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Characteristics
Technical details

Central Modular PV Inverter

ZGR SOLAR CTR 4500

ZGR SOLAR CTR 4500 is a central inverter that guarantees high efficiency in large-scale PV plants.

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Characteristics

The ZGR-CTR 3000/4500 modular inverters have been specifically designed to take advantage of the performance and increase the power density in large-scale PV plants. It has a high power density per unit volume. Scalable and modular, it consists of six modules.

Otra característica muy importante es su regulación de potencia reactiva y sus capacidades de respuesta, en lo que respecta a las comunicaciones entre los inversores y los sistemas de control y supervisión. Además, se adapta a diversas regulaciones para cumplir con los requerimientos de respuesta a huecos de tensión sin desconexión.

Another very important feature is its reactive regulation and its capabilities regarding communications between the inverters and centralized control and supervision systems. The ZGR SOLAR CTR 4500 inverters adapt to various regulations to meet the requirements for response to voltage dips without disconnection.

As the modules have independent operation, in the ZGR SOLAR CTR 4500 we can completely isolate one segment of the inverter while the other maintains full operation.

All in all, a highly productive, flexible and robust central inverter, perfect for Utility Scale PV projects and specifically designed to operate under the most severe weather conditions.

Maximum Power Point Tracking (MPPT)
High efficiency > 99.8%
Very low harmonic distortion, THD < 3%
Adjustable power factor
Anti-island protection with automatic disconnection
Quick response to changes in the set point
Wide range of working temperatures, from -20 ºC to +60 ºC
Max Power without derating up to 50 ºC
Scalable and modular using power modules
AC protections: Short-circuits and overloads; Overvoltages and voltage drops; Over frequencies and frequency drops.
IP55 Protection Level
Maximum operation altitude up to 4000 m.
Low-cost maintenance
Remote monitoring
Support for voltage sags
Protection against: Reverse polarity; Short-circuits; Overvoltages.

Technical details

TECHNICAL SPECIFICATIONS

Model	ZGR CTR 4500
Power modules	6

DC INPUT
Maximum power voltage range (Pmax)	975 - 1500 V
MPPT's	1-2 (configurable upon request)
Maximum DC voltage, Vdc max	1500 V
Maximum input current, Idc	4620 A
Maximum short circuit current, Isc	6930 A
N.º input	36
Overvoltage category	OVC II

AC OUTPUT
Nominal Power with cos phi = 1 (@50 °C)	4500 kW
Nominal output current, Iac	3762 A
Nominal voltage	690 Vac ± 10%
THDi	< 3% at rated power
Power Factor range	0,5 lead - 0,5 lag (configurable)
Grid frecuency AC / range	50 / 60 Hz ±5Hz
Maximum short circuit current, Isc (Breaking capacity)	65 kA
Maximum fault current (Ipeak 5 mseg)	9750 A
Output overcurrent electronic protection (2 seg)	4512 A
Output overcurrent protection(<500mseg)	7524 A
Overvoltage category	OVC III

EFFICIENCY
Max	98,8 % ±0,1%

PROTECTIONS
DC connection protection	Fuse + DC breaker
AC connection protection	AC breaker
DC surge protection	Surge arrester, type II
AC surge protection	Surge arrester, type II
Ground fault monitoring	GFDI / (Isolation monitoring optional)
Degree of protection: (according to IEC 60529)	Outdoor - IP55

ENVIRONMENTAL AND MECHANICAL CHARACTERISTICS
Dimensions (H x W x L)	2529 x 2014 x 4053 mm
Approx. Weight	6200 Kg
Self-consumpltion (stand-by)	< 250 W
Internal auxiliary power supply	Integrated transformer
Operating temperature range	-20 °C - +60 °C (Max power up to 50° C)
Noise emissions	< 65 dB @10m
Max. relative humidity (without condensation)	0 % to 95 %
Protection class	Class I
Max. operating altitude (without derating / with derating)	2000 m / 4000 m
Air consumption	24000 m3 / h
DC connection	Connection bar for cable terminal for each inlet (one per pole)
AC connection	Connection bar for cable terminal for each inlet (one per phase)
Enclosure colour	RAL 7035

COMMUNICATIONS
Communications	Ethernet, Modbus TCP

CERTIFICATIONS & COMPLIANCE
Standards	UNE-EN IEC 62109-1; UNE-EN IEC 62109-2; CISPR11/EN 55011 + AMD1 + AMD2; EN 61000-6-2; NTS UE 2016/631 Rev 2.1; NTS P.O.12.2 SENP; UNE 217002

Hybrid, robust and reliable solutions

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