Device and method for measuring transmission delay of electronic current transformer
A technology of current transformers and measuring devices, which is applied in the direction of measuring devices, measuring electrical variables, instruments, etc., and can solve the problems of no electronic current transformer transient transmission delay test system, engineering application safety hazards, etc.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0039] figure 1 It is a schematic diagram of a measuring device for the transmission delay of an electronic current transformer of the present invention, as figure 1 As shown, the present invention provides a measurement device for electronic current transformer transmission delay, including:
[0040] Fault simulation module, first electromagnetic current transformer, second electromagnetic current transformer, standard optical signal combining unit, standard analog quantity combining unit, digital-analog hybrid fault recorder;
[0041] The fault simulation module is connected in series with the tested electronic current transformer, the second electromagnetic current transformer and the first electromagnetic current transformer;
[0042] The electronic current transformer under test processes the received primary fault transient current generated by the fault simulation module to generate a secondary signal, and sends the secondary signal to the digital-analog hybrid fault r...
Embodiment 2
[0051] Based on the same inventive concept, the present invention provides a method for measuring the transmission delay of an electronic current transformer, including:
[0052] The fault simulation module generates a fault transient current;
[0053] The primary fault transient current generates a secondary signal through the electronic current transformer under test, and the secondary signal is converted into a digital signal by the standard optical signal combining unit, and the digital signal is transmitted to the digital-analog hybrid fault recorder as the measured object. oscilloscope;
[0054] The primary fault transient current generates a secondary current analog quantity through the second electromagnetic current transformer, and the secondary current analog quantity is converted into a digital quantity by a standard analog quantity merging unit, and the digital quantity is transmitted to the digital quantity as a correction quantity Mode hybrid fault recorder;
[0...
Embodiment 3
[0070] figure 2 It is a schematic diagram of a measurement device for the transmission delay of an electronic current transformer according to an embodiment of the present invention, as shown in figure 2 As shown, a method for measuring the transmission delay of an electronic current transformer provided by the present invention includes:
[0071] Build a dynamic simulation system such as figure 2 As shown, the system fault is simulated in the system, and a fault transient current is generated;
[0072] Such as figure 2 As shown, the electromagnetic current transformer 1, the electromagnetic current transformer 2 and the electronic current transformer under test are connected in series in the dynamic simulation system, and the electromagnetic current transformer 1, the electromagnetic current transformer 2 and the electronic current transformer under test are connected in series. The current transformer transforms the same primary transient current;
[0073] Such as ...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More