Volina make servo stabilizers are one of best latest digital power saving technology in country strictly adhering BIS9815:1994 standard & can be installed on main incoming supply hence no need to install separate stabilizers for individual system. It provides you smooth supply without any hunting .We are in this field from past 32 years and PAN India presence.
Main parts of the servo controlled voltage stabilizers are:
Servo motor
Variac
Transformer
Specifications
| S.No. | Particulars | Details |
| A | Standard Features | |
| 1 | Product Name | Servo Controlled Voltage Stabilizer |
| IS 9815 : Part 1 : 1994 | Reaffirmed : 2014 | ||
| 2 | AutoCAD Drawing | Provided after acceptance of order |
| 3 | Capacity | 5 kVA to 3000 KVA |
| 4 | Winding Material | Pure Electrolyte Copper Super Enamel/Glass Coated /DCC, Wire/Strip |
| 5 | Oil Quantity | as per capacity |
| 6 | Max Current (Per Phase) | as per capacity |
| 7 | No Load Losses | Less than 1.5 % |
| 8 | On Load Losses | Less than 2.5 % |
| 9 | Max Current (Per Phase) | as per capacity |
| 10 | Type of Cooling | 1 KVA to 15 KVA (Air Cooled/Oil Cooled) & 25KVA -3000 KVA (Oil cooled) |
| 11 | No. of Phases | Three Phases , 4 Wire |
| 12 | Rated Frequency | 50 Hz. |
| 13 | Load Type | Suitable for Unbalanced Voltage and Unbalanced Load |
| 14 | Winding | Copper Wound (Dimmer & Transformers) |
| 15 | Input Voltage Range | 3Ø :200V-480V, 270V-480V,300V-480V, 340V - 480V , 360V-480V |
| 16 | Output Voltage | 3Ø : 415V ±1 % (adjustable) |
| 17 | Response Time | <10 msec |
| 18 | Efficiency | More than 95% |
| 19 | Rate of Correction (Phase & Neutral) | More than 8V/Sec in Single Phase 12V/sec in Three Phase |
| 20 | Wave Form Distortion | Nil |
| 21 | Environment/Installation Type | Indoor Type (IP 32) / Outdoor Type (IP 55 with CPRI Certifcation) |
| 22 | Duty Cycle | 24*7 Continous |
| 23 | Control | Auto / Manual |
| B | Protections/Indications | |
| 1 | Trip / MCCB | Overload & Short Circuit Protection |
| High/Low Voltage Cut Off | ||
| Single Phase Sequence Change Protection | ||
| Single Phase Prevention System | ||
| Over Temperature Cut Off (Optional) | ||
| 2 | Spike & Surge Protection | Spike & Surge Protection (Type - II) (Optional) |
| 3 | By Pass Arrangement | By Pass Arrangement (for in case of Emergency) |
| 4 | Indicator | Input/Output Voltage (Per Phase) |
| Output Current (Per Phase) | ||
| Frequency | ||
| 5 | Fittings | Four Plain Rollers |
| Two Earthing Terminals | ||
| Four Lifting Hooks | ||
| Oil filling hole with cap | ||
| oil level indicator | ||
| C | Salient Features | |
| 1 | Motor | Variable Speed High Torque, AC servo Motor with proportional control |
| 2 | DG Compatible | Special sensing circuit to maintain output voltage |
| 3 | Auto / Manual Control | Facility on Front Control Plate in unlikely events. |
| 4 | Construction | Rugged construction with caster wheels for easy movement. |
| 5 | Transformer and Variac | Wound with Electrolyte grade Copper of 99% purity, low loss CRGO Sheets |
| 6 | Earthing | Suitable Earthing Terminal to be provided |