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Characteristics
TECHNICAL DETAILS

Three-phase Power Plant Inverter

ZGR SOLAR CTRh 3.3 MW 1500V

INVERSOR CENTRAL TRIFÁSICO

The ZGR CTR 3300 range guarantees high performance in the worst ambient conditions

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Characteristics

The ZGR CTR 3300 Inverters have been specifically designed to optimise the performance and reduce the power density in medium and large PV plants.

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

Another very important characteristic is its automatic reactive power regulation and its communication capacity between inverters and the centralised control and monitoring systems.

The ZGR CTR 3300 inverters comply with various regulations in order to meet response requirements to voltage drops without disconnection.

They are perfect for utility PV projects (medium to large-scale) and are specifically designed to meet the most demanding specifications and operate under severe weather conditions.

TECHNICAL DETAILS

Input Voltage Range (950-1500 Vdc)
Maximum Power Point Tracking (MPPT)
High-energy efficiency MPPT > 99%
Very low harmonic distortion, THD < 3%
Selectable power factor
Anti-islanding protection with automatic disconnection
Rapid response to a change in the set point
High working temperature range, from -40 ºC to +50 ºC
Scalable, modular and redundant by means of power modules
AC protection devices: • Short-circuits and overloads • Over voltages and voltage drops • Over frequency and frequency drops
IP65 protection rating for its most critical components
Operation at altitude up to 4000 m
Low-cost maintenance
Integrated DC/AC isolation chargers
Monitorización en remoto.
Remote monitoring
Support for voltage dips
Protection against: • Reverse polarisation • Short-circuit • Overvoltages• Insulation faults with output to relay.

TECHNICAL DETAILS

TECHNICAL SPECIFICATIONS

Model	ZGR CTR 3300 1500V

INPUT (DC)
MPPT voltage range (25ºC / 35ºC / 50ºC)	950 V a 1500 V
MAX MPPT voltage (50ºC)	1350V
Min input voltage, min Vdc / Start-up voltage Start-up Vdc	950V/1100V
Ambient protection rating	IP21 (in container IP54)
Max input voltage, max Vdc	1500 V
Max input current Max Idc	3515 A
Max short-circuit current	3400A
Number of DC inputs	up to 24 protected by two poles (32 protected by one pole) for photovoltaic inputs
Max number of DC cables per input	2 x 800 kcmil, 2 x 400 mm2
DC fuse size available (per input)	200 A, 250 A, 315 A, 350 A, 400 A, 450 A, 500 A

OUTPUT (AC)
Nominal AC power with cos phi = 1 (50ºC / 60ºC)	3300 kVA / 3100 kVA
Nominal AC power with cos phi = 0.8 (50ºC / 60ºC)	2640 kW / 2400 kW
Rated AC current Iac, max = max output current max Iac	2677 A
Max distortion coefficient	<3% at rated power
AC rated voltage / AC voltage range	50 Hz / 45 Hz - 55 Hz 60 Hz / 55 Hz - 65 Hz
AC network frequency / range	>2
Min short-circuit ratio at the AC terminals	1 / 0.8 inductive to 0.8 capacitive
Power factor to assigned power / adjustable lag factor	1 / 0.8 inductive to 0.0 capacitive

WORKING TIME
Max / European / Californian	98,9 % / 98,7 % / 98,6%

PROTECTION DEVICES
Connection point on the DC side	DC circuit breaker
Connection point on the AC side	AC circuit breaker
Protection against DC overvoltage	Type II surge discharger
Protection against AC overvoltage	Type II surge discharger
Earth fault / earth fault monitoring by remote control	GFDI
Protection type: electronic / air duct / connection area (in accordance with IEC 60529)	IP65/IP34/IP34

GENERAL DETAILS
Dimensions (height / width / length)	2400 / 2200 / 2800
Weight	5250 Kg
Self-consumption (max. / partial load / average)	< 8100 W / < 1800 W / < 2000 W
Self-consumption (on stand-by)	< 370 W
Internal auxiliary power supply	8.5 kVA integrated transformer
Service temperature range:	-25 ºC - 60 ºC
Noise emissions:	67,8 dB
Temperature range (on stand-by)	-40 ºC - 60 ºC
Temperature range (storage)	-40 ºC - 70 ºC
Max relative humidity (with/without condensation)	95 % to 100 % (2 months/year) / 0 % to 95 %
Max operating altitude (with/without derating)	2000 m / 4000 m
Air consumption	8000 m3/h

EQUIPMENT
DC connection	Cable terminal at each input (without fuse)
AC connection	With busbar system (three busbars, one for each phase conductor)
Communication	Ethernet, Modbus master, Modbus slave
ZGR String Monitoring communication	Modbus TCP / Ethernet (fibre optics, MM, Cat-5)
Enclosure colour
Power supply transformer for external equipment	2.5 kVA integrated transformer
Compliance with regulations	EN 61000-6-1, EN 61000-6-2, EN 61000-6-4, EN 61000-3-11, EN 61000-3- 12, EN 62109-1, EN 62109-2, IEC62103, EN 50178, FCC Part 15, AS3100 and UL IEC 62116, UE 2016/631, Arrêté du 9 juin 2020, CEI 0-16, V1:2020-12, Terna A68, G99, VDE-AR-N 4110, P.O.12.2 (NTS), P.O. 12.3, South African Grid Code, Chilean Grid Code, Ecuadorian Grid Code, Peruvian Grid Code, Thailand PEA requirements, IEC61727, UNE 206007-1, ABNT NBR 16149, ABNT NBR 16150, IEEE 1547, IEEE1547.1, GGC&CGC China, DEWA (Dubai) Grid Code, Jordan Grid Code, RETIE Colombia

Hybrid, robust and reliable solutions

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