Status monitoring method for spark gap trigger circuit
A spark gap and trigger circuit technology, which is applied in the direction of measuring electricity, measuring devices, and measuring electrical variables, etc., can solve the problems of spark gap circuit fault analysis, on-site debugging and maintenance difficulties, weak device status monitoring function, and the inability to realize spark gap trigger circuit Condition monitoring and other issues, to facilitate on-site debugging and maintenance, and to solve the effect of fault location
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[0031] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0032] Such as figure 1 Shown, a kind of spark gap trigger circuit state monitoring method, described method comprises the following steps:
[0033] (1) Monitor whether the signal path sent by the control protection device is normal;
[0034] (2) Detect the state of the trigger command output end of the logic circuit of the programmable device or the state of the trigger output end of the spark gap trigger device;
[0035] (3) Carry out digital filtering to the detected state signal;
[0036] (4) widening the filtered narrow pulse state signal;
[0037] (5) The programmable device sends the collected status flag signal to the control and protection device.
[0038] Described step (1) comprises the following steps:
[0039] (1-1) The control protection device sends pulse signals of two different frequencies to the trigger control board of the spark g...
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