EA500KTL
Power Plant inverter (Transformerless)
General Descriptions:
EA500KTL is designed without isolation transformer, it has wider input voltage range and higher efficiency. Moreover, optical fiber isolation technology has been adopted to increase its anti-interference ability. Complete protection, higher MPPT efficiency, simple monitoring and capability of parallel operation make it ideal for large scale PV power plan.
Technical Features:
Transformerless, maximum efficiency up to 98.7%
Effective IGBT module
Wide MPPT range, convenient for module configuration
With DSP+CPLD digital control technology, having complete protection, safe and reliable.
Advanced MPPT(Maximum power point tracking) algorithms
Advanced Anti-islanding technology
Efficient thermal system design, suitable for critical PV applications
Multilingual LCD, easy to operate
Integrated multi-communication interfaces, easy to monitor
Low voltage ride through function
For large centralized power plant connecting to high-voltage grid(with external step-up transformer)
Active and reactive power regulation function (optional)
Communications:
RS485/Ethernet/USB
Computer monitoring software
Safety
Perfect protection functions: over-voltage protection, short-circuit protection, islanding protection, over-heat protection, over-load protection, etc.
Standards Complied: EN61000-6-1, EN61000-6-2, EN61000-6-3, EN61000-6-4,
EN61000-3-2, EN61000-3-3,
EN60164-1-1, EN55022, EN50178, EN45011
Technical Specifications:
| Technical Data | EA500KTL |
| Input (DC) | |
| Max DC voltage | 900Vdc |
| MPPT Voltage range | 450~820Vdc |
| Max DC power | 550kWp |
| Max input current | 1200A |
| Number of MPP-Trackers | 16 |
| output (AC) | |
| Nominal AC power | 500KW |
| Nominal AC voltage | 270Vac |
| AC voltage range | 250Vac~362Vac |
| Nominal frequency | 50Hz/60Hz |
| Frequency tolerance range | 47~51.5Hz / 57~61.5Hz |
| Distortion (THD%) | <3%(at nominal power) |
| Power factor (cos phi) | 0.9(lagging)~0.99(leading) |
| System | |
| Max efficiency | 98.7% |
| Euro efficiency | 98.5% |
| Protection type | IP20(indoor) |
| Night consumption | <100W |
| Operation temperature range | -25~+55℃ |
| Cooling | Controlled forced-air cooling |
| Relative humidity | 0~95 %, no condensation |
| Max altitude | 2000m(derating above 3000m) |
| Display & communication | |
| Display | LCD |
| Standard communication interface | RS485 |
| Optional communication interface | Ethernet/USB |
| Mechanical | |
| Dimensions(W*H*D) | 2600x2120x800 |
| Packing Dimensions(W*H*D) | 2800x2200x830 |
| Net/Gross Weight | 2000kg/2100kg |
