High Impedance Fault Detection on Distribution Systems
... The purpose of the expert arc detector algorithm is to assimilate the outputs of the basic arc detection algorithms into one cumulative arc confidence level per phase. There are actually 24 independent basic arc detection algorithms, since both the energy and randomness algorithms are run for the od ...
... The purpose of the expert arc detector algorithm is to assimilate the outputs of the basic arc detection algorithms into one cumulative arc confidence level per phase. There are actually 24 independent basic arc detection algorithms, since both the energy and randomness algorithms are run for the od ...
W. Li, N. Salazar and D.J. Perreault, “Integrated Low
... In order to reduce the interconnect loss and ease the pin count challenge, it is desired to deliver power across the interconnect at high voltage and low current with on- or overdie transformation to low voltage and high current, while providing localized voltage regulation in numerous zones. In doi ...
... In order to reduce the interconnect loss and ease the pin count challenge, it is desired to deliver power across the interconnect at high voltage and low current with on- or overdie transformation to low voltage and high current, while providing localized voltage regulation in numerous zones. In doi ...
Voltage Transformers
... All oil filled voltage transformers rated at 72.5kV and above, shall be subject to a 600 chopped negative polarity impulse test at 60% of the rated BIL level for that equipment. The time to chop shall be between 2 to 5 μs. A full set of routine electrical tests shall be performed before and after th ...
... All oil filled voltage transformers rated at 72.5kV and above, shall be subject to a 600 chopped negative polarity impulse test at 60% of the rated BIL level for that equipment. The time to chop shall be between 2 to 5 μs. A full set of routine electrical tests shall be performed before and after th ...
Low-Voltage Current Sink Controls High-Voltage
... size: at 650 kHz they provide 90% efficiency; at 1.3 MHz their circuit implementation occupies the smallest space, making them ideal for space-constrained environments in portable devices and liquid-crystal displays. The adjustable soft-start circuit prevents inrush currents—ensuring safe, predictab ...
... size: at 650 kHz they provide 90% efficiency; at 1.3 MHz their circuit implementation occupies the smallest space, making them ideal for space-constrained environments in portable devices and liquid-crystal displays. The adjustable soft-start circuit prevents inrush currents—ensuring safe, predictab ...
244-33LOADS
... ELEMENTS ELECTRONIC DEVICES SPECIAL PROCESS EQUIPMENT RESISTIVE LOADS & INDUCTIVE LOADS ...
... ELEMENTS ELECTRONIC DEVICES SPECIAL PROCESS EQUIPMENT RESISTIVE LOADS & INDUCTIVE LOADS ...
Avoid generating capacity losses in aging hydropower plants
... be intentionally bonded to ground. In other words, a ground fault is intentionally being placed on one of the phases. This is known as a corner grounded delta system. In this case, the measured L-G voltage is VL-G, and will be equal to VL-L on the two ungrounded phases. The grounded phase will be ze ...
... be intentionally bonded to ground. In other words, a ground fault is intentionally being placed on one of the phases. This is known as a corner grounded delta system. In this case, the measured L-G voltage is VL-G, and will be equal to VL-L on the two ungrounded phases. The grounded phase will be ze ...
Things you should know about LED`s and
... How to read a photodiode datasheet: Dark current (ID): Explained above Breakdown Voltage (VBR): The maximum reverse voltage that can be applied to the diode Noise Equivalent Power (NEP): The photon intensity required to equal the noise at a given reverse bias Response time (tr): How fast the diode c ...
... How to read a photodiode datasheet: Dark current (ID): Explained above Breakdown Voltage (VBR): The maximum reverse voltage that can be applied to the diode Noise Equivalent Power (NEP): The photon intensity required to equal the noise at a given reverse bias Response time (tr): How fast the diode c ...
LT1083
... higher efficiency than currently available devices. All internal circuitry is designed to operate down to 1V input to output differential and the dropout voltage is fully specified as a function of load current. Dropout is guaranteed at a maximum of 1.5 V at maximum output current. On-chip trimming ...
... higher efficiency than currently available devices. All internal circuitry is designed to operate down to 1V input to output differential and the dropout voltage is fully specified as a function of load current. Dropout is guaranteed at a maximum of 1.5 V at maximum output current. On-chip trimming ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
... a high-power switch. The on-resistance of a VDMOS is one of its most important parameters because it limits the current which can be conducted by the device before it is damaged by the heat generated in the transistor. Therefore the on-resistance should be as low as possible. Another important param ...
... a high-power switch. The on-resistance of a VDMOS is one of its most important parameters because it limits the current which can be conducted by the device before it is damaged by the heat generated in the transistor. Therefore the on-resistance should be as low as possible. Another important param ...
Voltage monitoring relays CM-ESS.2
... The unit is adjusted with potentiometers and switches on the top of the unit. The selection of over- d or undervoltage monitoring c is made with a DIP switch . Potentiometers, with direct reading scale, allow the adjustment of the threshold value U, of the hysteresis % and of the tripping delay TV. ...
... The unit is adjusted with potentiometers and switches on the top of the unit. The selection of over- d or undervoltage monitoring c is made with a DIP switch . Potentiometers, with direct reading scale, allow the adjustment of the threshold value U, of the hysteresis % and of the tripping delay TV. ...
TS19730 - Beck Elektronik
... assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, to any intellectual property rights is granted by this document. Except as provided in TSC’s terms and conditions of ...
... assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, to any intellectual property rights is granted by this document. Except as provided in TSC’s terms and conditions of ...
Bipolar Transistors I – Page 1 Bipolar Transistors I
... Replace the 1K collector resistor in the circuit above by a 10K resistor. Try to make the measurements of the collector characteristics now with this larger collector resistor. Probably you find that when there is any base current at all, the voltage drop on the collector resistor is so large that y ...
... Replace the 1K collector resistor in the circuit above by a 10K resistor. Try to make the measurements of the collector characteristics now with this larger collector resistor. Probably you find that when there is any base current at all, the voltage drop on the collector resistor is so large that y ...
Microwave Integrated Circuits (MIC)
... phase. The amplitude is controlled with amplifiers and attenuators. The phase can be controlled by phase shifters. Phase shifters like attenuators, can be mechanically or electronically adjustable Mechanically adjustable phase shifters It is a line stretchers. The phase shift can be adjusted by chan ...
... phase. The amplitude is controlled with amplifiers and attenuators. The phase can be controlled by phase shifters. Phase shifters like attenuators, can be mechanically or electronically adjustable Mechanically adjustable phase shifters It is a line stretchers. The phase shift can be adjusted by chan ...
Three-phase electric power
Three-phase electric power is a common method of alternating-current electric power generation, transmission, and distribution. It is a type of polyphase system and is the most common method used by electrical grids worldwide to transfer power. It is also used to power large motors and other heavy loads. A three-phase system is usually more economical than an equivalent single-phase or two-phase system at the same line to ground voltage because it uses less conductor material to transmit electrical power.The three-phase system was independently invented by Galileo Ferraris, Mikhail Dolivo-Dobrovolsky, Jonas Wenström and Nikola Tesla in the late 1880s.