{"id":18,"date":"2014-02-26T21:44:00","date_gmt":"2014-02-26T21:44:00","guid":{"rendered":"http:\/\/localhost\/switch\/senza-categoria\/things-i-translate-electric-motors\/"},"modified":"2014-10-27T09:54:08","modified_gmt":"2014-10-27T09:54:08","slug":"things-i-translate-electric-motors","status":"publish","type":"post","link":"https:\/\/www.switch2.it\/en\/things-i-translate-electric-motors\/","title":{"rendered":"Things I translate: Electric Motors"},"content":{"rendered":"
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I have always been working in technical fields and one of the subjects I dealt with very often recently is Electric Motors.<\/div>\n
I do translate lots of documents, technical sheets, specifications of EMs, but since I do not build them, it took a long time for me to understand how they work. And I am still studying and learning how they are manufactured, what type of motors are available on the market and I can assure you it’s quite a mess out there, as there are so many different options, powers, as well as different applications and purposes an electric motor can be used for.<\/div>\n
Therefore I thought it might have been interesting for me (maybe for you too? I don’t know if you are also interested in technical stuff and you have no engineering degree as well as I haven’t) to get to know the (veeery) BASICS of an EM operating principle.<\/div>\n
First of all, as an EM manufacturer I know said to me, “an electric motor is an energy transformer, its function is to change an energy type (electric power) into another one (mechanical power, motion)”.<\/div>\n
Like an engine, using electric power instead of fuel combustion, though. But similarly to an engine, it is actually used as an actuator. <\/div>\n
Engines move cars, EMs move many different things, such as conveyor belts, fans, lifts, etc.<\/div>\n
An electric motor is composed of a stator and a rotor, which generate a magnetic field due to electric power running through the stator and magnets or poles mounted on the rotor. Between rotor and stator there is an air gap. <\/div>\n
The magnetic fields causes the rotor to turn due to induction and, since the rotor is connected to a shaft, the shaft rotates too and is therefore able to transfer motion so something else (belt, fan…).<\/div>\n
I found these two interesting videos that briefly explain how this works (Click here to see the first video<\/a>). And this one<\/a> is even more interesting, as it shows how an EM is assembled.<\/div>\n
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Electric motors can be synchronous, asynchronous, AC and DC. <\/div>\n
Other specifications you might find are:<\/div>\n
– step motors,<\/div>\n
– brushless motors,<\/div>\n
– linear motors,<\/div>\n
– monophase motors,<\/div>\n
– three-phase motor,<\/div>\n
– brake motor,<\/div>\n
– squirrel cage motors,<\/div>\n
– slip ring motors, <\/div>\n
– drum motors,<\/div>\n
– double polarity motors, etc.<\/div>\n
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They can have special or extra features, such as:<\/div>\n
– tropicalized windings,<\/div>\n
– F Class and H Class insulation (motor maximum ambient temperature of respectively 40\u00b0C and 50\u00b0C)<\/div>\n
– IP56 and IP65 protection, which <\/p>\n