Business Introduction New Energy Business

7.4MW Two-in-one Inverter Station

The 7.4MW two-in-one inverter station is comprised of a photovoltaic inverter, transformer, and panel that is all part of one body. This station is optimized for large-capacity photovoltaic power plants and has high reliability. Installation and maintenance are convenient because of the plug-and-play concept. The POWERMAX photovoltaic inverter is a product that attains high efficiency and price competitiveness by applying the latest electronic technologies.
  • UL or IEC compliant configuration
  • High efficiency
  • Air-cooled system
  • Plug&play
  • Night time disconnect option
  • Direct outdoor installation
  • Tricon building block design for optimized logistics
  • Fibre-optic SCADA interface
  • Digital ready
*Output of 7.4MW is under 40℃, PF=0.95 conditions.

7.4MW Two-in-one Inverter Station Data Sheet

7.4MW 2-IN-1 Inverter Station
Specifications Units LV5+-1569 Modular Solar Power Station
DC Input Data per inverter
MPPT Range1 Vdc 980 - 1300
Max Permissible DC Voltage Vdc 1500
Max Continuous DC Current (at 40℃ / 50℃) Adc 4000 / 3200
Max DC Short Circuit Interrupt Rating Adc 120002
Number of MPPT 1
Number of DC Inputs & cables Up to 24 inputs; Cables: 2 x 350 kcmil (185 mm2) or 1 x 700 kcmil (350 mm2) per DC input
Output Data - Medium Voltage
Transformer HV / LV Connection Δ (Delta) / Y (Wye)
Efficiency at 100% Load (Standard / High) % 98.8 (Standard) / 99.1 (Option)
Active AC Output Power (PF=0.92)3 (at 40℃) MVA 7.8
AC Output Voltage (+10% / -10%)4 kVac 22 / 33 / 34.5
Max AC Current (at 40℃) Aac 202 / 136 / 130
Max AC Current (at 50℃) Aac 180 / 120 / 114
Grid Frequency ±5% Hz 60
Power Factor (PF) Range 0 - 1 leading & lagging3
Current Harmonic Distortion (TDD) % <3
Medium Voltage Cable Designed for 630mm2 / 1250 MCM max
Efficiency & Auxiliary Power
System Efficiency (Max / EU / CEC)5 % 97.8 / 97.6 / 97.7
Inverter Efficiency (Max / EU / CEC)6 % 98.9 / 98.6 / 98.7
System Nighttime Aux Power7 W ≤1400
Interfaces
Plant Control Interface / PLC Modbus TCP, OPCUA, EGD
Programming / Diagnostic Interface Modbus TCP, OPCUA
Extra Analog and Digital I/O Option
Power Station Connections Internal: CAT7 <30m / External: Fiber Optic
Features and Options
Cooling Air Cooled
Emergency Shut Down Included
Mounting Options Piers / Pad
Array Configurations Supported Negative Pole Grounded or Floating
Ground Fault Monitoring Standard for Grounded Arrays, Option for Floating Arrays
Nighttime Transformer Disconnect Option
Nighttime VAR Function Option
Insulation Monitoring Option
Power Disconnect AC Side Motorized AC Circuit Breaker
Switch-Disconnect DC Side Motorized DC Switch
Overvoltage Protection, DC and AC Included – IEC 61643-1 Class II / UL 1449
Oil Containment Option
Aux Power for Tracker / Customer Loads Option (up to 2 x 45 kVA)
Door Interlocking System Option
Weather Station Option
Noise (at 1m / 10m)8 dBA ≤85 / ≤75
Combined Weight kg / lbs approx. 30000 / 66138
Dimensions (L x W x H) m / ft approx. 12 x 2.4 x 2.9 / 36 x 8.0 x 9.5
Protection Rating and Ambient Conditions
Operating Temperature Range ℃ / ℉ Standard -10 to +55 / +14 to +131, Option -25 to +55 / -13 to +131
Storage Temperature Range ℃ / ℉ -40 to +65 / -40 to +149
Cold Weather Option9 ℃ / ℉ Down to -35 / -31
Humidity % 5-100 (rated for outdoor installation)
Maximum Altitude without Derating10 m / ft 1000 / 3281
Seismic Zone 2B ASCE 7 / IBC
Maximum Wind Speed11 kph / mph 250 / 155
Snow Load ASCE 7
NEMA Rating / IP Class NEMA3 / IP54 (Inverter)
Standards
Electromagnetic Compatibility (EMC) EN 61000-6-2, 62920 / CISPR 11
Certifications IEC, CE, UL 1741 SA
  1. At nominal AC voltage. Additional active power limitations in case of line overvoltage apply (reactive power injection to control AC voltage).
  2. Up to 5 times per lifetime
  3. Active power is valid for the cited PF range up to 40°C and grid voltage ≥ nominal voltage
  4. Derating will apply according to PQ curves
  5. Preliminary, includes auxiliary power losses
  6. Preliminary, excludes auxiliary power losses
  7. No heating, no cooling, without environmental controls enabled, DC link de-energized and without transformer no load losses
  8. At 10m in front of enclosure and 1m up from the ground
  9. Cold weather option on request
  10. Higher altitudes (with derating) on request
  11. Maximum wind speed without derating 81 kph / 50 mph

Power/ Temperature Derating Curve12 & Sample PQ Diagram

Energy Solution New and Renewable Energy and ESS Solution

Two-in-one Inverter Station / All-in-one PCS Station - Inverter Station / PCS Station – 3.7MW Inverter, 2.5MW ESS PCS
New and Renewable Energy
Two in One Inverter Station
7.4 MW Inverter (3.7MW Inverter, 2 ea.), Transformer, Panel all in one body
Two in One Inverter Station
Inverter (3.7MW), Transformer, Panel 20ft container
Two in One Inverter Station
Photovoltaic Inverter (3.7MW), Outdoors IP54
ESS
All in One PCS Station
Combination of PCS station (2.5MW) and battery system (4MWh)
PCS Station
PCS (2.5MW), Transformer, Panel 20ft container
PCS
ESS PCS (2.5MW), Outdoors IP54
O&M
Monitoring & EMS
Engineering