Aurora UNO 2.0 and 2.5 string inverters offer the levels of performance and reliability you expect from Power-One with class-leading energy harvest due to Power-One’s high speed and precise MPPT algorithm along with a CEC weighted efficiency of 96%. Available in 2kW or 2.5kW and with a wide MPPT input range, the Aurora UNO 2.0 and 2.5 are well suited for North American residential rooftop installations and provide the flexibility system designers need. Aurora UNO 2.0 and 2.5 are simple to wall mount and are extremely lightweight while still featuring an inverter-integrated DC disconnect with combiner, lowering overall installation cost. Incorporating over 30 years of high reliability power electronics design experience, the Aurora UNO 2.0 and 2.5 include a standard 10-year warranty with available warranty extensions up to 20 years.
Features • 96% CEC efficiency and Industry-leading MPPT for real time power tracking and improved energy harvesting • Wide MPPT input voltage range enables high flexibility in string design • Extra quiet High frequency transformer inverter architecture, NEMA4X enclosure and light weight design enable leading inverter mounting flexibility • Fully inverter-integrated DC disconnect and wiring box saves installation time and cost • Flexible data monitoring options to view inverter performance where and how you need it • Standard 10-Year Warranty, available extensions to 15 and 20 years
AURORA UNO
1
BLOCK DIAGRAM OF UNO-2.0-I AND UNO-2.5-I
IN1.1(+)
MPPT (DC/DC)
IN1.1(+) +
IN1.2(+)
IN1.1(-)
-
IN1.2(-)
INVERTER (DC/AC)
BULK CAPS
GRID PARALLEL RELAY
LINE FILTER
-L IN
IN IN1.1(-)
HF TRANSFORMER
+
+
IN1.2(+)
IN
-
-N
-
IN1.2(-) - PE
STANDARD VERSION
-S VERSION
RS485 + T/R - T/R RTN DC/AC DSP CONTR.
DC/DC DSP CONTR.
REMOTE CONTROL +R -R
µP
ALARM N.C N.O C
CONTROL CIRCUIT
Block Diagram and Efficiency Curves
UNO-2.0-I-OUTD-US*
UNO-2.5-I-OUTD-US*
98%
97% 96%
96%
95% 94%
92%
Efficiency, %
Efficiency, %
94%
90% 88% Vin=200V Vin=340V Vin=416V
86% 84% 0%
10%
20%
30%
40%
50%
60%
70%
80%
% of Rated Output Power
*Efficiency shown for inverters operating at 240Vac
2
AURORA UNO
90%
93% 92% 91% 90% Vin=200V Vin=340V Vin=416V
89% 88% 100%
87% 0%
10%
20%
30%
40%
50%
60%
70%
80%
% of Rated Output Power
*Efficiency shown for inverters operating at 240Vac
90%
100%
TECHNICAL DATA
VALUES
UNO-2.0-I-OUTD-US
UNO-2.5-I-OUTD-US
W W V
2000 2200** 240
2500 2750** 240
Nominal Output Power Maximum Output Power Rated Grid AC Voltage Input Side (DC) Number of Independent MPPT Channels Maximum Usable Power for Each Channel Absolute Maximum Voltage Start- Up Voltage (Vstart) Full Power MPPT Voltage Range Operating MPPT Voltage Range Maximum Usable Current Maximum Short Circuit Current Limit Number of Wire Landing Terminals Per Channel Array Wiring Termination Output Side (AC) Grid Connection Type Adjustable Voltage Range (Vmin-Vmax) Grid Frequency Adjustable Grid Frequency Range Maximum Current Power Factor Total Harmonic Distortion At Rated Power Grid Wiring Termination Type Protection Devices Input Reverse Polarity Protection Over-Voltage Protection Type PV Array Ground Fault Detection
W V V V V A A
V Hz Hz A %
PV Array Isolation Control Output Anti-Islanding Protection Over-Voltage Protection Type Maximum AC OCPD Rating Efficiency Maximum Efficiency CEC Efficiency Operating Performance Stand-by Consumption Night Time Consumption Communication User-Interface Remote Monitoring Wired Local Monitoring Wireless Local Monitoring Environmental
A % % WRMS WRMS
Ambient Air Operating Temperature Range
°F (°C)
Ambient Air Storage Temperature Range Relative Humidity Acoustic Noise Emission Level Maximum Altitude for Full Power Operation Mechanical Specifications Enclosure rating Cooling Dimensions (H x W x D) Weight Mounting System
°F (°C) % db (A) @1m ft(m)
in (mm) lb (kg)
Conduit Connections*** DC Switch Rating Safety Isolation Level Safety and EMC Standard Safety Approval Warranty Standard Warranty Extended Warranty Available Models Standard With DC Switch and Wiring Box