METHOD OF MEASURING BREAKDOWN PARAMETRES OF MAIN GAS PIPELINES AND SYSTEM FOR REALISING SAID METHOD Russian patent published in 2010 - IPC G01N27/20 G01N3/02 

FIELD: physics.

SUBSTANCE: disclosed method is distinguished by summation of formed delay time-varying current pulses from sensors mounted on the broken pipe in ascending order of their numbers and outputting the resultant signal in form of a diagram on an interface. "Breakdown" steps on the diagram indicate disconnection of a sensor when a crack front passes under it. The system for realising the said method includes the following: a dc voltage source, a voltage modulator, a generator, a circuit for protecting the line from overvoltage, a disruption sensor board, a disruption sensor, a current sensor, a receiver for pulses from the sensors, an information display device, an interface for connection with a data collection processor and a symmetrical two-wire line. The disruption sensor board has a power stabiliser, a current pulse former and a current switch.

EFFECT: simple method of measuring breakdown parametres of a main gas pipeline, faster operation and easier servicing.

2 cl, 4 dwg