A Voltage Controlled PFCCUK Converter Based PMBLDC Drive
... current and its high crest factor (CF). The power quality (PQ) disturbances at AC mains of a PMBLDCMD are represented in terms of various power quality indices such as PF, CF, total harmonic distortion (THDi) of AC mains current, displacementpower factor (DPF) and ripples in DC link voltage(@Vdc). C ...
... current and its high crest factor (CF). The power quality (PQ) disturbances at AC mains of a PMBLDCMD are represented in terms of various power quality indices such as PF, CF, total harmonic distortion (THDi) of AC mains current, displacementpower factor (DPF) and ripples in DC link voltage(@Vdc). C ...
Lecture 37
... But we can use a lower turns ratio that leads to lower reflected current in Q1: id-on = P/DVg = (200W) / (0.5)(350 V) = 1.15 A Conclusion: the active clamp circuit resets the forward converter transformer better. The designer can use this fact to better optimize the converter, by reducing the transi ...
... But we can use a lower turns ratio that leads to lower reflected current in Q1: id-on = P/DVg = (200W) / (0.5)(350 V) = 1.15 A Conclusion: the active clamp circuit resets the forward converter transformer better. The designer can use this fact to better optimize the converter, by reducing the transi ...
AN-806 Data Transmission Lines and Their Characteristics (Rev. A)
... sections—rather, it is a distributed network. For the lumped model to accurately represent the transmission line (see Figure 5 ), the section length must be quite small in comparison with the shortest wavelengths (highest frequencies) to be used in analysis of the model. Within these limits, as diff ...
... sections—rather, it is a distributed network. For the lumped model to accurately represent the transmission line (see Figure 5 ), the section length must be quite small in comparison with the shortest wavelengths (highest frequencies) to be used in analysis of the model. Within these limits, as diff ...
IOSR Journal of Electrical and Electronics Engineering PP 01-06 www.iosrjournals.org
... electronics-based devices, customers‟ equipment has become more sensitive to voltage sags. Because voltage sags have become a major power quality concern, investigations of techniques of mitigating voltage sags have received a lot of attention. Some conventional devices are able to mitigate voltage ...
... electronics-based devices, customers‟ equipment has become more sensitive to voltage sags. Because voltage sags have become a major power quality concern, investigations of techniques of mitigating voltage sags have received a lot of attention. Some conventional devices are able to mitigate voltage ...
Voltage detector with sense input and external
... VSEN voltage exceeds the VDET threshold (see Figure 5 with calculations for more details). Any external leakage due to poor quality timing capacitors or excessive humidity may cause a significant leakage current which extends the tCD timing. To minimize this effect, the PCB tracks between the CD pin ...
... VSEN voltage exceeds the VDET threshold (see Figure 5 with calculations for more details). Any external leakage due to poor quality timing capacitors or excessive humidity may cause a significant leakage current which extends the tCD timing. To minimize this effect, the PCB tracks between the CD pin ...
P. LeClair
... 2. The electric potential difference between two points does not depend on the path taken 3. The electric potential about any closed path that returns to its starting point is zero Actually, any one of these facts implies the other two, but it is important to keep all three in mind. How these three ...
... 2. The electric potential difference between two points does not depend on the path taken 3. The electric potential about any closed path that returns to its starting point is zero Actually, any one of these facts implies the other two, but it is important to keep all three in mind. How these three ...
AEG - Electric Motors - Koronka Manufacturing
... Motors with regreasing device have to be regreased after 2 years at the latest with the double quantity of grease indicated on the nameplate. Hereby the rotor has to be rotated. When motors are stored for over 4 years, change grease. The rotor has to be rotated every month by approx. 30 degrees, in ...
... Motors with regreasing device have to be regreased after 2 years at the latest with the double quantity of grease indicated on the nameplate. Hereby the rotor has to be rotated. When motors are stored for over 4 years, change grease. The rotor has to be rotated every month by approx. 30 degrees, in ...
A Simplified Active Input EMI Filter of Common-mode Voltage Cancellation
... and passive electromagnetic interference (EMI) filters in order to solve practical problems and improve the passive EMI filter performance. First, the basic active filter topologies are discussed and the basis of discussion is based on an equivalent circuit model, which includes the possible combina ...
... and passive electromagnetic interference (EMI) filters in order to solve practical problems and improve the passive EMI filter performance. First, the basic active filter topologies are discussed and the basis of discussion is based on an equivalent circuit model, which includes the possible combina ...
TVS Diode Array SP721 Lead-Free/Green Datasheet
... ESD and over-voltage protection to sensitive input circuits. The SP721 has 2 protection SCR/Diode device structures per input. There are a total of 6 available inputs that can be used to protect up to 6 external signal or bus lines. Overvoltage protection is from the IN (Pins 1 - 3 and Pins 5 - 7) t ...
... ESD and over-voltage protection to sensitive input circuits. The SP721 has 2 protection SCR/Diode device structures per input. There are a total of 6 available inputs that can be used to protect up to 6 external signal or bus lines. Overvoltage protection is from the IN (Pins 1 - 3 and Pins 5 - 7) t ...
Aalborg Universitet Infrastructure (AMI)
... head and the Internet-based on TCP/IP. Some tests have been done based on these to communication methods. There are also some other communication technologies used for smart meter system based smart grid, such as radio mess, power line carrier (PLC), Zigbee, 3G, GPRS and so on. In smart grid applica ...
... head and the Internet-based on TCP/IP. Some tests have been done based on these to communication methods. There are also some other communication technologies used for smart meter system based smart grid, such as radio mess, power line carrier (PLC), Zigbee, 3G, GPRS and so on. In smart grid applica ...
Symptom Chart
... At what RPM should the voltage drop tests be done at? __________________________ A voltage drop of more than ____________________ indicates high resistance in the B+ circuit. A voltage drop of more than ____________________ indicates high resistance in the ground circuit. When checking for AC diode ...
... At what RPM should the voltage drop tests be done at? __________________________ A voltage drop of more than ____________________ indicates high resistance in the B+ circuit. A voltage drop of more than ____________________ indicates high resistance in the ground circuit. When checking for AC diode ...
nti-power_quality_at.. - IDEAL INDUSTRIES, INC.
... How do we compare voltage over time to these Standards If outside the range, timer starts, measures in cycles per second to the end of the event are taking. • When an event is detected, – The voltage of the event should be logged – The duration of the event should be logged – The day/date/time to th ...
... How do we compare voltage over time to these Standards If outside the range, timer starts, measures in cycles per second to the end of the event are taking. • When an event is detected, – The voltage of the event should be logged – The duration of the event should be logged – The day/date/time to th ...
Sensor-less Three-phase Brushless DC Motor Controller
... speed control. A robust startup algorithm combined with OTP registers for important system parameters make this IC a solution of choice for many BLDC applications which need to turn a motor in one direction only such as pumps, fans, etc. No detailed BLDC commutation knowledge is necessary. ...
... speed control. A robust startup algorithm combined with OTP registers for important system parameters make this IC a solution of choice for many BLDC applications which need to turn a motor in one direction only such as pumps, fans, etc. No detailed BLDC commutation knowledge is necessary. ...
Evaluates: MAX8550/MAX8550A/MAX8551 MAX8550 Evaluation Kit General Description Features
... Setting the Buck Regulator Output Voltage (VDDQ) The output voltage of the buck regulator is preset to 2.5V on the MAX8550 EV kit for DDR memory applications. To pin-strap the output voltage to 1.8V follow the steps below: 1) Remove R9. 2) Solder the 0Ω resistor from step 1 in the R7 location. Refer ...
... Setting the Buck Regulator Output Voltage (VDDQ) The output voltage of the buck regulator is preset to 2.5V on the MAX8550 EV kit for DDR memory applications. To pin-strap the output voltage to 1.8V follow the steps below: 1) Remove R9. 2) Solder the 0Ω resistor from step 1 in the R7 location. Refer ...
MAX6365–MAX6368 SOT23, Low-Power µP Supervisory Circuits with Battery Backup and Chip-Enable Gating
... 2) Internally control VCC to backup-battery switching to maintain data or low-power operation for CMOS RAM, CMOS µPs, real-time clocks, and other digital logic when the main supply fails. 3) Provide memory write protection through internal chip-enable gating during supply or processor faults. 4) Inc ...
... 2) Internally control VCC to backup-battery switching to maintain data or low-power operation for CMOS RAM, CMOS µPs, real-time clocks, and other digital logic when the main supply fails. 3) Provide memory write protection through internal chip-enable gating during supply or processor faults. 4) Inc ...
8413S12BI-126 - Integrated Device Technology
... NOTE: All HCSL output banks running at 100MHz. NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when the device is mounted in a test socket with maintained transverse airflow greater than 500 lfpm. The device will meet specificat ...
... NOTE: All HCSL output banks running at 100MHz. NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when the device is mounted in a test socket with maintained transverse airflow greater than 500 lfpm. The device will meet specificat ...
ADN4668 数据手册DataSheet 下载
... signaling (LVDS) line receiver offering data rates of over 400 Mbps (200 MHz) and ultralow power consumption. It features a flowthrough pin configuration for easy PCB layout and separation of input and output signals. The device accepts low voltage (310 mV typical) differential input signals and con ...
... signaling (LVDS) line receiver offering data rates of over 400 Mbps (200 MHz) and ultralow power consumption. It features a flowthrough pin configuration for easy PCB layout and separation of input and output signals. The device accepts low voltage (310 mV typical) differential input signals and con ...
BH1715FVC
... Measurement time (integration time) of H-Resolution Mode is so long that some kind of noise(including in 50Hz / 60Hz noise) is rejected. And H-Resolution Mode is 1 lx resolution so that it is suitable for darkness (less than 10 lx) ●Explanation of Asynchronous reset and Reset command "0000_0111" 1) ...
... Measurement time (integration time) of H-Resolution Mode is so long that some kind of noise(including in 50Hz / 60Hz noise) is rejected. And H-Resolution Mode is 1 lx resolution so that it is suitable for darkness (less than 10 lx) ●Explanation of Asynchronous reset and Reset command "0000_0111" 1) ...
Evaluate: MAX2472/MAX2473 MAX2472/MAX2473 Evaluation Kits General Description Features
... This section describes the circuitry surrounding the IC in the MAX2472/MAX2473 EV kits. For more detailed information covering device operation, please consult the MAX2472/MAX2473 data sheet. Figure 1 shows the schematic for the MAX2472/ MAX2473 EV kits. Input capacitors C7 and C8 are 100pF DC-block ...
... This section describes the circuitry surrounding the IC in the MAX2472/MAX2473 EV kits. For more detailed information covering device operation, please consult the MAX2472/MAX2473 data sheet. Figure 1 shows the schematic for the MAX2472/ MAX2473 EV kits. Input capacitors C7 and C8 are 100pF DC-block ...
ICTD-100CP / ICTD-101CP ICTD-102CP / ICTD
... This document contains informa&on intended to aid in the proper installa&on and opera&on of the product described. Although this informa&on will prove useful to the properly trained and qualified user, it is not prac&cal to cover every possible situa&on, installa&on con&ngency, or other detail. It is ...
... This document contains informa&on intended to aid in the proper installa&on and opera&on of the product described. Although this informa&on will prove useful to the properly trained and qualified user, it is not prac&cal to cover every possible situa&on, installa&on con&ngency, or other detail. It is ...