Fronius Tauro (50 kW and 100 kW) Manual

Από Erik Zaikin
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Fronius Tauro Inverter Series: Technical Overview

Introduction

The three-phase Fronius Tauro inverter series, available in 50 kW and 100 kW power classes, is designed for central systems to deliver maximum performance even under the harshest conditions. These inverters feature a smart hardware design that optimizes BOS costs and provides unprecedented flexibility in system design, ensuring simple installation and fast servicing for maximum yield.

Technical Specifications

Input Data

Model MPP Trackers Max. Input Current (Idc max) Max. Input Current (Module Field) Max. Short Circuit Current (Module Field) Max. Short Circuit Current (Isc max) DC Input Voltage Range Feed-in Start Voltage Usable MPP Voltage Range Number of DC Connections (PV1 / PV2 / PV3) Max. PV Generator Power
Tauro 50-3-P 3 134 A 36 / 36 / 72 A 72 / 72 / 125 240 200 - 1,000 V 200 V 400 - 870 V 1 / 1 / 1 75 kWpeak
Tauro Eco 50-3-P 1 87.5 A 75 / 75 / - A 125 / 125 / - 178 580 - 1,000 V 650 V 580 - 930 V 1 / 1 / - 75 kWpeak
Tauro Eco 99-3-P 1 175 A 100 / 100 / - A 125 / 125 / - 250 580 - 1,000 V 650 V 580 - 930 V 1 / 1 / - 150 kWpeak
Tauro Eco 100-3-P 1 175 A 100 / 100 / - A 125 / 125 / - 250 580 - 1,000 V 650 V 580 - 930 V 1 / 1 / - 150 kWpeak

Output Data

Model AC Nominal Output (Pac,r) Max. Output Power AC Output Current (Iac nom) Grid Connection Frequency Range Power Factor (cos φac,r)
Tauro 50-3-P 50,000 W 50,000 VA 76 A 3~ NPE 400/230 V; 3~ NPE 380/220 V 50 Hz / 60 Hz (45 - 65 Hz) 0 - 1 ind. / cap.
Tauro Eco 50-3-P 50,000 W 50,000 VA 76 A 3~ NPE 400/230 V; 3~ NPE 380/220 V 50 Hz / 60 Hz (45 - 65 Hz) 0 - 1 ind. / cap.
Tauro Eco 99-3-P 99,990 W 99,990 VA 152 A 3~ NPE 400/230 V; 3~ NPE 380/220 V 50 Hz / 60 Hz (45 - 65 Hz) 0 - 1 ind. / cap.
Tauro Eco 100-3-P 100,000 W 100,000 VA 152 A 3~ NPE 400/230 V; 3~ NPE 380/220 V 50 Hz / 60 Hz (45 - 65 Hz) 0 - 1 ind. / cap.

General Data

Model Dimensions (HxWxD) Weight Degree of Protection Protection Class Night-time Consumption Cooling Technology Installation Ambient Temperature Range Certificates and Compliance
Tauro 50-3-P 755 x 1,109 x 346 mm 92 kg IP 65 1 < 16 W Active cooling technology and double wall system Indoor and outdoor -40 - +65 °C (direct sun possible) Refer to fronius.com/tauro-cert
Tauro Eco 50-3-P 755 x 1,109 x 346 mm 74 kg IP 65 1 < 16 W Active cooling technology and double wall system Indoor and outdoor -40 - +65 °C (direct sun possible) Refer to fronius.com/tauro-cert
Tauro Eco 99-3-P 755 x 1,109 x 346 mm 103 kg IP 65 1 < 16 W Active cooling technology and double wall system Indoor and outdoor -40 - +65 °C (direct sun possible) Refer to fronius.com/tauro-cert
Tauro Eco 100-3-P 755 x 1,109 x 346 mm 103 kg IP 65 1 < 16 W Active cooling technology and double wall system Indoor and outdoor -40 - +65 °C (direct sun possible) Refer to fronius.com/tauro-cert

Efficiency

Model Max. Efficiency European Efficiency (ηEU) MPP Adaptation Efficiency
Tauro 50-3-P 98.6 % 98.1 % > 99.9 %
Tauro Eco 50-3-P 98.6 % 98.1 % > 99.9 %
Tauro Eco 99-3-P 98.5 % 98.2 % > 99.9 %
Tauro Eco 100-3-P 98.5 % 98.2 % > 99.9 %

Protective Devices

Model DC Disconnector Overload Behaviour Reverse Polarity Protection RCMU DC Insulation Measurement DC/AC Surge Protection
Tauro 50-3-P Integrated Operating point shift, power limitation Integrated Yes Integrated Type 1 + 2 integrated, Type 2 optional
Tauro Eco 50-3-P Integrated Operating point shift, power limitation Integrated Yes Integrated Type 1 + 2 integrated, Type 2 optional
Tauro Eco 99-3-P Integrated Operating point shift, power limitation Integrated Yes Integrated Type 1 + 2 integrated, Type 2 optional
Tauro Eco 100-3-P Integrated Operating point shift, power limitation Integrated Yes Integrated Type 1 + 2 integrated, Type 2 optional

AC Connection Technology

Model Cable Cross Section AC Conductor Material Connection Terminals Single Core Option Multi Core Option AC Daisy Chaining Option
Tauro 50-3-P 35 - 240 mm² Al and Cu Cable lug or V clamps Cable gland: 5 x M40 Cable gland: 1 x multi core connection Ø 16 - 61.4 mm + 1 x M32 Cable gland: 10 x M32
Tauro Eco 50-3-P 35 - 240 mm² Al and Cu Cable lug or V clamps Cable gland: 5 x M40 Cable gland: 1 x multi core connection Ø 16 - 61.4 mm + 1 x M32 Cable gland: 10 x M32
Tauro Eco 99-3-P 70 - 240 mm² Al and Cu Cable lug or V clamps Cable gland: 5 x M40 Cable gland: 1 x multi core connection Ø 16 - 61.4 mm + 1 x M32 Cable gland: 10 x M32
Tauro Eco 100-3-P 70 - 240 mm² Al and Cu Cable lug or V clamps Cable gland: 5 x M40 Cable gland: 1 x multi core connection Ø 16 - 61.4 mm + 1 x M32 Cable gland: 10 x M32

Interfaces

Model Wi-Fi Ethernet USB Wired Shutdown RS485 Modbus RTU Digital Inputs/I/Os Datalogger and Webserver
Tauro 50-3-P Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON) 2x Ethernet LAN RJ45 10/100Mbit; max. 100m 1A @5V max. Emergency stop 2x RS485 Modbus RTU SunSpec Programmable interface for ripple control receiver, energy management, load control Integrated
Tauro Eco 50-3-P Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON) 2x Ethernet LAN RJ45 10/100Mbit; max. 100m 1A @5V max. Emergency stop 2x RS485 Modbus RTU SunSpec Programmable interface for ripple control receiver, energy management, load control Integrated
Tauro Eco 99-3-P Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON) 2x Ethernet LAN RJ45 10/100Mbit; max. 100m 1A @5V max. Emergency stop 2x RS485 Modbus RTU SunSpec Programmable interface for ripple control receiver, energy management, load control Integrated
Tauro Eco 100-3-P Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON) 2x Ethernet LAN RJ45 10/100Mbit; max. 100m 1A @5V max. Emergency stop 2x RS485 Modbus RTU SunSpec Programmable interface for ripple control receiver, energy management, load control Integrated

DC Connection Technology

Model Cable Cross Section DC Conductor Material Connection Terminals Cable Gland
Tauro 50-3-P 25 - 95 mm² Al and Cu Cable lug or V clamps 6 x M40
Tauro Eco 50-3-P 25 - 95 mm² Al and Cu Cable lug or V clamps 6 x M40
Tauro Eco 99-3-P 25 - 95 mm² Al and Cu Cable lug or V clamps 6 x M40
Tauro Eco 100-3-P 25 - 95 mm² Al and Cu Cable lug or V clamps 6 x M40

Efficiency and Temperature Derating Curves

  • Efficiency curves display the performance of the inverters at different voltage levels.
  • Temperature derating curves indicate the power output in relation to ambient temperature for different DC voltages.