| Technical
Specifications |
Three
Phase Oil Cooled Servo Voltage Stabilizer |
| Rating |
15
kVa to 2000 kVA Three Phase |
| Loading
Capacity |
100% |
| Over-Load
Capability |
Up
to 200% For Startup load Surges,175% for
10 Secs., 150% for 30 Secs. and 110% for
30 Minutes |
| Input
Voltage Range |
6
standard Ranges in three Phase or custume
built |
| Output
Voltage |
Standard
385 / 400 / 415 V. or as per customer requirement |
| Line
& Load regulation |
0.5%
or 1% |
| Duty
Cycle |
Continuous
24x7 |
| Wave
Form Distortion |
Nil
true to input |
| Response
Time |
Less
than 10ms |
| Correction
Speed |
Up
to 70V per sec. (Depend on Input Voltage
range & capacity) |
| Correction
Method |
Step-Less
correction using Auto Variable Transformer |
| Suitability |
Suitable
for all power factor loads |
| Cooling |
Natural
Oil Cooled |
| Class
of Insulation |
Class
A |
| Break
Down Strength & IR |
2500V
AC for 2 Minutes. Greater than 50 Mega Ohms
at 500V DC |
| No
Load Loss |
Less
than 0.4 % |
| Efficiency |
97
% to 99% (Depend on Input Voltage range
& capacity) |
| Ambient
Temperature |
Wide
ambient temperature operation from 20°
C to 50° C. |
| Type
& Suitability |
- Unbalanced Supply and Load. Suitable for
3 phase Unbalanced/
- balanced Supply & Unbalanced/Balanced
Load.
- The unit consists of 3 nos. Single phase
individually AC servo motor
|
| Input
/ Output Termination |
On
Copper Bus Bar |
| Installation |
Indoor
& Out door type |
| Degree
of Protection |
IP
- 30 to IP - 55 |
| Optional
Features and Protections |
- Overload Cut-Off and Short Circuit Protection.
- Low / High Voltage (out of input range)
Alarm and / or Cut-Off.
- Single Phase Prevention Alarm and /
or Cut-Off.
- High Temperature Alarm and / or Cut-Off.
- Reverse Phase Cut-Off.
- Auto Phase Correction in case of Phase
Reversal.
- Spike and surge protection
- Ammeter, Temperature Meter, Digital
Ammeter, Digital Voltmeter.
- Stabilizer By Pass System
- Remote control of stabilizer ( with
wires )
- Earth fault protection
- Delay on Circuits
|
