Transformer early warning evaluation system

The utility model provides a transformer early warning evaluation system, it includes: hydrocarbon separation unit, the on -line chromatograph who links to each other with hydrocarbon separation unit and the early warning terminal of receiving on -line chromatograph analog signal, the early warning terminal includes: the host system of adoption ARM7 treater, the analog quantity collection module, temp. Control module, power module, switching value input and output modules, communication module and the early warning module that link to each other with host system. The utility model discloses a control circuit and gas circuit are passed through to the early warning terminal, detect carrier gas pressure signal, oil pump frequency, equipment operating environment humiture signal, provide the work of chromatographic column and SOFC type gas sensor required stable temperature, and the prediction data of gas strength is calculated to the data of gathering dissolved gas in oil content, realizes the early warning aass