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Characteristics
Technical Details
Operations Manual

Three-phase String Inverters

ZGR SOLAR STR 100 /120

The ZGR SOLAR STR100 /120 offer high energy performance in a compact design, ideal for small-medium solar power plants.

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Characteristics

The ZGR SOLAR STR 100 /120 string inverters are easy-to-use devices that have been designed to meet the needs of all grid-connected solar power plants without need for the use of transformers.

In an effort to improve the performance of solar power plants, these inverters offer high energy performance of over 98%. The ZGR SOLAR STR 100 /120 inverters are equipped with LED indicators, to facilitate the user to manage the inverter.

This range of string inverters offers a voltage range DC input, at full load, between 550 to 850 Vdc; and a rating of protection IP 66.

TECHNICAL SHEET

Multiple Maximum Power Point Trackers (MPPT)
High energy efficiency greater than 98%
Very low harmonic distortion, THD <3%
Direct connection to grid or to step-up transformer
Parallel connection without limitation
Equipment monitoring via LED and Bluetooth connection via mobile device
Anti-islanding protection with automatic disconnection
Protection against: Reverse polarization, short circuits, overvoltage, insulation faults
Compact design for easy installation

Technical Details

TECHNICAL SPECIFICATIONS

Model	ZGR SOLAR STR100	ZGR SOLAR STR120

INPUT [DC]
Max. PV voltage	1100 V
MPPT range	550 - 850 Vdc
Nominal input voltage	620 V
DC starting voltage	200 V
MPPT number	10
Strings per MPPT	2
Max . Current per MPPT	26 A
Max. Short-circuit current per MPPT	35 A
Max. DC Current	35 A
Max. Current DC	260 A

OUTPUT [AC]
Nominal AC output power	100 kW @30 ºC 100 kW @40 ºC 100 kW @50 ºC	120 kW @30 ºC 110 kW @40 ºC 100 kW @50 ºC
Max. AC apparent power	100 kVA	120 kVA
Max. AC output power	100 kW	120 kW
Nominal AC Voltage	400 Vac, 320 - 480 V
AC Conection	3 W + N + PE
AC frequency range	50 / 60 Hz (± 5 Hz) (adjustable)
Nominal Output current	144,5 A	173,9 A
Max. Output current	147 A	176,4 A
Power factor range	0,8 captative - 0,8 inductive
THDi	< 3%

EFFICIENCY
Ef!ciency (max)	99 %
European Efficiency	98,6 %

PROTECTIONS
Protections	DC switch, Anti-islanding Protectión, Protection; Reverse Polarity DC Connection, String fault detection, Overvoltage DC/AC, Insulation Failure, Overcurrent Protection, AC short circuit.

ENVIRONMENTAL AND MECHANICAL CHARACTERISTICS
Topology	Transformerless
Input terminal	Amphenol
Cooling Method	Forced air cooling (Fan)
Operating Temperature Range	-25°C - 60°C (>40°C derating)
IP class	IP66
Protection Degree	Clase I
Noise emissions	< 4000 m without derating
Pollution Degree	PD3
Relative Humidity	0 - 100% (non-condesing)
Dimensions (Height x Width x Length)	1055 x 700 x 336 mm
Weight	96 Kgs

COMMUNICATIONS
Communications	RS485

REGULATIONS
Certi!cacions and standards	EN 62109-1: 2011 & EN 62109-2:2013; EN 61000-6-2 & EN 61000-6-4; VDE 0126-1-1; RD 244/2019 & UNE 217001:2020 ; EN206007 & UNE 217002:2020

Operations Manual

Manual English

Hybrid, robust and reliable solutions

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