| The challenge of finding a balance between affordable, clean and reliable electricity is becoming ever more acute for the European power sec...
All items tagged with Power and main (20)
| The wind power sector is fast developing from a pioneering market into a mainstream industrial market, dominated by large utilities and indu...
| When listening to your favourite CD, any audiophile will at some occasion realise that the CD concerned used to sound better during the prev...
| This circuit was designed to ‘baby-sit’ SLA (sealed lead-acid or ‘gel’) batteries using freely available solar power. SLA batteries suffer f...
| Many circuits can be powered directly from the mains with the aid of a series capacitor (C1). The disadvantage of this approach is that usua...
| Mains adaptors are used more and more frequently to power small equipment. A drawback of this is that even when the equipment is swit...
| In many home-brew AF power amplifiers, including quite a few built according to the noble art of ‘high-end audio amplifier construction’,...
| The pulser is intended to switch the mains voltage on and off at intervals between just under a second and up to 10 minutes. This is use...
| Transistorized RF power amplifiers and mobile transceivers require mains power supplies capable of supplying very high currents while rema...
| This is a no-frills audio power amplifier based on inexpensive transistors. It is short-circuit protected and has a maximum power output...