Benefiting from self-healing features, metallized film capacitors (MFCs) are widely employed to compensate reactive power (VAR) and thus improve the performance of AC systems. To ensure the aforementioned functions, self-healing testing is a compulsory quality inspection for every type of MFC. In 2014, the International …
Benefiting from self-healing features, metallized film capacitors (MFCs) are widely employed to compensate reactive power (VAR) and thus improve the performance of AC systems. To ensure the aforementioned functions, self-healing testing is a compulsory quality inspection for every type of MFC. In 2014, the International …
On-Line Partial Discharge Monitoring System for Power Transformers Based on the Simultaneous Detection of High Frequency, Ultra-High Frequency, and Acoustic Emission Signals June 2020 Energies 13 ...
The comparison result switches capacitors in a capacitor digital-to-analog convertor (CDAC) and let its output voltage gradually approaches the disturbance peak voltage. The proposed peak detector is implemented using TSMC 0.18 µm CMOS process. ... The detector has the advantages of high detection accuracy, width frequency range, and …
The capacitive transducer with differential transformer bridge is widely used in ultra-sensitive space accelerometers due to their simple structure and high res
The capacitive transducer with differential transformer bridge is widely used in ultra-sensitive space accelerometers due to their simple structure and high res
High values of R L and R B provide good low frequency accuracy, but cause the amplifier to slew rate limit, resulting in poor high frequency accuracy. A good …
This paper reports a study on developing of a protein detection biochip based on interdigitated array electrodes (IDAEs) capacitive immunosensor. The protein after being preconcentrated in a detection region will be selectively captured and detected by the capacitive immunosensor. Using electrical impedance spectroscopy operated at high …
Peak Detectors: Working, Types, Circuit and Applications ...
Dry Film Capacitors for High-Frequency Power Electronics
Series arc faults can cause fire hazards in dc distribution systems. During a series arc fault, the line impedance usually increases rapidly and the arc current includes …
Single-phase power converters are increasingly favored in applications, such as permanent magnet synchronous motor drives, railway traction AC drives, and led lighting, due to their high current quality, power factor, and bidirectional energy flow capabilities on the grid side [1,2,3,4].These converters typically rely on large-capacity …
Murata High-Frequency Ceramic Capacitors are typically used in applications with high frequencies from 500MHz to 10GHz, such as base stations for cellular, broadcast satellites, cable TV, and telecommunication. These Murata High-Frequency Ceramic ...
MLC-Caps feature a wide frequency range and high operating temperature; however, they are costly. On the contrary, ... Biletskiy Y., Chang L. Capacitor aging detection for the DC filters in the power electronic converters using ANFIS algorithm; Proceedings of the 2015 IEEE 28th Canadian Conference on Electrical and Computer …
Figure 7.18 shows the schematic diagram of an ideal peak detector circuit. As the dotted lines in the figure indicate, the circuit is essentially an ideal clipper (an inverting clipper was discussed earlier in this chapter), followed by a parallel resistor and capacitor and driving a voltage follower (discussed in Chapter 2).You will recall from the discussion on ideal …
Figure 1(a) shows a sensing scheme with single degrees of freedom with common exciting electrodes, distinct sensing and forcing electrodes, and an equivalent electronic model of the sensing circuit. 14 A high frequency signal of 1 MHz is applied to the excitation electrodes, which, together with the disc, form the capacitances C T and C …
The performance of the capacitive gap-sensing system plays a critical role in a satellite-based gravity gradiometer that is developed using an electrostatic accelerometer. The capacitive sensing gain mainly depends on the stabilized injection bias amplitude, the gain of the transformer bridge, and the trans-impedance amplifier. …
To capture the arc-induced high-frequency signals, parallel capacitors are added to the circuit. The characteristics of the currents through these capacitors permit fault detection and ...
make this series of devices an excellent choice for power detection and mixer functions at frequencies as high as 24 GHz. The main parameters of Schottky diodes used in this application note are listed in the following table. Table 1 Schottky diodes – R F T
For high frequency circuits we require to know the peak value of an input voltage waveform to compare it with reference value to improve the accuracy of the circuit. Simple peak detector circuits can miss the peak of sharp-peaked signals, which gives inaccurate value of the peak. These limitations are removed in the high speed peak detection ...