
Applicability of the “Gallet Equation” to the Vegetation
... phase. Such lines have been in operation since the 1960s. The term used for power lines operating above EHV levels. No lines of this class are operational, though test facilities have been constructed in several countries. An arrangement of insulation that serves to keep conductors at different pote ...
... phase. Such lines have been in operation since the 1960s. The term used for power lines operating above EHV levels. No lines of this class are operational, though test facilities have been constructed in several countries. An arrangement of insulation that serves to keep conductors at different pote ...
Joslyn Hi-Voltage® Capacitor Switches
... t Factory-assembled for fast, easy, low-cost installation t Solenoid or motor operating mechanism with AC or DC control voltage Joslyn Hi-Voltage® Varmaster switching systems use VBM switches that are completely sealed, breaker-class devices using a vacuum as the interrupting dielectric. VBM switche ...
... t Factory-assembled for fast, easy, low-cost installation t Solenoid or motor operating mechanism with AC or DC control voltage Joslyn Hi-Voltage® Varmaster switching systems use VBM switches that are completely sealed, breaker-class devices using a vacuum as the interrupting dielectric. VBM switche ...
Impedance Matching
... would show an entire admittance chart overlying the impedance chart. To minimize confusion, we will just show the unit circle of the admittance chart. The unit circle is important because it travels through the 20 mS point (50 Ω point) on the charts. We are interested in the distance between the loa ...
... would show an entire admittance chart overlying the impedance chart. To minimize confusion, we will just show the unit circle of the admittance chart. The unit circle is important because it travels through the 20 mS point (50 Ω point) on the charts. We are interested in the distance between the loa ...
Power Reduction Techniques for LDPC Decoders
... the decoder performs more computations in parallel. When the decoder is operated from a fixed supply voltage, such increased parallelism may be used to achieve higher throughput, with attendant increases in power and area. However, it is well known that increased parallelism can also permit a digita ...
... the decoder performs more computations in parallel. When the decoder is operated from a fixed supply voltage, such increased parallelism may be used to achieve higher throughput, with attendant increases in power and area. However, it is well known that increased parallelism can also permit a digita ...
AD9225 - Analog Devices
... On-Board Sample-and-Hold Amplifier (SHA)—The versatile SHA input can be configured for either single-ended or differential inputs. Out-of-Range (OTR)—The OTR output bit indicates when the input signal is beyond the AD9225’s input range. ...
... On-Board Sample-and-Hold Amplifier (SHA)—The versatile SHA input can be configured for either single-ended or differential inputs. Out-of-Range (OTR)—The OTR output bit indicates when the input signal is beyond the AD9225’s input range. ...
MT-DB-X3 User Guide November 5, 2014
... The MTDBX3 is a development board for the 64pin Atmel AVR XMEGA A3U, A3BU, C3, and D3 microcontrollers. It can be powered from USB, the PWR IN header, or from a 3V coin cell (CR2032 holder optional). The inputs have PTC resettable fuses (500mA trip) and schottky diodes. Voltage is regulated by t ...
... The MTDBX3 is a development board for the 64pin Atmel AVR XMEGA A3U, A3BU, C3, and D3 microcontrollers. It can be powered from USB, the PWR IN header, or from a 3V coin cell (CR2032 holder optional). The inputs have PTC resettable fuses (500mA trip) and schottky diodes. Voltage is regulated by t ...
Single-Ended Signal Conditioning Circuit for
... measure motor current using fluxgate sensors, typically available from companies like LEM Technologies and VACUUMSCHMELZE. Designs commonly use single-ended ADCs integrated inside the controller for current measurement for industrial motor drives. This design overcomes inaccuracies by using low-cost ...
... measure motor current using fluxgate sensors, typically available from companies like LEM Technologies and VACUUMSCHMELZE. Designs commonly use single-ended ADCs integrated inside the controller for current measurement for industrial motor drives. This design overcomes inaccuracies by using low-cost ...
Revision A - 1/13/96
... catastrophic failure to prevent destruction of the semiconductors and shall not operate as an over-current protection system. Overloads in excess of the rectifier/battery charger's normal rating or sensing of an abnormally high DC voltage condition shall cause the AC input switch to be shunt tripped ...
... catastrophic failure to prevent destruction of the semiconductors and shall not operate as an over-current protection system. Overloads in excess of the rectifier/battery charger's normal rating or sensing of an abnormally high DC voltage condition shall cause the AC input switch to be shunt tripped ...
HMC712 数据资料DataSheet下载
... The HMC712 die is an absorptive Voltage Variable Attenuator (VVA) which operates from 5 - 30 GHz and is ideal in designs where an analog DC control signal must be used to control RF signal levels over a 30 dB amplitude range. It features two shunt-type attenuators which are controlled by two analog ...
... The HMC712 die is an absorptive Voltage Variable Attenuator (VVA) which operates from 5 - 30 GHz and is ideal in designs where an analog DC control signal must be used to control RF signal levels over a 30 dB amplitude range. It features two shunt-type attenuators which are controlled by two analog ...
Surge protection for electrical power installations
... Mains driven equipment are likely to experience a number of differing stimuli from the power system. Among these are the surges generated by switching disturbances such as capacitor bank switching, load changes in the local power distribution system, resonating circuits associated with switching (e. ...
... Mains driven equipment are likely to experience a number of differing stimuli from the power system. Among these are the surges generated by switching disturbances such as capacitor bank switching, load changes in the local power distribution system, resonating circuits associated with switching (e. ...
introduction-to-the
... Blinking Signal can be reused in hundreds of projects. Control sirens, flashing lights, motors, valves, an SOS Beacon Project (light and sound). Only covered output thus far. Can use analog inputs to detect physical phenomena. ...
... Blinking Signal can be reused in hundreds of projects. Control sirens, flashing lights, motors, valves, an SOS Beacon Project (light and sound). Only covered output thus far. Can use analog inputs to detect physical phenomena. ...
neutral grounding resistors
... transformer, rotating machinery, or a system, either solidly or with a current limiting device. Figure 1 illustrates the two types of grounding. ...
... transformer, rotating machinery, or a system, either solidly or with a current limiting device. Figure 1 illustrates the two types of grounding. ...
Electrolytic Capacitor Technical Notes
... Due to the definition of FIT, the same FIT rate can be calculated in both cases of testing on the large number of tested components and also testing for long test periods of time. However, these cases mean differently for aluminum electrolytic capacitors. Using the failure rate is not suited to expr ...
... Due to the definition of FIT, the same FIT rate can be calculated in both cases of testing on the large number of tested components and also testing for long test periods of time. However, these cases mean differently for aluminum electrolytic capacitors. Using the failure rate is not suited to expr ...
SN74CBTLV16211C 数据资料 dataSheet 下载
... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant ...
... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant ...
I. Chilli pro 12-10i DIMMER rACK(S)
... 2. Each 200-270VAC dimmer module, with circuitry in the Digital Controller, regulates output voltage with changes in the AC line from 200 to 270 volts RMS. 3. The dimmer output levels shall be regulated for incoming line voltage variations. Dimmers will maintain output RMS voltage within +/-2% with ...
... 2. Each 200-270VAC dimmer module, with circuitry in the Digital Controller, regulates output voltage with changes in the AC line from 200 to 270 volts RMS. 3. The dimmer output levels shall be regulated for incoming line voltage variations. Dimmers will maintain output RMS voltage within +/-2% with ...
Variable-frequency drive

A variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.VFDs are used in applications ranging from small appliances to the largest of mine mill drives and compressors. However, around 25% of the world's electrical energy is consumed by electric motors in industrial applications, which are especially conducive for energy savings using VFDs in centrifugal load service, and VFDs' global market penetration for all applications is still relatively small. That lack of penetration highlights significant energy efficiency improvement opportunities for retrofitted and new VFD installations.Over the last four decades, power electronics technology has reduced VFD cost and size and has improved performance through advances in semiconductor switching devices, drive topologies, simulation and control techniques, and control hardware and software.VFDs are available in a number of different low- and medium-voltage AC-AC and DC-AC topologies.