the help of frequency inverter devices. Alternating current motors are considered to be the most sought after for different purposes, and one of the many existing reasons that directly contribute to this fact is based on the continuous distribution of electrical energy, which can usually be realized by alternating current . The most relevant categories of alternating current motors are synchronous motors and induction motors.

Principles of CA