Protection of Busbars and Lines
... Fig. 23.1 shows the single line diagram of current differential scheme for a station busbar. The busbar is fed by a generator and supplies load to two lines. The secondaries of current transformers in the generator lead, in line 1 and in line 2 are all connected in parallel. The protective relay is ...
... Fig. 23.1 shows the single line diagram of current differential scheme for a station busbar. The busbar is fed by a generator and supplies load to two lines. The secondaries of current transformers in the generator lead, in line 1 and in line 2 are all connected in parallel. The protective relay is ...
Predictive digital current programmed control - Power
... converters. The main purpose of this paper is to address algorithms and implementation of digital current mode control for high-frequency switching power converters. In analog current mode control, the switch current or the inductor current is monitored continuously, and the switch control waveforms ...
... converters. The main purpose of this paper is to address algorithms and implementation of digital current mode control for high-frequency switching power converters. In analog current mode control, the switch current or the inductor current is monitored continuously, and the switch control waveforms ...
NCV7240 - Octal Low-Side Relay Driver
... Output driver location on one side of the IC layout provides for optimum pcb layout to the loads. Internal clamping structures are provided to limit transient voltages when switching inductive loads. Each output has an over load detection current of 0.6 A (min) where the drivers turn−off and stay la ...
... Output driver location on one side of the IC layout provides for optimum pcb layout to the loads. Internal clamping structures are provided to limit transient voltages when switching inductive loads. Each output has an over load detection current of 0.6 A (min) where the drivers turn−off and stay la ...
Exploring the Possibility of Using Used Car Batteries as Residential
... The energy storage system (ESS) is an essential component of a photovoltaic (PV) powered electrical system because of the PV power system’s fundamental energy generation process. Sunlight powers PV systems to generate electricity but no generation occurs at night or under cloud cover, when the sun i ...
... The energy storage system (ESS) is an essential component of a photovoltaic (PV) powered electrical system because of the PV power system’s fundamental energy generation process. Sunlight powers PV systems to generate electricity but no generation occurs at night or under cloud cover, when the sun i ...
Consequences of the voltage stresses imposed on step
... circuit-breaker is open, because the part of the system comprising the low-voltage winding of the stepup transformer and the high-voltage winding of the unit transformer normally becomes a system with an isolated neutral under these circumstances. No relaxation oscillations can occur on the generato ...
... circuit-breaker is open, because the part of the system comprising the low-voltage winding of the stepup transformer and the high-voltage winding of the unit transformer normally becomes a system with an isolated neutral under these circumstances. No relaxation oscillations can occur on the generato ...
MAX3802 3.2Gbps Quad Adaptive Cable Equalizer with Cable Driver General Description
... equalizers and cable drivers on a single chip. It is designed for coaxial and twin-axial cable point-to-point scrambled-data communication applications. The driver features differential current-mode logic (CML) inputs and outputs. The equalizer includes differential CML data inputs and outputs and a ...
... equalizers and cable drivers on a single chip. It is designed for coaxial and twin-axial cable point-to-point scrambled-data communication applications. The driver features differential current-mode logic (CML) inputs and outputs. The equalizer includes differential CML data inputs and outputs and a ...
English
... This proof test will detect 92 percent of DU failures not detected by the Rosemount 2088 automatic diagnostics. 1. Bypass the safety PLC and take appropriate action to avoid a false trip. 2. Send a HART command to the transmitter to go to the high alarm current output and verify that the analog curr ...
... This proof test will detect 92 percent of DU failures not detected by the Rosemount 2088 automatic diagnostics. 1. Bypass the safety PLC and take appropriate action to avoid a false trip. 2. Send a HART command to the transmitter to go to the high alarm current output and verify that the analog curr ...
FTS-300 - BiddleMegger.com
... and black terminals. Three voltages (48, 125, and 250 V) are available, depending on the input voltage required by the relay under test. The ON/RESET Indicator is an orange LED which illuminates whenever voltage is present at the D.C. outputs. The supply is overload and short-circuit protected by an ...
... and black terminals. Three voltages (48, 125, and 250 V) are available, depending on the input voltage required by the relay under test. The ON/RESET Indicator is an orange LED which illuminates whenever voltage is present at the D.C. outputs. The supply is overload and short-circuit protected by an ...
Leakage Biased PMOS Sleep Switch Dynamic Circuits
... of dual- LB and dual- nMOS techniques becomes smaller since the parasitic capacitance introduced by the sleep transistors becomes less important as compared to the parasitic capacitance of pull-down network transistors. The difference between the active power consumption of dual- LB and dual- nMOS t ...
... of dual- LB and dual- nMOS techniques becomes smaller since the parasitic capacitance introduced by the sleep transistors becomes less important as compared to the parasitic capacitance of pull-down network transistors. The difference between the active power consumption of dual- LB and dual- nMOS t ...
SIGNAL TOWER
... Never connect the power supply wire to the "flashing common" wire. Failure to observe will result in damage to the circuitry. ( F Illumination and flashing specifications) ...
... Never connect the power supply wire to the "flashing common" wire. Failure to observe will result in damage to the circuitry. ( F Illumination and flashing specifications) ...
A New Look At An Old Friend
... dramatic effect, but with the more balanced presentation of today’s stereo sources, full performance is required in both channels at all times. The fact is, when a stock SCA-35 is tested under conditions of both channels driven, the specifications suffer significantly such that it becomes about a 27 ...
... dramatic effect, but with the more balanced presentation of today’s stereo sources, full performance is required in both channels at all times. The fact is, when a stock SCA-35 is tested under conditions of both channels driven, the specifications suffer significantly such that it becomes about a 27 ...
OrCAD PSpice, Capture, and Probe Tutorial
... menu selection operations will be depicted by using right arrows () to show the direction of the menu choices; for example, this first menu selection would be depicted as Start!Engineering ScienceOrCAD Demo. Take a moment to survey the choices that are available to you. The menu items we will loo ...
... menu selection operations will be depicted by using right arrows () to show the direction of the menu choices; for example, this first menu selection would be depicted as Start!Engineering ScienceOrCAD Demo. Take a moment to survey the choices that are available to you. The menu items we will loo ...
Small Footprint PicoGuard XS® ESD Clamp Array For High Speed Data Line Protection
... PicoGuard is a registered trademark of Semiconductor Components Industries, LLC. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, rep ...
... PicoGuard is a registered trademark of Semiconductor Components Industries, LLC. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, rep ...
Understanding and Interpreting Standard-Logic Data Sheets Application Report
... Texas Instruments (TI) standard-logic products data sheets include descriptions of functionality and electrical specifications for the devices. Each specification includes acronyms, numerical limits, and test conditions that may be foreign to the user. The proper understanding and interpretation of ...
... Texas Instruments (TI) standard-logic products data sheets include descriptions of functionality and electrical specifications for the devices. Each specification includes acronyms, numerical limits, and test conditions that may be foreign to the user. The proper understanding and interpretation of ...
Characteristics of Interleaved PFC Stages
... like the ease of implementation, the use of more but smaller components or a better heat distribution. Also, Interleaving extends the power range of Critical Conduction Mode (CrM) that is an efficient and cost-effective technique (no need for low trr diodes). Even, as reported by NCP1631EVB [1], whe ...
... like the ease of implementation, the use of more but smaller components or a better heat distribution. Also, Interleaving extends the power range of Critical Conduction Mode (CrM) that is an efficient and cost-effective technique (no need for low trr diodes). Even, as reported by NCP1631EVB [1], whe ...
MAX6921/MAX6931 20-Output, 76V, Serial-Interfaced VFD Tube Drivers General Description
... The MAX6921/MAX6931 are 20-output, 76V, vacuumfluorescent display (VFD) tube drivers that interface a multiplexed VFD tube to a VFD controller, such as the MAX6850–MAX6853, or to a microcontroller. The MAX6921/MAX6931 are also ideal for driving static VFD tubes or telecom relays. Data is input using ...
... The MAX6921/MAX6931 are 20-output, 76V, vacuumfluorescent display (VFD) tube drivers that interface a multiplexed VFD tube to a VFD controller, such as the MAX6850–MAX6853, or to a microcontroller. The MAX6921/MAX6931 are also ideal for driving static VFD tubes or telecom relays. Data is input using ...
Ballast Guide - Vode Lighting
... • Many contractors and facilities personnel use a lamp burn-in station to build an inventory of properly seasoned lamps. Contact the lamp manufacturer for their recommendations on lamp seasoning. As a general guideline, NEMA recommends 12 hours of operation at full intensity before dimming. See NEMA ...
... • Many contractors and facilities personnel use a lamp burn-in station to build an inventory of properly seasoned lamps. Contact the lamp manufacturer for their recommendations on lamp seasoning. As a general guideline, NEMA recommends 12 hours of operation at full intensity before dimming. See NEMA ...
LM317 - Electronics
... absence of input bypassing when adjustment or output capacitors are used but the above values will eliminate the possibility of problems. The adjustment terminal can be bypassed to ground on the LM117 to improve ripple rejection. This bypass capacitor prevents ripple from being amplified as the outp ...
... absence of input bypassing when adjustment or output capacitors are used but the above values will eliminate the possibility of problems. The adjustment terminal can be bypassed to ground on the LM117 to improve ripple rejection. This bypass capacitor prevents ripple from being amplified as the outp ...