A shunt controller is a simple on/off switch that controls the electricity from a solar array to a battery. The switch turns on when the battery voltage is low, allowing electricity to flow from the solar array to the battery to charge it. A high battery voltage will turn off the switch and stop the flow of electricity. This helps to avoid overcharging the battery.
Shunt controllers are basic and not very efficient at charging batteries. They work like a simple kitchen tap that only has two options: completely OFF or fully ON. Right now, there are only a few small shunt controllers available, and they are designed for specific purposes.
What are the Different Types of Shunt Controllers?
There are several types of shunt controllers, including:
- TCR: Thyristor Controlled Reactor
- STATCOM: Static Synchronous Compensator
- TSR: Thyristor Switched Reactor
- TCBR: Thyristor Controlled Braking Resistor
- TSC: Thyristor Switched Capacitor
Also Read: Solar Charge Controller Settings
What are the Benefits of a Shunt Controller?
Shunt controllers offer several benefits:
- Improved voltage control: They help maintain stable and consistent voltage levels in the transmission system, leading to a better voltage profile.
- Increased transmission capacity: Shunt compensation can boost the transmission capacity, enhancing the performance of equipment.
- Power system stabilization: They contribute to stabilizing the power system, promoting overall reliability.
- Power quality improvement: Shunt controllers aid in enhancing the quality of power supplied to customers.
- Reactive power support: They provide support for reactive power in the transmission line, reducing losses and enhancing equipment performance.
- Voltage regulation: Shunt controllers help maintain a steady voltage profile in the transmission system, minimizing voltage drops.
- Fast control of overvoltages: Shunt controllers can quickly handle temporary overvoltages, protecting equipment and ensuring system stability.
- Cost-effective: Shunt compensation is a budget-friendly option compared to series compensation, making it an economical choice for power transmission and improving power factor.