Self-excitation
Different Self Excitation Techniques for Slip Ring Self Excited Induction Generator
... for self-excitation and steady-state operation are poor load voltage and frequency regulations, limited output power and corresponding load voltage collapse when generator is loaded beyond attainable ...
8
Self excitation and energy recovery of air core compulsators
... the self-excitation process is shown in ...The self- excitation efficiency reduced to 63%, which is 10% decrease compared with rated speed of 10 000 ...the self-excitation can be ...
7
Performance Study of a Self Excitation Dual Stator Winding Induction Generator for Renewable Distributed Generation Systems
... with 25% in the energy production by the end of 2010 [1]. DGs can be defined as small-scale power generation systems below 50 MW, installed near to the domestic and the industrial customers [2]. This approach gives the ...
20
The self-excitation damping ratio: A chatter criterion for time-domain milling simulations
... complete self-excited oscillation per tooth ...the self-excitation vibration amplitude for different depths of ...the self-excited vibration magnitude fluctuates with each analysis ...one ...
34
The Self-Excitation Damping Ratio in Variable Speed Milling
... Model validation is then presented by repeating some of the analysis presented in [4, 9]. The milling parameters were also chosen to closely match those used in previous work by [4, 9] and are summarized in Table 1. A ...
6
Range of validity and intermittent dynamics of the phase of oscillators with nonlinear self-excitation
... dxdy (48) as a measure of the intensity of the dynamics. After an initial period of violent dynamics (not shown) the surface becomes smooth as shown by the second-from-the-top snapshot in Fig. 12. Gradually, after the ...
34
The Response of Two-Degree of Freedom Self-Sustained Systems with Quadratic Nonlinearities to a Parametric Excitation (RESEARCH NOTE)
... o self-excitation with parametric resonance of the first mode will be investigated, followed by the case of 1:2 internal and parametric resonances of the second ...
8
Simulink modelling and simulation for self excited doubly salient retarder system
... the self-excitation doubly salient retarder’s braking torque equation and dynamic equation, its braking torque model and the vehicle’s dynamics model can be built using ...torque, excitation current ...
6
Determination of Excitation Capacitance of a Three Phase Self Excited Induction Generator
... When an induction machine is driven by an external prime mover at a speed greater than the synchronous speed (negative slip) the direction of induced torque is reversed and it starts working as an induction generator. ...
6
Designing a psychological capital curriculum of consist optimism for Higher Education
... reality, self-regulating growth, responsibility, and ...planning, self-excitation education, communication approach, positive thinking, and relationship between the current status and the past one ...
10
Excitation of waves at2
... simulations of plasma-electron beam systems. Electrostatic harmonics of the plasma fundamental frequency have been observed at the very begining of numerical studies (Klimas, 1983). Recently, Yoon (2000) has published a ...
5
On The Excitation of Crustacean Muscle
... ment of tension to a series of maximal shocks is governed primarily by the physical properties of the muscle, while in the crustacean the rate of increase in tension is controlled by pro[r] ...
18
On the Excitation of Crustacean Muscle
... DISCUSSION Biedermann interprets the reciprocal action of the muscles in the crustacean limb by saying that a weak stimulus causes excitation of the extensor muscle and inhibition of the[r] ...
11
On the Excitation of Crustacean Muscle
... With Four Text-figures INTRODUCTION IT was shown in a previous paper Pantin, 1936 that the rate of contraction of the flexor and extensor muscles of the dactylopodite of the walking legs[r] ...
11
A note on persistency of excitation
... The related question of when the matrix formed from a state sequence has linearly independent rows from the matrix formed from an input sequence and a finite number of its shifts is of ce[r] ...
5
Application of EL CID to salient pole electrical machines
... of excitation to be applied to the stator core of such machines for an EL CID test is virtually ...the excitation winding, as detected by a trace turn, needs to be calculated as laid out in Appendix ...the ...
200
Raman-scattering study of the InGaN alloy over the whole composition range
... under excitation with the ...the excitation energy to ...2.60-eV excitation than with the 2.54-eV excitation, the 3LO/2LO intensity ratio is roughly the ...contrast, excitation with the ...
5
Planar Phased Array Calibration Based on Near-Field Measurement System
... The BTM [8, 9] is also called microwave holographic metrology (MHM) [10]. It calculates the aperture field in front of the array with the measured planar near-field data based on the plane wave spectrum theory. The ...
7
Study of Combined Braking System Using Eddy Current
... excitation linear eddy current brake has the advantages of high force density and low excitation loss compared to the electric excitation linear eddy current brakes. The validity of the analytical ...
5
Materials modification by electronic excitation
... Laser and electron excitation can smooth surfaces. Scanning probe microscopy (SPM) shows atom removal occurs preferentially near vacancies or sur- face steps, so that incomplete layers of atoms are removed before ...
8