PSR SYSTEM 500 feeder system

Distribution System Feeder Overcurrent Protection

Simulated Annealing for Feeder Routing of Radial Distribution System

The main objective of the distribution system planning is to determine the substation location, size and its service area, number of feeders and their routes. The planning problem is solved by classical methods to non traditional soft computing techniques, hence in this work, soft computing technique known as Simulated Annealing is used. Simulated Annealing is a thermal process for obtaining lo...

Implications of the PSR 1257 + 12 Planetary System for Isolated

The rst extrasolar planets were discovered in 1992 around the millisecond pulsar PSR 1257+12. We show that recent developments in the study of accretion onto magnetized stars, plus the existence of the innermost, moon-sized planet in the PSR 1257+12 system, suggest that the pulsar was born with approximately its current rotation frequency and magnetic moment. If so, this has important implicati...

Psr J1518+4904: a Mildly Relativistic Binary Pulsar System

PSR J1518+4904 is a recently discovered 40.9 ms pulsar in an 8.6 day, moderately eccentric orbit. We have measured pulse arrival times for this pulsar over 1.4 yr at several radio frequencies, from which we have derived high precision rotational, astrometric, and orbital parameters. The upper limit for the period derivative of the pulsar, Ṗ < 4 × 10, gives a characteristic age of at least 1.6 ×...

Resonance in PSR B 1257 + 12 Planetary System

In this paper we present a new method that can be used for analysis of time of arrival of a pulsar pulses (TOAs). It is designated especially to detect quasi-periodic variations of TOAs. We apply our method to timing observations of PSR B1257+12 and demonstrate that using it it is possible to detect not only first harmonics of a periodic variations, but also the presence of a resonance effect. ...