View - The IJST
... pass filter will introduce a phase delay for the zero crossing of the phase back EMF. The first problem with this scheme is low signal/noise ratio at low speed, since the back EMF amplitude is directly proportional to the motor speed. The second problem is that the low pass filter at high speed intr ...
... pass filter will introduce a phase delay for the zero crossing of the phase back EMF. The first problem with this scheme is low signal/noise ratio at low speed, since the back EMF amplitude is directly proportional to the motor speed. The second problem is that the low pass filter at high speed intr ...
FDS4470 40V N-Channel PowerTrench MOSFET
... (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. ...
... (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. ...
A 93% efficient LED driver solution for the US market
... LED current vs. line voltage for 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Power factor vs. line voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Efficiency vs. line voltage . . . . . . . . . ...
... LED current vs. line voltage for 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Power factor vs. line voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Efficiency vs. line voltage . . . . . . . . . ...
Pulse and Exponential Waveforms in PSPICE
... The transient analysis is set to run for 10 seconds and the initial inductor current is set to zero. Note that even though the pulse repeats in 10 seconds, the analysis ends before this repeat occurs. Thus, we are effectively simulating a single pulse input. The results of the analysis showing the i ...
... The transient analysis is set to run for 10 seconds and the initial inductor current is set to zero. Note that even though the pulse repeats in 10 seconds, the analysis ends before this repeat occurs. Thus, we are effectively simulating a single pulse input. The results of the analysis showing the i ...
PSA NOTES
... Steady state stability Ability of the power system to regain synchronism after small and slow disturbances (like gradual power changes) Dynamic stability Ability of the power system to regain synchronism after small disturbances occurring for a long time (like changes in turbine speed, change in ...
... Steady state stability Ability of the power system to regain synchronism after small and slow disturbances (like gradual power changes) Dynamic stability Ability of the power system to regain synchronism after small disturbances occurring for a long time (like changes in turbine speed, change in ...
INSTALLATION INSTRUCTIONS FOR SYMCOM`S MOTORSAVER
... remain de-energized until the reset button is pressed. The green and red lights will indicate the last fault or current fault if the unit has tripped off. Otherwise the green and red lights will flash in unison until the reset button is pressed. MANUAL RESET SWITCH INSTALLATION The Model 460-MR is s ...
... remain de-energized until the reset button is pressed. The green and red lights will indicate the last fault or current fault if the unit has tripped off. Otherwise the green and red lights will flash in unison until the reset button is pressed. MANUAL RESET SWITCH INSTALLATION The Model 460-MR is s ...
Equalizing voltage levels in MV distribution network of Elektra Zagreb
... On fig. 5 are shown new values of voltage levels in substations from fig. 2 that were calculated using data obtained from that measurement campaign (shown on fig. 4). Comparing data from fig. 4 with data on fig. 5, it can be noticed that the difference in voltage levels between two extreme values ha ...
... On fig. 5 are shown new values of voltage levels in substations from fig. 2 that were calculated using data obtained from that measurement campaign (shown on fig. 4). Comparing data from fig. 4 with data on fig. 5, it can be noticed that the difference in voltage levels between two extreme values ha ...
1.8-V MICROPOWER CMOS OPERATIONAL AMPLIFIER ZERO-DRIFT SERIES OPA2333-Q1 FEATURES
... junctions formed from connecting dissimilar conductors. These thermally-generated potentials can be made to cancel by ensuring they are equal on both input terminals. Other layout and design considerations include: • Use low thermoelectric-coefficient conditions (avoid dissimilar metals) • Thermally ...
... junctions formed from connecting dissimilar conductors. These thermally-generated potentials can be made to cancel by ensuring they are equal on both input terminals. Other layout and design considerations include: • Use low thermoelectric-coefficient conditions (avoid dissimilar metals) • Thermally ...
AND8396 - Implementing Power Factor Correction with the NCP1608
... and over stresses the components. The NCP1608 includes a feature to protect the system if FB is floating. The internal pull-down resistor (RFB) ensures that VFB is below the UVP threshold if the FB pin is floating. If the FB pin floats during operation, VFB begins decreasing from VREF. The rate of d ...
... and over stresses the components. The NCP1608 includes a feature to protect the system if FB is floating. The internal pull-down resistor (RFB) ensures that VFB is below the UVP threshold if the FB pin is floating. If the FB pin floats during operation, VFB begins decreasing from VREF. The rate of d ...
LAB#5 - SIUE
... 2. To observe the characteristics of the wound rotor induction motor at no load and at full load. 3. To observe speed control using an external variable resistance. DISCUSSION The three ends of the three-phase rotor windings are brought out to three slip rings mounted on the rotor shaft. The brushes ...
... 2. To observe the characteristics of the wound rotor induction motor at no load and at full load. 3. To observe speed control using an external variable resistance. DISCUSSION The three ends of the three-phase rotor windings are brought out to three slip rings mounted on the rotor shaft. The brushes ...
Lock-In Specification - Perfect Power Systems
... Reliable input protection: The UPS shall utilize Circuit breakers in each individual input loop to ensure power can continue through another loop in case of breaker trip caused by an abnormal condition in either rectifier or load. Input surge protection: The UPS shall employ MOV (surge protector ...
... Reliable input protection: The UPS shall utilize Circuit breakers in each individual input loop to ensure power can continue through another loop in case of breaker trip caused by an abnormal condition in either rectifier or load. Input surge protection: The UPS shall employ MOV (surge protector ...
The importance of trip-free operation and its characteristics
... Unfortunately, there are many misconceptions about this characteristic. Definitions ...
... Unfortunately, there are many misconceptions about this characteristic. Definitions ...
V430-J-RA22 - Unitronics
... All of the controllers covered in this guide are micro-OPLCs, rugged programmable logic controllers that comprise built-in operating panels and on-board I/Os. ...
... All of the controllers covered in this guide are micro-OPLCs, rugged programmable logic controllers that comprise built-in operating panels and on-board I/Os. ...
AN-916 A Multifunction Power Meter Reference Design Based on
... ADE7569, integrates the analog front end and fixed function DSP of the Analog Devices, Inc., energy (ADE) metering ICs with an enhanced 8052 MCU core. The integrated RTC, LCD driver, and peripherals create an electronic energy meter with an LCD display within a single part. The ADE7566/ADE7569/ ADE7 ...
... ADE7569, integrates the analog front end and fixed function DSP of the Analog Devices, Inc., energy (ADE) metering ICs with an enhanced 8052 MCU core. The integrated RTC, LCD driver, and peripherals create an electronic energy meter with an LCD display within a single part. The ADE7566/ADE7569/ ADE7 ...
Hot Swap Device MP5022A
... Hot swap system experience positive transient on the input during hot plug or rapid turnoff with high current due to parasitic inductance in the input circuit. For Input transient protection, a TVS diode (transient voltage suppressor, a type of Zener diode), may be required on the input to limit tra ...
... Hot swap system experience positive transient on the input during hot plug or rapid turnoff with high current due to parasitic inductance in the input circuit. For Input transient protection, a TVS diode (transient voltage suppressor, a type of Zener diode), may be required on the input to limit tra ...
AD8235 英文数据手册DataSheet 下载
... Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. N ...
... Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. N ...
Section 4-2_Surge
... c) For a four-wire connection that uses simplex pairs for signaling, tip to ring-1 and ring to tip-1. 4.2.2.1.2 The surge shall have an open circuit voltage waveform in accordance with Figure 4.2 having a front time (tf) of 10 µs maximum (6 µs minimum) and a decay time (td) of 560 µs minimum (860 µs ...
... c) For a four-wire connection that uses simplex pairs for signaling, tip to ring-1 and ring to tip-1. 4.2.2.1.2 The surge shall have an open circuit voltage waveform in accordance with Figure 4.2 having a front time (tf) of 10 µs maximum (6 µs minimum) and a decay time (td) of 560 µs minimum (860 µs ...
Errors and Warnings in WindMil
... What are Errors and Warnings? • Errors and warnings in WindMil indicate missing or invalid information, or incorrect setup of something within the model required for the current task • The Errors and Warnings attempt to give the end user enough information to correctly identify and fix any issues ...
... What are Errors and Warnings? • Errors and warnings in WindMil indicate missing or invalid information, or incorrect setup of something within the model required for the current task • The Errors and Warnings attempt to give the end user enough information to correctly identify and fix any issues ...
Turkey Point Units 6 & 7 COL Application Part 2 — FSAR
... Replace the existing information in DCD Subsection 8.1.1 with the following: FPL owns and operates the power transmission system for Turkey Point Units 6 & 7. FPL is the largest investor-owned electric utility in Florida, serving more than 4.4 million customers. The FPL power transmission system con ...
... Replace the existing information in DCD Subsection 8.1.1 with the following: FPL owns and operates the power transmission system for Turkey Point Units 6 & 7. FPL is the largest investor-owned electric utility in Florida, serving more than 4.4 million customers. The FPL power transmission system con ...