| Parameter | 3 Phase Unbalanced Air Cooled | 3 Phase Unbalanced Oil Cooled | ||
| Voltage Stabilizer | Servo Controlled Voltage Stabi lizer with 3-Phase input and 3- Phase output, indoor type, suitable for unbalanced loads and unbalanced input conditions. Independent voltage sensing and regulation in each phase. | |||
| Rating (KVA) | 6 – 150 KVA | 6 – 500 KVA | ||
| Type of Cooling | Air Cooled | Oil Cooled | ||
| Input I Output | Input: 3 Phase 4-wire (3L + N) | Output: 3 Phase 4-wire | ||
| Configuration | Input regulation voltage | Nominal Output Voltage | ||
| Input Voltage (V L-L) | 310-480V I 340-480V I 360-460V | |||
| Output Voltage (V L-L) | 415V (380V/400V – Optional) | |||
| Input Frequency Range | 47Hz to 53Hz | |||
| Type of Servo Control | Microcontroller based True RMS sensing and correction | |||
| Output voltage regulation | 1% of nominal output voltage | |||
| Efficiency | Above 97% | |||
| Servo Motor Drive | Trac based drive for AC Step Synchronous Motor | |||
| Under I Over Voltage Cutoff | Electronic cutoff circuit with graded time delay,set @+5%/- 10% of nominal output voltage. |
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| Phase Reversal Trip | Provided | |||
| Short circuit protection | MCB/MCCB provided up to 150kva | |||
| Single Phasing Prevention | Provided | |||
| Spike & Surge Prevention | By MOV connected across output terminal | |||
| Display Type | 2 Line LCD Panel | |||
| Motor | AC Synchronous Motor | |||
| Resetting Mode | Manual / Auto option provided with programmable time delay | |||
| Panel Mounting | Chaises of CRCA sheet dully powder coated,On Wheel | |||
Stabilizers
Three Phase Stabilizers
- Accurate voltage control through rugged AC stepper motor with low wear & tear.
- Designed for continuous duty full load operation.
- 100% Protection against – Under voltage/Over voltage, Overload & Short circuit.
- Single Phasing, Spikes & Surges.
- Low maintenance cost and long life span.
- Audible & Visual inductions for trip conditions.
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