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Loop Selective Direction Measurement for Distance Protection
Loop Selective Direction Measurement for Distance Protection

... The best signals for direction measurement depend on the prevailing conditions (see Table 1). In the modern distance relay the best signal is selected automatically (see Fig. 2). The first choice is the faulted loop voltage, and it is used unless the relay is applied close to a series compensation, ...
LM148/LM248/LM348 Quad 741 Op Amps (Rev
LM148/LM248/LM348 Quad 741 Op Amps (Rev

... voltage and current range. However, if very large capacitive loads must be driven by a non-inverting unity gain amplifier, a resistor should be placed between the output (and feedback connection) and the capacitance to reduce the phase shift resulting from the capacitive loading. The output current ...
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)

... capacitance and no contention during switching. They have zero static power dissipation. Dynamic circuits overcome the drawbacks of both static and ratioed circuits by using clock pull-up transistor rather than PMOS that is always ON. This significantly reduces the area. We can study the operation o ...
PDF
PDF

... connected to the grid through an AC-DC-AC converter. The rotor and the grid currents are controlled by controlling the converter. This enables the control of the active power and reactive power flow to the grid from the stator independent of the generator’s speed. The number of turns on the rotor of ...
Chapter 17 Powerpoint
Chapter 17 Powerpoint

AP1694 Description Features
AP1694 Description Features

... Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: ...
UM6J1N
UM6J1N

... Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no respo ...
Electronic Design - February 2015
Electronic Design - February 2015

... Best of all, many of the services and sometimes the devices themselves will be free! Sort of. The cost will often be in non-monetary forms like forced advertising, giving away information sometimes on a continuing basis, or restricting other purchases to compatible devices. Often 1. Sengled’s Pulse ...
TPS5120 数据资料 dataSheet 下载
TPS5120 数据资料 dataSheet 下载

... † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to ...
General Description Features Block Diagram Pin Assignment
General Description Features Block Diagram Pin Assignment

Safety Switching Devices Basic device for Emergency-Stop
Safety Switching Devices Basic device for Emergency-Stop

... K2 drop back into their initial position, and the electronic fuse responds. A line short through the RESET button, which has occurred after the relay has been activated, is detected by means of the cyclic self-test with a new switching process, and the enabling current paths are prevented from switc ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331,
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331,

... This paper has compared between the TCSC and SVC FACT device is presented and discussed. A Series capacitive compensation is thus used to reduce the series reactive impedance to minimize receiving end voltage variation and the possibility of voltage collapse and it can improve power flow capability ...
Practice Work #1
Practice Work #1

... 13. Shockley diode equation Your report must contain necessary electronic elements, their circuits and obtained characteristics. ...
High performance 3 A ULDO linear regulator
High performance 3 A ULDO linear regulator

Aalborg Universitet Switching speed limitations of high power IGBT modules
Aalborg Universitet Switching speed limitations of high power IGBT modules

Basic Electrical Theory - Linn
Basic Electrical Theory - Linn

LSF010x 1/2/8 Channel Bidirectional Multi
LSF010x 1/2/8 Channel Bidirectional Multi

... Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to a ...
Lecture11
Lecture11

Low-Noise, High-Precision, JFET
Low-Noise, High-Precision, JFET

... Storage Temperature ...
PI_SC1271K rev B 060515_Off-Line CVCC Flyback
PI_SC1271K rev B 060515_Off-Line CVCC Flyback

... to Source and Secondary Ground, TA = 25 °C. 2. Maximum ratings specified may be applied one at a time without causing permanent damage to the product. Exposure to Absolute Maximum Ratings conditions for extended periods of time may affect product reliability. 3. Higher peak Drain current is allowed ...
L10_Overview
L10_Overview



... fluid through it, and this resistance is equal to not correspond with the actual bottom hole pres the difference in potential of the isopotentials 55 sure of that well at the date indicated, adjust enclosing the block divided by the average cur ment of resistances I2 is necessary, and these rent equ ...
MAX16904 2.1MHz, High-Voltage, 600mA Mini-Buck Converter General Description
MAX16904 2.1MHz, High-Voltage, 600mA Mini-Buck Converter General Description

... switching frequency, which improves EMI performance; the disadvantage is that considerable current can be thrown away. If the load current during a switching cycle is less than the current flowing through the inductor, the excess current is diverted to GND. With no external load present, the operati ...
Integrated Systems
Integrated Systems

... movement makes MEM relays significantly slower than CMOS, they can be useful for a wide range of VLSI applications by reexamining traditional system- and circuit-level design techniques to take advantage of the electrical properties of the device. Unlike in CMOS circuit design, logic functions in ME ...
User Guide Model 380260 Insulation Tester / Megohmmeter
User Guide Model 380260 Insulation Tester / Megohmmeter

... until the circuit is completely discharged and the upper right display shows 0 volts. ...
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Surge protector



A surge protector (or surge suppressor) is an appliance/device designed to protect electrical devices from voltage spikes. A surge protector attempts to limit the voltage supplied to an electric device by either blocking or by shorting to ground any unwanted voltages above a safe threshold. This article primarily discusses specifications and components relevant to the type of protector that diverts (shorts) a voltage spike to ground; however, there is some coverage of other methods.The terms surge protection device (SPD), or transient voltage surge suppressor (TVSS), are used to describe electrical devices typically installed in power distribution panels, process control systems, communications systems, and other heavy-duty industrial systems, for the purpose of protecting against electrical surges and spikes, including those caused by lightning. Scaled-down versions of these devices are sometimes installed in residential service entrance electrical panels, to protect equipment in a household from similar hazards.Many power strips have basic surge protection built in; these are typically clearly labeled as such. However, power strips that do not provide surge protection are sometimes erroneously referred to as ""surge protectors"".
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