Dry type transformer intelligent management terminal transformer intelligent monitoring device production factory

The intelligent management terminal for transformers adopts an intelligent management terminal system, which is equipped with measurement units and various sensors in multiple parts such as the transformer body, shell, high and low voltage wiring terminals, to complete the collection of various data and information. The intelligent management terminal system should meet the following technical requirements:

1. Temperature monitoring: FJINNO fluorescent optical fiber is used for temperature measurement, and temperature measurement points are embedded in the transformer body, with no less than 4 temperature measurement points. The temperature measurement range is 0 ^+150C; Temperature measurement accuracy:+1C; Capable of saving temperature data and alarm temperature time and other parameters; The lifespan of the probe shall not be less than 25 years.

2. Electricity monitoring: High and low voltage phase voltage, phase current, zero sequence current, three-phase voltage harmonic components, power factor, three-phase imbalance rate, etc. during transformer operation.

3. Status monitoring: Transformer operating environment, cabinet door status, ventilation and drying equipment start stop control, etc.

4. Alarm processing: voltage and current limit exceeding alarm, temperature alarm, environmental humidity alarm and accessory fault alarm, fault prediction and processing.

5. Communication function: IF-C fiber optic temperature measurement supports both RS485 serial communication mode and Ethernet communication mode, allowing for flexible communication with other automation systems.

6. Fault life assessment: Record the cumulative operating time of the transformer, and through intelligent analysis and judgment of working temperature rise, load rate, fault rate, etc., achieve the assessment of transformer fault life.

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