leakage$43787$ - Definition. Was ist leakage$43787$
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Was (wer) ist leakage$43787$ - definition

ELECTRICAL SAFETY DEVICE
Earth leakage breaker; ELCB; Earth leakage trip; Ground leakage circuit breaker; Earth leakage circuit breaker
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Leakage (electronics)         
GRADUAL TRANSFER OF ELECTRICAL ENERGY ACROSS A BOUNDARY NORMALLY VIEWED AS INSULATING
Leakage current; Leakage (semiconductors); Transistor leakage current; Dielectric leakage; Leakage power; Leaking electricity; Leak resistance; Leakage resistance; Leak current
In electronics, leakage is the gradual transfer of electrical energy across a boundary normally viewed as insulating, such as the spontaneous discharge of a charged capacitor, magnetic coupling of a transformer with other components, or flow of current across a transistor in the "off" state or a reverse-polarized diode.
Leakage inductance         
  • Fig. 2 Nonideal transformer circuit diagram
  • Fig. 1 L<sub>P</sub><sup>σ</sup>and L<sub>S</sub><sup>σ</sup> are primary and secondary '''leakage inductances''' expressed in terms of '''inductive coupling coefficient <math>k</math>''' under open-circuited conditions.
  • High leakage transformer
  • loc=p. 4, Fig. 1, Magnetic field due to current in the inner winding
of a core-type transformer; Fig. 2, Magnetic field due to current in the outer winding of Fig. 1}}</ref>
  • loc=p. 602, "Fig. 18-18 In this equivalent circuit of a (nonideal) transformer the elements are physically realizable and the isolationg property of the transformer has been retained."}}</ref>
  • Fig. 3 Nonideal transformer equivalent circuit
  • Fig. 5 Simplified nonideal transformer equivalent circuit
LEAKAGE INDUCTANCE DERIVES FROM THE ELECTRICAL PROPERTY OF AN IMPERFECTLY-COUPLED TRANSFORMER
Leakage flux; Leak inductance; Leakage reactance; Inductive circuit model of transformer
Leakage inductance derives from the electrical property of an imperfectly-coupled transformer whereby each winding behaves as a self-inductance in series with the winding's respective ohmic resistance constant. These four winding constants also interact with the transformer's mutual inductance.
Leakage (machine learning)         
CONCEPT IN MACHINE LEARNING WHERE INFORMATION IS USED THAT WOULD NOT BE AVAILABLE WHEN PREDICTIONS ARE MADE
Data leakage; Target leakage
In statistics and machine learning, leakage (also known as data leakage or target leakage) is the use of information in the model training process which would not be expected to be available at prediction time, causing the predictive scores (metrics) to overestimate the model's utility when run in a production environment.

Wikipedia

Earth-leakage circuit breaker

An earth-leakage circuit breaker (ELCB) is a safety device used in electrical installations with high Earth impedance to prevent shock. It detects small stray voltages on the metal enclosures of electrical equipment, and interrupts the circuit if a dangerous voltage is detected. Once widely used, more recent installations instead use residual-current devices (RCDs, RCCBs or GFCIs) which instead detect leakage current directly.