| 摘要 |
The data is stored in the digital mode. The device comprises a sampler and converter from the analogue to the digital mode, a first set or cascade of shift registers for data, a computing and comparison unit with switching means, a second set or cascade of shift registers for the time intervals, addition units adding one digit (+ 1), subtraction units, a logical unit with control units, and a memory or storing unit. The device may be used in a high voltage station for monitoring an electrical network to detect possible faults. |
