• No results found

power supplies

Power Supplies in Medical Electronics

Power Supplies in Medical Electronics

... for power supplies in electronic equipment than in the field of medical ...operation. Power supplies must not only deliver the specified electrical performance but must also meet stringent ...

5

PCB Layout Considerations for Non-Isolated Switching Power Supplies

PCB Layout Considerations for Non-Isolated Switching Power Supplies

... you power up a prototype supply board for the very first time is when it not only works, but also runs quiet and ...switching power supplies is “unstable” switching ...

14

REVIEW STUDY ON COMMISSION REGULATION (EC) NO. 278/2009 EXTERNAL POWER SUPPLIES

REVIEW STUDY ON COMMISSION REGULATION (EC) NO. 278/2009 EXTERNAL POWER SUPPLIES

...  Opportunity for improvement: Medium. As the suggestion of measurement of efficien- cy at the 10% level is a recent one for external power supplies, there is not an extensive evidence base to facilitate ...

21

Sequencing Power Supplies in Multiple Voltage Rail Environments

Sequencing Power Supplies in Multiple Voltage Rail Environments

... during power up and power down in systems where multiple power rails are ...requiring power supply ...when power supply sequencing is not designed ...if power supplies are ...

32

Power Supplies. Created by Ladyada. Last updated on :05:07 PM EDT

Power Supplies. Created by Ladyada. Last updated on :05:07 PM EDT

... to power supplies until problems show ...your power supply from day one - How are you going to power it? How long will the batteries last? Will it overheat? Can it get damaged by accidentally ...

20

Communicating Power Supplies: Bringing the Internet to the Ubiquitous Energy Gateways of Electronic Device

Communicating Power Supplies: Bringing the Internet to the Ubiquitous Energy Gateways of Electronic Device

... trading power supplies that are accessible as a piece of each electronic ...compel supplies switch voltage and current through a transformer at rates something like 1 and 100 kHz depending upon the ...

6

Conceptual Design of DC Power Supplies for FFHR Superconducting Magnet

Conceptual Design of DC Power Supplies for FFHR Superconducting Magnet

... the power systems for the FFHR super- conducting coil are ...single power supply was designed for FFHR- 2 ml, which requires only steady-state ...the power supplies were ...

5

Interacting Power Supplies: Making Internet an Omnipresent Energy Gateways for Electronic Devices

Interacting Power Supplies: Making Internet an Omnipresent Energy Gateways for Electronic Devices

... The power supply varies the duty cycle of the switch which controls the current in magnetic element, and accordingly the power in the outputs ...The power supplies which are now available in ...

9

Reducing sizes of control power transformers and power supplies with Eaton s XT IEC motor control

Reducing sizes of control power transformers and power supplies with Eaton s XT IEC motor control

... Power supplies are sized based on the amount of inrush (surge) and sealed (nominal or steady-state) power demands of the loads applied to the power ...

16

Switching Optimization for Class G Audio Amplifiers with Two Power Supplies

Switching Optimization for Class G Audio Amplifiers with Two Power Supplies

... lowest power sup- ply should be minimized even if the highest power sup- ply is at ...two power supplies in order to see if the results could be ...

9

TP50/TP80/TP130/TP150/TP350 Power Supplies Rev. E

TP50/TP80/TP130/TP150/TP350 Power Supplies Rev. E

... The power supply has the following electrical safety degree: IP 20 (according to EN 60529 ...The power supplies are designed to operate in a non-aggressive and clean environment, with a (non- ...

13

Computer Network Infrastructure Switches and Uninterruptable Power Supplies Request for Proposal

Computer Network Infrastructure Switches and Uninterruptable Power Supplies Request for Proposal

... specifically switches, both PoE and non-PoE, as well as uninterruptable power supplies. The method and timing of replacement will be governed by many factors. Subsequent to this RFP EPS may negotiate a ...

6

Developing Communicating Power Supplies to Monitor & Control Miscellaneous Electric Loads

Developing Communicating Power Supplies to Monitor & Control Miscellaneous Electric Loads

... A large fraction of these plug loads are miscellaneous electronic devices (MELs) such as TVs and associated entertainment equipment, phones, and printers. These devices usually have either internal or external AC to DC ...

7

Stairway control of buck power supplies in parallel configuration

Stairway control of buck power supplies in parallel configuration

... Power supplies are configured in parallel to provide higher current demand to the load, while achieving modularity by using low-power power converter ...of power converters is installed ...

7

A Fully-Integrated Buck Converter Design and Implementation for On-Chip Power Supplies

A Fully-Integrated Buck Converter Design and Implementation for On-Chip Power Supplies

... external power supplies and control logic are incapable of responding to load conditions without significant delay ...monolithic power supply circuit including both active and passive elements must ...

8

Challenges and implementation aspects of switched-mode power supplies with digital control for automotive applications

Challenges and implementation aspects of switched-mode power supplies with digital control for automotive applications

... This paper presents that limit cycle oscillations can be pre- vented by securing that the resolution of the DAC is higher than the resolution of the ADC and by implementing a controller with integral term. Furthermore, ...

6

The Laboratory Staff will not help debug any circuit whose power supplies have not been properly decoupled!

The Laboratory Staff will not help debug any circuit whose power supplies have not been properly decoupled!

... Unfortunately not even clean circuit layouts will always suppress the oscillations. At very high fre- quencies, the internal capacitances inside components, aided by the inductances formed by the com- ponent leads, can ...

11

Comparison of Control Strategies for a Multilevel Type Full Bridge Converter used in Telecom Power Supplies

Comparison of Control Strategies for a Multilevel Type Full Bridge Converter used in Telecom Power Supplies

... The ac-dc converters needed to be more efficient with low cost due to its use in many off-line power supplies. For this, power factor correction (PFC) stages were added in front of the dc-dc ...

8

Specialized switching-mode power supplies (SMPS) for photovoltaic and conventional LED lighting systems

Specialized switching-mode power supplies (SMPS) for photovoltaic and conventional LED lighting systems

... DC power supply requires non-linear switching-mode voltage sources to increase power ...electric power due to the absorbed current harmonics and their propagation through the ...design power ...

11

NEC Class 2 Power Circuits and Power Supplies

NEC Class 2 Power Circuits and Power Supplies

... covers power supplies with DC output. Sola/Hevi-Duty only has DC power supplies, not Class 2 transformers, therefore only table 11(b) will be further ...

8

Show all 10000 documents...

Related subjects