AND GREENHOUSE EFFECT MITIGATION OF TOXIC GAS EMISSIONS
IME intends to actively participate in the achievement of these objectives of general interest, and believes that it can make its own contribution by working with commitment and competence on two essential lines of the European strategy aimed at reducing emissions.
Testing conducted on the first high efficiency Brushless Motors manufactured by IME, driven by electronic cards (or inverters, if you prefer) specifically designed by IME electronic designers, have shown energy savings in the order of 40 – 60% compared to traditional motors, with the same performances provided. These results have been achieved thanks to the brave choice by ime which, since 2011, has included in its staff highly qualified resources for the design of inverters to control their motors: inverters are essential to maximize energy savings, as they are able to change the speed of the electric motor by modulating the power frequency according to the load actually requested. In other words, they allow the operation of the motor to be adapted to the needs of the moment, avoiding oversizing and waste. The electric motor is in fact a standardized machine torque curve, which is ill-suited to changing operating conditions, and is therefore only rarely able to ensure the mechanical power required by the machine without waste or withdrawal points. IME inverters allow optimal dosing of the electric power consumed compared to the required mechanical engineering to the motor shaft. Machines such as pumps or ventilators, if they lack an inverter, vary the flow through restrictors (such as valves or gate valves) to adapt to the load reductions, keeping the input power constant: that is, with a useless waste of energy. What has just been described becomes even more importance if you consider that the reduction of the speed has very significant effects on the absorbed power, as the latter varies in the ratio of the cube of the speed: reducing, for example, 50% of the rotation speed of the motor generates energy savings in terms of power absorption of 87.5%.
Generates energy savings in terms of power absorption of 87.5%. 2) The gradual process of de- carbonization of the power generation park, thanks to the increase in electricity production from renewable sources. Since 2012, IME has allocated significant resources to the development of solutions for power generation plants from renewable sources of energy; especially wind power, hydropower and biogas cogeneration. In this case, IME has been able to take advantage of the experience gained in the construction of high efficiency machines and its expertise in the field of electronics and has developed prototypes that its customers have begun to test since the beginning of 2013 with very satisfactory results. Like most electrical machines, the permanent magnet synchronous machines are also completely reversible in their use as motors. Therefore, these machines can be used as generators of electricity. In particular, ime permanent magnet synchronous machines, by virtue of their strengths, are considered very suitable to be used as generators, especially of renewable sources, which is why ime – stimulated and comforted by the requests coming from customers, but in this case it would be better to define them as project partners, who first tried the prototypes – intends to continue working intensively on the optimization and technological development of its solutions for power generation plants.