bus voltage assessment method
A technology of bus voltage and bus voltage exceeding the limit, applied in the direction of measuring current/voltage, measuring electrical variables, measuring devices, etc., can solve the problems of not considering voltage characteristics, interfering with dispatcher monitoring and operation, etc., to reduce repeated alarm information , reduce interference, reduce the effect of surveillance
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[0015] The technical solution of the present invention will be further described in detail below.
[0016] 1. The bus voltage assessment method is characterized in that it comprises the following steps:
[0017] 1) The parallel busbars of the same plant station and the same voltage level are used as a virtual assessment busbar;
[0018] 2) Obtain the line voltage value of the bus;
[0019] 3) When the line voltage of the bus is less than the outage set value, the bus is considered out of service, and the outage bus is filtered out;
[0020] 4) After filtering out the outage busbars, check the remaining busbars. When the line voltage of the busbars is between the set maximum and minimum values, it is considered normal; Only one alarm needs to be reported; when the section busbars of the same voltage level in the same plant and station exceed the limit, each alarm will be reported.
[0021] The outage setting value is the voltage base value * 0.7, and the busbars lower than t...
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