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Pipeline security - Schneider Electric

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Citect PipePatrol<br />

E-RTTM LDS Principle<br />

● Gradient Intersection Method<br />

● RTTM technology: No need of<br />

additional pressure sensors<br />

p<br />

● Good accuracy during stationary<br />

conditions<br />

p 0<br />

p L<br />

0<br />

● Pros<br />

● Independent of leak characteristic<br />

(spontaneous, creepy)<br />

x Leak<br />

L<br />

x<br />

● Cons<br />

● Accuracy based on whole pipeline<br />

length L<br />

● Poor accuracy during transient<br />

conditions<br />

28

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