ROLLER TYPE SERVO VOLTAGE STABILIZER
Roller type servo voltage stabilizer
A roller-type servo voltage stabilizer is a type of voltage regulation device used to maintain a stable output voltage for electrical equipment. It operates on the principle of servo motor technology combined with a roller mechanism.
Here's how it works
| Servo Motor | The stabilizer is equipped with a servo motor that continuously monitors the input voltage. |
| Roller Mechanism | Inside the stabilizer, there's a roller mechanism connected to the servo motor. This roller mechanism adjusts the position of the voltage regulator's carbon roller based on the input voltage level. |
| Voltage Regulation | As the input voltage fluctuates, the servo motor and roller mechanism work together to move the carbon roller along the voltage regulator's winding, adjusting the output voltage to maintain it within a predefined range. |
| Accuracy | They provide protection against unbalanced voltage, high voltage surges, and low voltage sags, ensuring a stable and consistent voltage supply to connected equipment. |
| Overall, roller-type servo voltage stabilizers are widely used in industries where stable voltage supply is critical for the efficient and safe operation of electrical equipment. | |
SPECIFICATIONS
| Capacity | 30 kVA to 5000 kVA |
| Technology | Linear Type On-Load Voltage Regulators with Stepless Regulation (also referred to as Vertical Rolling Contact or Columnar Design) |
| Control Module | Microprocessor-based |
| Frequency | 50 / 60 Hz ± 5% |
| Type | Balanced (Common Control for all three phases.
Suited for Balanced input supply & up to 40 % Unbalanced load) Unbalanced (Individual Phase Control. Suited For unbalanced input supply and unbalanced load) |
| Load Variation | Admitted from 0 to 100% |
| Installation | Indoor / Outdoor as per site requirement |
| Core | CRGO Lamination Best Grade |
| Copper | Electrolytic Grade (99.97% Pure) |
| Cooling | Natural Oil-Cooled, ONAN (Available in all models) Air-Cooled, Natural / Forced (available in select models) |
| Output Voltage | 400V ± 1% (Ph – Ph) / 230V ± 1% (Ph – N) |
| Input Voltage | 350 – 450V 340 – 460V 330 – 470V 320 – 480V 300 – 500V *(wide & asymmetrical ranges are manufactured on order) |
| Efficiency | ~ 99.5% > 99% ~ 99% ~ 98.5% > 98% |
| Duty Cycle / Life | Designed for 100 % Continuous Duty Cycle & for a life of 18 – 20 years at extreme conditions |
| Response Time | Less than 10 milliseconds |
| Correction Rate | 6 – 15 Volts / second (up to 500 kVA) and 3 – 8 Volts / second (above 500 kVA) |
| Waveform Distortion | Virtually Nil |
| Ambient Temperature | -10 to +45 °C |
| Mounting | On Unidirectional Wheels |
| Termination | Aluminum Bus – Bars provided for Input & Output in a common junction box |
| Optional Features | High / Low / Over Load / Single Phase Preventer / Short Circuit / Surge Suppressor / Bypass As on Request |
