China SVC Suppliers: MCR Type for Flicker Harmonic & Dynamic Reactive Compensation - Reliable Factory Solutions
High-Voltage TSC Dynamic Device
The high-voltage TSC dynamic reactive power compensation device consists of a control system, triggering system, thyristor monitoring system, pulse transformer, capacitor, reactor, protection unit, etc. The control system detects the reactive power of the power system in real time, automatically determines the capacitor branch that needs to be switched, and then controls the thyristor valve group of the corresponding branch to achieve the switching of the capacitor group. The above process is completely automated, ensuring no impact, surge, or transition when switching capacitors.
TCR Type SVC Device
The TCR type SVC device mainly consists of two parts: TCR (thyristor controlled reactor) and FC (filter capacitor bank). The FC circuit combines filtering function and can provide fixed capacitive reactive power, while the TCR circuit changes the inductive reactive power output of the phase controlled reactor through thyristor control. Due to the extremely fast dynamic response speed of thyristors, with a response time of less than 10 milliseconds, real-time dynamic compensation of reactive power can be achieved. Especially for three-phase AC arc furnace loads, the voltage fluctuations and flicker generated can be minimized. At the same time, TCR type SVC has phase separation regulation function, which can balance the unbalanced loads of three-phase AC arc furnaces and other loads, and suppress the negative sequence component of the power grid to the minimum.
Products Advantage
- The thyristor valve adopts a photoelectric triggering method, with thyristor BOD protection, strong anti-interference ability, and reliable protection;
- The valve body design adopts a horizontal design, with compact equipment, reliable operation, and less maintenance workload;
- Fiber optic communication is used between the control system and the power unit, resulting in high signal stability;
- The thyristor controlled reactor has protection functions such as loss of synchronous power supply, loss of pulse, pulse imbalance, and thyristor breakdown.
Frequently Asked Questions (FAQ)
What components make up the high-voltage TSC dynamic reactive power compensation device?
It consists of a control system, triggering system, thyristor monitoring system, pulse transformer, capacitor, reactor, and protection unit.
How does the TSC device ensure seamless switching of capacitor groups?
The control system detects the system's reactive power in real time and automatically determines the correct capacitor branch to switch. This fully automated process controls the thyristor valve group of the corresponding branch to ensure there is no impact, surge, or transition during switching.
What are the main components of the TCR type SVC device?
The TCR type SVC device mainly consists of two parts: the TCR (thyristor controlled reactor) and the FC (filter capacitor bank).
How fast is the dynamic response speed of the TCR type SVC device?
Due to the extremely fast dynamic response speed of thyristors, the system achieves a response time of less than 10 milliseconds, enabling real-time dynamic compensation of reactive power.
What protection features are built into the thyristor controlled reactor?
The reactor is equipped with comprehensive protection functions, including protection against loss of synchronous power supply, loss of pulse, pulse imbalance, and thyristor breakdown.
How does the TCR type SVC benefit three-phase AC arc furnace loads?
It minimizes voltage fluctuations and flicker. Additionally, its phase separation regulation function helps balance three-phase unbalanced loads and suppresses the negative sequence component of the power grid to a minimum.


