Three Phase Air Cooled Servo Voltage Stabilizer

Three Phase Air Cooled Servo Voltage Stabilizer

Technical Specifications
Rating	15 kVa to 500 kVA Three Phase
Loading Capacity	1
Over-Load Capability	up to 150 % momentarily
Input Voltage Range	6 standard Ranges in three Phase or custom 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 Air Cooled / Forced Air Cooled
Class of Insulation	Available in E / B /F Class
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 20o C to 50o 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 controlled units of 1/3rd of the total capacity connected in Star configuration.
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