More about power (1013)

1-05-2007 | Controlling the speed of an asynchronous motor requires a three-phase frequency inverter. The ATAVRMC200 evaluation kit from Atmel is based...

1-05-2007 | Although the acronym ‘LED’ has stood for ‘light-emitting diode’ since the 1960’s, LEDs have only recently started to emit significant amount...

1-05-2007 | The energy consumption of household appliances and industrial machines is determined to a large extent by (asynchronous) motors. Motor contr...

1-04-2007 | Small solar systems have a lot to offer where mains power is unavailable. Installing standalone systems is by no means difficult, using eith...

1-04-2007 | Lithium-based chemistries have for some time been showing the most promise of all battery technologies. Although they offer an unsurpassed e...

1-04-2007 | According to the manual, the Van der Heem type 8619 power supply can be used to supply a stabilised DC voltage of low source impedance, for...

1-02-2007 | The light output that can be obtained using LEDs has increased by four or five orders of magnitude over the last couple of decades. What is...

1-11-2006 | The idea behind this project is a simple one. The power supplies for a (A)DSL modem and accompanying WLAN router can draw a total power of a...

1-07-2006 | This current-limiting circuit, shown in this example as part of a small bench power supply, could in principle be used in conjunction with a...

1-07-2006 | This power supply was designed for use with the ‘Simple hybrid amp’ published elsewhere in this issue. It is of course suitable for use in o...