![]() Due to the high complexity of modern protection devices traditional protection testing causes problems that lead to a significant increase in equipment failure and time loss in terms of maintenance (adjustment, preventive control). In our opinion the only effective means to control correct implementation of new protection devices (for example, during new construction or complete reconstruction of energy facilities) is a systematic approach to testing with the help of automation. This approach allows us to ensure function control of protection and automation devices in close to real life operating conditions. Scientific-production enterprise Select provides software, testing equipment and services related to SCAT (System of complex automatic testing for relay protection) implementation to ensure effective and quality maintenance of protection devices. PURPOSESCATsoftware designed by scientific-production enterprise Select is intended for automation of relay protection testing. It is a universal tool which lets you create any scenario for automatic testing of protection and automation functions. It is realized through describing a sequence of single modes characterized by a combination of analog and binary signals set for a certain time period. The signals are generated by the test set. The mode shift depends on protection commands (logical signals) received by the test set (for example, transition to a single test of current-free mode after CB trip command). Simultaneously during test programming via SCAT you can set expected combinations of protection output signals, which should appear if protection system operates correctly. The software is designed for manufacturers, commissioning and operating personnel for commissioning testing, acceptance and periodic maintenance of relay protection devices. SCAT implementation will let you:
KEY FEATURES
An important feature of the software is its ability of overall testing both within a single protection device, and within a substation. It is provided by:
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