Development Trends of Superconducting Cable Technology for
... three conduit lines are normally required to transmit the power for one 66 kV, 1 kA circuit. With these lines, if the demand for electric power expands to the extent that a threefold increase in transmission capacity is required, six new conduit lines must be installed to lay the new cable. Using a ...
... three conduit lines are normally required to transmit the power for one 66 kV, 1 kA circuit. With these lines, if the demand for electric power expands to the extent that a threefold increase in transmission capacity is required, six new conduit lines must be installed to lay the new cable. Using a ...
REGULATORY GUIDE
... of their routing throughout the plant. Portions of such a cable circuit may pass through areas experiencing adverse localized environmental conditions, such as high temperature, high radiation, high humidity or moisture, wetting (i.e., an operating environment in which a cable is exposed to moisture ...
... of their routing throughout the plant. Portions of such a cable circuit may pass through areas experiencing adverse localized environmental conditions, such as high temperature, high radiation, high humidity or moisture, wetting (i.e., an operating environment in which a cable is exposed to moisture ...
Transformer Secondary Tap Conductors
... rating of the device they supply or the rating of the fuses or circuit breakers at their termination, and • Secondary conductors do not extend beyond the enclosure of the equipment they supply, and • Secondary conductors are enclosed in a raceway. Figure 1 illustrates an example that meets the requi ...
... rating of the device they supply or the rating of the fuses or circuit breakers at their termination, and • Secondary conductors do not extend beyond the enclosure of the equipment they supply, and • Secondary conductors are enclosed in a raceway. Figure 1 illustrates an example that meets the requi ...
Less Than One in a Quadrillion—A Test Method
... An FPGA counter can be used to track the instances where the magnitude difference between two adjacent samples in time exceeds the threshold limit, counting that sample as a conversion error. The counter must keep a cumulative total of errors throughout the duration of the testing. To ensure that th ...
... An FPGA counter can be used to track the instances where the magnitude difference between two adjacent samples in time exceeds the threshold limit, counting that sample as a conversion error. The counter must keep a cumulative total of errors throughout the duration of the testing. To ensure that th ...
Coordinating Dissimilar Line Relays in a Communications
... possible to depend on only one microprocessor-based relay for all the protection and control functions desired for a specific zone, failure of a single component within the microprocessorbased relay, such as a power supply, would result in a loss of all functions provided by the relay. In addition t ...
... possible to depend on only one microprocessor-based relay for all the protection and control functions desired for a specific zone, failure of a single component within the microprocessorbased relay, such as a power supply, would result in a loss of all functions provided by the relay. In addition t ...
BDTIC www.BDTIC.com/infineon Wireless Control Components ASK / FSK Single Conversion Receivers
... Attention please! As far as patents or other rights of third parties are concerned, liability is only assumed for components, not for applications, processes and circuits implemented within components or assemblies. The information describes the type of component and shall not be considered as assur ...
... Attention please! As far as patents or other rights of third parties are concerned, liability is only assumed for components, not for applications, processes and circuits implemented within components or assemblies. The information describes the type of component and shall not be considered as assur ...
Typical Specifications VANTAGE STYLE SF6 SWITCHGEAR PART
... circuits using input from the internal current transformers. Temperature range shall be -30°C to +50°C. Minimum trip selection and trip time current characteristics (TCC) shall be field selectable either programming through the display or by a laptop computer. Maximum time for power up and ready-to- ...
... circuits using input from the internal current transformers. Temperature range shall be -30°C to +50°C. Minimum trip selection and trip time current characteristics (TCC) shall be field selectable either programming through the display or by a laptop computer. Maximum time for power up and ready-to- ...
Controls Training Course
... Explain how the development of the triac has made HVACR controls more versatile. Explain the difference between a triac and a SCR. Describe how a triac is Agated on and off. Explain how and why triacs can be used on resistive and inductive loads. Describe the operation of three-phase triac ...
... Explain how the development of the triac has made HVACR controls more versatile. Explain the difference between a triac and a SCR. Describe how a triac is Agated on and off. Explain how and why triacs can be used on resistive and inductive loads. Describe the operation of three-phase triac ...
Guide to Power Protection - Airpax
... element. This is especially true in ratings below five amperes. The most common thermal element used is a “sandwich” of two or three different metals. The low expansion side may be invar (a nickel steel alloy), the center may be copper for low resistivity or nickel for high resistivity. Metals used ...
... element. This is especially true in ratings below five amperes. The most common thermal element used is a “sandwich” of two or three different metals. The low expansion side may be invar (a nickel steel alloy), the center may be copper for low resistivity or nickel for high resistivity. Metals used ...
Comanche Peak Nuclear Power Plant, Units 3 & 4 COL Application
... at the transmission grid and ending at the line-side terminals of the main power supply circuit breakers feeding the 13.8 kV and 6.9 kV buses, and at the terminals on the main transformer (MT) side of the generator load break switch (GLBS). The plant switching station is connected to the transmissio ...
... at the transmission grid and ending at the line-side terminals of the main power supply circuit breakers feeding the 13.8 kV and 6.9 kV buses, and at the terminals on the main transformer (MT) side of the generator load break switch (GLBS). The plant switching station is connected to the transmissio ...
Unit 38 AC Installation
... • Split systems require two power supplies • Package systems require only one power supply • Low voltage control wiring is obtained through a control transformer • Package systems have all system components contained in a single cabinet ...
... • Split systems require two power supplies • Package systems require only one power supply • Low voltage control wiring is obtained through a control transformer • Package systems have all system components contained in a single cabinet ...
a PDF datasheet
... At the onset of a harmonics test, the operator is able to select from a number of options using the setup screen shown here. Version 3.0 of the CTS software supports the IEC 61000-3-2:Ed. 3 (2005) standard and the user can select inter-harmonic evaluation, with grouping according to the method speci ...
... At the onset of a harmonics test, the operator is able to select from a number of options using the setup screen shown here. Version 3.0 of the CTS software supports the IEC 61000-3-2:Ed. 3 (2005) standard and the user can select inter-harmonic evaluation, with grouping according to the method speci ...
SEL-787 Transformer Protection Relay Data Sheet
... Optional Protection Features. Use the SEL-787 with optional voltage inputs to provide volts/hertz protection with frequency tracking from 20 to 70 Hz for generator step-up and other variable frequency applications. Implement load shedding and other control schemes with over- and underfrequency and o ...
... Optional Protection Features. Use the SEL-787 with optional voltage inputs to provide volts/hertz protection with frequency tracking from 20 to 70 Hz for generator step-up and other variable frequency applications. Implement load shedding and other control schemes with over- and underfrequency and o ...
Table of contents
... control the operation of the UPS in some cases. Its major functions normally include some or all of the following: 1. To broadcast a warning when power fails. ...
... control the operation of the UPS in some cases. Its major functions normally include some or all of the following: 1. To broadcast a warning when power fails. ...
Guide to Low Voltage Circuit-Breakers Standards
... (MCBs) to BS EN 60898 are suitable for operation by ordinary persons and have fixed protection settings, generally a two position on/off operating handle and a performance relative to the final circuits in an electrical installation. They would normally be the final overcurrent protection measure in ...
... (MCBs) to BS EN 60898 are suitable for operation by ordinary persons and have fixed protection settings, generally a two position on/off operating handle and a performance relative to the final circuits in an electrical installation. They would normally be the final overcurrent protection measure in ...
Quark Brushless Systems
... o Ni-MH and Ni-CD may be used in place of each other, but never in place of Li-Poly o Exercise Caution during and after use as the motor, battery, controller and all connecting wires may become hot. Contact with your skin may cause a burn or serious bodily injury. o The power ON/OFF switch on the Qu ...
... o Ni-MH and Ni-CD may be used in place of each other, but never in place of Li-Poly o Exercise Caution during and after use as the motor, battery, controller and all connecting wires may become hot. Contact with your skin may cause a burn or serious bodily injury. o The power ON/OFF switch on the Qu ...
Induction Motor and Faults
... Induction motors are rugged, low cost, low maintenance, reasonably small sized, reasonably high efficient, and operating with an easily available power supply. They are reliable in operations but are subject to different types of undesirable faults. From the study of construction and operation of an ...
... Induction motors are rugged, low cost, low maintenance, reasonably small sized, reasonably high efficient, and operating with an easily available power supply. They are reliable in operations but are subject to different types of undesirable faults. From the study of construction and operation of an ...
Link - Haldex
... wiring for open or short circuits. This channel is wired into the Power A cable on the trailer mounted ABS fault lamp circuit refer to the TRS Installation Service manual 130040. Inspect auxiliary connections for corrosion, loose connections, and misaligned connector in socket. Detach auxiliary devi ...
... wiring for open or short circuits. This channel is wired into the Power A cable on the trailer mounted ABS fault lamp circuit refer to the TRS Installation Service manual 130040. Inspect auxiliary connections for corrosion, loose connections, and misaligned connector in socket. Detach auxiliary devi ...
DIY - PC - Interface for Suunto Spyder/Stinger ACW
... this pin does not make a proper contact to the water-sensor of your ACW. Carefully clean the three PC-interface pins and the water-sensor of your ACW with a soft eraser or dry cloth. 4. Insert the ACW into the cradle and carefully twist your ACW just a little bit to ensure a proper contact of the mi ...
... this pin does not make a proper contact to the water-sensor of your ACW. Carefully clean the three PC-interface pins and the water-sensor of your ACW with a soft eraser or dry cloth. 4. Insert the ACW into the cradle and carefully twist your ACW just a little bit to ensure a proper contact of the mi ...
AN-1123: Controller Area Network (CAN
... Logic 1 is transmitted as a voltage level high on one noninverting transmission line and low on the inverting line. Correspondingly, Logic 0 is transmitted as low on the noninverting line and high on the inverting line. The receiver uses the difference in voltage between the two lines to determine t ...
... Logic 1 is transmitted as a voltage level high on one noninverting transmission line and low on the inverting line. Correspondingly, Logic 0 is transmitted as low on the noninverting line and high on the inverting line. The receiver uses the difference in voltage between the two lines to determine t ...
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.