High-performance transformer protection device

A transformer protection, high-performance technology, applied in emergency protection circuit devices, electrical components, etc., can solve problems such as fault judgment errors, affecting sampling data accuracy, lack of communication signal sampling and analysis, etc., to improve reliability, high reliability, The effect of convenient operation

CN104184120AInactive Publication Date: 2014-12-03NANZI JINNENG AUTOMATION
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2014-12-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention belongs to the technical field of transformer protection devices and provides a high-performance transformer protection device which is high in reliability and suitable for digital substations. According to the technical scheme, the high-performance transformer protection device comprises a main control unit, a signal acquisition unit, an input and output unit, a telemetry control unit, a power management unit and a human-computer interface unit, wherein the main control unit is connected with the signal acquisition unit, the input and output unit, the telemetry control unit, the power management unit and the human-computer interface unit; the main control unit comprises a first CPU module and a second CPU module; the first CPU module and a second CPU module are respectively connected with the signal acquisition unit, the input and output unit, the telemetry control unit, the power management unit and the human-computer interface unit. The high-performance transformer protection device is applicable to a power system.
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Description

technical field

[0001] The invention belongs to the technical field of transformer protection devices. Background technique

[0002] In the current power application, the safe and stable operation of the power supply system is the basic premise of the use of power equipment and the basic guarantee to ensure the good development of the power system. As an important equipment in the power transformation and distribution link of the power system, power transformers are widely used in different voltage levels In substations, its faults and defects have a significant and important impact on the reliable and stable operation of the entire power system. Therefore, the protection of power transformers is particularly important; at the same time, with the development of power technology, comprehensive automation of power systems It has become an inevitable trend in the development of the power grid. The proposal of digital substation communication standards and the application of ele...

Examples

Embodiment Construction

[0015] Such as figure 1 As shown, the high-performance transformer protection device includes: a main control unit 1, a signal acquisition unit 2, an input and output unit 3, a telemetry control unit 4, a power management unit 5, and a man-machine interface unit 6. The main control unit 1 and The signal acquisition unit 2, the input and output unit 3, the telemetry control unit 4, the power management unit 5 and the man-machine interface unit 6 are connected. In this embodiment, the main control unit 1 includes a first CPU module 7 and a second CPU module 7. Two CPU modules 8, the first CPU module 7 and the second CPU module 8 are all connected to the signal acquisition unit 2, the input and output unit 3, the telemetry control unit 4, the power management unit 5 and the man-machine interface unit 6 , specifically, the main control unit 1 can be connected with the dispatcher 19 and the man-machine interface unit 6 through the communication unit 18, the communication unit 18 ca...