Product Description:
The GREEF ENERGY multi-functional converter combines several critical functions into one compact device. It offers AC-to-DC rectification specifically designed for permanent magnet (PM) generators, along with battery charging capabilities. Additionally, it supports DC-to-AC inversion, making it a versatile solution for various power conversion needs.
Equipped with a configurable dual LCD touchscreen, this converter provides an intuitive user interface for easy monitoring and control. It leverages advanced converter technology to deliver stable voltage and frequency regulation for permanent magnet synchronous generators (PMSGs). This ensures a reliable and continuous power supply to connected loads without interruption.
Moreover, the device can be programmed to operate in a grid-tied mode, enabling seamless integration with the electrical grid. This mode allows for both normal grid operation and battery charging from the grid, enhancing flexibility and energy management options.
Features:
EMS Smart Energy Management System
The EMS smart energy management system offers versatile and efficient solutions for managing power in various setups. It supports multiple configurable operating modes, including off-grid, grid-tied, and grid charging, allowing flexibility to meet different energy requirements.
Equipped with a double LCD smart touch screen display, the system provides an intuitive interface for monitoring and controlling energy usage. Advanced technologies such as generator power curve tracking ensure optimal performance and efficiency.
The system features AC/DC dual backup for auxiliary power supply, ensuring continuous operation even during power interruptions. It also incorporates control technology designed specifically to handle unbalanced loads effectively.
Standard communication is supported through the RS 485 Modbus RTU protocol, enabling seamless integration with other devices and systems. Additionally, optional features include PWM dump load protection against over voltage and over speed, as well as water gate motor control functionality.
For enhanced convenience, the system offers optional WiFi and LAN remote monitoring and control via dedicated applications. Users can also benefit from customized sensor control functions and the ability to add a Static Transfer Switch (STS) for both grid-tie and off-grid applications, providing further adaptability and reliability.
Technical Parameters:
| Model | Mars-100kt |
| Rated power(kW) | 100 |
| Rated voltage(Vac) | ≥ 320 |
| Optimal generator rated voltage(Vac) | 450 |
| AC votlage working range(Vac) | 240 ~ 550 |
| Maximum AC current(A) | 180 |
| Battery type | Lithium-ion |
| Battery voltage range(Vdc) | 350 - 450 |
| Rated battery voltage(Vdc) | 400 |
| Max charging&discharging Current(A) | 250 |
| Rated charging/discharging power(kw) | 100 |
| Rated charge and discharge current(A) | 144 |
| Rated grid voltage(V) | 400 |
| Permissible grid voltage range(v) | 300 - 460 |
| Rated grid frequency(Hz) | 50 / 60 |
| Maximum efficiency(%) | 95 |
General Specifications
The rated power of the system is 100 kW, while the rated voltage is at least 320 Vac. The optimal rated voltage for the generator is specified as 450 Vac, allowing for efficient energy generation. The operational AC voltage range spans from 240 Vac to 550 Vac to accommodate various supply conditions. The maximum allowable AC current reaches up to 180 A.
Battery Characteristics
This system utilizes a lithium-ion battery type, with a voltage range between 350 Vdc and 450 Vdc. The rated battery voltage is fixed at 400 Vdc. It supports a maximum charging and discharging current of 250 A, ensuring rapid energy flow during both charge and discharge cycles.
Output Side Parameters (Grid-Connected)
For grid-connected operation, the rated charging and discharging power is set at 100 kW, with a maximum capacity reaching 120 kW. The rated current for charging and discharging is 144 A, while the maximum can go up to 173 A. The rated grid voltage is maintained at 400 V, with a permissible variation range from 300 V to 460 V. The system supports grid frequencies of 50 Hz and 60 Hz.
Regarding power quality, the current total harmonic distortion at rated power remains below 3%, and the power factor exceeds 0.99, with an adjustable range from -1 to 1. The system also features an overload capacity of 1.2 times the nominal power (Pn) sustained continuously for 1 minute.
AC Side Parameters (Off-Grid)
When operating off-grid, the rated input voltage stands at 400 V, with a voltage deviation tolerance of ±2%. The total harmonic distortion rate for linear loads is kept under 3%. Various protection mechanisms are incorporated, including optional over-voltage and speed protection, supported AC short-circuit protection, and AC output overcurrent protection. Surge protection is implemented at Level 2, enhancing system resilience.
Applications:
The GREEF ENERGY multi-functional converter is a versatile and highly adaptable system designed to meet the demands of various applications, especially where reliable and intelligent power management is essential. Its flexibility makes it suitable for numerous scenarios, ensuring stable and efficient power conversion and control.
One of its primary uses is in Renewable Energy Systems . The converter is perfectly suited for integrating Permanent Magnet Synchronous Generators (PMSGs), commonly found in wind turbines and hydro turbines, into off-grid or hybrid power setups. This integration guarantees a consistent and stable AC power supply for connected loads.
In addition, the device plays a crucial role in Off-Grid and Backup Power solutions. It acts as the central unit managing power conversion and system control for standalone installations such as remote locations, cabins, or telecommunication stations. The converter efficiently handles generator inputs, battery charging processes, and inverter outputs to ensure uninterrupted power availability.
The GREEF ENERGY converter also supports Grid-Interactive Systems . It can be configured for grid-tied operations, enabling battery charging via the grid and, where local regulations and settings permit, the export of surplus power back to the utility grid. This feature enhances system flexibility and energy management efficiency.
For Industrial and Commercial Power Management , the unit is highly suitable for environments requiring a stable power supply under unbalanced load conditions. It offers advanced options like remote monitoring through WIFI or LAN and seamless integration with building management systems using the Modbus protocol, facilitating centralized control and diagnostics.
Furthermore, the converter includes Specialized Control System options tailored to particular needs. Examples include the control of water gate motors in micro-hydropower plants and the integration of a Static Transfer Switch (STS) that enables smooth transitions between grid-connected and off-grid modes without power interruptions.
Overall, this product serves as a fundamental platform that brings together power generation, energy storage, consumption management, and grid-tie functionalities. Its modular design and configurable features provide the flexibility required for deployment across a wide range of complex and diverse applications, from residential off-grid energy storage solutions and commercial backup power systems to small-scale renewable energy plants.
Customization:
Greef offers customized On Grid Controller solutions with model number AC PCS, designed and manufactured in China. Our wind generator controller is certified with CE, ensuring high-quality standards and reliable performance. We provide a minimum order quantity of 1 set with negotiable pricing to meet your specific project needs.
Our On Grid Controller supports multiple communication modes including Ethernet, RS485, and WIFI, enabling efficient monitoring of wind turbine speed and wind speed for optimal energy management. The controller features a maximum efficiency of 95%, rated grid voltage of 400V, and a battery voltage range of 350 - 450 Vdc.
The advanced topology combines AC-DC Rectifier, DC-DC Buck Boost, and DC-AC Inverter with EMS, making it a versatile and robust solution for renewable energy systems. Packaging is done securely using foam and plywood cases to ensure safe delivery within 25 working days.
Payment terms are flexible, accepting T/T, Western Union, MoneyGram, and L/C. Greef’s supply ability guarantees consistent availability of our on grid controller products to support your business needs. Choose Greef for a reliable wind generator controller that enhances monitoring and control of your wind energy system.
Packing and Shipping:
Product Packaging: The On Grid Controller is securely packaged in a sturdy, eco-friendly cardboard box designed to protect the device during transit. Inside the box, the controller is cushioned with foam inserts to prevent any damage from shocks or vibrations. The package includes the On Grid Controller unit, a user manual, mounting accessories, and necessary connection cables. All components are neatly organized to ensure easy access and setup upon delivery.
Shipping: The On Grid Controller is shipped using reliable courier services with tracking options available for all orders. We offer standard and expedited shipping methods to accommodate your needs. Each package is carefully labeled with handling instructions to ensure safe delivery. Shipping times vary based on the destination but typically range from 3 to 7 business days for domestic deliveries. International shipping is also available, with delivery times depending on the destination country.
