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Characteristics
Technical details

Central Modular PV Inverter

ZGR-CTR4500 UL

ZGR-CTR4500 guarantees Max Power up to 50º C with high performance in medium and large-sized PV plants.

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Characteristics

The ZGR-CTR4500 modular inverters have been specifically designed to take advantage of the performance and increase the power density in medium-sized PV generators and large plants.

They have a high-power density per unit volume, making possible a significant reduction in the space required for the implementation of PV inverters in utility-scale plants.

Another very important feature is its reactive regulation and its capabilities regarding communications between the inverters and centralized control and supervision systems.

The ZGR-CTR4500 inverters adapt to various regulations to meet the requirements for response to voltage dips without disconnection.

They are perfect for medium-large PV Utility-Scale projects and are specifically designed to operate under severe climatic conditions.

Technical sheet

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
Maximum 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
NEMA 3R Protection Level
Maximum operation altitude up to 4,000 m.
Low-cost maintenance
Remote monitoring
Support for voltage sags
Protection against: Reverse polarity; Short-circuits; Overvoltages.

Technical details

TECHNICAL SPECIFICATIONS

Model	ZGR-CTR4500
Power modules	6

DC INPUT
Max power voltage range (Pmax)	975 1500 V
Number of MPPT’s	1-2 (configurable upon request)
Max DC voltage, V dc max	1500 V
Max input current, ldc	4620 A
Max short circuit current, lsc	6930 A
Max Nº input	36
Overvoltage category	OVC II

AC OUTPUT
Nominal Power with cos phi = (@ 50 ºC)	4500 kW
Nominal output current, lac	3762 A
Nominal voltage	690 Vac ± 10%
THDi	<3% at nominal power
Power Factor range	0,5 lead - 0,5 lag (configurable)
Grid frecuency AC / range	60 Hz ±5 Hz
Maximum short circuit current, lsc (Breaking capacity)	65 kA
Maximum fault current (lpeak 5 mseg)	9750 A
Output overcurrent electronic protection (2 seg)	4512 A
Output overcurrent protection (<500 mseg)	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 - NEMA 3R

PHYSICAL AND ENVIRONMENTAL
Dimmensions (H x W x L)	2529 x 2014 x 4053 mm
Approx. Weight	6200 Kg
Self-consumption (stand-by)	< 250 W
Internal auxiliary power supply	Integrated transformer
Operating temperature range	-20 ºC - +60 ºC (Max power up to 50 ºC)
Noise emissions	<65 dB @ 10m
Max. relative humidity (without condensation)	0% to 95%
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 for cable terminal for each inlet (one per pole)
AC connection	Connect0in for cable terminal for each inlet (one per phase)
Enclosure colour	RAL 7035

COMMUNICATIONS
Communications	Ethernet, Modbus TCP

CERTIFICATIONS & COMPLIANCE
Standards	UL 1745SB; UL 1998; NEC2023; UNE-EN IEC 62109-1; UNE-EN IEC 62109-2; CISPR 11/EN 55011 + AMD1 + AMD2; EN 61000-6-2; UNE 217002

Hybrid, robust and reliable solutions

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