Field assessment of induction motor efficiency
... of the IEEE 112 standard [2] can be quite accurate for conventional induction motor field efficiency assessments. The waveforms acquired by the air-gap torque method may be used to calculate the power and harmonic content in detail. However, this is not the most important difference between the air- ...
... of the IEEE 112 standard [2] can be quite accurate for conventional induction motor field efficiency assessments. The waveforms acquired by the air-gap torque method may be used to calculate the power and harmonic content in detail. However, this is not the most important difference between the air- ...
Proposal for Design and Test of a ESS TDR Contribution
... and higher harmonic content in the output wavefront are also the highest. The other penalty to be paid for this increase in efficiency is a reduction in gain because the tube must be driven harder. We propose to operate the tetrode TH 595 in class B instead, thus achieving lower harmonic distortion ...
... and higher harmonic content in the output wavefront are also the highest. The other penalty to be paid for this increase in efficiency is a reduction in gain because the tube must be driven harder. We propose to operate the tetrode TH 595 in class B instead, thus achieving lower harmonic distortion ...
Greenslade Coils
... Fig. 10 Induction coil by Apps of London, in the Greenslade Collection. The Willyoung coil (Fig. 11) on display at the Garland Collection at Vanderbilt University is truly impressive. This coil has been discussed by the late Prof. Robert Lagemann of Vanderbilt (ref. 8) who noted that the long inner ...
... Fig. 10 Induction coil by Apps of London, in the Greenslade Collection. The Willyoung coil (Fig. 11) on display at the Garland Collection at Vanderbilt University is truly impressive. This coil has been discussed by the late Prof. Robert Lagemann of Vanderbilt (ref. 8) who noted that the long inner ...
Group 1: Magnetism
... Explain and describe why the speed of light is the universal speed limit Explain, describe and discuss length contraction Describe and discuss relativistic length contraction mathematically Explain and describe the mass-energy relationship Describe and discuss nuclear reactions in terms of ...
... Explain and describe why the speed of light is the universal speed limit Explain, describe and discuss length contraction Describe and discuss relativistic length contraction mathematically Explain and describe the mass-energy relationship Describe and discuss nuclear reactions in terms of ...
Design of AC-DC Grid Connected Converter using Multi
... algorithm is understood. In the case of described GCC the considered optimization parameters are marked in Fig. 1. By the optimization procedure type of used power semiconductors or DC-link capacitors (converter elements) as well as DC-link voltage level or switching frequency (converter variables) ...
... algorithm is understood. In the case of described GCC the considered optimization parameters are marked in Fig. 1. By the optimization procedure type of used power semiconductors or DC-link capacitors (converter elements) as well as DC-link voltage level or switching frequency (converter variables) ...
A Monolithic High-Efficiency 2.4-GHz 20-dBm SiGe BiCMOS Envelope-Tracking OFDM Power Amplifier
... supply voltage tracks the long-term average of the output envelope, it is known as average ET (AET) [18], [19]. AET techniques are especially useful for power control schemes, such as the reverse link in CDMA, where the long-term variation in average power is much greater than 20 dB [8]. However, th ...
... supply voltage tracks the long-term average of the output envelope, it is known as average ET (AET) [18], [19]. AET techniques are especially useful for power control schemes, such as the reverse link in CDMA, where the long-term variation in average power is much greater than 20 dB [8]. However, th ...
A Greedy Heuristic Algorithm for Flip
... Where Pclk is clock power, fclk is the clock frequency, Vdd is the supply voltage, and Cclk is the switching capacitance included in the gate capacitance of flip-flops. During clock tree synthesis, less number of flip-flops means less number of clock sinks. Thus the resulting clock network would hav ...
... Where Pclk is clock power, fclk is the clock frequency, Vdd is the supply voltage, and Cclk is the switching capacitance included in the gate capacitance of flip-flops. During clock tree synthesis, less number of flip-flops means less number of clock sinks. Thus the resulting clock network would hav ...
Antenna Factor v4
... 3.3.1 Open End Guide (200 – 450 MHz) • For an open end guide having a width to height aspect ratio of 2:1 ...
... 3.3.1 Open End Guide (200 – 450 MHz) • For an open end guide having a width to height aspect ratio of 2:1 ...
Volume/Weight/Cost Comparison of a 1 MVA 10kV/400V
... systems such as for example FACTS and STATCOMs. While almost three decades until the concept was seriously considered these technologies can enhance the functionality of passive for grid level ratings around the onset of the 21st century [2]–[6]. Whereas this paper focuses on grid applications, SSTs ...
... systems such as for example FACTS and STATCOMs. While almost three decades until the concept was seriously considered these technologies can enhance the functionality of passive for grid level ratings around the onset of the 21st century [2]–[6]. Whereas this paper focuses on grid applications, SSTs ...
SR integrated charger - Aston Publications Explorer
... design for EV charging [21] but it suffers from low charging power (<3 kW) and high harmonic contents in the back electromotive force (EMF). Compared to PM motor drives, reluctance motor drives are more suited for mass production EV/PHEV applications primarily owing to their rare earth-free feature ...
... design for EV charging [21] but it suffers from low charging power (<3 kW) and high harmonic contents in the back electromotive force (EMF). Compared to PM motor drives, reluctance motor drives are more suited for mass production EV/PHEV applications primarily owing to their rare earth-free feature ...
Application Report www.BDTIC.com/TI Understanding Boost Power
... is a common simplification and involves two separate effects. First, the output capacitor is assumed to be large enough so that its voltage change is negligible. Second, the voltage due to the capacitor ESR is assumed to be negligible. These assumptions are valid because the ac ripple voltage is des ...
... is a common simplification and involves two separate effects. First, the output capacitor is assumed to be large enough so that its voltage change is negligible. Second, the voltage due to the capacitor ESR is assumed to be negligible. These assumptions are valid because the ac ripple voltage is des ...
Design Methodology for Transformers Including Integrated
... Total resonant inductance is always affected by the transformer leakage inductance. The push-pull configuration of the LLC resonant converter is sensitive to the leakage inductance balance. The resonant frequency differs for each half switching cycle, which results in primary and mainly secondary cu ...
... Total resonant inductance is always affected by the transformer leakage inductance. The push-pull configuration of the LLC resonant converter is sensitive to the leakage inductance balance. The resonant frequency differs for each half switching cycle, which results in primary and mainly secondary cu ...
Snubber Circuit for Buck Converter IC : Power Management
... decreased by a factor of 2. In this example, aim for a frequency of 108.7 MHz, which is a half of 217.4 MHz. As ...
... decreased by a factor of 2. In this example, aim for a frequency of 108.7 MHz, which is a half of 217.4 MHz. As ...
ETS1201 Series Fixed Wireless Terminal Maintenance Manual
... (TUTU) and the section enclosed by the dashed line is the SLIC interface module. The SLIC interface module consists of the SI3210 chip supplied by the Silicon Laboratory and some peripheral circuits. The chip can provide the SLIC, codec, DC-DC circuit, Dual-Tone Multi-frequency (DTMF) detection, and ...
... (TUTU) and the section enclosed by the dashed line is the SLIC interface module. The SLIC interface module consists of the SI3210 chip supplied by the Silicon Laboratory and some peripheral circuits. The chip can provide the SLIC, codec, DC-DC circuit, Dual-Tone Multi-frequency (DTMF) detection, and ...
High-Availability Power Systems, Part I
... conditions, AC power from the utility passes straight through the UPS to the critical load. A charger or “4-quadrant converter” converts AC power to DC to charge the battery. The inverter is used to convert the DC power from the battery to create AC power to support the load when the utility fails. ...
... conditions, AC power from the utility passes straight through the UPS to the critical load. A charger or “4-quadrant converter” converts AC power to DC to charge the battery. The inverter is used to convert the DC power from the battery to create AC power to support the load when the utility fails. ...
