Full-automatic detection system for operation capability of transformer

Abstract

The invention discloses a full-automatic detection system for the operation capability of a transformer. The system comprises a transformer, a parameter data acquisition module, a normalization processing module, an equivalent coefficient acquisition module, an overload state data acquisition module and a data analysis module. The parameter data acquisition module, the normalization processing module, the equivalent coefficient acquisition module, the overload state data acquisition module and the data analysis module are electrically connected with the transformer. According to the invention,the objective quantitative evaluation can be carried out on the operation capability of the transformer by calculating comprehensive inherent characteristics, operation conditions, operation environment and other parameter data and a comprehensive detection evaluation value of the operation capability of the transformer, according to the equivalent initial load coefficient of the transformer obtained in real time and the overload multiple of the current sampling moment when the transformer is in overload operation, the allowable operation time when the transformer is in the overload operationcan be obtained in real time, and maintenance personnel can conveniently maintain the transformer in time.

Description

technical field [0001] The invention relates to the technical field of electric power and its automation, and transformer detection, in particular to a fully automatic detection system for transformer operation capacity. Background technique [0002] In order to ensure the normal operation of the transformer, the following tests should be carried out frequently: (1) Temperature test: whether the transformer is in normal operation or not, the temperature is very important. The regulations stipulate that the upper oil temperature shall not exceed 85 degrees (that is, the temperature rise is 55 degrees). Generally, transformers are equipped with special temperature measuring devices. [0003] (2) Load measurement: In order to improve the utilization rate of the transformer and reduce the loss of electric energy, in the operation of the transformer, it is necessary to measure the power supply capacity that the transformer can really bear. [0004] During normal operation, the ...

AI Technical Summary

Problems solved by technology

[0006] 1. The operating temperature of the transformer rises, which causes the internal overheating of the transformer, aggravates the aging of the insulation, and reduces the life of the transformer;

[0007] 2. The temperature of the transformer itself is the loss, so the overload will increase the loss and waste the electric energy;

[0008] 3. The secondary output voltage of the transformer is reduced, so that the power quality cannot be guaranteed

[0009] The operating capacity of the transformer is affected by many factors, and its operating capacity is also in a dynamic development and change. Since the load of the transformer is usually in a fluctuating state, the permissible operating time of the transformer overload obtained from each load curve of the transformer will not be Real-time and accurate

Images