Power Module Design for an Ultra Efficient Three-Level Abstract :
... additional energy stored in the parasitic inductance Lparasitic causes an overvoltage at the transistor’s collector, so the energy will flow into the capacitor. This reduces the reverse current in the diode. The voltage drops in the transistor, resulting in significantly reduced switching losses. Ad ...
... additional energy stored in the parasitic inductance Lparasitic causes an overvoltage at the transistor’s collector, so the energy will flow into the capacitor. This reduces the reverse current in the diode. The voltage drops in the transistor, resulting in significantly reduced switching losses. Ad ...
Design of Lightning Arresters for Electrical Power Systems Protection
... losses, high level reliability in the operation time, high speed response to the over-voltages, simplicity of design, easier for maintenance and long life time. Accurate modeling and simulation of their dynamic characteristics are very important for arrester allocation, systems reliability and insul ...
... losses, high level reliability in the operation time, high speed response to the over-voltages, simplicity of design, easier for maintenance and long life time. Accurate modeling and simulation of their dynamic characteristics are very important for arrester allocation, systems reliability and insul ...
BDTIC www.BDTIC.com/infineon Wireless Components ASK/FSK Transmitter 868/433 MHz
... drops below 2.15 V, the output LPD (pin 2) switches to the low-state. To minimize the external component count, an internal pull-up current of 40 µA gives the output a high-state at supply voltages above 2.15 V. The output LPD (pin 2) can either be connected to ASKDTA (pin 6) to switch off the PA as ...
... drops below 2.15 V, the output LPD (pin 2) switches to the low-state. To minimize the external component count, an internal pull-up current of 40 µA gives the output a high-state at supply voltages above 2.15 V. The output LPD (pin 2) can either be connected to ASKDTA (pin 6) to switch off the PA as ...
Advanced Protection, Automation, and Control Functions
... current goes through a zero crossing every 0.5 cycle. The derivative of the current (di/dt) also has a zero crossing every 0.5 cycle, but the zero crossing of the current derivative is offset by 0.25 cycle (90 degrees) to that of the zero crossing of the current. Therefore, when current flows throug ...
... current goes through a zero crossing every 0.5 cycle. The derivative of the current (di/dt) also has a zero crossing every 0.5 cycle, but the zero crossing of the current derivative is offset by 0.25 cycle (90 degrees) to that of the zero crossing of the current. Therefore, when current flows throug ...
AN-34 - Pumpkin, Inc.
... Printed Circuit) connector2 due to space and mass considerations. A JFPC adapter from Softbaugh, Inc.3 is used to convert the FPC connector to the standard 2x7 JTAG MSP430 header. The JFPC adapter is pinned out as an internal power adapter. The FM430 Flight Module + JFPC adapter combination results ...
... Printed Circuit) connector2 due to space and mass considerations. A JFPC adapter from Softbaugh, Inc.3 is used to convert the FPC connector to the standard 2x7 JTAG MSP430 header. The JFPC adapter is pinned out as an internal power adapter. The FM430 Flight Module + JFPC adapter combination results ...
Selection of Capacitance for Compensated Self Excited Induction Generator Using Meta-Heuristic Approach
... particularly wind. This is attributed to the salient features of IG such as: robustness, maintenance free, short- circuit protection capability and absence of separate DC excitation system [1-3]. IG could be operated either grid-connected or off-line; for the case of grid-connected, the reactive pow ...
... particularly wind. This is attributed to the salient features of IG such as: robustness, maintenance free, short- circuit protection capability and absence of separate DC excitation system [1-3]. IG could be operated either grid-connected or off-line; for the case of grid-connected, the reactive pow ...
Aluminum Electrolytic Capacitors in Power Electronics
... • It is a lumped-parameter component • It is one resistor that would dissipate the same amount of power as the capacitor is dissipating • This pretend resistor is in series with the capacitor • ESR increases at cold temperatures and below about 10 kHz • Ripple current flow thru the ESR heats the cap ...
... • It is a lumped-parameter component • It is one resistor that would dissipate the same amount of power as the capacitor is dissipating • This pretend resistor is in series with the capacitor • ESR increases at cold temperatures and below about 10 kHz • Ripple current flow thru the ESR heats the cap ...
Determining Electric Motor Load and Efficiency
... devices, software methods, and analytical methods. The special devices package all or most of the required instrumentation in a portable box. Software and analytical methods require generic portable instruments for measuring watts, vars, resistance, volts, amps, and speed. These need to be instrumen ...
... devices, software methods, and analytical methods. The special devices package all or most of the required instrumentation in a portable box. Software and analytical methods require generic portable instruments for measuring watts, vars, resistance, volts, amps, and speed. These need to be instrumen ...
Active photonics devices
... radiation, which causes a temperature change, consequently altering the physical properties of the ...
... radiation, which causes a temperature change, consequently altering the physical properties of the ...
2014 Amateur Radio Catalog
... A Pi-Network tuned input using slug tuned coils provides a good 50 ohm load for your rig. A quiet internal fan draws in cool air over power supply components and pressurizes the tube compartment. Grid current, plate current and forward Inside PEP output power are continuously moni- view ...
... A Pi-Network tuned input using slug tuned coils provides a good 50 ohm load for your rig. A quiet internal fan draws in cool air over power supply components and pressurizes the tube compartment. Grid current, plate current and forward Inside PEP output power are continuously moni- view ...
Keysight Technologies High Speed Lightwave Component Analysis
... electrical signal is varied. As the frequency of modulation increases, eventually the conversion efficiency will degrade or “roll off.” The frequency where the conversion efficiency drops to 0.707 of the maximum is the “–3 dB point” (when data is displayed logarithmically) and determines a transmitt ...
... electrical signal is varied. As the frequency of modulation increases, eventually the conversion efficiency will degrade or “roll off.” The frequency where the conversion efficiency drops to 0.707 of the maximum is the “–3 dB point” (when data is displayed logarithmically) and determines a transmitt ...
Electrical Engineering - GCET
... NOTE : There shall be total eight questions, four from each section. Five questions have to be attempted selecting at least two questions from each section. Use of calculator is allowed. ...
... NOTE : There shall be total eight questions, four from each section. Five questions have to be attempted selecting at least two questions from each section. Use of calculator is allowed. ...
Modified droop control scheme for load sharing
... control (Guerrero et al. 2004). The real or active power (P) and reactive power (Q) outputs of the DGs are regulated by controlling the frequency and voltage of the inverter, respectively. The control approach is thus based on P-ω and Q-V relationships and assumes that P and Q are decoupled. As the ...
... control (Guerrero et al. 2004). The real or active power (P) and reactive power (Q) outputs of the DGs are regulated by controlling the frequency and voltage of the inverter, respectively. The control approach is thus based on P-ω and Q-V relationships and assumes that P and Q are decoupled. As the ...
Inductance in DC Circuits
... • When a battery is connected across a "pure" inductance, the current builds up to its final value at a rate determined by the battery voltage and the internal resistance of the battery. • The current buildup is gradual because of the counter emf generated by the self-inductance of the coil. • When ...
... • When a battery is connected across a "pure" inductance, the current builds up to its final value at a rate determined by the battery voltage and the internal resistance of the battery. • The current buildup is gradual because of the counter emf generated by the self-inductance of the coil. • When ...
section 260913 - electrical power monitoring
... Voltage: Measurement autoranging, 60- to 400-V ac L-N.[ Connect directly to low-voltage (600 V and less) without using voltage transformers.] [ Connect to instrument grade potential transformers secondary at 120 V.] Meter impedance shall be 2-megohm L-L or greater. Overload Tolerance: 1500-V ac, rms ...
... Voltage: Measurement autoranging, 60- to 400-V ac L-N.[ Connect directly to low-voltage (600 V and less) without using voltage transformers.] [ Connect to instrument grade potential transformers secondary at 120 V.] Meter impedance shall be 2-megohm L-L or greater. Overload Tolerance: 1500-V ac, rms ...