Electronic current transformer short-time current vibration test device and method thereof
A technology of current transformer and short-time current, which is applied in the field of vibration test device for primary parts during the short-time current of electronic current transformer, can solve the problems such as no test method is proposed, and achieve the effect of simple structure and accurate data measurement
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Embodiment 1
[0027] See attached figure 1 , discloses an electronic current transformer short-time current vibration test device according to the present invention. The devices include:
[0028] A large current generator 101 is used to provide a short-term large current, and is rigidly connected to the ECT106 to be tested by a connecting wire 102;
[0029] The air-core coil 103 passes through the connecting wire 102, and is used to measure the size and time of the short-term current through the ECT106 to be tested;
[0030] The I / V converter 104 is used to convert the current signal output by the secondary winding of the air-core coil into a voltage signal, and transmit it to the test host 105 for host acquisition and triggering;
[0031] The ECT106 to be tested is rigidly connected to the connecting wire 102 and connected to the merging unit 107;
[0032] The test host 105 is used to receive the signal output by the merging unit 107 of the ECT to be tested, and collect the voltage sign...
Embodiment 2
[0037] See attached figure 2 , discloses an electronic current transformer short-term current vibration test method according to an embodiment of the present invention, which is used for the electronic current transformer short-term current vibration test device disclosed in Example 1, comprising the following steps:
[0038] S110: press figure 2 The vibration test device is connected in the manner shown, and the test host is set to output data communication protocol type, rated primary current value, rated secondary output, channel number and other information of the merging unit;
[0039] S120: The large current generator outputs the short-term current required for the test, and the test host starts to collect the output data of the merging unit by receiving the signal of the I / V converter as a trigger signal, and records the merging unit's output data within 10s. Output Data;
[0040] S130. According to the synchronous collection of the trigger signal and the output dat...
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