Test system and method with conformance test and performance test combined

Abstract

The invention provides a test system and a method with conformance test and performance test combined. The system comprises a network tester for testing PPS (Packets per Second) deviation in the network and a clock tester, wherein the clock tester is connected with a tested device via a network area communication device and an area communication network, and the network tester is connected with the network area communication device; the clock tester comprises a main clock chip, a transmitting unit, a response packet receiving unit and a logic judgment unit, the transmitting unit is used for transmitting a test excitation packet based on an IEEE1588 protocol to the tested device through the area communication network, the response packet receiving unit is used for receiving a response packet based on the IEEE1588 protocol returned by the tested device through the area communication network, and the logic judgment unit judges whether the tested device processes the packet logic correctly according to the response packet and judges whether the clock precision of the tested device is consistent with the test excitation packet according to the response packet and the main clock chip.

Description

technical field [0001] The invention belongs to the field of power system automation, and in particular relates to a test system and method combining consistency test and performance test. Background technique [0002] The power system is undoubtedly one of the most important parts of modern life, and a stable power system is the guarantee for people to live and work. Time synchronization technology is the key support technology of regional power grid network protection and control system, which is related to the reliability of network protection and control function and the security of regional power grid operation. At present, the test of the clock synchronization performance of smart devices generally adopts the network access detection method, and uses simple software simulation or a simple tester; and the existing power system clock test tools can only perform performance tests or consistency tests. A test system capable of simultaneous conformance testing and performa...

AI Technical Summary

Problems solved by technology

At present, the test of the clock synchronization performance of smart devices generally adopts the network access detection method, and uses simple software simulation or a simple tester; and the existing power system clock test tools can only perform performance tests or consistency tests. A test system capable of simultaneous conformance testing and performance testing

At the same time, the existing test tools can only make simple protocol logic judgments when performing conformance testing, and cannot realize the impact of protocol logic on performance.

At the same time, the accuracy of the existing test tools is poor and does not meet the strict requirements of the power system, all of which have laid hidden dangers for the safe operation of the power grid

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