Static IGBT Voltage Stabilizer

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Static IGBT Voltage Stabilizer

Static IGBT Voltage Stabilizers ensure fast and accurate voltage regulation for sensitive industrial systems. With high correction speed and full electronic control, they compensate for voltage fluctuations and phase imbalances, ensuring reliable and uninterrupted operation of connected loads.

Overview

Main Category
Voltage Control
Power Rating
Up to 400 kVA
Correction Speed
1000 V / sec
Voltage Tolerance
± 1%
Response Time
< 50 ms
Regulation
PWM solid-state
Protection
Surge + imbalance handling
Maintenance
Maintenance-free (no moving parts)

More Detail:

Contact info
      • True RMS value measurement
      • DS-PIC microprocessor-controlled system
      • Excellent dynamic and static regulation
      • Wide input voltage interval, 130-270 VAC
      • Electronic protection against overload and short circuits
      • Regulation at 220 V ±1%, 1000V/sec. regulation speed
      • LCD Panel with load level, input and output voltages displays
      • Programmable lower and upper overvoltage protection
      • Each phase can be independently regulated. In case of a phase is out of the tolerance range, all phases are shut down at the same time. Once voltage is applied to the system again, all phases are turned on at the same time. After each phase checked separately, when all phases are in balance then output voltage is applied to the load. Thanks to this control, output voltage is applied to the load in a delayed manner. In case of any failure of the phases, all phases are simultaneously shut down to protect the system.
      • Thanks to the semi-conductive technology, risk of breakdown is low. Also service time is prolonged and maintenance free.
      • Protects itself and the system in case of sudden voltage impact or changes. If necessary, it automatically interrupts its output.
      • Monitors grid voltage changes and indicates that connected systems are protected and output voltage is fixed.
      • Output voltage is measured, adjusted and displayed to the user as TRUE RMS.
      • Displays network voltage values and notifies the user with an audible alert in case of sudden increases or drops, so that precautions can be taken.
      • Audibly notifies the user in case of overheating and overloading.
      • In case output voltage goes above the adjusted value, it shuts itself down by turning the output contactor off, thus protecting the system. Also indicates this situation through audio and LED notifications.
      • Displays output load and provides audio notification in case of overloading or short circuits. Protects itself by turning the circuit off through the output contactor.
GENERAL
Model VRS Series (1-Phase) 10kVA-100kVA / VRST Series (3-Phase) 30 kVA-400kVA
Topology Full Automatic Static Stabilizer with IGBT Semiconductor Architecture including active rectifier and inverter with high frequency switching
Control DSP Controller
Overall Efficiency > 95%
Mechanical By-pass Manual “Mains Power – Voltage Regulator” Switched Selector
INPUT
Input Voltage 230/400V (3-phase) , 230V (1-phase); (Optional 115/200VAC)
Input Voltage Regulation Range ±25%; (Optional ±50%)
Operating Frequency 50 Hz±5% or 60 Hz±5%
Input MCB Optional
OUTPUT
Output Power Factor 0.8 inductive and capacitive
Output Voltage 230/400V (3-phase), 230V (1-phase); voltage is adjustable through the front panel (Ex: if the load voltage is 240V for 220V system then the output voltage can be adjusted as 240V from the front panel)
Output Voltage Tolerance ±1% adjustable upto 5%
Regulation Speed 1000 V/sec
Dynamic Response Time ‹ 50 msec
Dynamic Response Voltage Tolerance ±10% with %100 input voltage change
Overload Level 100% – 125% for 10 minutes, 125% – 150% for 1 minutes
Output Frequency Equal to Input Frequency
Output ThD Same with Input
Output Protection Short circuit, Overvoltage, Over Temperature (electronic protection), High and Low Voltage Interruption, MCB (optional)
Load Power Factor Independent from Inductive and Capacitive load, and unlimited
DIGITAL CONTROLLING PANEL
Indicator and Buttons 2 x 16 LCD Panel, Menu Selection and Parameter Adjustment Buttons
Warning Messages High/Low Input Voltage, High/Low Output Voltage, Overload, Over Temperature, SCR Fuse Failure, Fan Failure
Monitored Values Input Power, Output Voltage and Load Percentage (%)
Output Tolerance Adjustment Between 1% and 5%
Output High Voltage Protection Adjustment Adjustable between +10% and +20% in intervals of 1V
Output Low Voltage Protection Adjustment Adjustable between -10% and -20% in intervals of 1V
Audio Alarm 2 short “BEEPS” in every 2 seconds for Warning Messages
Alarm Relay Over Temperature, High 0utput Voltage, Low Output Voltage, Overload, Fan Failure, SCR Failure, Low Input Voltage, High Input Voltage
COMMUNICATION
Optional Remote Monitoring through RS-232 and RS-485 Modules, TCP/IP, Parameter Adjustment, Last 250 events recorded and displayed on front panel and on PC via remote communication
ENVIRONMENT
Cabinet Indoor
Cooling Forced with Redundant Fan / Natural (OPTIONAL)
Operating Temperature -10 / +40 °C. Higher operating temperatures are available, please consult
Protection Level/Color IP 20 / RAL 7035 (Standard), higher IP rating and different colors are available, please consult
Relative humidity 0 – 90%. Higher relative humidity are available, please consult
Operating Attitude Max. 2000 Mt. (Higher altitudes requires de-rating, please consult )
Noise Level Lower than 60dB at a distance of 1 m
Electrical Standards EN 50091-1 (Safety) / EN 50091-2 (EMC)

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