Silicon Graphics - Crittenden Campus 16470-1
... A. Where indicated on the drawings, each utility metering vertical section shall contain or provide provisions for current transformers, voltage transformers and any relays as specified by the local utility. The construction shall conform to the utility company’s metering standards as specified by t ...
... A. Where indicated on the drawings, each utility metering vertical section shall contain or provide provisions for current transformers, voltage transformers and any relays as specified by the local utility. The construction shall conform to the utility company’s metering standards as specified by t ...
MAX16838 Integrated, 2-Channel, High-Brightness LED Driver with High-Voltage Boost and SEPIC Controller
... supports the boost or SEPIC topologies and operates in an adjustable frequency range between 200kHz and 2MHz. The current-mode control provides fast response and simplifies loop compensation. The MAX16838 also features an adaptive output-voltage adjustment scheme that minimizes the power dissipation ...
... supports the boost or SEPIC topologies and operates in an adjustable frequency range between 200kHz and 2MHz. The current-mode control provides fast response and simplifies loop compensation. The MAX16838 also features an adaptive output-voltage adjustment scheme that minimizes the power dissipation ...
FED 101: Computer Engineering Module Version 1.3
... pressure in a hydraulic system. For a given size pipe, it is the pressure difference across the pipe, in pounds per square inch, that determines the flow, in gallons per minute, in the pipe. The larger the pressure difference, the greater the flow in the pipe. The same can be said of electrical devi ...
... pressure in a hydraulic system. For a given size pipe, it is the pressure difference across the pipe, in pounds per square inch, that determines the flow, in gallons per minute, in the pipe. The larger the pressure difference, the greater the flow in the pipe. The same can be said of electrical devi ...
MAX44281 Ultra-Small, Ultra-Thin, 4-Bump Op Amp General Description Benefits and Features
... VDD to ground. During shutdown, both the input and the output are high-impedance. The input and output of the MAX44281 enter a high-impedance state when the device enters shutdown. Since shutdown is triggered by lowering the supply voltage to below 0.5V, the ESD protection diodes at the output limit ...
... VDD to ground. During shutdown, both the input and the output are high-impedance. The input and output of the MAX44281 enter a high-impedance state when the device enters shutdown. Since shutdown is triggered by lowering the supply voltage to below 0.5V, the ESD protection diodes at the output limit ...
FHR1200 Micro-Power, Ultra Wide Voltage Regulator FHR120 0 —
... low operating power, wide temperature, and wide voltage range is important. The regulator also features better stability and faster response than many existing regulators. Unlike the LM431 type of part, the FHR1200 can directly drive a power supply controller thus saving parts count ...
... low operating power, wide temperature, and wide voltage range is important. The regulator also features better stability and faster response than many existing regulators. Unlike the LM431 type of part, the FHR1200 can directly drive a power supply controller thus saving parts count ...
LM3914 Dot/Bar Display Driver (Rev. B)
... programmable, eliminating the need for resistors. This feature is one that allows operation of the whole system from less than 3V. The circuit contains its own adjustable reference and accurate 10-step voltage divider. The low-bias-current input buffer accepts signals down to ground, or V−, yet need ...
... programmable, eliminating the need for resistors. This feature is one that allows operation of the whole system from less than 3V. The circuit contains its own adjustable reference and accurate 10-step voltage divider. The low-bias-current input buffer accepts signals down to ground, or V−, yet need ...
Journal of Environmental Science, Computer Science and
... analysis of firing angle based speed control technique. The best control characteristics of DC motor have used in industries for different rang of loading condition. A dual converter comprised of two single phase AC-DC thyristor converter is proposed. Speed of DC motor is controlled by controlling t ...
... analysis of firing angle based speed control technique. The best control characteristics of DC motor have used in industries for different rang of loading condition. A dual converter comprised of two single phase AC-DC thyristor converter is proposed. Speed of DC motor is controlled by controlling t ...
CP35508515
... one controller to regulate the DC link voltage along with the power factor correction. The absence of a second controller has a greater impact on the performance of single-stage PFC converters and requires a design to operate over a much wider range of operating conditions. For the proposed voltage ...
... one controller to regulate the DC link voltage along with the power factor correction. The absence of a second controller has a greater impact on the performance of single-stage PFC converters and requires a design to operate over a much wider range of operating conditions. For the proposed voltage ...
1. Introduction - About the journal
... (6). Theoretical gains B2 = 3 (Fig. 6) and B2 = 2 (Fig. 7) are required to start the oscillations. Possibility of independent adjusting of f0 and CO by B1 or R1 and B2 is obvious. Control of f0 by only one parameter (B1) without another matching condition is advantageous. We are interested only in d ...
... (6). Theoretical gains B2 = 3 (Fig. 6) and B2 = 2 (Fig. 7) are required to start the oscillations. Possibility of independent adjusting of f0 and CO by B1 or R1 and B2 is obvious. Control of f0 by only one parameter (B1) without another matching condition is advantageous. We are interested only in d ...
+ + + + - ON OFF ML - Magnetic Latching
... To unset (open) the contactor a pulse of 0.25 seconds duration is applied at the coil supply voltage. Once unset (open) the contactor will remain unset (open), even if there is a power outage. Subsequent pulses and voltages at the same polarity will not affect its status. To set (close) it again the ...
... To unset (open) the contactor a pulse of 0.25 seconds duration is applied at the coil supply voltage. Once unset (open) the contactor will remain unset (open), even if there is a power outage. Subsequent pulses and voltages at the same polarity will not affect its status. To set (close) it again the ...
ES636 True RMS-to-DC Converters Features
... current it draws at this mode is less than 1uA. Choosing the Averaging Time Constant The ES636 computes the RMS value of AC andd DC signals. At low frequencies and DC, the output tracks the input exactly; at higher frequencies, the average output approaches the RMS value of the input signal. The act ...
... current it draws at this mode is less than 1uA. Choosing the Averaging Time Constant The ES636 computes the RMS value of AC andd DC signals. At low frequencies and DC, the output tracks the input exactly; at higher frequencies, the average output approaches the RMS value of the input signal. The act ...
Stepper Motor Driver MC3479
... calculated TJ had been higher than 150°C, a heatsink such as the Staver Co. V–7 Series, Aavid #5802, or Thermalloy #6012 could be used to reduce RθJA. In extreme cases, forced air cooling should be considered. The above calculation, and RθJA, assumes that a ground plane is provided under the MC3479 ...
... calculated TJ had been higher than 150°C, a heatsink such as the Staver Co. V–7 Series, Aavid #5802, or Thermalloy #6012 could be used to reduce RθJA. In extreme cases, forced air cooling should be considered. The above calculation, and RθJA, assumes that a ground plane is provided under the MC3479 ...
III. Obsrvations and Discussions
... Variation of maximum voltage gain with drain resistance RD and load resistance RL is also observed but not shown in form of figure. Voltage gain for both the amplifiers increases almost linearly with increasing R D in the range of 0.5K
... Variation of maximum voltage gain with drain resistance RD and load resistance RL is also observed but not shown in form of figure. Voltage gain for both the amplifiers increases almost linearly with increasing R D in the range of 0.5K
INA133 数据资料 dataSheet 下载
... trimmed to match R4. However, the absolute values may not be equal (R1 + R2 may be slightly different than R3 + R4). Thus, large series resistors on the input (greater than 250Ω), even if well matched, will degrade common-mode rejection. ...
... trimmed to match R4. However, the absolute values may not be equal (R1 + R2 may be slightly different than R3 + R4). Thus, large series resistors on the input (greater than 250Ω), even if well matched, will degrade common-mode rejection. ...
Chapter 2
... Oscilloscope exercise. Oscilloscopes measure voltage as a function of time, so a DC signal, which doesn't vary with time, will be displayed as a horizontal line. For this lesson we'll simply put a 5 VDC signal into channel 1. Set channel 1 VOLTS/DIV (16) to 2 volts. This setting will be displayed on ...
... Oscilloscope exercise. Oscilloscopes measure voltage as a function of time, so a DC signal, which doesn't vary with time, will be displayed as a horizontal line. For this lesson we'll simply put a 5 VDC signal into channel 1. Set channel 1 VOLTS/DIV (16) to 2 volts. This setting will be displayed on ...
Bollman-etal-IEEE-ESARS-2015-Development-of-voltage
... Bulk power grid standards vary by region and by application. Despite the differences there are common areas of regulation. ANSI C84.1 establishes nominal voltage rating and operating tolerances for 60 Hz electric power systems above 100V and up to and including 1200 kV [4]. ANSI C84.1 takes an appro ...
... Bulk power grid standards vary by region and by application. Despite the differences there are common areas of regulation. ANSI C84.1 establishes nominal voltage rating and operating tolerances for 60 Hz electric power systems above 100V and up to and including 1200 kV [4]. ANSI C84.1 takes an appro ...
Islamic University of Gaza Faculty of Engineering Electrical
... The main features of three-phase circuits that are important to recall are that there are two types of connections, wye and delta. Furthermore, in wye-connected threephase circuits, the line voltages are greater than the phase voltages by the factor √3 and the line and phase currents are equal. On t ...
... The main features of three-phase circuits that are important to recall are that there are two types of connections, wye and delta. Furthermore, in wye-connected threephase circuits, the line voltages are greater than the phase voltages by the factor √3 and the line and phase currents are equal. On t ...
FSFR-XS Series — Fairchild Power Switch (FPS™) for Half-Bridge Resonant Converters
... on PCB layout. The direction of the magnetic field on the components caused by the primary current flow is changed when the high- and low-side MOSFET turn on by turns. The magnetic fields with opposite directions induce a current through, into, or out of the RT pin, which makes the turn-on duration ...
... on PCB layout. The direction of the magnetic field on the components caused by the primary current flow is changed when the high- and low-side MOSFET turn on by turns. The magnetic fields with opposite directions induce a current through, into, or out of the RT pin, which makes the turn-on duration ...
AND8396 - Implementing Power Factor Correction with the NCP1608
... The power components are sized such that there is sufficient margin to sustain the currents and voltages applied to them. At minimum line input voltage and maximum output power the inductor peak current is at the maximum, which causes the greatest stress to the power components. The components are r ...
... The power components are sized such that there is sufficient margin to sustain the currents and voltages applied to them. At minimum line input voltage and maximum output power the inductor peak current is at the maximum, which causes the greatest stress to the power components. The components are r ...
3-phase AC circuits
... A 3-wire Y-Y circuit would not necessarily have the neutral current InN = 0, and the node equation at node N needs to be solved. However, it can be shown that for a balanced 3wire Y-Y circuit, the neutral current InN = 0. The balanced three-wire Y-to-Y circuit acts like the balanced four-wire Y-to-Y ...
... A 3-wire Y-Y circuit would not necessarily have the neutral current InN = 0, and the node equation at node N needs to be solved. However, it can be shown that for a balanced 3wire Y-Y circuit, the neutral current InN = 0. The balanced three-wire Y-to-Y circuit acts like the balanced four-wire Y-to-Y ...