AC Generator-Battery Hybrid Converter IP54 Protection Level On Grid Controller Rated Battery Voltage 400 Vdc Permissible Grid Voltage Range 300 460 Solar Power Controller
Product Description:
The GREEF ENERGY multi-functional converter combines several essential functions into one device. It is capable of converting AC to DC for permanent magnet (PM) generators, charging batteries efficiently, and inverting DC back to AC. Additionally, it includes a comprehensive energy management system to optimize performance.
Equipped with a configurable dual LCD touchscreen, this converter leverages advanced technology to provide stable control over voltage and frequency specifically for permanent magnet synchronous generators (PMSGs). This ensures a reliable and continuous power supply to the connected load without interruptions.
Furthermore, the converter can be easily adapted to operate in a grid-tied mode. This allows it to synchronize with the utility grid for seamless operation and enables grid charging capabilities, enhancing its versatility for different energy scenarios.
Features:
EMS Smart Energy Management System
The EMS smart energy management system offers multiple configurable operating modes, including off-grid, grid-tied, and grid charging. This flexibility ensures optimal energy management tailored to various applications and environments.
Equipped with a double LCD smart touch screen display, the system provides an intuitive and user-friendly interface for monitoring and control. Additionally, it incorporates generator power curve tracking technology to enhance performance and efficiency.
For reliable auxiliary power supply, the EMS system supports AC/DC dual backup. It also features advanced control technology specifically designed to manage unbalanced loads, ensuring stable and efficient operation.
Communication capabilities include a standard RS485 Modbus RTU protocol, facilitating seamless integration with other devices and systems. Optional functions such as PWM dump load protection guard against over voltage and over speed conditions.
Additional optional features include a water gate motor control function, WiFi/LAN remote monitoring and control app, and support for customized sensor control functions. Moreover, the system can be configured to include a Static Transfer Switch (STS) to support both Grid-Tie and Off-Grid applications.
Technical Parameters:
General Electrical Specifications
The rated power of the system is 100 kW. It operates with a rated voltage of at least 320 Vac. The optimal generator rated voltage is set at 450 Vac, allowing for an AC voltage working range between 240 Vac and 550 Vac. The maximum AC current supported by the system reaches up to 180 A.
Battery Specifications
The system utilizes a lithium-ion battery type, with a voltage range from 350 Vdc to 450 Vdc. The rated battery voltage is specified as 400 Vdc. Charging and discharging currents can go up to a maximum of 250 A, ensuring efficient energy transfer and storage management.
Output Side Parameters (Grid-Connected)
When connected to the grid, the rated charging and discharging power is 100 kW, with a maximum capability reaching 120 kW. The rated charge and discharge current is 144 A, and the system can handle a maximum charge-discharge current of 173 A.
The rated grid voltage operates at 400 V, with an allowable voltage range from 300 V to 460 V. The system supports grid frequencies of 50 Hz or 60 Hz. At rated power, the total harmonic distortion rate of the current remains below 3%. Furthermore, the power factor maintains a value greater than 0.99, with an adjustable range between -1 and 1. The system also offers an overload capacity of 1.2 times the nominal power, continuous for 1 minute.
AC Side Parameters (Off-Grid)
In off-grid applications, the rated input voltage is 400 V, with an allowable voltage deviation of ±2%. The total harmonic distortion rate for linear loads is maintained under 3%. Various protective features are incorporated, including optional over voltage and speed protection.
Additional protections consist of supported AC short-circuit protection and AC output overcurrent protection. Surge protection is provided at Level 2, ensuring system reliability and safety under transient conditions.
Applications:
The GREEF ENERGY multi-functional converter is an exceptionally versatile system designed to meet the demands of a broad spectrum of applications. It excels particularly in scenarios that require dependable and intelligent power management solutions. Its main areas of application include several key sectors:
Renewable Energy Systems: This converter is perfectly suited for integrating Permanent Magnet Synchronous Generators (PMSGs), which are commonly used in wind turbines and hydro turbines, into off-grid or hybrid power setups. It ensures the delivery of stable alternating current (AC) power to connected loads, making it ideal for renewable energy projects.
Off-Grid & Backup Power: As a central hub for power conversion and management, the device is indispensable in standalone systems such as remote sites, cabins, and telecom stations. It efficiently manages inputs from generators, controls battery charging processes, and regulates inverter output to maintain a reliable power supply.
Grid-Interactive Systems: The converter can be configured to operate in grid-tied mode, enabling it to charge batteries from the grid or, where regulations permit, to feed excess power back into the electrical grid. This flexibility makes it suitable for various grid-connected energy storage and management applications.
Industrial & Commercial Power Management: Designed to handle power supply under unbalanced load conditions, the converter supports remote monitoring through WIFI or LAN connections. It also facilitates integration with building management systems using the Modbus protocol, catering to industrial and commercial energy management needs.
Specialized Control Systems: The product offers optional advanced features tailored for specific applications. These include controlling water gate motors in micro-hydropower plants and incorporating a Static Transfer Switch (STS) to allow seamless switching between grid and off-grid power sources.
Serving as a foundational platform, the GREEF ENERGY multi-functional converter integrates power generation, storage, consumption management, and grid-tie capabilities. Its modular and highly configurable design enables deployment across a diverse range of complex environments—from residential off-grid energy storage and commercial backup power solutions to small-scale renewable energy power plants.
Customization:
Greef offers professional product customization services for the On Grid Controller, model AC PCS, designed to meet your specific requirements. As a trusted wind controller manufacturer from China, we ensure all our products are CE certified for quality and safety.
Our grid tied controller supports a wide ambient temperature range of -40 to 60℃, making it suitable for various environmental conditions. The battery voltage range is between 350 to 450 Vdc, with a rated voltage of ≥ 320 Vac and a rated grid voltage of 400 V, ensuring reliable performance in diverse applications.
The rated charge and discharge current of 144 A makes this wind controller highly efficient and capable of handling demanding energy management tasks. We provide flexible customization options with a minimum order quantity of just 1 set, and pricing is negotiable to fit your budget.
Packaging is carefully managed using foam and plywood cases to guarantee safe delivery. The standard delivery time is 25 working days, and we accept multiple payment terms including T/T, Western Union, MoneyGram, and L/C.
With our strong supply ability, Greef is committed to delivering high-quality grid tied controllers tailored to your needs, ensuring optimal integration with your wind energy systems.
Packing and Shipping:
Product Packaging: The On Grid Controller is carefully packaged to ensure maximum protection during transit. Each unit is enclosed in a custom-designed box featuring foam inserts that securely hold the controller in place, preventing any movement or damage. The packaging includes the On Grid Controller device, a user manual, necessary cables, and mounting accessories. The outer box is made from durable, eco-friendly cardboard with clear labeling and handling instructions to facilitate safe and efficient delivery.
Shipping: The On Grid Controller is shipped using reliable courier services that offer tracking and insurance options. Products are dispatched within 2 business days of order confirmation. To ensure timely and secure delivery, shipments are packaged to withstand various handling conditions and weather. Customers receive a tracking number to monitor their shipment status. International shipping options are available with appropriate customs documentation to ensure smooth clearance and delivery.
