Power line carrier simulation operation test system and method thereof

Abstract

The invention relates to a power line carrier simulation operation test system and a method thereof. The system comprises a communication module support unit, a channel parameter simulation unit, a carrier signal sampling unit, a radio frequency performance detection unit, a measurement and control and man-machine interaction unit and a direct current power supply unit, wherein the communication module support unit and the channel parameter simulation unit are separately connected with communication modules to be tested; the communication modules to be tested are distributed on a master node and slave nodes; the channel parameter simulation unit is connected with the radio frequency performance detection unit through the carrier signal sampling unit; and the measurement and control and man-machine interaction unit and the direct current power supply unit are separately connected to the radio frequency performance detection unit. Compared with the prior art, the simulation system provided by the invention can provide different power line noises, access impedance and analog signal attenuation, and can reliably carry out power line carrier dynamic tests.

Description

technical field [0001] The invention relates to the technical field of power line carrier testing, in particular to a power line carrier simulation operation test system and a method thereof. Background technique [0002] Power line carrier communication, as one of the mainstream local communication methods in the low-voltage station area of ​​the power consumption information collection system, has been widely used in the construction of the power consumption information collection system due to its mature technology, simple construction, and convenient operation and maintenance. Considering the actual use environment It is very complicated, and power line carrier simulation experiments are often required to detect whether the power line carrier performance meets the index requirements. [0003] The existing simulation experiments mainly focus on narrowband carriers, such as figure 1 As shown, the changes of each module are considered respectively and a hardware circuit is...

AI Technical Summary

Problems solved by technology

[0008] In view of the many problems mentioned above in the power line carrier channel, and it is difficult to guarantee the authenticity of the station environment, there is an urgent need for a simulation system that can perform channel environment parameters such as power line noise, access impedance, transmission characteristics (signal attenuation), etc., to truly simulate various Class operating environment, which can dynamically reflect the performance of the power line carrier

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