A transformer digital adaptive protection device and method based on pressure characteristics
A protection device and transformer technology, applied in emergency protection circuit devices, electrical components, etc., can solve problems such as differential protection misoperation, limited oil pressure change, box deformation, etc.
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[0056] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0057] see figure 1 The transformer adaptive protection device based on pressure characteristics adopted in the present invention includes: a transient oil pressure characteristic measurement module, a switch input module, a signal conditioning and acquisition module, a digital core module, an external communication interface module, and a man-machine dialogue module and switch output module; among them, the transient oil pressure characteristic measurement module is connected with the signal conditioning and acquisition module, the signal conditioning and acquisition module, the switch input module, the external communication interface module, the man-machine dialogue module and the switch output module Both are connected with the digital core module.
[0058] The transient oil pressure characteristic quantity measurement module consists of several high-frequency d...
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