voltage recovery - definitie. Wat is voltage recovery
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Wat (wie) is voltage recovery - definitie

Transient Recovery Voltage
  • Figure 6 - Instant 0 (instant of current interruption)
  • Figure 7 - Instant T<sub>L</sub>/8
  • Figure 8 - Instant T<sub>L</sub>/4
  • Figure 9 - Instant 3T<sub>L</sub>/8
  • Figure 10 - Instant T<sub>L</sub>/2
  • Figure 11 - Instant 5T<sub>L</sub>/8
  • Figure 12 - Instant 3T<sub>L</sub>/4
  • Figure 13 - Instant 7T<sub>L</sub>/8
  • Figure 14 - Instant T<sub>L</sub>
  • Figure 15 - Time-variation of voltage on the line-side terminal of the circuit breaker
  • Figure 5 - TRV in case of short-line-fault.

Recovery (metallurgy)         
  • Fig 2. Animation of the annihilation and reorganisation of edge dislocations in a crystal lattice
PROCESS IN METALLURGY
Recovery (material)
Recovery is a process by which deformed grains can reduce their stored energy by the removal or rearrangement of defects in their crystal structure. These defects, primarily dislocations, are introduced by plastic deformation of the material and act to increase the yield strength of a material.
Cutoff voltage         
VOLTAGE AT WHICH A BATTERY IS CONSIDERED FULLY DISCHARGED, BEYOND WHICH FURTHER DISCHARGE COULD CAUSE HARM
Cut-off voltage; Low-voltage-cutoff
In electronics, the cut-off voltage is the voltage at which a battery is considered fully discharged, beyond which further discharge could cause harm. Some electronic devices, such as cell phones, will automatically shut down when the cut-off voltage has been reached.
Recovery model         
APPROACH TO MENTAL DISORDER OR SUBSTANCE DEPENDENCE THAT EMPHASIZES AND SUPPORTS A PERSON'S POTENTIAL FOR RECOVERY
Psychosocial recovery; Recovery Model and Mental Illness; Recovery Model in Mental illness; Recovery (mental health); Addiction recovery; Recovery approach
The recovery model, recovery approach or psychological recovery is an approach to mental disorder or substance dependence that emphasizes and supports a person's potential for recovery. Recovery is generally seen in this model as a personal journey rather than a set outcome, and one that may involve developing hope, a secure base and sense of self, supportive relationships, empowerment, social inclusion, coping skills, and meaning.

Wikipedia

Transient recovery voltage

A transient recovery voltage (TRV) for high-voltage circuit breakers is the voltage that appears across the terminals after current interruption. It is a critical parameter for fault interruption by a high-voltage circuit breaker, its characteristics (amplitude, rate of rise) can lead either to a successful current interruption or to a failure (called reignition or restrike).

The TRV is dependent on the characteristics of the system connected on both terminals of the circuit-breaker, and on the type of fault that this circuit breaker has to interrupt (single, double or three-phase faults, grounded or ungrounded fault ..).

Characteristics of the system include:

  • type of neutral (effectively grounded, ungrounded, solidly grounded ..)
  • type of load (capacitive, inductive, resistive)
  • type of connection: cable connected, line connected..

The most severe TRV is applied on the first pole of a circuit-breaker that interrupts current (called the first-pole-to-clear in a three-phase system). The parameters of TRVs are defined in international standards such as IEC and IEEE (or ANSI).