MONITORING AND CONTROLLING EQUIPMENT

PURPOSE: To prevent manipulating operation for a plant from being delayed and also prevent plant equipment from being broken or deteriorating in life owing to the delay of the manipulating operation by displaying trend graphs before and after alarm generation if an alarm is generated, and then insta...

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Bibliographic Details
Main Author OTSUKA TATSUYA
Format Patent
LanguageEnglish
Published 17.01.1997
Edition6
Subjects
CALCULATING
COMPUTING
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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Summary:PURPOSE: To prevent manipulating operation for a plant from being delayed and also prevent plant equipment from being broken or deteriorating in life owing to the delay of the manipulating operation by displaying trend graphs before and after alarm generation if an alarm is generated, and then instantaneously confirming the change state of a process value before the alarm generation and predicting process value variation after the alarm generation. CONSTITUTION: Process values outputted by sensors provided at respective parts of a power generation plant to be monitored are inputted and a trend screen is displayed on a CRT device 4; when an inputted process value reaches a previously set alarm value, an alarm screen showing trend graphs before and after alarm generation is displayed on the CRT 4 to make an operator estimate the generation cause of the alarm, etc., and perform optimum manipulating operation.
Bibliography:Application Number: JP19950159365