TRIO

Features

AURORA UNO

TRiO-20.0-TlTRiO-27.6-Tl

GENERAL SPECIFICATIONSOUTDOOR MODELS

1AURORA TRIO

‘Electrolyte-free’ power converter to further increase the life expectancy and long term reliabilityTrue three-phase bridge topology for DC/AC output converterDual input sections with independent MPPT, allows optimal energy harvesting from two sub-arrays oriented in diff erent directionsDetachable wiring box to allow an easy installationIntegrated string combiner with diff erent options of configuration which include a DC disconnect switch, DC fuses and surge protection devicesHigh speed and precise MPPT algorithm for real time power tracking and improved energy harvestingFlat efficiency curves ensure high efficiency at all output levels ensuring consistent and stable performance across the entire input voltage and output power rangeNEMA4X outdoor enclosure for unrestricted use under any environmental conditionsActive Power reduction and the Reactive Power regulation (fi xed cos(phi), standard cos(phi)=f(P) curve, Fixed Q (Q/Pn))Auxiliary DC output voltage (24V, 300mA)

••••••••••

The latest in Power-One’s Aurora Trio range, this new-look 1000VDC, three-phase inverter fills a specific niche in the commercial solar market. This new three-phase inverter benefits from the three-phase inverter technology perfected in the PVI-10.0 and 12.0, probably the world’s most commonly used three-phase inverter which has led the way in best-in-class efficiency.

Controlling more PV panels than its smaller predecessor, the Trio-27.6 and Trio-20.0 off ers more fl exibility and control to installers who have large installations with varying aspects or orientations. This device has two independent MPPTs and efficiency ratings of up to 98.2%. The very wide input voltage range makes the inverter suitable to installations with reduced string size.

The new look inverter has new features including a special built-in heat sink compartment and front panel display system. The unit is free of electrolytic capacitors, leading to a longer product lifetime.

Block Diagram and Effi ciency Curves

2 AURORA TRIO

TRiO-20.0-Tl-OuTD-us* TRiO-27.6-Tl-OuTD-us*

BlOcK DiaGRaM OF TRiO-20.0/27.6-Tl-OuTD-us

90

91

92

93

94

95

96

97

98

99

100

E�ci

ency

, %

% of Rated Output Power

500 Vdc

620 Vdc

800 Vdc

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

90

91

92

93

94

95

96

97

98

99

100

E�ci

ency

, %

% of Rated Output Power

500 Vdc

620 Vdc

800 Vdc

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

1

2

2

1

1 INVERTER2 WIRING BOX

MODBUS/PMU

+ T/R

- T/R

RTN

ALARM

N.C

N.O

C

ON2OFF EXT

COMMUNICATION CIRCUIT

SERVICE

+ T/R

- T/R

RTN

GRID STANDARD SETTING

SERVICE OR NORMAL

SERVICE RES

MODBUS RES

AN 1

AN 2

PAR/IND INPUT

* an expansion slot for future implementation of new communication systems is available

*

+24V

RTN

+5V

PT100

PT100

PT100

PT100

PT100

PT100

MODBUS/PMU

+ T/R

- T/R

RTNA2

A2COM

PVI-RADIOMODULE

(OPT)

µP

A1

A1COM

IN1

+

-

MPPT 1(DC/DC)

IN2

+

-

MPPT 2(DC/DC)

BULK CAPSINVERTER(DC/AC)

LINEFILTER

DC/DCDSP

CONTR.

DC/ACDSP

CONTR.

µP

CONTROL CIRCUIT

GRID PARALLELRELAY

L1

L2

L3

N

PE

IN1(+)

IN1(-)

IN1

IN2

+

-

+

-

IN2(+)

IN2(-)

-S VERSION

-S1/-S1A/-S1B VERSION

IN1

IN1A(+)

IN1C(+)

IN1D(+)

IN1B(+)

IN1A(-)

IN1C(-)

IN1D(-)

IN1B(-)

IN2

IN2A(+)

IN2C(+)

IN2D(+)

IN2B(+)

IN2A(-)

IN2C(-)

IN2D(-)

IN2B(-)

+

-

+

-

-S /S1 VERSION

L1 L1, S

L2 L2, S

L3 L3, S

N N, S

PE

-S1A VERSION

L1 L1, S

L2 L2, S

L3 L3, S

N N, S

PE

-S1B VERSION

L1 L1, S

L2 L2, S

L3 L3, S

N N, S

PE

* Preliminary

3AURORA TRIO

Technical DaTa Values TRiO-20.0-Tl-OuTD-us TRiO-27.6-Tl-OuTD-us

nominal Output Power W 20000 27600Maximum Output Power W 22000** 30000**Rated Grid ac Voltage V 480 480input side (Dc)number of independent MPPT channels 2 2Maximum usable Power for each MPPT channel W 12000 16000absolute Maximum Voltage (Vmax) V 1000 1000start- up Voltage (Vstart) V 360 (adj. 250-500) 360 (adj. 250-500)Full Power MPPT Voltage Range V 450-800 520-800Operating MPPT Voltage Range V 0.7 x Vstart-950 0.7 x Vstart-950Maximum usable current (idcmax) for both MPPT in Parallel A 50.0 61.8

Maximum usable current per MPPT channel A 25.0 30.9Maximum short circuit current limit per MPPT channel A 30.0 36.0number of Wire landing Terminals per MPPT channel -S version: 1; -S1, -S1A, -S1B version: 4 -S version: 1; -S1, -S1A, -S1B version: 4

array Wiring Termination Type -S version: Terminal Block, Pressure Clamp, Copper 14AWG-4AWG -S1, -S1A, -S1B version: Touch-safe fuse holder, Screw Terminal, Copper or Aluminum 18AWG-4AWG

Output side (ac)Grid connection Type 3Ø/3W or 4W+Ground 3Ø/3W or 4W+Groundadjustable Voltage Range (Vmin-Vmax) V 240-538 240-538Grid Frequency Hz 60 60adjustable Grid Frequency Range Hz 57-63 57-63Maximum current (iac max)/phase ARMS 27.0 36.0Power Factor > 0.995 (adj. ± 0.8, or ± 0.9 for active power >20kW) > 0.995 (adj. ± 0.8, or ± 0.9 for active power >27.6kW) Total harmonic Distortion at Rated Power % <3 <3

Grid Wiring Termination Type Pass-through Terminal. Tension clamp. Copper 14AWG-4AWG

Pass-through Terminal. Tension clamp. Copper 14AWG-4AWG

contributory Fault current ARMS 35.0 46.0Protection DevicesinputReverse Polarity Protection Yes YesOver-Voltage Protection Type For each MPPT -S version: Varistor; -S1, -S1A, -S1B version: Plug-in Class II Modular Surge ArrestorPV array Ground Fault Detection Meets UL1741/NEC 690.5 requirements Meets UL1741/NEC 690.5 requirementsOutputanti-islanding Protection Meets UL1741/IEEE1547 requirements Meets UL1741/IEEE1547 requirementsOver-Voltage Protection Type -S, -S1, S1B version: Varistor; -S1A version: Plug-in Class II Modular Surge ArrestorefficiencyMaximum efficiency % 98.2* 98.2*cec efficiency % 97.5* 97.5*Operating ParametersFeed-in Power Threshold WRMS 40 40stand-by consumption WRMS <8 <8communicationuser-interface (Display) 5.5” x 1.25” Graphic Display 5.5” x 1.25” Graphic Display

standard integrated Monitoring cards (1) RS485 Connection, Can be configured for Aurora Protocol or Modbus RTU. Support for optional monitoring expansion cards.

Optional Remote Monitoring Devices AURORA-UNIVERSAL (opt.) AURORA-UNIVERSAL (opt.)Optional Wired local Monitoring Devices PVI-USB-RS485_232 (opt.) PVI-USB-RS485_232 (opt.)environmentalambient air Operating Temperature Range F(°C) -22 to +140 (-30 to +60) Derating above +113 (45)ambient air storage Temperature Range F(°C) -40 to 176 (-40 to +80) -40 to 176 (-40 to +80)Relative humidity %RH 0-100 condensing 0-100 condensingacoustic noise emission level db (A) @1m <50 <50Maximum Operating altitude without Derating ft(m) 6560 (2000) 6560 (2000) Mechanical specificationsenclosure rating NEMA 4X NEMA 4Xcooling Natural Convection Natural ConvectionDimensions (h x W x D) in/mm 41.7 x 27.6 x 11.5/ 1061 x 702 x 292 41.7 x 27.6 x 11.5/ 1061 x 702 x 292unit Weight lbs(kg) 155 (70) 165 (75)shipping Weight lbs(kg) With Pallet: 238(108) With Pallet: 260(118)conduit connections Bottom: (2) 1”plugged openings with 1 1/2” EKO, (2) ½” plugged openings, (1) 1” plugged opening Mounting system Wall Brackett Wall Brackett

Optional string combiner Fuse size/Type A/V mm

15/100010x38

15/100010x38

Dc switch current Rating (Per contact) A 36 36Optional ac Fused Disconnect current Rating (Per contact) A 45 60safetyisolation level Transformerless Transformerless

safety and eMc standard UL 1741, IEEE 1547, CSA C22.2 107.1-01-2001,California ISO Interim Interconnection Requirements for Large Generator Facilities Review Initiative Draft Final Proposal 2010-04-20, FCC Part 15 (Class A & B)

safety approval cCSAus cCSAusWarrantystandard Warranty Years 10 10extended Warranty Years 15 & 20 15 & 20available Modelsstandard with Dc switch TRIO-20.0-TL-OUTD-S-US-480 TRIO-27.6-TL-OUTD-S-US-480With Dc switch, Dc Fuses and Dc surge Protection TRIO-20.0-TL-OUTD-S1-US-480 TRIO-27.6-TL-OUTD-S1-US-480With Dc switch, Dc Fuses, Dc surge Protection and ac surge Protection TRIO-20.0-TL-OUTD-S1A-US-480 TRIO-27.6-TL-OUTD-S1A-US-480

With Dc switch, Dc Fuses, Dc surge Protection and ac Fused Disconnect TRIO-20.0-TL-OUTD-S1B-US-480 TRIO-27.6-TL-OUTD-S1B-US-480

*Preliminary. All data is subject to change without notice**Capability enabled within maximum input power, maximum output current, and ambient opperating temperature limits.

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4 AURORA TRIO