Technical Features

March 2011
Qorvo Hard-Wires Safety Features into Motor Controllers for 44V-72V Power Tools and Appliances

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Figure 1: PAC52711

Introduction We're all familiar with the pervasive hum of gas-powered gardening equipment in the spring, summer and fall, from hedge trimmers, leaf blowers, chainsaws, and jack hammers, not to mention the droning of snowblowers in the winter. While gas-powered tools have long been a staple for outdoor mainte
Date:
05/31/2024
PV Off-the-Roll

Photo by Solarion AG

Thin-film solar cells are developing into a rapidly growing market segment. If their commercial potential is to be fully exploited, the solar modules must be produced in a roll-to-roll manufacturing
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Date:
03/24/2011
Grounding Transformers

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Figure 1 - Typical wind farm configuration

The grounding transformer is an often neglected component of the wind farm - shunted off to a sidebar issue. However, those who neglect to adequately plan for grounding transformers do so at their
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Date:
03/24/2011
Surge Current Limitations

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Figure 1: I-V characteristics of 10ms half sine pulses at different peak currents. Curve (c) is slightly above, curve (d) is far above the destruction threshold.

The ability of silicon power diodes to withstand a rapid forward current load, described by its i2t-value, is an important criterion that has to be regarded in the selection of the proper devices
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Date:
03/24/2011
Effective Contact

ITT Interconnect Solutions' EVC series connectors

This advanced charging in electric vehicles (EV) requires highly efficient power contacts to provide flexible functionality, with minimal modifications, across a power range from a low of 15 amps/120
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Date:
03/24/2011
An engineer designing with FPGAs or Processors often has to provide some serious amount of power at high efficiency over load. Not only must the rails be regulated correctly and not overheat, but additional functionality may be required. Recent evaluation boards from Xilinx (ML605 and SP605) for Virtex-6 and Spart
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Date:
03/15/2011
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