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Characteristics
Technical sheet

Dynamic voltage restorer

ZGR AVC DVR

Dynamic voltage restorer

ZGR AVC DVR is an innovative system of compensation of voltage sags for the continuity of industrial processes.

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Characteristics

ZGR AVC DVR is an innovating system designed to mitigate and eliminate the effect of electrical disturbances on critical industrial processes through the elimination of sags and a continuous regulation for minor disturbances.

ZGR AVC DVR guarantees the quality of the grid meeting the demands of industrial production processes while keeping stable and constant the output voltage regardless of energy grid voltage variations.

It consists of a transformer, a bidirectional recti!er unit, plus an inverter. The aim of the ZGR AVC DVR is to compensate disturbances, unbalanced voltages, and to regulate them in case of possible “uctuations and overvoltages.

Moreover, ZGR AVC DVR monitors, controls and records events that occur in the system, allowing subsequent viewing through the touch control panel.

TECHNICAL SHEET

Mitigates three-phase voltage sags up to 70% of depth or single-phase interruptions
Continuous regulation to offer high stabilization (± 1 %)
High efficiency supply system > 98 %
Not battery required or other energy storage components
Compensation of voltage sags even for long times (up to 30 sec)
Swell and overvoltage compensation
Independent compensation per phase
Compensation of balanced and unbalanced voltage drops
Automatic bypass
Withstand 150 % overload for 1 second in normal mode
Less than 3 milliseconds response-time
Energy flow in both directions
Quick response speed
Touch control panel
Customizable for other powers powers, sags and/or voltage
Modular design which facilitates O&M
Easy for connecting in parallel up to 3 equipments
Mitigates voltage sags according the standards: SEMI F47, IEC 61000-4-11 and IEC 61000-4-34 (depends on the model)

Technical sheet

TECHNICAL SPECIFICATIONS

Model	40 % sag models	50% sag models	60% sag models

INPUT ELECTRICAL CHARACTERISTICS
Nominal voltage	200/208/220 or 380/400/415 or 480 Vac
Voltage range (Vac)	± 20%	+ 20% - 25%	+ 20% - 30%
Phase	3 phases+ground (neutral opcional)
Frecuency	50/60Hz ± 10 %
Frequency variation (df/dt)	4 Hz

OUTPUT ELECTRICAL CHARACTERISTICS
Voltage	200/208/220 or 380/400/415 or 480 Vac
Power range	150 - 900 kVA/kW	220 - 660 kVA/kW	150 - 450 kVA/kW
Regulation	± 1%
Phase	3 phases+ground (neutral optional)
Frequency	50 / 60Hz
Response time	< 3ms
Transfer time to Bypass	< 0.5ms
Overcharge capacitity in normal mode	110% - 30s, 150% - 1s
Overcharge capacitity in bypass mode	200 % - 60 s, 500 % - 10 s, 3000% - 0.2 s

GENERAL CHARACTERISTICS
Maximum ef!ciency	> 98%
Dielectric rigidity	2.5 kV – 1 minute
Control panel	Touch panel
Protections	Short circuits, current limitation, overload, RFI !lter, necessary disconnections
Paralellable	Up to 3 equipments (Master + 2 slaves)
Maintenance switch	Yes (in slave equipments). Optional (in master equipments)
Protection degree	IP 20
Protective class	Class I
Pollution degree rating	2
Overvoltage category	III
Vibration	Class 3M1
IK impact degree	IK07
Cooling	Forced ventilation
Working temperature	0 ~ 40 ºC
Storage temperature	0 ~ +85 ºC
Noise level	< 65 dB
Altitude	< 1000 m
Relative humidity	0 ~ 95%, without condensation

STANDARDS
Marks	CE
General directives	IEC 62477-1, IEC 61000-6-2, IEC 61000-6-4, IEC 60721-3-3

Hybrid, robust and reliable solutions

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