Estudo descobriu que uso do coletor menstrual é seguro

Uma nova análise abrangente publicada no The Lancet Public Health na terça-feira pode ajudara mudar essa narrativa. O relatório conclui que os copos menstruais são seguros para uso epodem ser tão eficazes quanto outros produtos sanitários na prevenção de vazamentos. Oartigo mostra que o copo pode ser uma opção viável em países pobres, onde o …

Transporting Electric Equipment

It is important to note that the elements responsible for the entire shaft locking process, normally used for protection during the entire transport process, in the case of motors having roller bearings or angular contact, must be used for any locomotion of the engine baldor vm3542 , even if this factor requires the uncoupling of …

Thermal Insulation Element Performance

It is very important to observe the proper balance of the currents in the three phases, ensuring that the frequency predicted for the motor is identical to the frequency of the mains. In this way, the durability of an insulator can be relatively reduced in case http://cgevaporator.com/ of a representative overheating of the machine. The …

Soft-Starter

Static starts from a set of thyristor pairs (SCR, or combinations of thyristors / diodes), one at each power terminal of the electric motor. The firing angle of each pair of thyristors is controlled electronically for a variable voltage to the motor terminals during “acceleration”. This behavior is called the soft-starter. https://www.mrosupply.com/lubrication/lubrication-accessories/2310396_8072-a_alemite/ At the end …

Characteristics of induction motors

The electric induction motor has almost constant speed. Small power induction motors are most often single phase with shorted rotor and need special devices since they do not have their own starting. The three-phase induction motors are of higher power and have their own starting. Since they need a large current of the network, at …

FUNCTION AND COMPOSITION OF THE DEPARTURE DEVICE

Many industrial processes require variable speed load drive devices, such as pumps for varying liquid flow; fans for variation of air flow; transport systems to vary the transport speed; lathes for variation of cutting speed; winding machines to compensate for the variation of the coil diameter. For a long time, variable speed industrial applications have …

Frequency inverters

Frequency inverters control the speed of three-phase alternating current electric motors as well as control other parameters essential to the electric motor, one of which is torque control. This versatile and dynamic equipment is widely used in many different areas and equipment such as elevators, machine tools, pumps, mechanical traction. Frequency inverters are electronic devices …