StatiVolt® – Range of static thyristor-based voltage stabilizer-regulators

The cost-effective solution to protect your electrical, computer, and electronic equipment against disruptions in the electrical network.

Power range from 3 kVA single-phase to 3200 kVA three-phase
Possibility of parallel mounting: up to 16 units
Multiple industrial voltage ranges: 230, 380, 400, 415, 480, 600 V
Very wide range of input voltage levels: from +/- 5% to -65% / +50%
Compensates for three-phase and single-phase voltage sags up to 65% depth (-25% standard)
Protects against surges up to +50% (+15% standard)

Application areas

Solution suitable for multiple areas of application.

Telecom sites

Bank branches

Industrial sites

Tertiary sector

Agriculture

Pumping

The voltage stabilizer-regulator is the most cost-effective solution to protect electrical, electronic, and computer equipment against temporary and permanent voltage fluctuations in the network.

It is a device that can maintain a constant output voltage (within tolerance limits) regardless of variations in the input voltage, within predefined limits relative to the nominal voltage.

To maintain a constant output voltage, it switches taps on a booster transformer in response to changes in the system voltage. Therefore, it adjusts the transformation ratio to regulate the output voltage.

To achieve this, it is equipped with a microprocessor control board that continuously monitors and controls the grid voltage, adjusting the output voltage to the correct value, thus protecting sensitive equipment and providing them with a stable and correct power supply.

Advantages of our solution

Compared to standard stabilizers available on the market, our StatiVolt® range offers the following advantages:

Static switching by thyristors allowing for voltage sags and surges correction, 10 times faster than dynamic stabilizers (with motorized autotransformer).
The use of a Booster transformer allows for very fast voltage correction, while also avoiding power interruptions during voltage regulation phases.
The ability to set the output nominal voltage yourself: between 210V and 240V for single-phase stabilizers and between 360 and 440V for three-phase stabilizers, thanks to its voltage regulator function.
An LCD display on the front panel allows you to monitor key parameters (phase voltage, load percentage, alarms, etc.).
A very limited need for preventive maintenance as our range of stabilizers includes no moving parts.
Optionally, galvanic isolation at the input protects your equipment from disturbances originating from the neighboring electrical network.

As a standard feature, the range of static voltage stabilizers corrects voltage sags within the voltage range of -25% to +15%, lasting 100ms or more, with a response time of around 20 milliseconds and a speed of 500 V/sec.

This range of stabilizers can also optionally offer wider voltage ranges, ranging from -60% to +40% lasting 100ms.

The device includes, as standard, protection against temporary or permanent overvoltages, undervoltages, overheating, overloads, phase losses, and short circuits provided by a thermal-magnetic circuit breaker at the input.

As an option, the device includes the following protections and features:

An output protection circuit breaker;
A Maintenance Bypass Switch;
An LC filter for high-frequency parasite filtering between neutral and PE conductor;
A surge protector for protection against transient surges, which can be very harmful to electronic equipment;
An intelligent differential protection with front-panel display of earth leakage current;
An RS485 communication port with Modbus protocol for integration into SCADA, GTC systems, or energy management systems.

Our Range

1
Power range from 3 kVA single-phase to 3200 kVA three-phase (5720 A)
2
Parallel mounting capability: up to 16 units (to be specified upon ordering)
3
Multiple industrial voltage ranges: 230, 380, 400, 415, 480, 600 V
4
Wide range of input voltage fluctuations: from +/- 5% to -65% / +50%
5
Compensation for three-phase and single-phase voltage sags up to 65% depth (-25% as standard)
6
Protection against surges up to +50% (+15% as standard)
7
Galvanic isolation option (Standard: StatiVolt® is supplied with input autotransformer)
8
Maintenance-free microprocessor-controlled technology;
9
Response time less than 3 ms
10
Supports overload of 200% for 200 ms, 150% for 10 seconds, and 125% for 3 minutes
11
High efficiency: up to 97%
12
Manual bypass to transfer the load directly to the grid
13
Front LCD display for monitoring key parameters (phase voltage, load percentage, alarms, etc.)
14
Thermal-magnetic protection fuses at the input and output of the unit
15
Industry 4.0 ready: Capability for supervision and integration into an energy management system, SCADA, or BMS
16
Made in Europe

Technical characteristics

General features
Power (kVA)	Power range from 1 kVA to 3,200 kVA
Technology	Thyristor Technology, fast voltage regulation, maintenance-free design
Configuration Thyristor	6 Thyristor 8 Thyristor 10 Thyristor

Inputs
Nominal input voltage	Three-phase model: 400V AC three-phase + Neutral + Ground Model single-phase: 230V AC single-phase + Neutral + Ground (Different voltages are available as an option)
Voltage tolerance	Model XS : -15%, +15% Model S : -25%,+15% Model M : -35%,+15% Model L : -50%, +15%
Frequency	50Hz. +/-5% (60Hz. in option)

Outputs
Nominal input voltage	Three-phase model: 400V AC three-phase + Neutral + Ground Model single-phase: 230V AC single-phase + Neutral + Ground (Different voltages are available as an option)
Voltage tolerance	Between +/-1% and +/-5% (in option)
Frequency	50Hz. +/-5%
Overload capacity	125% 1min. 150% 10sec. 151% and above for 0.2sec
Response time	20msec
Correction time	100msec. – 200msec
Efficiency	>97% typical

Management, control, and communication interfaces
Control panel with LCD display	LCD display 4×20 and schematic diagram Input voltage, output voltage, load percentage, frequency, information and error status, installation parameters
Control panel screen	7″ touchscreen Input voltage, output voltage, load percentage, frequency, information and error status, installation parameters
Remote management interface (optional)	Remote management via web browser with Ethernet connection (optional) Modbus RTU with RS485 connection (optional)

Management, control, and communication interfaces
Voltage protection	Electronic protection for low voltage and high voltage
Current protection	Input circuit breaker (output circuit breaker on request)
Overload protection	Electronic overload protection (1min. at 125% overload, 10sec. at 150% overload, 0.2sec. at >151% overload >151%)
Overheating protection	Electronic protection against overheating (the fan starts at 50°C. The load power is cut off at 80°C).
Surge arrester	Surge protector Class-I or Class-II (optional)

Environmental conditions
Operating temperature	-10°C ~+50°C
Operating altitude	1.500m
Humidity	90% non-condensing
Acoustic noise	<55dB (at a distance of one meter with closed door)

Cabinet features
Type – Protection class	Free-standing modular cabinet, interior IP21 type (Protection class: IP54 and above. Types of outdoor cabinets are optional)
Paint – Color	Epoxy-Polyester powder coating – RAL 7035
Cooling	Forced air cooling with fan controlled by thermostat