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Industrial Battery Charger
... seconds. The display shows ‘dLy’ followed by the current delay time in hh.m format where hh is hours and m is the nearest 10 minute increment. To change the delay time, press ‘POWER OFF’. The display shows ’hh._’ where hh is the delay hours. Set the delay start hours using ‘EQUALIZE OFF’ and ‘EQUALI ...
... seconds. The display shows ‘dLy’ followed by the current delay time in hh.m format where hh is hours and m is the nearest 10 minute increment. To change the delay time, press ‘POWER OFF’. The display shows ’hh._’ where hh is the delay hours. Set the delay start hours using ‘EQUALIZE OFF’ and ‘EQUALI ...
Geomagnetically Induced Current
... • Geomagnetic disturbances (GMD) occur when particles discharged from the sun during solar storms interact with the earth's magnetic field. • Power systems are vulnerable to geospatial variation in dc voltage caused by GMD. • Geomagnetically induced currents (GIC) flow through circuits formed by ...
... • Geomagnetic disturbances (GMD) occur when particles discharged from the sun during solar storms interact with the earth's magnetic field. • Power systems are vulnerable to geospatial variation in dc voltage caused by GMD. • Geomagnetically induced currents (GIC) flow through circuits formed by ...
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 ...
MAX14617 USB Host Charger Identification/Adapter Emulator General Description Benefits and Features
... device attached. If the voltage at DM is 2.05V (typ) or higher and the voltage at DP is 2.3V (typ) or lower, the voltage stays unchanged. If the voltage at DM is forced below the 2.05V (typ) threshold, the internal switch disconnects DM and DP from the resistor-divider and DP and DM are shorted toge ...
... device attached. If the voltage at DM is 2.05V (typ) or higher and the voltage at DP is 2.3V (typ) or lower, the voltage stays unchanged. If the voltage at DM is forced below the 2.05V (typ) threshold, the internal switch disconnects DM and DP from the resistor-divider and DP and DM are shorted toge ...
Smart earth leakage protection
... The leakage current value must be available at all times in many applications. This information is quite useful for the installation's preventive and corrective maintenance tasks, since we can act before triggers are set off. For example, if the insulation degree of a machine is reduced, the earth l ...
... The leakage current value must be available at all times in many applications. This information is quite useful for the installation's preventive and corrective maintenance tasks, since we can act before triggers are set off. For example, if the insulation degree of a machine is reduced, the earth l ...
MAX9374/MAX9374A Differential LVPECL-to-LVDS Translators General Description Features
... The MAX9374 and MAX9374A are 2.0GHz differential LVPECL-to-LVDS translators and are designed for telecom applications. They feature 250ps propagation delay. The differential output conforms to the ANSI TIA/EIA-644 LVDS standard. The inputs are biased with internal resistors such that the output is d ...
... The MAX9374 and MAX9374A are 2.0GHz differential LVPECL-to-LVDS translators and are designed for telecom applications. They feature 250ps propagation delay. The differential output conforms to the ANSI TIA/EIA-644 LVDS standard. The inputs are biased with internal resistors such that the output is d ...
Institutionen för systemteknik Department of Electrical Engineering Frequency Application
... its functional blocks are modelled to attain the best possible performance. In particular, the nonlinearities which affect the cyclic/algorithmic converter are discussed. This ADC has been designed for built-in-self-testing (BiST) on a chip. It is only functional during the testing phase, so power d ...
... its functional blocks are modelled to attain the best possible performance. In particular, the nonlinearities which affect the cyclic/algorithmic converter are discussed. This ADC has been designed for built-in-self-testing (BiST) on a chip. It is only functional during the testing phase, so power d ...
Aalborg Universitet
... In order to utilize renewable energy systems power electronics are needed to convert the generated energy into the grid. The AC-DC and DC-AC power conversion are dominant in wind power system and photovoltaic system. However, the use of PWM scheme introduces undesirable harmonics and it is necessary ...
... In order to utilize renewable energy systems power electronics are needed to convert the generated energy into the grid. The AC-DC and DC-AC power conversion are dominant in wind power system and photovoltaic system. However, the use of PWM scheme introduces undesirable harmonics and it is necessary ...
Condition Monitoring of Electrical Machines ABB MACHsense Solution
... Works with same technology and software as MACHsense-P. Periodic and detailed report given as per service contract Transfers data wireless to web portal which can be accessed by customer through internet. ...
... Works with same technology and software as MACHsense-P. Periodic and detailed report given as per service contract Transfers data wireless to web portal which can be accessed by customer through internet. ...
Stakeholder Comparison Comment Rationale Matrix 2011-09-28 AESO AUTHORITATIVE DOCUMENT PROCESS
... R1 Each legal owner of a transmission facility, legal owner of a generating unit and legal owner of an aggregated generating facility must use one of the criteria set out in requirements R1.1 through R1.13, inclusive, for each specific circuit terminal to prevent its phase protective relay settings ...
... R1 Each legal owner of a transmission facility, legal owner of a generating unit and legal owner of an aggregated generating facility must use one of the criteria set out in requirements R1.1 through R1.13, inclusive, for each specific circuit terminal to prevent its phase protective relay settings ...
60708-124 LARGE PTO -WInpower
... NOTE: CAUTION is also used on the unit labels and in this manual to indicate a situation that could result in serious damage or destruction of the equipment and possible personal injury. ______________________________________________________ 1. ELECTRIC SHOCK- The output voltage present in this equi ...
... NOTE: CAUTION is also used on the unit labels and in this manual to indicate a situation that could result in serious damage or destruction of the equipment and possible personal injury. ______________________________________________________ 1. ELECTRIC SHOCK- The output voltage present in this equi ...
Application Note TLE8110EE
... through coil “A” is stopped. Because of this induced voltage a reverse current flows through coil “B” about 0.8ms and the output voltage for channel 8 gets below the threshold for short to ground detection. Because of this there is the diagnosis entry “Short to Ground in OFF-Mode” for channel 8. The ...
... through coil “A” is stopped. Because of this induced voltage a reverse current flows through coil “B” about 0.8ms and the output voltage for channel 8 gets below the threshold for short to ground detection. Because of this there is the diagnosis entry “Short to Ground in OFF-Mode” for channel 8. The ...
IBIS_class_2003_11_03_handout.pdf
... • Higher resolution yields more accurate models • it is desirable to have a point at least at every 100 mV, or less ...
... • Higher resolution yields more accurate models • it is desirable to have a point at least at every 100 mV, or less ...
Stakeholder Comparison Comment Rationale Matrix 2011-09-28 AESO AUTHORITATIVE DOCUMENT PROCESS
... fault conditions and evaluate the above relay’s loadability at 0.85 per unit voltage and a power factor angle of 30 degrees. ...
... fault conditions and evaluate the above relay’s loadability at 0.85 per unit voltage and a power factor angle of 30 degrees. ...
Stakeholder Comparison Comment Rationale Matrix 2011-09-28 AESO AUTHORITATIVE DOCUMENT PROCESS
... fault conditions and evaluate the above relay’s loadability at 0.85 per unit voltage and a power factor angle of 30 degrees. ...
... fault conditions and evaluate the above relay’s loadability at 0.85 per unit voltage and a power factor angle of 30 degrees. ...
Electrical Engineering Thesis by William E. Overton
... This thesis would not have been possible without the guidance and support of many people. First, I would like to thank my advisor Aaron Lanterman for his guidance and support. Whenever I was having difficulty, he was there to help me through it. His criticism of this document was also greatly apprec ...
... This thesis would not have been possible without the guidance and support of many people. First, I would like to thank my advisor Aaron Lanterman for his guidance and support. Whenever I was having difficulty, he was there to help me through it. His criticism of this document was also greatly apprec ...
Reliability Standard Audit Worksheet VAR-002-AB-3 Generator Operation for Maintaining Network Voltages
... of an aggregated generating facility must notify the ISO within thirty (30) minutes after becoming aware of a change in reactive capability due to factors other than a status change described in requirement R3. R4.1 If the capability has been restored within thirty (30) minutes of the operator of a ...
... of an aggregated generating facility must notify the ISO within thirty (30) minutes after becoming aware of a change in reactive capability due to factors other than a status change described in requirement R3. R4.1 If the capability has been restored within thirty (30) minutes of the operator of a ...
Stray voltage
Stray voltage is the occurrence of electrical potential between two objects that ideally should not have any voltage difference between them. Small voltages often exist between two grounded objects in separate locations, due to normal current flow in the power system. Large voltages can appear on the enclosures of electrical equipment due to a fault in the electrical power system, such as a failure of insulation.