passive filter

passive filter

[′pas·iv ′fil·tər]
(electricity)
An electric filter composed of passive elements, such as resistors, inductors, or capacitors, without any active elements, such as vacuum tubes or transistors.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Filter media and passive filter life cycles have historically been based on differential pressure readings, regardless of fan speeds, or on standard maintenance settings.
Osprey Corporation
As most simple solution of the problem, a passive filter consisting of a coupling inductor and a resistor with a condenser was chosen (Fig.
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MTE Corporation of Singapore, the company behind the extensive lines of Harmonic Mitigation, Motor Protection and Power Distortion Solutions, will unveil their latest products: Matrix[R] AP, their new three-phase filter which is the most advanced passive filter on the market today, and the best-in-class SineWave Guardian(tm) filter which delivers unequaled performance in cleaning the PWM waveforms generated by Variable Frequency Drives (VFDs).
Powertrends 2018: Transforming a viable energy future through innovation
Parameters Value Line voltage 440V, 50 Hz and Frequency Ls= 0.25 mH, Lac= 1.05 mH, Line and Load C,DC = 2000 [micro]F, RL=30 [ohm], L=20 [micro]F impedance (R1 = 3 [ohm], R2 = 6 [ohm], R3 = 9 [ohm]) Cf5 = 50 [micro]F Lf5 = 8.10 mH Passive Filter Cf7 = 20 [micro]F Lf7 = 8.27 mH Cf11 = 20 [micro]F Lf11 = 8.270mH Ripple Filter CRF = 50 [micro]F, LRF = 0.68 mH Active Filter CD = 2000 [micro]F VD = 800V side Filter 3 mH coupling inductance Controller [K.sub.P] = 0.032, [K.sub.I] = 0.00004, for Series PF gain
Fuzzy Sliding Mode Based Series Hybrid Active Power Filter for Power Quality Enhancement
Figure 3 shows an example of a swept frequency transmission measurement of a passive filter. This type of filter measurement shows what happens to the signal as it passes through the component.
Stepping up to a vector network analyzer for IoT design optimization
The traditional compensation equipment is passive filter (PPF); it is inexpensive, but it cannot solve the impedance deviation caused by the mutation of the system, and it can only compensate fixed harmonics.
A Decoupling Control Method for Shunt Hybrid Active Power Filter Based on Generalized Inverse System
Freitas, "An investigation on the selection of filter topologies for passive filter applications," IEEE Transactions on Power Delivery, vol.
Design and Optimisation of a Simple Filter Group for Reactive Power Distribution
The main components of DVR are: Voltage Source Converter (VSC) injection transformer passive filter energy storage unit DC link and control system [8].
MODELING AND SIMULATION OF A DYNAMIC VOLTAGE RESTORER FOR VOLTAGE SAG MITIGATION AND HARMONICS ELIMINATION
Therefore, the filter-based current sensing technique uses the resistor [R.sub.L] of inductor L and passive filter [R.sub.f][C.sub.f], as shown in Figure 2, for accurate current sensing.
Developing a new low loss and accurate current measurement technique in ac drive motors
Here a simplified common mode passive filter is designed to aid the random modulation switching for 100 kHz central frequency for EMI suppression.
An FPGA chaos-based PWM technique combined with simple passive filter for effective EMI spectral peak reduction in DC-DC converter
It is applied to non-salient pole induction motors, surface-mounted permanent magnet synchronous motors, interior permanent magnet synchronous motors, and a second-order passive filter. Readers must already be familiar with converters allowing variable voltage supply of motors, electric motor construction and their winding technology, and power supplies in different industrial fields.
Direct eigen control for induction machines and synchronous motors

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