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Servolt Elektrik continues to be side by side with its customers via providing demanded technical support or products with its current wide product portfolio and service network without giving any promises from its quality and service understanding for 23 years.
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VOLTAGE REGULATOR AND STABILIZERS

STK SERIES – THREE PHASE SERIES

STK SERIES – THREE PHASE

 

STATIC DIGITAL VOLTAGE REGULATION

To learn more about the range of STK SERIES – THREE PHASE SERIES Static Voltage Stabilisers available from Servolt, please check out the following listings, or download the brochure below:

download pdf

Features

  • Automatic Voltage Regulation

Digitally controlled voltage stabilisation

  •  Reliable Voltage Correction

Maintenance-free Thyristor Technology

  • Design Features

Customizable structure for customer demands

  • Wide Range of Power Ratings

Three Phase 200 to 3500 Kva

  •  Choice of Input Voltage Ranges

“Low Voltage up to 60%. High Voltage up to 45%.”

  •  Choice of Input Voltage Ranges

“± 2% (Default) – adjustable from ± 2% to
±6%, (dependent on input swing ).”

  • Switch-on Delay

Protects loads against harmful high-energy
surges, transients and spikes.

  •  Independent Phase Balancing & Control

Independent phase voltage sensing and control to ensure the individual phase voltages remain stable -regardless of load
unbalance .

  • Phase Failure Protection

Protection of the load in the event of phase failure.

  •  Digital LCD Monitoring Panel

All operating parameters can be monitored from this panel and some operating parameters can be adjusted.

  • Optional Accessories

Isolation Transformer, Outdoor Enclosures, Output Circuit Breaker, Lightning Surge Arrestors.

Technical Specification

WORK TECHNIQUE Microprocessor Controlled Thyristor Technology
Thyristor Configuration 6 Thyristor 8 Thyristor 10 Thyristor
Input Voltage Swing Variant Options Available: Swing Model No A* Window
A 1 275 – 435 V AC
A 2 310 – 450 V AC
A 3 220 – 400 V AC
Output Voltage: Presettable for any voltage between 380/220V, 400/230V & 415/240V
Output Voltage Accuracy: ± 2%
Frequency: 50 HZ ± %5
Overload Capacity: 10 seconds. 200% load
Efficiency: > 95% At full load
Response Time: 20 msec
Correction Speed 500 Volt / Second
Output Delay Time Set Numerical ability to pre-set menu
Manuel By-Pass Manuel main-voltage regulator selective interruption switch
Environment Temperature range 0 to 50 °C ,Suitable for indoor use, Maximum altitude 2000m.
Construction: Free standing enclosures to IP20 IP54 Enclosures available as an option
Paint Colour: As standard RAL 7024 (Graphite Grey) – Epoxy Powder Coating. Other colours available as an option on specific request
Cooling: Forced air cooling with thermostat controlled fan
Standard Features: Input Circuit Breaker
Output Contactor
Over/Low Voltage Protection
Phase Failure Protection
Front Status LCD Panel with Voltmeter

Read more from our Static Digital Voltage Regulation pdf