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200kVA Automatic Servo Controlled Air Cooled Voltage Stabilizer

200kVA Automatic Servo Controlled Air Cooled Voltage Stabilizer

Product Details:

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200kVA Automatic Servo Controlled Air Cooled Voltage Stabilizer Price And Quantity

  • 1 Piece

200kVA Automatic Servo Controlled Air Cooled Voltage Stabilizer Product Specifications

  • 12 Months

200kVA Automatic Servo Controlled Air Cooled Voltage Stabilizer Trade Information

  • Delhi
  • Letter of Credit at Sight (Sight L/C) Cash in Advance (CID) Cheque
  • Wooden Pallet / Wooden Box
  • Middle East Africa Asia
  • All India
  • IS 9815, ISO 9001-2015, ISO 14001-2015, CE Conformity EN61558-1:2005+A1:2009

Product Description

An automatic servo-controlled air-cooled voltage stabilizer is a device used to regulate and stabilize voltage fluctuations in electrical systems.

Here's a breakdown of its key components and functionality:


1. Automatic Control: The stabilizer automatically senses input voltage variations and adjusts its output to maintain a constant voltage level within a predefined range.

2. Servo Mechanism: The servo mechanism is the heart of the stabilizer. It consists of a motor-driven variable transformer or an autotransformer. This transformer adjusts the output voltage based on the input voltage variations detected by the control circuit.

3. Air Cooling: The stabilizer incorporates air cooling mechanisms to dissipate heat generated during operation. This cooling prevents overheating of the components and ensures stable performance over extended periods.

4. Voltage Sensing Circuit: This circuit continuously monitors the input voltage and provides feedback to the control mechanism. It typically includes sensors, comparators, and feedback loops to accurately detect voltage variations.

5. Control Circuit: The control circuit processes the input from the voltage sensing circuit and sends appropriate signals to the servo mechanism to adjust the output voltage. It may also include protection features such as overvoltage and undervoltage cutoff to safeguard connected equipment.

6. Enclosure: The stabilizer is housed in a protective enclosure to shield its internal components from environmental factors and physical damage.

7. Indicator Displays: Many stabilizers feature indicator displays to provide real-time feedback on input and output voltage levels, as well as status indicators for system health and operation.

8. Efficiency and Reliability: The design of the stabilizer emphasizes efficiency and reliability to ensure consistent voltage regulation without compromising energy consumption or risking equipment damage.

Technical Specifications - Model SVS34A3200


  • Rating : 200 kVA, 3 Phase, 4 Wire
  • Output Current : 289 Amps per phase
  • Input Voltage Range : 340V to 460V, 47Hz to 63Hz, 4 Wire
  • Output Voltage : 400V +/- 1%
  • Response Time : Less than 10ms
  • Suitability : Suitable for all power factor loads
  • Cooling : Natural air Cooled
  • Installation : Indoor type
  • No Load Loss : Less than 0.4%
  • Efficiency : 98-99%
  • Correction Speed : Faster than 15V per sec.
  • Input / Output Termination : On Brass studs / Connectors
  • Winding & Wiring Material : Copper EC grade (99.9% Pure)
  • Technology : Torridly wound Variable Auto Transformer for linear control and greater efficiency.
  • Controls : All the three phases controlled individually for better voltage and load management.
  • Applicable Standard : IS 9815 ; ISO 9001-2015 , ISO 14001-2015
  • International Marking : CE Conformity EN61558-1:2005+A1:2009

Optional Protections


  • Overload Cut-Off and Short Circuit Protection.
  • Low/High Voltage (out of input range) Alarm or Cut-Off.
  • Phase Missing / Phase Reversal Alarm or Cut-Off.

Optional Features


  • Digital Multifunction Meter. Manual Bypass & Auto Phase Correction

Salient Features


  • "IC" based solid-state, relay less, plug in control cards for easy online serviceability.
  • Output voltage adjustable  6% of set voltage from front panel.
  • Meters on front panel for easy monitoring of input and output voltage along with limit indicators.
  • Provision for Auto / Manual control from the front panel.
  • Wide ambient temperature operation from -20 C to 50 C.
  • Due to new innovations & improvements the technical specifications are subject to change.
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