Power Electronics
Power Factor Correction: High-Performance Thyristor Module with Data Logging

Power Factor Correction: High-Performance Thyristor Module with Data Logging

TDK Corporation presents the new EPCOS TSM-LC-S thyristor module for dynamic power factor correction (PFC). It is designed for voltages of 200 V AC to 440 V AC (50/60 Hz) and is suitable for compensating reactive powers of up to 55 kvar. Installation takes place via the system bus (RJ45). An integrated measuring electronics logs key operating data such as voltage of the grid and the current, temperature and switching state of the PFC capacitor. The maximum values of these parameters are simultaneously stored. The data is transmitted via the interface to the power factor controller and processed further, thus enabling comprehensive capacitor and system protection. In addition, the TSM-LC-S features a high-contrast OLED display for the operating data and alarm and error messages.

Like all EPCOS thyristor modules, the TSM-LC-S (B44066T1050E402) operates silently with no wear and is maintenance free. It has a switching time of only 5 ms. The module also increases the operating life of the capacitors, as it switches at the zero crossing of the current and monitors the capacitor current. Dangerous overcurrents are avoided and the power line is not exposed to transients.

The EPCOS TSM-LC-S thyristor module is especially suitable for PFC applications with presses, welding machines, elevators, cranes and wind turbines, for example.

Applications

  • PFC in single-phase and three-phase industrial networks
  • PFC applications with presses, welding machines, elevators, cranes and wind turbines

Main features and benefits

  • High correction power of up to 55 kvar
  • Detection and logging of key operating data, presented on an OLED display
  • Bidirectional communication with the PF controller for optimal control and monitoring
  • Direct control via system bus and interface (RJ45 patch cable)
  • Short switching time of only 5 ms
  • Silent and smooth switching with no wear and maintenance-free thanks to thyristors
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