GB/T 29308-2012Management requirement of ageing of instrumentation and control systems important to safety for nuclear power plants (English PDF)

3.1 Aging ageing

Characteristics of structures, systems or components of time or using the process of gradual change.

NOTE. The degradation is due to the inherent physical mechanism of component materials produced, and with I

The impact of environmental stress generated by the operation and equipment.

3.2 Aging degradation

Structures, systems or components of the physical properties due to aging mechanisms of action, in storage or operating conditions resulting from the use of time or

Gradually degraded, the results may weaken their ability to implement the desired functionality.

3.3 Aging management

For the aging degradation of structures, systems and equipment to control the construction, operation and maintenance activities within acceptable limits.

3.4 Calibration

Under specified conditions, to determine the value indicating measuring instrument or measuring system or material measure, or a value corresponding reference materials expressed

Standard specifies a set of operations between values.

[GB/T 4960.6-2008,3.4.42]

3.5 Channel

Interconnected components in the system configuration issue a single output signal. A single output signal from other channels (e.g., monitoring or

Local security drive channel) signal combined channel would cease.

NB/T 20015 | EJ/T 306 | EJ/T 350 | GB/T 47509 | GB/T 47338 | GB/T 12789.1 | […]