Detecting Broken Rotor Bars With Zero-Setting Protection
... and lower sidebands appear at (1 ± 2s)fo, where s is the motor slip frequency and fo is the system frequency [6]. The magnitudes of these sidebands increase with the number of broken bars. In this paper, we describe a protection element that determines the number of broken bars using the relative ma ...
... and lower sidebands appear at (1 ± 2s)fo, where s is the motor slip frequency and fo is the system frequency [6]. The magnitudes of these sidebands increase with the number of broken bars. In this paper, we describe a protection element that determines the number of broken bars using the relative ma ...
Full text
... (1.2), as modified for the zero-hole of order (h - 1) , are satisfied by the two components of each entry A 2 h_ 1}J1 . Thus, this portion of A 2 ^-i is entirely included in the (h - l)-hole. The proof of the Lemma can then be completed by an easy induction on h. The base case can be read directly f ...
... (1.2), as modified for the zero-hole of order (h - 1) , are satisfied by the two components of each entry A 2 h_ 1}J1 . Thus, this portion of A 2 ^-i is entirely included in the (h - l)-hole. The proof of the Lemma can then be completed by an easy induction on h. The base case can be read directly f ...
Vectors
... Properties of the dot product. If u, v and w are vectors and k is a scalar then 1. u u u , that is, u u u 2. u u 0 3. u v 0 if and only if 90 , that is, u and v are perpendicular (orthogonal) vectors 4. u v 0 if and only if 90, that is is acute 5. u v 0 if and onl ...
... Properties of the dot product. If u, v and w are vectors and k is a scalar then 1. u u u , that is, u u u 2. u u 0 3. u v 0 if and only if 90 , that is, u and v are perpendicular (orthogonal) vectors 4. u v 0 if and only if 90, that is is acute 5. u v 0 if and onl ...
Lecture 4: RLC series circuit: V
... In general VC(t), VR(t), and VL(t) are all out of phase with the applied voltage. I(t) and VR(t) are in phase in a series RLC circuit. The amplitude of VC, VR, and VL depend on ω. The table below summarizes the 3 cases with the following definitions: ...
... In general VC(t), VR(t), and VL(t) are all out of phase with the applied voltage. I(t) and VR(t) are in phase in a series RLC circuit. The amplitude of VC, VR, and VL depend on ω. The table below summarizes the 3 cases with the following definitions: ...
Lecture 4: RLC series circuit: V
... In general VC(t), VR(t), and VL(t) are all out of phase with the applied voltage. I(t) and VR(t) are in phase in a series RLC circuit. The amplitude of VC, VR, and VL depend on ω. The table below summarizes the 3 cases with the following definitions: ...
... In general VC(t), VR(t), and VL(t) are all out of phase with the applied voltage. I(t) and VR(t) are in phase in a series RLC circuit. The amplitude of VC, VR, and VL depend on ω. The table below summarizes the 3 cases with the following definitions: ...
Mathematics of radio engineering
The mathematics of radio engineering is the mathematical description by complex analysis of the electromagnetic theory applied to radio. Waves have been studied since ancient times and many different techniques have developed of which the most useful idea is the superposition principle which apply to radio waves. The Huygen's principle, which says that each wavefront creates an infinite number of new wavefronts that can be added, is the base for this analysis.