• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Transient Voltage Suppression Diode Application Notes
Transient Voltage Suppression Diode Application Notes

... because of their similar electrical characteristics. The Zener diode and SADs both conduct in the reverse direction if the voltage through it exceeds a set breakdown voltage. In the Zener diode, this corresponds to the transport of electrons from the positively doped side of the diode to the holes o ...
Oscillators, Speakers and Sound
Oscillators, Speakers and Sound

Series and Shunt Compensation
Series and Shunt Compensation

... • To control the receiving end voltage a bank of capacitors (large number of capacitors connected in parallel) is installed at the receiving end and suitable number of capacitors are switched in during high load condition depending upon the load demand. • Thus the capacitors provide leading VAr to p ...
PSURGE 30.2 3OkV SURGE TEST SYSTEM ONE SOLUTION
PSURGE 30.2 3OkV SURGE TEST SYSTEM ONE SOLUTION

... When adding the Remote control option, it is possible to use PSURGE 30, with WinPATS Software. This unique windows software opens possibilities such as: n ...
VOLTAGE REGULATOR
VOLTAGE REGULATOR

... voltage by maximum input current (ex. 200V x 30A = 6000 watts) to get the maximum power the unit can handle at this input voltage. Then divide this number by the output voltage (6000/240 = 25 amps). If your load draws any more than 25 amps, it will cause the input current to rise above 30 amps and w ...
Probably the Simplest GPS Disciplined Oscillator possible
Probably the Simplest GPS Disciplined Oscillator possible

... time. Initially I was sceptical thinking it probably only consisted of 10000 pulses per second - which could have been no better than the 1 PPS signal itself in the short term. However, after making extensive measurements, came to the conclusion it really was quite a respectable signal - in particul ...
Installing RC Equipment in Larger Aircraft pdf file
Installing RC Equipment in Larger Aircraft pdf file

... You may get away with this if the good pack is a strong 5-cell pack and the bad pack only lost one cell, since the average voltage will initially be approximately 5.4V, but in many cases a bad pack will have be at less than 4.8V (the nominal 5-cell pack with one cell shorted), and the good pack will ...
How to select a VFD
How to select a VFD

... the inverter section. IGBTs can turn on and off at a much higher frequency, up to 20 kHz. The higher carrier frequencies associated with IGBTs offer some key advantages over older SCR and BJT inverters, but also have a severe trade-off to be discussed later. IGBTs typically are not used in VFD rect ...
Heathkit SB-220 - Orange County (California) Amateur Radio Club
Heathkit SB-220 - Orange County (California) Amateur Radio Club

... the antenna, bypassing the amplifier; on transmit they connect the exciter to the amplifier input and the amplifier output to the antenna. The third set of contacts controls the bias. With the amplifier on and the relay open, approximately +115 V DC is applied to the center tap of the filament trans ...
Mesh Current Method, Lecture Set 5
Mesh Current Method, Lecture Set 5

... It is extremely important to know the polarity of the voltages and currents in circuits. Use: • Reference polarities i.e. assumed (chosen) direction for the purposes of keeping track • Actual polarities i.e. real current and voltage directions calculated from a circuit. ...
Chapter5 - Lab4: Sensors
Chapter5 - Lab4: Sensors

... can be measured, hence the name differential transformer. Therefore the output voltage is a sinusoid with the same frequency as the excitation, and the amplitude of the signal is proportional to the distance of the core from the null point. Because the two secondary signals are opposite in polarity, ...
How to Choose the Best Spark Tester for your Application: AC vs. DC
How to Choose the Best Spark Tester for your Application: AC vs. DC

1.0 Scope 1.1. This specification documents the
1.0 Scope 1.1. This specification documents the

... 1/ Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions outside of those indicated in the operation sections of this specification is not implied. Exposur ...
DI-5B45 Frequency Input Modules
DI-5B45 Frequency Input Modules

... these modules to share a common analog bus without the requirement of external multiplexers (see block diagram). The frequency input signal can be a TTL level signal or a zero-crossing signal. Terminal 3 (+In) on the field side terminal block is the “common” or ground connection for input signals. A ...
eGauge Configuration Guide
eGauge Configuration Guide

EL5128 - Intersil
EL5128 - Intersil

... The EL5128 can drive a wide range of capacitive loads. As load capacitance increases, however, the -3dB bandwidth of the device will decrease and the peaking increase. The amplifiers drive 10pF loads in parallel with 10kΩ with just 1.5dB of peaking, and 100pF with 6.4dB of peaking. If less peaking i ...
RCD Fuse Resistor Questionnaire
RCD Fuse Resistor Questionnaire

... e) How many surges must the parts withstand, and what is the repetition rate and stability requirement? Examples: “Single pulse, 2% max shift”, “20 pulses, 60 sec apart, 5-10% max shift”, “10,000 pulses, 60Hz repetition rate, must not open”, etc: f) If the energy (joule) level of the surge is known, ...
New Technologies for Reactive Power Compensation in
New Technologies for Reactive Power Compensation in

... Thanks to the high dynamics, some active filters are even able to effectively correct changes in the current waveform, which are represented by commutation notches. In addition to compensating the three conductors, active filters also offer the possibility of reducing harmonics on the neutral condu ...
Full-text
Full-text

BMS-12-75 OG
BMS-12-75 OG

... The Model BMS-12-75 is a complete battery management system for installations, which already have a primary power supply. Smart Charging with Low Voltage Disconnect maintains battery protection by preventing battery failures caused by overcharging or excessively deep discharging. Dual Schottky diode ...
File - Electric Circuit Analysis
File - Electric Circuit Analysis

... • Ladder network appears in fig. The reason for the terminology is quite obvious for the repetitive structure • Applying reduce and return approach (starting farthest from source) ...
the use of simulation to comply with the
the use of simulation to comply with the

Keysight Technologies Zero Volt Electronic Load
Keysight Technologies Zero Volt Electronic Load

... Keysight now has a zero volt load solution that includes an electronic load that can be used with an auxiliary boost power supply. This capability is included on standard models in the new N3300A family. Either way, a reverse protection circuit is added to protect the power supply under test when us ...
Y. Hu, L. Huang, J. Sanz-Robinson, W. Rieutort-Louis, S. Wagner, J.C. Sturm, and N. Verma, "Energy Harvesting and Power-management for Sensing Skins in SHM Applications", Proc. The 9th Int'l Workshop on Structural Health Monitoring (IWSHM), pp. 2771-2778 (SEPT 2013).
Y. Hu, L. Huang, J. Sanz-Robinson, W. Rieutort-Louis, S. Wagner, J.C. Sturm, and N. Verma, "Energy Harvesting and Power-management for Sensing Skins in SHM Applications", Proc. The 9th Int'l Workshop on Structural Health Monitoring (IWSHM), pp. 2771-2778 (SEPT 2013).

HMC586LC4B 数据资料DataSheet下载
HMC586LC4B 数据资料DataSheet下载

... The HMC586LC4B is a wideband GaAs InGaP Voltage Controlled Oscillator which incorporates the resonator, negative resistance device, and varactor diode. Output power and phase noise performance are excellent over temperature due to the oscillator’s monolithic construction. The Vtune port accepts an a ...
< 1 ... 899 900 901 902 903 904 905 906 907 ... 1265 >

Islanding

Islanding refers to the condition in which a distributed generator (DG) continues to power a location even though electrical grid power from the electric utility is no longer present. Islanding can be dangerous to utility workers, who may not realize that a circuit is still powered, and it may prevent automatic re-connection of devices. For that reason, distributed generators must detect islanding and immediately stop producing power; this is referred to as anti-islanding.The common example of islanding is a grid supply line that has solar panels attached to it. In the case of a blackout, the solar panels will continue to deliver power as long as irradiance is sufficient. In this case, the supply line becomes an ""island"" with power surrounded by a ""sea"" of unpowered lines. For this reason, solar inverters that are designed to supply power to the grid are generally required to have some sort of automatic anti-islanding circuitry in them.In intentional islanding, the generator disconnects from the grid, and forces the distributed generator to power the local circuit. This is often used as a power backup system for buildings that normally sell their excess power to the grid.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report