Reference Design Report for a 150 W Power Factor Corrected LLC
... inductance in Henries, and CR is the value of the resonating capacitor (C30) in Farads. The transformer turns ratio was set by adjusting the primary turns such that the operating frequency at nominal input voltage and full load is close to, but slightly less than, the previously described resonant f ...
... inductance in Henries, and CR is the value of the resonating capacitor (C30) in Farads. The transformer turns ratio was set by adjusting the primary turns such that the operating frequency at nominal input voltage and full load is close to, but slightly less than, the previously described resonant f ...
Aalborg Universitet Active harmonic filtering using current-controlled, grid-connected DG units with
... grid-connected DG units is becoming an interesting topic [512], where the ancillary harmonic compensation capability is integrated with the DG primary power generation function through modifying control references. This idea is especially attractive considering that the available power from backstag ...
... grid-connected DG units is becoming an interesting topic [512], where the ancillary harmonic compensation capability is integrated with the DG primary power generation function through modifying control references. This idea is especially attractive considering that the available power from backstag ...
MAX8896 Dual PWM Step-Down Converter in a 2mm x General Description
... for powering the power amplifier (PA) and RF transceiver in WCDMA handsets. This device integrates a highefficiency PWM step-down converter (OUT1) for medium and low-power transmission, and a 140mΩ (typ) bypass FET to power the PA directly from the battery during high-power transmission. A second hi ...
... for powering the power amplifier (PA) and RF transceiver in WCDMA handsets. This device integrates a highefficiency PWM step-down converter (OUT1) for medium and low-power transmission, and a 140mΩ (typ) bypass FET to power the PA directly from the battery during high-power transmission. A second hi ...
Axials Series C4C, C4G, C4H, C4M, C4T
... develop after many hours of satisfactory operation. There are several causes which could be associated with operational failures. If the device is operating at or below its maximum rated conditions, most dielectric materials gradually deteriorate with time and temperature to the point of eventual fa ...
... develop after many hours of satisfactory operation. There are several causes which could be associated with operational failures. If the device is operating at or below its maximum rated conditions, most dielectric materials gradually deteriorate with time and temperature to the point of eventual fa ...
SM 3300 - series SM 18-220 SM 66-AR-110 SM 100-AR-75
... maximum output current is 205A. When using it on 17V, the maximum current is 220A. On 230VAC single phase the power is derated to approximately 3000W, thus delivering maximum 18V / 166A or 13.5V / 220A. For the SM18-220 the full range of 18V and 220A (=4000W) cannot be used simultaneously because th ...
... maximum output current is 205A. When using it on 17V, the maximum current is 220A. On 230VAC single phase the power is derated to approximately 3000W, thus delivering maximum 18V / 166A or 13.5V / 220A. For the SM18-220 the full range of 18V and 220A (=4000W) cannot be used simultaneously because th ...
understanding voltage stability - Sacramento
... caused by voltage instability increases. There has been a lot of new research in the area of voltage stability analytical methods, though it is not nearly as developed as frequency or angular stability. It is all very exciting and confusing on which method will prevail. An understanding of the basic ...
... caused by voltage instability increases. There has been a lot of new research in the area of voltage stability analytical methods, though it is not nearly as developed as frequency or angular stability. It is all very exciting and confusing on which method will prevail. An understanding of the basic ...
Advances in Environmental Biology
... University. The most important contents of this module include of unbalanced voltage principle and its effects on power system equipment. The definition of unbalance voltage is introduced, analyzed and finally the effects of unbalance voltage on operation of adjustable speed drives (ASDs) and induct ...
... University. The most important contents of this module include of unbalanced voltage principle and its effects on power system equipment. The definition of unbalance voltage is introduced, analyzed and finally the effects of unbalance voltage on operation of adjustable speed drives (ASDs) and induct ...
PLD Application Guide - Portable PA
... In devices where the current waveform is still sinusoidal but shifted out of phase with the voltage, as often happens with AC motors under various load conditions, or is not sinusoidal, as with most electronic power supplies, the power factor is somewhat less than 1. That means the AC mains actually ...
... In devices where the current waveform is still sinusoidal but shifted out of phase with the voltage, as often happens with AC motors under various load conditions, or is not sinusoidal, as with most electronic power supplies, the power factor is somewhat less than 1. That means the AC mains actually ...
SCR Power Theory Training Manual
... Why do we need power control or an SCR? SCR’s are devices that switch the power to a heater or load to provide control. Precise control of the load results in holding tighter temperatures and typically provides the user with better reproducibility and consistency in the process. A typical applicatio ...
... Why do we need power control or an SCR? SCR’s are devices that switch the power to a heater or load to provide control. Precise control of the load results in holding tighter temperatures and typically provides the user with better reproducibility and consistency in the process. A typical applicatio ...
Catalogue BIORiphaso MV
... of the power factor correction banks are fully executed within companies of the Group; that guarantees the achievement of the highest quality standard weather of the metalized film or, consequently, the capacitors manufactured. Furthermore, the know how acquired in almost 50 years of metalized film ...
... of the power factor correction banks are fully executed within companies of the Group; that guarantees the achievement of the highest quality standard weather of the metalized film or, consequently, the capacitors manufactured. Furthermore, the know how acquired in almost 50 years of metalized film ...
Determination of Voltage Stability Index using Eigen Ratio
... Voltage stability is crucial in operation of interconnected power system. The ability of the power system to maintain acceptable voltages at all the buses in the system under normal operating conditions and even after being subjected to disturbance is defined as Voltage Stability [1]. But, nowadays ...
... Voltage stability is crucial in operation of interconnected power system. The ability of the power system to maintain acceptable voltages at all the buses in the system under normal operating conditions and even after being subjected to disturbance is defined as Voltage Stability [1]. But, nowadays ...
SOLiC 200 Installation instructions
... sensor plug to pass through. Fit the grommet and cable together into the central access hole. Alternatively, in situations where conduit or trunking is used, the sensor cable can feed through the same space as the power cables. The small grommet should be fitted to seal the SOLiC 200. v. Plug the lo ...
... sensor plug to pass through. Fit the grommet and cable together into the central access hole. Alternatively, in situations where conduit or trunking is used, the sensor cable can feed through the same space as the power cables. The small grommet should be fitted to seal the SOLiC 200. v. Plug the lo ...
SKY77761-12 数据资料DataSheet下载
... match into a 50-ohm load, realized off-chip within the module package, optimizes efficiency and power performance. The SKY77761-12 is manufactured with Skyworks’ InGaP GaAs Heterojunction Bipolar Transistor (HBT) process which provides for all positive voltage DC supply operation and maintains high ...
... match into a 50-ohm load, realized off-chip within the module package, optimizes efficiency and power performance. The SKY77761-12 is manufactured with Skyworks’ InGaP GaAs Heterojunction Bipolar Transistor (HBT) process which provides for all positive voltage DC supply operation and maintains high ...
eet 3086 switchgear and protection
... differential protection system, which superficially, cannot be distinguished from a current unbalance caused by a fault in the transformer. When magnetizing inrush is severe, the current unbalance may easily exceed the current required to trip the differential relay and cause undesired disconnection ...
... differential protection system, which superficially, cannot be distinguished from a current unbalance caused by a fault in the transformer. When magnetizing inrush is severe, the current unbalance may easily exceed the current required to trip the differential relay and cause undesired disconnection ...
Zero-voltage switching for three-level capacitor clamping
... high-voltage high-power installation ( 1 MVA) is demanded. On the other hand, hard-switching frequency of the present high-power IGBT components is severely limited to a few kilohertz or even less [9], [10] due to the enormous switching loss. Besides the voltage/current spikes resulting from turn-on ...
... high-voltage high-power installation ( 1 MVA) is demanded. On the other hand, hard-switching frequency of the present high-power IGBT components is severely limited to a few kilohertz or even less [9], [10] due to the enormous switching loss. Besides the voltage/current spikes resulting from turn-on ...
power meter pw3336/pw3337
... Connect multiple instruments to synchronize their operation, including display updates, data updates, and start of integration. Measure all data with simultaneous parallel processing, including RMS values, mean values, fundamental wave components, THD, and harmonic components. Wide frequency band fr ...
... Connect multiple instruments to synchronize their operation, including display updates, data updates, and start of integration. Measure all data with simultaneous parallel processing, including RMS values, mean values, fundamental wave components, THD, and harmonic components. Wide frequency band fr ...
Power and Grounding for Audio and Audio/Video
... With the exception of a few very large power amplifiers and video projectors, virtually all audio and video equipment sold in North America utilizes single-phase 60 Hz power at 120V. Few individual pieces of equipment require more than 20A; most require far less current. The largest projectors and a ...
... With the exception of a few very large power amplifiers and video projectors, virtually all audio and video equipment sold in North America utilizes single-phase 60 Hz power at 120V. Few individual pieces of equipment require more than 20A; most require far less current. The largest projectors and a ...
Medium Voltage Variable Frequency Drives
... was developed into practical products. Because of thyristor structure, GTOs can have blocking voltages as high as 6kV and can turn off as much as several thousand amperes of current. The turn-off gain is around 3 to 4; that is, it takes 1/4 to 1/3 of the anode current as a negative current in the ga ...
... was developed into practical products. Because of thyristor structure, GTOs can have blocking voltages as high as 6kV and can turn off as much as several thousand amperes of current. The turn-off gain is around 3 to 4; that is, it takes 1/4 to 1/3 of the anode current as a negative current in the ga ...
Power factor
In electrical engineering, the power factor of an AC electrical power system is defined as the ratio of the real power flowing to the load to the apparent power in the circuit, and is a dimensionless number in the closed interval of -1 to 1. A power factor of less than one means that the voltage and current waveforms are not in phase, reducing the instantaneous product of the two waveforms (V x I). Real power is the capacity of the circuit for performing work in a particular time. Apparent power is the product of the current and voltage of the circuit. Due to energy stored in the load and returned to the source, or due to a non-linear load that distorts the wave shape of the current drawn from the source, the apparent power will be greater than the real power. A negative power factor occurs when the device (which is normally the load) generates power, which then flows back towards the source, which is normally considered the generator.In an electric power system, a load with a low power factor draws more current than a load with a high power factor for the same amount of useful power transferred. The higher currents increase the energy lost in the distribution system, and require larger wires and other equipment. Because of the costs of larger equipment and wasted energy, electrical utilities will usually charge a higher cost to industrial or commercial customers where there is a low power factor.Linear loads with low power factor (such as induction motors) can be corrected with a passive network of capacitors or inductors. Non-linear loads, such as rectifiers, distort the current drawn from the system. In such cases, active or passive power factor correction may be used to counteract the distortion and raise the power factor. The devices for correction of the power factor may be at a central substation, spread out over a distribution system, or built into power-consuming equipment.