Does inverter window AC make noise?
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27 Citations | As a result, rear window buffeting noise is more severe than that of front window when one window open, and combination pattern of side windows open can reduce buffeting noise. |
21 Citations | Noise attenuation of the new ventilated window design has improved significantly by combine flexible absorber and quarter-wave resonator effects. |
01 Jan 2000 | For the inverter systems, however, it is highly required to reduce undesirable electromagnetic noise and psychoacoustic noise generated by PWM for variable speed operation. |
The inverter is nonlinear which causes instability problems in some specific working points of the AC machine and it emits acoustical noise due to the switching frequency. | |
The results showed the acceptance of the indoor noise level made by the ventilated window. | |
The extra attenuation at the observation points in the optimized window system is almost equivalent to the noise reduction at the error sensor and the frequency range of effective control is up to 390 Hz in the case of a single channel active noise control system. | |
17 Mar 2013 37 Citations | Simulation and experimental results verify the interaction between AC and DC filters and show that EMI filters can be designed to suppress both AC and DC EMI noise to meet the standard with the proposed EMI filter design method. |
This noise and vibration issues are partly influenced by the running conditions of the AC and the effect was significant when the AC was turned on. | |
In this project inserting an active filter between the inverter and the induction machine reduces the acoustic noise, and in this way the acoustic behavior of an existing drive can be improved without needing to replace components or modifying the drive. | |
27 Citations | The simulation results show that side window buffeting noise is generated by large scale vortices and in low frequency. |
17 Citations | The grid-injected current total harmonics distortion (THD) and electromagnetic interference (EMI) noise must be considered in a transformer-less grid-connected inverter for a more electric aircraft (MEA) system. |
27 Sep 2018 28 Citations | Therefore, the combination of an advanced modulation strategy and EMI filter is proposed for suppressing of EMI noise in an inverter. |
Therefore, the noise immunity of the inverter is also improved greatly. | |
07 Aug 2002 58 Citations | Thus, RPWM has been attracting interest as an excellent method for the reduction of acoustic noise in inverter drive systems. |
This study provides a detailed understanding of how noise affects the operation of the CMOS inverter at low power supply voltages. | |
This work makes it possible to design a window with both noise shielding and air flow. | |
17 Citations | The proposed ac-ac inverter is attractive for low power (up to 250 W) high frequency applications. |
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