Durham Research Online
... these systems show improved reliability and allow a greater output voltage. They use unidirectional switches; moreover, a capacitor/inductor in the DC link provides decoupling between the rectifier and the inverter, so that the two converters can be driven independently using PWM techniques like SPW ...
... these systems show improved reliability and allow a greater output voltage. They use unidirectional switches; moreover, a capacitor/inductor in the DC link provides decoupling between the rectifier and the inverter, so that the two converters can be driven independently using PWM techniques like SPW ...
Closed Form Solution for Minimum Conduction Loss
... The modulation schemes summarized with (1) gain one degree of freedom compared to CPM by either changing D1 or D2 , which is most often used to extend the converter’s operating range where low switching losses occur (ZVS range of the DAB) [15]. A possible selection of D1 or D2 , useful to achieve an ...
... The modulation schemes summarized with (1) gain one degree of freedom compared to CPM by either changing D1 or D2 , which is most often used to extend the converter’s operating range where low switching losses occur (ZVS range of the DAB) [15]. A possible selection of D1 or D2 , useful to achieve an ...
UCC25701 数据资料 dataSheet 下载
... and provides fast and accurate response to input voltage changes over a 4:1 range. An accurate volt-second clamp and maximum duty cycle limit are also featured. Fault protection is provided by pulse by pulse current limiting as well as the ability to latch off after a programmable number of repetiti ...
... and provides fast and accurate response to input voltage changes over a 4:1 range. An accurate volt-second clamp and maximum duty cycle limit are also featured. Fault protection is provided by pulse by pulse current limiting as well as the ability to latch off after a programmable number of repetiti ...
BU4S584G2
... In the construction of this IC, P-N junctions are inevitably formed creating parasitic diodes or transistors. The operation of these parasitic elements can result in mutual interference among circuits, operational faults, or physical damage. Therefore, conditions which cause these parasitic elements ...
... In the construction of this IC, P-N junctions are inevitably formed creating parasitic diodes or transistors. The operation of these parasitic elements can result in mutual interference among circuits, operational faults, or physical damage. Therefore, conditions which cause these parasitic elements ...
Switch-on-to-Fault Schemes in the Context of Line Relay Loadability
... 2. When an impedance protection scheme uses line-side voltage transformers, SOTF current fault detectors may operate significantly faster than impedance units when a breaker is closed into a fault anywhere on the line. The dynamic characteristics of typical impedance units are such that their speed ...
... 2. When an impedance protection scheme uses line-side voltage transformers, SOTF current fault detectors may operate significantly faster than impedance units when a breaker is closed into a fault anywhere on the line. The dynamic characteristics of typical impedance units are such that their speed ...
NDM2Z-12V
... available from conventional analog POL offerings. Power Management Overview The NDM2Z-12 module incorporates a wide range of power management features. All power management functions can be configured via the SMBus interface. The NDM2Z-12 can monitor and report many characteristics of the module inc ...
... available from conventional analog POL offerings. Power Management Overview The NDM2Z-12 module incorporates a wide range of power management features. All power management functions can be configured via the SMBus interface. The NDM2Z-12 can monitor and report many characteristics of the module inc ...
Auto transformer
... • As only one winding is uses the copper required for the transformer is very less • The size and hence the cost is reduced as ccompared to the conventional transformer • The losses taking place in the winding are reduced the efficiency is higher then the conventional transformer • Due to reduced r ...
... • As only one winding is uses the copper required for the transformer is very less • The size and hence the cost is reduced as ccompared to the conventional transformer • The losses taking place in the winding are reduced the efficiency is higher then the conventional transformer • Due to reduced r ...
Stakeholder Comparison Comment Rationale Matrix 2010-07-15 AESO AUTHORITATIVE DOCUMENT PROCESS
... NOTE: The AESO is asking market participants to give an initial indication of their support for, or opposition to, the specific Alberta Reliability Standard variances to the NERC requirements referenced below. Such an initial indication assists in the AESO’s practical understanding of the receptivit ...
... NOTE: The AESO is asking market participants to give an initial indication of their support for, or opposition to, the specific Alberta Reliability Standard variances to the NERC requirements referenced below. Such an initial indication assists in the AESO’s practical understanding of the receptivit ...
TPS65020EVM-110 数据资料 dataSheet 下载
... Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware prod ...
... Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware prod ...
Introduction
... pipelining to keep throughput constant Power per transistor is not same as power per area power density is the problem! Multiple units can be run at lower frequencies to keep ...
... pipelining to keep throughput constant Power per transistor is not same as power per area power density is the problem! Multiple units can be run at lower frequencies to keep ...
PS9332L, PS9332L2 Data Sheet
... electricity when handling. 2. Board designing (1) By-pass capacitor of more than 1.0 μF is used between VCC and GND near device. Also, ensure that the distance between the leads of the photocoupler and capacitor is no more than 10 mm. (2) When designing the printed wiring board, ensure that the patt ...
... electricity when handling. 2. Board designing (1) By-pass capacitor of more than 1.0 μF is used between VCC and GND near device. Also, ensure that the distance between the leads of the photocoupler and capacitor is no more than 10 mm. (2) When designing the printed wiring board, ensure that the patt ...
BDTIC CoolSET™ F3R80 ICE3AR4780VJZ
... good for high voltage margin low power SMPS application such as white goods, auxiliary power supply for PC and server. The major characteristics are that the IC is developed with 800V CoolMOS™ with start up cell, having adjustable input OVP feature, running at 100kHz switching frequency and packed i ...
... good for high voltage margin low power SMPS application such as white goods, auxiliary power supply for PC and server. The major characteristics are that the IC is developed with 800V CoolMOS™ with start up cell, having adjustable input OVP feature, running at 100kHz switching frequency and packed i ...
CONTROL SYSTEM LAB LAB MANUAL (EC-616-F)
... phase difference for each test frequency. Connect the sine wave with lag input .connect CRO across input and output. Note the output voltage, phase difference for each test frequency. Prepare a table between input/output voltage, gain magnitude in db and phase angle in degrees. Plot a graph accordin ...
... phase difference for each test frequency. Connect the sine wave with lag input .connect CRO across input and output. Note the output voltage, phase difference for each test frequency. Prepare a table between input/output voltage, gain magnitude in db and phase angle in degrees. Plot a graph accordin ...
High Voltage Engineering
... The power frequency single-phase transformer is the most common form of HVAC testing apparatus. Designed for operation at the same frequency as the normal working frequency of the test objects (i.e., 60 or 50 Hz), they may also be used for higher frequencies with rated voltage, or for lower frequenc ...
... The power frequency single-phase transformer is the most common form of HVAC testing apparatus. Designed for operation at the same frequency as the normal working frequency of the test objects (i.e., 60 or 50 Hz), they may also be used for higher frequencies with rated voltage, or for lower frequenc ...
TDA8947J 4-channel audio amplifier
... The TDA8947J contains two types of detection sensors: one measures local temperatures of the power stages and one measures the global chip temperature. At a local temperature of approximately 185 °C or a global temperature of approximately 150 °C, this detection circuit switches off the power stages ...
... The TDA8947J contains two types of detection sensors: one measures local temperatures of the power stages and one measures the global chip temperature. At a local temperature of approximately 185 °C or a global temperature of approximately 150 °C, this detection circuit switches off the power stages ...
TDA8954 1. General description 2
... When OCP is activated, the active power transistor is turned off and the other power transistor is turned on to reduce the current (CPROT is partially discharged). Normal operation is resumed at the next switching cycle (CPROT is recharged). CPROT is partially discharge each time OCP is activated du ...
... When OCP is activated, the active power transistor is turned off and the other power transistor is turned on to reduce the current (CPROT is partially discharged). Normal operation is resumed at the next switching cycle (CPROT is recharged). CPROT is partially discharge each time OCP is activated du ...
By using Boostable Repeater with capacitor charge pump
... Charge pump [5] circuits are mostly used in the applications where voltages higher than the nominal power supply voltages. High voltages are necessary for the programming of nonvolatile memories, for biasing the PMOS in order to reduce the leakage currents and for driving electrostatic actuators and ...
... Charge pump [5] circuits are mostly used in the applications where voltages higher than the nominal power supply voltages. High voltages are necessary for the programming of nonvolatile memories, for biasing the PMOS in order to reduce the leakage currents and for driving electrostatic actuators and ...
The Tech2 L200 Variable Voltage Regulator
... power. But the fact the LED is on will indicate it's the fuse that's the problem. The value of FS1 should be set to a level sufficient to protect the equipment you are using. A laptop will have very short-term current demands of up to 2 or 3 Amps (for a fraction of a second). The L200 will supply th ...
... power. But the fact the LED is on will indicate it's the fuse that's the problem. The value of FS1 should be set to a level sufficient to protect the equipment you are using. A laptop will have very short-term current demands of up to 2 or 3 Amps (for a fraction of a second). The L200 will supply th ...
74CBTLV3244 8-bit bus switch with 4-bit output enables
... The 74CBTLV3244 is a dual 4-pole, single-throw bus switch. The device features two output enable inputs (nOE) that each control four switch channels. The switches are disabled when the associated nOE input is HIGH. Schmitt trigger action at control inputs makes the circuit tolerant of slower input r ...
... The 74CBTLV3244 is a dual 4-pole, single-throw bus switch. The device features two output enable inputs (nOE) that each control four switch channels. The switches are disabled when the associated nOE input is HIGH. Schmitt trigger action at control inputs makes the circuit tolerant of slower input r ...