SU543037A1 - Frequency relay - Google Patents
Frequency relayInfo
- Publication number
- SU543037A1 SU543037A1 SU2062135A SU2062135A SU543037A1 SU 543037 A1 SU543037 A1 SU 543037A1 SU 2062135 A SU2062135 A SU 2062135A SU 2062135 A SU2062135 A SU 2062135A SU 543037 A1 SU543037 A1 SU 543037A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- output
- pulse
- input
- frequency
- period
- Prior art date
Links
Landscapes
- Burglar Alarm Systems (AREA)
Description
рого пр моугольные импульсы длительностью в половину периода подаютс на вход одновибратора 3 и блокируют его запуск.Horny rectangular pulses with a duration of half a period are fed to the input of the one-shot 3 and block its start.
При отсутствии входного тока на выходе блока 7 имеетс посто нный блокирующий сигнал. При отсутствии входного напр жени нет импульсов, запускающих одновибратор 3.In the absence of an input current at the output of block 7, there is a permanent blocking signal. If there is no input voltage, there are no pulses that trigger the one-shot 3.
При наличии тока и напр жени работа схемы зависит от их фазового сдвига (напр жени и тока). Если блокируюп 1,ий импульс с выхода 7 совпадает по времени с импульсом на выходе триггера 2, то запуск одновибратора 3 не происходит. В противном случае импульсы с потенциального выхода триггера 2 и с выхода одновибратора 3 поступают на вход блока 4.In the presence of current and voltage, the operation of the circuit depends on their phase shift (voltage and current). If the block 1, s pulse from output 7 coincides in time with the pulse at the output of trigger 2, then the launch of one-shot 3 does not occur. Otherwise, the pulses from the potential output of the trigger 2 and from the output of the one-shot 3 are fed to the input of the block 4.
Использование устройства дл контрол частоты при заданном направлении мощности позволит улучшить характеристики, упроститьUsing a device to control the frequency for a given direction of power will improve performance, simplify
схемы и повысить надежность работы противоаварийной автоматики энергосистем.circuits and improve the reliability of the emergency automation of power systems.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2062135A SU543037A1 (en) | 1974-09-06 | 1974-09-06 | Frequency relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2062135A SU543037A1 (en) | 1974-09-06 | 1974-09-06 | Frequency relay |
Publications (1)
Publication Number | Publication Date |
---|---|
SU543037A1 true SU543037A1 (en) | 1977-01-15 |
Family
ID=20596711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2062135A SU543037A1 (en) | 1974-09-06 | 1974-09-06 | Frequency relay |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU543037A1 (en) |
-
1974
- 1974-09-06 SU SU2062135A patent/SU543037A1/en active
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