Compressors are generally classified according to engine power. On the market, the words 100 kW compressor or 75 kW compressor are often heard. However, it is necessary to look at what compressors that consume so much energy provide in return. Since the main task of compressors is to produce compressed air, the first point to consider should be how much air the compressor produces. This is the flow rate of the compressor. Two compressors with the same engine power may produce different air at the same pressure. Therefore, a standard has been developed to determine the air flow rate for compressors. FAD (Free Air Delivery) measurement method is widely used. This method shows the actual performance of the compressor regardless of the ambient temperature, pressure and humidity factors. FAD measurement is also defined in ISO 1217 and DIN 1945 standards. In the FAD method, the pressure of the air absorbed by the compressor is measured, ie the pressure of the ambient air and the inlet temperature, ie the temperature of the environment. Then the outlet pressure and the outlet temperature of the air as well as the outlet flow are measured at the compressor outlet. The relative humidity and vapor pressure in the ambient air are also taken into account when making the calculations. All these measured values are placed in a formula and the FAD is calculated.
The most accurate way to measure the flow rate of compressors is FAD measurement. However, some low-quality compressor manufacturers do not specify the FAD value in the product descriptions, but the compressive volume of the compressor. This value is higher than the FAD value and is misleading. Theoretically, there is no compressor capable of delivering this amount of air in practice.
Energy consumption is high in compressed air systems. Efficiency is therefore essential in all compressed air systems, including compressors. Even under optimal conditions, a large part of the energy used by the compressors is wasted. Energy savings should be achieved not by reducing the amount of energy used, but by reducing the energy consumed without compromising quality and requirements.
Our company, within the framework of electrical safety examinationsperforms its technical measurements in accordance with the relevant regulations, standards and test methods published by domestic and foreign organizations. The following standard is taken into consideration in these studies:
- TS 7765 ISO 1217 Displacement compressors - Acceptance tests
In this regard, our company, the Turkish Accreditation Agency (TÜRKAK), Accredited according to TS EN ISO / IEC 17025 standard.