|
Item |
SERVO CONTROLLED VOLTAGE STABILIZER |
| Capacity |
|
| Cooling |
- Air and Oil cooled in two separate modules.
|
|
Type |
- Indoor , floor mounting (Balanced / Unbalanced)
|
| Input
Voltage Range |
- 300-400V / 320- 460V/ 340-460V/ 360- 460 V in 3
- phase. 4 wires AC system .
- 170-270 VAC/ 140-270 VAC ± 1%, Single Phase or any voltage
range as per requirement for both single and three phase.
|
|
Output Voltage |
- 380 VAC/ 400 VAC/ 415 VAC ± 1%, 3 phase 50 Hz
- 220 VAC /230 VAC ± 1%, Single Phase or any voltage as per requirement for both single and three phase.
|
|
Output Voltage Adjustment |
|
| Frequency Range of Operation |
|
| Correction Speed |
|
| Control Circuit |
- Solid-state electric plug-in PCB circuit
|
| Efficiency |
- Above98% at full load.
- Above98% at half load
|
| Adjustment |
- Output voltage level and correction sensitivity to be adjustable.
|
| Duty Cycle |
|
|
Short Time Overload Capacity |
- No less than 110% for 5 minutes
- No less than 125% for 1 minute
|
| Alarms and Trippings* |
- Output voltage HI/LOW alarm and tripping through output MCCB.
- Input single Phasing alarm and tripping
through input MCCB.
- Input phase reversal
alarm and tripping through input MCCB.
- Over temperature sensing and alarm
|
| Metering |
- Voltmeter for Input /
Output ?Volt Display
|
| Indications (Using LED type lamps) |
- Input On (after MCCB)
one lamp
- Output R, Y B separate lamps (after MCCB)
- Input phase reversal.
- Input single Phasing
|
| Protection* |
- Input MCCB for OL & SC protection.
- Output MCCB for OL & SC protection.
- Input phase reversal.
- Input single phasing
|
| Bypass Arrangement* |
- Suitable bypass arrangement for bypassing the input supply to output and
isolating the Servo Stabilizer for maintenance/repair.
.
|
| Power
Circuit Diagram on Panel (Mimic panel)* |
- Power and control circuit diagram with above indication to be screen printed. (Mimic panel) on the front panel of the servo stabilizer
|
| Operating Temperature |
|
| Operating
Humidity
|
|
| Conforming
To
|
- IS : 9815 with latest amendments
|
| Oil
|
- Transformer grade oil confirming to IS : 335/ IE 296
|
| General |
- Painting using 7 tonk process system, earthling bolts, lifting hooks
|
| * Optional
|
|
