In order to accurately calculate the generator loss, point out the distribution of generator loss and reveal the effect of harmonic magnetic field and other factors to generator loss. In this paper, a 6.5 MW doublyfed hydro-generator was taken as an example. Time–stepping finite element method was adopted for the numerical simulation of electromagnetic field in generator, and Matlab was used fo...

Abstract In this paper, we study the generalized order- Jacobsthal sequences modulo for and the generalized order-k Jacobsthal-Padovan sequence modulo for . Also, we define the generalized order-k Jacobsthal orbit of a k-generator group for and the generalized order-k Jacobsthal-Padovan orbit a k-generator group for . Furthermore, we obtain the lengths of the periods of the generalized order-3 ...

The switched reluctance motor is a singly excited, doubly salient machine which can be used in generation mode by selecting the proper firing angles of the phases. Due to its robustness, it has the potential and the ability to become one the generators to be used in harsh environment. This paper presents an energy conversion by a Switched Reluctance Generator (SRG) when bifilar converter ci...

We construct a pseudorandom generator which uses O(log m + log d + log 3=2 1==) bits and approximates the volume of any combinatorial rectangle in f1; : : : ; mg d to within error. O(log m + log d + log 2 1==) bits. For a subclass of rectangles with at most t log 1== nontriv-ial dimensions and each dimension being an interval, we also give a pseudorandom generator using O(log log d + log 1== lo...

We briefly discuss the current status of NLO QCD automation in the Monte Carlo event generator WHIZARD. The functionality is presented for the explicit study of off-shell top quark production with associated backgrounds at a lepton collider.

In this paper we consider the question of whether NC circuits can generate pseudorandom distributions. While we leave the general question unanswered, we show • Generators computed by NC circuits where each output bit depends on at most 3 input bits (i.e, NC03 circuits) and with stretch factor greater than 4 are not pseudorandom. • A large class of “non-problematic” NC generators with superline...

The on demand generation of source code and its execution is essential if computers are expected to play an active role in information discovery and retrieval. This paper presents a model of implementation of a source code generator, whose purpose is to generate source code on demand. The implementation of the source code generator is fully configurable and its adoption to a new application is ...

1. Electrical Power Theory 1.1 Electrical Energy 1.2 Direct and Alternating Current 1.3 Three-Phase Systems 1.4 Star and Delta Connections 1.5 Phasor Representation 2. Electrical Generators 2.1 General Theory 3. Electrical Transformers 3.1 General Theory 3.2 Transformer Connections 4. Electrical Generator Configuration 4.1 Generator Rotor 4.2 Generator Stator 4.3 Excitation System 4.4 Generator...

This paper demonstrates the use of a slow coherency based generator grouping algorithm and a graph theoretic approach to form controlled islands as a last resort to prevent cascading outages following large disturbances. The proposed technique is applied to a 30,000-bus, 5000-generator, 2004 summer peak load, Eastern Interconnection data and demonstrated on the August 14, 2003 blackout scenario...