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Lab Assignment 3
Lab Assignment 3

... output, the predicted output current is infinitely large, a very non-practical result. In the Norton case (current source without a resistor), the open circuit output voltage will be infinitely large. We then have a circuit that will have a voltage breakdown if we don’t provide a load at the output. ...
Switching the Neutral Conductor
Switching the Neutral Conductor

Lightning protection systems for gas pressure control and
Lightning protection systems for gas pressure control and

... All conductive systems entering the gas pressure control and measurement system from the outside must be integrated in the lightning equipotential bonding system (Figure 9.33.6). This is achieved by directly connecting all metal systems and indirectly connecting all live systems via surge protective ...
A New Figure of Merit and General Properties of Wireless
A New Figure of Merit and General Properties of Wireless

... The exciting field of Wireless Power Transmission attracted industrial and academic research and, therefore, we see a still increasing number of valuable contributions to this technology. The majority of the research and development work focused on inductive power transmission systems and most of th ...
Reduced wiring system (CC-Link compliant SI unit) EX140
Reduced wiring system (CC-Link compliant SI unit) EX140

... • Do not use the unit near a place where electric surge is generated. Internal circuit elements of the reduced-wiring system can deteriorate or break when equipment generating a large surge (electromagnetic lifter, high frequency induction furnace, motor, etc.) is located near the reduced-wiring sys ...
CA-NLH-106 Island Interconnected System Supply Issues and Power Outages Reference:  PUB-NLH-470:
CA-NLH-106 Island Interconnected System Supply Issues and Power Outages Reference: PUB-NLH-470:

... This means the spare 350kV cable will be exposed to a polarity reversal over a short ...
Adders, Multipliers, Read
Adders, Multipliers, Read

TechTopics
TechTopics

... interrupter, and which it must withstand in order to sustain an interruption. Figure 1 may be used to discuss the concept of TRV, and to illustrate where TRV comes from. The circuit shows the elements of a power system that are relevant to TRV. On the source side of the circuit breaker, there is a s ...
Catalog Section
Catalog Section

... faulted sections of overhead systems. This faulted circuit indicator (FCI) is designed for use on overhead bare conductors. A long-life lithium battery provides power to indicate the faulted conditions using two highly visible LED indicators. The unit is capable of being programed with any one of fi ...
Introduction
Introduction

control system application in automobile industries.
control system application in automobile industries.

... maximum mechanical advantage in order to reduce the forces required from the pilots.[7] This arrangement can be found on bigger or higher performance propeller aircraft such as the Fokker 50. Some mechanical flight control systems use servo tabs that provide aerodynamic assistance. Servo tabs are sm ...
Piezo Film Vibra Tab (#605-00004)
Piezo Film Vibra Tab (#605-00004)

Notes on Rebuilding an SB
Notes on Rebuilding an SB

... When the Zener fails in this manner, the tubes are turned fully on, and damage can result when excessive current flows. The QSK Board uses a TIP147 power transistor which is protected by an MOV (a Metal-Oxide Varistor). If the transistor should fail, the voltage across the varistor would rise to its ...
Brochure
Brochure

... Analysis Both the Enhanced Substation Modeling module and the Secondary Grid Network Analysis module allow the user to model sub-networks such as a detailed representation of an industrial facility. These subnetworks are considered to be a continuation of existing network feeders. Secondary Grid Net ...
pptx - UCSD VLSI CAD Laboratory
pptx - UCSD VLSI CAD Laboratory

Datasheet
Datasheet

... and switches that output to one or more airfield lighting series circuits. Common applications include circuits for PAPIs, stopbars, and taxiway centerlines. The CSS can also be used as the interface between a standby backup regulator and several operating regulators. ...
ph104exp03_DC_Circuits_04 - Physics Department, Princeton
ph104exp03_DC_Circuits_04 - Physics Department, Princeton

... unknown capacitor (X) is fully discharged before you start; you should do this by touching a wire simultaneously to both of the capacitor legs (“shorting” the capacitor). It is not sufficient to use your fingers to short the capacitor; the time constant RyouC is too long. Connect the switch to the p ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)

... many of these systems were notdesigned to use some of the key Internet-related standards, suchas HTML, HTTP, SOAP, WSDL, and XML. The reasons for thisinclude: 1) the inability of Internet standards to satisfy real-time,mission critical requirements [12]–[18] and 2) the computingstandards and commerc ...
Constructing circuit diagrams with pst-circ
Constructing circuit diagrams with pst-circ

... [3] (like all pstricks [8] packages), it cannot be used directly with pdfTEX. However, there are a number of alternative ways to get PDF output: • The pdftricks package [7]; unfortunately, this very frequently, because of the use of PostScript, leads to problems with bounding boxes. • The ps4pdf pac ...
Power supply CP-S 24/20.0 Primary switch mode power supply Data sheet Features
Power supply CP-S 24/20.0 Primary switch mode power supply Data sheet Features

... Parallel operation, true redundancy with decoupling provided by the CP‑A RU Redundant circuits are used to increase the operational reliability and eliminate power supply outages. Events that can cause a power supply failure include: incorrect wiring, blown fuses or failure of a single power supply. ...
STK554U3xx Series Application Note
STK554U3xx Series Application Note

... In difference to the internal single shunt series modules the STK554Uxxx series modules utilize an external shunt resistor for the OCP functionality. As shown in Figure 9 the emitters of all three lower side IGBTs brought out to module pins. An external “over current protection circuitry” consisting ...
(no dtcs): check the fan control primary circuits
(no dtcs): check the fan control primary circuits

FB9L Universal Lamp Alarm Relay
FB9L Universal Lamp Alarm Relay

... used to energize an external flasher bypass relay. The contacts of the bypass relay are used to route voltage around the failed flasher and to indicate an alarm condition. Note: In a single flasher, single beacon system, if the beacon lamp fails, zero current flow is detected. This will cause the fl ...
Protecting High Speed Communication Ports
Protecting High Speed Communication Ports

Module 6 – Electrical Components & Circuits C3
Module 6 – Electrical Components & Circuits C3

... Electronics – Controlling the Flow of Current • To make an electronic device (like a radio) do something useful (like receive a signal), we need to control and manipulate the flow of current. • There are a number of different electronic components that we use to do this. ...
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Fault tolerance



Fault tolerance is the property that enables a system to continue operating properly in the event of the failure of (or one or more faults within) some of its components. If its operating quality decreases at all, the decrease is proportional to the severity of the failure, as compared to a naively designed system in which even a small failure can cause total breakdown. Fault tolerance is particularly sought after in high-availability or life-critical systems.A fault-tolerant design enables a system to continue its intended operation, possibly at a reduced level, rather than failing completely, when some part of the system fails. The term is most commonly used to describe computer systems designed to continue more or less fully operational with, perhaps, a reduction in throughput or an increase in response time in the event of some partial failure. That is, the system as a whole is not stopped due to problems either in the hardware or the software. An example in another field is a motor vehicle designed so it will continue to be drivable if one of the tires is punctured. A structure is able to retain its integrity in the presence of damage due to causes such as fatigue, corrosion, manufacturing flaws, or impact.Within the scope of an individual system, fault tolerance can be achieved by anticipating exceptional conditions and building the system to cope with them, and, in general, aiming for self-stabilization so that the system converges towards an error-free state. However, if the consequences of a system failure are catastrophic, or the cost of making it sufficiently reliable is very high, a better solution may be to use some form of duplication. In any case, if the consequence of a system failure is so catastrophic, the system must be able to use reversion to fall back to a safe mode. This is similar to roll-back recovery but can be a human action if humans are present in the loop.
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