microcomputer type harmonic elimination device

Characteristics of the device

★Automatically identify and eliminate ferromagnetic resonance of different frequencies in the system, and alarm output at the same time;
★Real-time display of the system clock and the operating status of the monitored PT, real-time cycle monitoring PT open delta voltage;
★Adopting liquid crystal display and Chinese menu, the information is intuitive and rich;
★No need to adjust and debug, automatically enter the operating state after switching on, low maintenance equipment;
★Adopt the ARM chip with strong anti-interference ability and high data acquisition precision;
★Can be divided into ferromagnetic resonance, overvoltage, single-phase grounding; accurate diagnosis, rapid detuning, the correct action rate of 100%; ★Can store multiple fault information, no data loss after power-down, for recall and display;
★Configurable communication interface (RS485 or RS232); with self-test fault, automatic recovery function.

Software composition of the device
The device uses 80C196 assembly language programming software, software
Mainly by the monitoring program, floating-point library, diagnostic software, harmonic, recording and other parts of the composition of the real-time monitoring program to complete the voltage detection, sampling, diagnostics, harmonic, clock, keyboard commands and display tasks.
The real-time monitoring programme completes the tasks of voltage detection, sampling, diagnosis, detuning, clock, keyboard command and display.
Device selection, appearance, wiring terminal diagrams
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Installation Precautions

1, it is best to use shielded twisted-pair cable way to access the machine, the machine shell must be connected to earth.
2、If users need communication function, they should provide specific communication statute.
3、Under normal circumstances, after the high-voltage system is powered on, the voltage at both ends of the zero-sequence voltage line should be 0V, if not, it should be 0V.
0V, if not, must check the wiring.
4、Product drawings and related information shall be subject to the content of the order.