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'''Transmission loss''' (TL) in general describes the accumulated decrease in [[Intensity ( ...name=":0">{{Cite web |title=The FOA Reference For Fiber Optics - Measuring Power in dB and dBm |url=https://www.thefoa.org/tech/ref/testing/test/dB.html |ac ...

...charge]], and other effects. There are also losses during [[electric power transmission]]. ...of the loads or devices powered by the generator, not contributing to net electric yield. It is found by subtracting productive yield from gross yield: ...

{{Short description|Electrical power applied to the antenna system in a transmitter station}} The '''output power''' of a [[TV transmitter]] is the [[electric power]] applied to [[antenna (radio)|antenna]] system. ...

...ntrolled reactors can be used for limiting voltage rises on lightly loaded transmission lines. Another device which used to be used for this purpose is a magnetica ...y be required to step up from the voltage handled by the thyristors to the transmission system voltage. ...

...right - to overexcitation (and "[[Power factor#Lagging, leading and unity power factors|lead]]"). Typically multiple V curves are plotted based on the expe ...rent is increased beyond this point, the armature current becomes leading, power factor decreases, and <math>I_A</math> grows again.{{sfn|Dawes|1922|p=317}} ...

{{Short description|Services to support the transmission of electric power}} ...in reliable operations of the interconnected [[Electric power transmission|transmission system]]. ...

{{Short description|System adjusting the output of electric generators}} ...ring the [[Utility frequency|system frequency]]; if it is increasing, more power is being generated than used, which causes all the machines in the system t ...

{{Short description|Control mode for AC power generators}} ...reduced to zero, and when the grid is at minimum operating frequency, the power is set to 100%, and intermediate values at other operating frequencies. ...

...provide for system losses by emitting or absorbing active and/or reactive power to and from the system. ...ontribute to the minimization by having an unconstrained real and reactive power input. ...

...reactor]] (TCR). Static VAR compensators are a member of the [[Flexible AC transmission system]] (FACTS) family. ...e power output can only be varied in steps. Continuously variable reactive power output is only possible where the SVC contains a TCR or another variable el ...

...ircuit breaker]]s to de-energize the shorted conductors. For some types of transmission line, it may be possible to automatically [[recloser|reclose a circuit brea ...n often result in the unintended contact of conductors, particularly where power lines exhibit excessive sag or other structural conditions that permit cond ...

...lander.svg|thumb|Dahlander motor wiring for low speed ([[Delta connection (power)|delta connection]]) and high speed (double [[Y-Δ transform|star connection :<math>f</math> = AC power frequency ...

...uation]] that describes the swing of the rotor of synchronous machine. The power exchange between the mechanical rotor and the electrical grid due to the ro ...ok|first1=John J. |last1=Grainger|first2=William D.|last2= Stevenson|title=Power system analysis|url={{google books |plainurl=y |id=NBIoAQAAMAAJ}}|date=1 Ja ...

...sting power system devices, such as [[high-voltage direct current]] (HVDC) transmission lines and [[static VAR compensator]]s (SVCs) which serve primary purposes n ...th of these conditions continue to be imposed on most large interconnected systems transitioning to the smart grid architecture. ...

...d, as the wind speed varies. The aerodynamic efficiency, or coefficient of power, <math>C_p</math> for a fixed blade pitch angle is obtained by operating th For a wind turbine, the power harvested is given by the following formula: ...

{{Short description|Type of electrical power inverter}} ...ntly lacks this property as the waveform is being created artificially via power electronics. ...

...humb|upright=1.5|D-curve. Active power is on the horizontal axis, reactive power is on the vertical axis.]] ...operating points in the MW/MVAr plane; it is typically drawn with the real power on the horizontal axis, and, for the [[synchronous generator]], resembles a ...

...[optoelectronics]], an '''opto-electronic oscillator''' ('''OEO''') is a [[electric circuit|circuit]] that produces a repetitive electronic [[sine wave]] and/o ...scillations. The second condition implies that, with adequate light input power, self-sustained oscillations may be obtained without the need for the RF/mi ...

...is a particularly useful construction for [[linear time-invariant]] (LTI) systems because it can be expressed in terms of the [[s-plane]]. In some systems, especially ones consisting entirely of [[Passivity (engineering)|passive]] ...

...thod for the [[power-flow study|power-flow]] equations of electrical power systems. Its main features are that it is [[Direct method (computational mathematic | title = System and method for monitoring and managing electrical power transmission and distribution networks ...