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1
Protective Relaying: Principles and Applications, Fourth Edition
Generator data sheets typically provide values for several different classifications
of generator reactance. It is important to understand the meaning of the various
types of reactances provided to determine which one best applies to the study ...
J. Lewis Blackburn, Thomas J. Domin, 2014
2
Power System Analysis: Short-Circuit Load Flow and Harmonics
the reactance due to flux setup by the armature which penetrates the rotor to the
field windings. Transient conditions last for 5 to 200 cycles on a 60 Hz basis. 6.1.
4 Synchronous Reactance Xd Synchronous reactance is the steady-state ...
3
Essentials of Audiology
This means that the effects of mass reactance and stiffness reactance oppose
each other. As a result, the net reactance (Xnft) is the difference between them,
so that Xnet = Xs — Xm is 1000 ohms and X is 885 ohms, then Xnet will be 1 000
...
4
Protective Relaying: Theory and Applications
5.4.1 Synchronous Machinery Three different positive sequence reactance
values are specified. Xj indicates the subtransient reactance, X'd the transient
reactance, and Xd the synchronous reactance. These direct-axis values are
necessary ...
5
Polyphase Induction Motors, Analysis: Design, and Application
leakage reactance of 0. 20 per unit may be too great in many cases. The
reactance limitation on maximum torque also places a corresponding limit on
rated torque and, at a given speed, on rated power output. Thus the magnitude of
leakage ...
6
Handbook of Electric Motors
Xm(X() •— IrnUsc) Figure 4.38 Variation of the magnetizing reactance and
leakage reactance as a function of saturation. 4.1.4.2 Leakage Reactances
Except for fractional-horsepower motors, where the winding resistance is
particularly ...
Hamid A. Toliyat, Gerald B. Kliman, 2004
From the one-line diagram, the impedance or reactance diagrams can be
conveniently developed as shown in the following section. The one-line diagram
rather becomes second nature to power system engineers as they attempt to
visualize ...
Syed A. Nasar, F.C. Trutt, 1998
8
Power Systems Analysis and Design
Calculate the positive-sequence inductance in H/m and the positive- sequence
inductive reactance in W/km. 4.11 Rework Problem 4.10 if the phase spacing is: (
a) increased by 20% to 4.8 ft, (b) decreased by 20% to 3.2 ft. Compare the results
...
J. Duncan Glover, Mulukutla Sarma, Thomas Overbye, 2007
9
Power System Dynamics and Stability
X,, X,, ,Y, (a) (b) (c) Figure 4.10 Equivalent reactance of a synchronous generator
in: (a) subtransient-state: (b) transient-state: (c) steady-state The reactance of the
damper winding and the field winding also correspond to the flux path around ...
Jan Machowski, James Richard Bumby, 1997
10
The Handbook of Pediatric Audiology
Acoustic impedance consists of three components: acoustic mass reactance,
acoustic stiffness reactance, and acoustic resistance. Acoustic mass reactance is
the rejection offered by the mass of a system to a flow of energy. Acoustic
stiffness ...
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «REACTANCE»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
reactance w wiadomościach.
On Exits And Hegemony
But reactance, while disastrous, is only the lesser consequence of hegemony: the more alarming consequence is the growth of oppositional identity. In Africa ... «Social Europe, Maj 15»
The Beatport Box 50
... the myth, the master John Tejada returns with an clean-cut slice of dancefloor heaven with Reactance. A collaborative EP with Palette labelmate Arian Leviste, ... «LessThan3, Kwi 15»
Shifts in power generation call for reliable relay testing
... for measuring a wide range of parameters such as phase angle; active, reactive and apparent power; power factor; resistance; reactance and frequency. «CanadianManufacturing.com, Kwi 15»
Thanks to reactance, bans will always backfire
“Psychological reactance is defined as a motivational state directed towards the re-establishment of the threatened or eliminated freedom, and should manifest ... «Economic Times, Mar 15»
Gyroscopic Force is Caused by Interaction with the Aether
Devices FDT writes: When we subject a spinning gyroscope to a forced precession, we feel a distinct reactance which is angular momentum dependent, and ... «ZPEnergy, Sty 15»
Vaccine Myth-Busting Can Backfire
... work across both areas: reactance, the psychological phenomenon in which persuading people to accept certain idea can push them in the opposite direction. «The Atlantic, Gru 14»
Artison Seeks Kickstarter Funding for Nano 1
The Nano 1 includes what's called Reactance Cancelling Configuration (RCC) in its design. He explained that the design uses more than one active driver ... «Dealerscope, Paz 14»
Why Candy Crush And Angry Birds Are So Addicting
"This is because of what psychologists call 'loss aversion' and 'psychological reactance'. People will spend resources like money or time just to keep things in ... «Business Insider, Maj 14»
Measure Q-Factor With a VNA
The quality factor (Q) serves as a measure of a reactance's purity (how close it is to being a pure reactance, no resistance), and is defined as the ratio of the ... «EDN.com, Lut 14»
Demystifying Impedance Language
Not only is impedance similarly the ratio between voltage and current, but it is also the sum of resistance and reactance. In other words, resistance can be ... «Radio magazine, Sty 14»
