At the same time,the resonant controller is able to stabilize the system without the necessity of any further additional controller; the repetitive part of the scheme is implemented for the ne regulation at the system harmonic frequencies. The proposed control conguration is used to regulate the power supply output voltage, providing very good tracking of […]

Read More »

Electromagnetic and thermal aspects of the machine are taken into account including the modelling of ac losses in superconductors and thermal insulation. The metallic high temperature superconductor (HTS) magnesium diboride (MgB2) is used and operated at 20 K, the boiling temperature of liquid hydrogen. With modern manufacturing technology, multifilament MgB2 wires appear to be the […]

Read More »

Myself, being quite a friendly chap and will generally talk the hind legs of a donkey, managed to have a thrilling conversation with them. We actually got a “good morning” from them, that’s it unfortunately it though. The bar is advertised as being open from 9am 9pm, this however is not the case. 1 at […]

Read More »

“Those people who thought it was OK to hack into strangers’ phones and publish the intimate results must have considered it as a price they were entitled to demand. The cost of participating in the modern world of celebrity was, it seemed, that you sacrificed your right to have a conversation, unheard by strangers, with […]

Read More »