S. Lim, J. Ranson, D.M. Otten, and D.J. Perreault, “Two-Stage Power Conversion Architecture for an LED Driver Circuit,” 2013 IEEE Applied Power Electronics Conference , pp. 854-861, March 2013.
... The system architecture we adopt targets LED driver circuits operating at low-to-moderate power levels and wide-ranging, grid-scale input voltages. We introduce circuit implementations and controls suitable for power levels of up to a few tens of watts, wide-range input voltages of up to 200 V (e.g. ...
... The system architecture we adopt targets LED driver circuits operating at low-to-moderate power levels and wide-ranging, grid-scale input voltages. We introduce circuit implementations and controls suitable for power levels of up to a few tens of watts, wide-range input voltages of up to 200 V (e.g. ...
Overview of the MECP Program The Mobile Electronics Certified
... For each level of certification, there is a corresponding study guide and exam. Technicians are encouraged to purchase a study guide as this is the most effective way to study for and pass an exam. Passing the MECP exam with a score of 70 or better on each section is required to achieve certif ...
... For each level of certification, there is a corresponding study guide and exam. Technicians are encouraged to purchase a study guide as this is the most effective way to study for and pass an exam. Passing the MECP exam with a score of 70 or better on each section is required to achieve certif ...
eriii14_power_systems2
... o There are two primary sources of electrical power to drive your vehicle, batteries or wall outlets. In the United States, electricity from the wall outlet is 115 VAC at 60 Hz. This source is not recommended for most underwater vehicle projects, especially for beginners or school groups because of ...
... o There are two primary sources of electrical power to drive your vehicle, batteries or wall outlets. In the United States, electricity from the wall outlet is 115 VAC at 60 Hz. This source is not recommended for most underwater vehicle projects, especially for beginners or school groups because of ...
Options - MTE - Meter Test Equipment
... frequency, power factor, error measurement, vector diagram Accuracy 0.2 % Options: CALSOFT I Software Clamp-on CTs up to 120 A (Measuring range 100 mA … 120 A, ...
... frequency, power factor, error measurement, vector diagram Accuracy 0.2 % Options: CALSOFT I Software Clamp-on CTs up to 120 A (Measuring range 100 mA … 120 A, ...
The eye on medium-voltage switchgear
... With ever-increasing power demands, electric utilities find themselves in a race to maximize the reliability of their electrical assets while minimizing downtime. As a critical junction point in power distribution, medium-voltage switchgear represents one of the most vulnerable links in the power gr ...
... With ever-increasing power demands, electric utilities find themselves in a race to maximize the reliability of their electrical assets while minimizing downtime. As a critical junction point in power distribution, medium-voltage switchgear represents one of the most vulnerable links in the power gr ...
Wall Presentation
... The repeaters were designed to be wireless device aggregation points as a key component in their network. They needed a power supply that would provide superior power density and reliability for their customer, a global Tier 1 provider. With ISO standards driving their organization, quality and reli ...
... The repeaters were designed to be wireless device aggregation points as a key component in their network. They needed a power supply that would provide superior power density and reliability for their customer, a global Tier 1 provider. With ISO standards driving their organization, quality and reli ...
Microsoft Word Format - University of Toronto Physics
... Figure III-4: A.C. Voltage Impressed on the D.C. Bias of a Gunn Diode. voltage waveform amplitude at the device terminals is large enough to cause the voltage to fall below threshold ET over a portion of each cycle. The domain transit time must be less than the resonant period of the circuit so tha ...
... Figure III-4: A.C. Voltage Impressed on the D.C. Bias of a Gunn Diode. voltage waveform amplitude at the device terminals is large enough to cause the voltage to fall below threshold ET over a portion of each cycle. The domain transit time must be less than the resonant period of the circuit so tha ...
Time relay, 2-off 1/2 The unit consists of two printed circuit boards
... rotary knob of the potentiometer. The contact set consists of two normally open contacts and two normally closed contacts. When the voltage is applied to the coil connections, the set time delay takes effect. When the time delay has expired, the contact set is actuated. Circuits are opened or closed ...
... rotary knob of the potentiometer. The contact set consists of two normally open contacts and two normally closed contacts. When the voltage is applied to the coil connections, the set time delay takes effect. When the time delay has expired, the contact set is actuated. Circuits are opened or closed ...
Elektroenergetika 2015
... functionality of meters and determine if their parameters meet the requirements. This verification was made with a certified device, which consists of power reference standard. Testing may also be made at the same time for the both meters but as they do not have the same maximum current, we have to ...
... functionality of meters and determine if their parameters meet the requirements. This verification was made with a certified device, which consists of power reference standard. Testing may also be made at the same time for the both meters but as they do not have the same maximum current, we have to ...
AP6502A Description Pin Assignments
... Power Input. IN supplies the power to the IC, as well as the step-down converter switches. Drive IN with a 4.75V to 23V power source. Bypass IN to GND with a suitably large capacitor to eliminate noise on the input to the IC. See Input Capacitor. Power Switching Output. SW is the switching node that ...
... Power Input. IN supplies the power to the IC, as well as the step-down converter switches. Drive IN with a 4.75V to 23V power source. Bypass IN to GND with a suitably large capacitor to eliminate noise on the input to the IC. See Input Capacitor. Power Switching Output. SW is the switching node that ...
Name:
... power supply voltmeter, power supply ammeter) is most likely to have caused your observed non-zero intercept values? Why do you think that? How much is this meter misadjusted? Be specific. ...
... power supply voltmeter, power supply ammeter) is most likely to have caused your observed non-zero intercept values? Why do you think that? How much is this meter misadjusted? Be specific. ...
Lab 4 - La Salle University
... the simulation. Expand the oscilloscope and adjust the time base and number of volts per division so that most of the charging curve can be seen as shown below. Adjust the cyan (1) and yellow (2) cursors such that the cyan cursor is at the edge of where the charging begins and the yellow cursor is a ...
... the simulation. Expand the oscilloscope and adjust the time base and number of volts per division so that most of the charging curve can be seen as shown below. Adjust the cyan (1) and yellow (2) cursors such that the cyan cursor is at the edge of where the charging begins and the yellow cursor is a ...
MFC190 - Algodue
... Unlike traditional current transducers, there is no danger from open-circuited secondaries. They cannot be damaged by large overloads. They are non-intrusive. They draw no power from the main circuit carrying the current to be measured. They are also light weighted and in some applications are light ...
... Unlike traditional current transducers, there is no danger from open-circuited secondaries. They cannot be damaged by large overloads. They are non-intrusive. They draw no power from the main circuit carrying the current to be measured. They are also light weighted and in some applications are light ...
2.555new7 - WordPress.com
... variable duty-cycle pulse generator, much like we did in the previous section. We will use this for a speed controller for our little DC brushless fan. ...
... variable duty-cycle pulse generator, much like we did in the previous section. We will use this for a speed controller for our little DC brushless fan. ...
- Enphase Energy
... The IEEE 1547 standard requires that grid-tied or utility-interactive inverters cease power production if voltage measured at the inverter terminal exceeds +10% or -12% of nominal. Enphase Microinverters, like all utility-interactive inverters, sense voltage and frequency from the AC grid and cease ...
... The IEEE 1547 standard requires that grid-tied or utility-interactive inverters cease power production if voltage measured at the inverter terminal exceeds +10% or -12% of nominal. Enphase Microinverters, like all utility-interactive inverters, sense voltage and frequency from the AC grid and cease ...
Lab 4 - La Salle University
... the simulation. Expand the oscilloscope and adjust the time base and number of volts per division so that most of the charging curve can be seen as shown below. Adjust the cyan (1) and yellow (2) cursors such that the cyan cursor is at the edge of where the charging begins and the yellow cursor is a ...
... the simulation. Expand the oscilloscope and adjust the time base and number of volts per division so that most of the charging curve can be seen as shown below. Adjust the cyan (1) and yellow (2) cursors such that the cyan cursor is at the edge of where the charging begins and the yellow cursor is a ...
ADC Requirements for Temperature
... A thermocouple consists of two different types of metal. A voltage is generated at the junction of the two metals when the temperature is above zero; its magnitude depends on the deviation of the temperature from zero. Thermocouples are small, rugged, and relatively inexpensive, and they operate ove ...
... A thermocouple consists of two different types of metal. A voltage is generated at the junction of the two metals when the temperature is above zero; its magnitude depends on the deviation of the temperature from zero. Thermocouples are small, rugged, and relatively inexpensive, and they operate ove ...
EEE8054 Power Transformers – Taster Material Application of
... Where power is transmitted along two or more parallel transmission lines, the power flow divides between the lines in inverse proportion to the line impedances. Highest power is therefore transmitted through the line with lowest impedance and this can result in overload on that line, when the parall ...
... Where power is transmitted along two or more parallel transmission lines, the power flow divides between the lines in inverse proportion to the line impedances. Highest power is therefore transmitted through the line with lowest impedance and this can result in overload on that line, when the parall ...