Qingdao Greef New Energy Equipment Co., Ltd
                                                                                                           
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12 Years
Since 2014
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High-Efficiency On Grid Controller with Lithium-ion Battery and 5-Year Warranty for Grid Connection

Price Negotiable
Price: Negotiable
MOQ: 1Set
Delivery Time: 25 Working Days
Brand: Greef
Product Description
Generator Hybrid Converter Emergency Switch On Grid Controller
High-efficiency converter providing ≥98% efficiency and 50Hz/60Hz output frequency for grid connection applications.
GREEF ENERGY multi-functional converter unit with LCD display
Product Overview
The GREEF ENERGY multi-functional converter integrates essential power management functions into a single compact unit. It performs AC-to-DC rectification for Permanent Magnet generators, supports battery charging, and handles DC-to-AC inversion with advanced energy management optimization.
Featuring a configurable dual LCD touchscreen for easy monitoring and control, this converter utilizes cutting-edge technology to provide stable voltage and frequency regulation for Permanent Magnet Synchronous Generators (PMSGs), ensuring reliable uninterrupted power supply.
The device offers operational flexibility with configurable grid-tied mode, enabling seamless switching between grid-connected operation and grid charging functionalities for diverse energy management scenarios.
Key Features
  • EMS Smart Energy Management System with multiple configurable operating modes (off-grid, grid-tied, grid charging)
  • Double LCD smart touch screen display for intuitive monitoring and control
  • Generator power curve tracking technology for optimal performance
  • AC/DC dual backup functionalities for auxiliary power supply
  • Advanced control technology for handling unbalanced loads
  • RS-485 Modbus RTU protocol for seamless device integration
  • Optional PMW dump load protection against over voltage and over speed
  • Water gate motor control capabilities
  • Remote monitoring and control via WiFi or LAN with dedicated app
  • Customized sensor control functions
  • Static Transfer Switch (STS) support for grid-tied and off-grid applications
Technical Specifications - Mars-100kt Model
Rated Power Output 100 kW
Rated Voltage ≥320 Vac (Ideal: 450 Vac)
AC Voltage Operating Range 240 Vac to 550 Vac
Maximum AC Current 180 A
Battery Type Lithium-ion
Battery Voltage Range 350 Vdc to 450 Vdc
Rated Battery Voltage 400 Vdc
Maximum Current 250 A
Rated Charge/Discharge Current 144 A
Rated Grid Voltage 400 V
Grid Voltage Range 300 V to 460 V
Grid Frequency 50 Hz / 60 Hz
Maximum Efficiency 95%
Applications
  • Renewable Energy Systems - Integrates PMSGs from wind turbines and hydro turbines into off-grid or hybrid configurations
  • Off-Grid and Backup Power - Main conversion and control hub for remote locations, cabins, and telecom stations
  • Grid-Interactive Applications - Supports grid-tied operations with battery charging and potential energy feedback
  • Industrial and Commercial Power Management - Ensures stable power with unbalanced loads and remote monitoring capabilities
  • Specialized Control Systems - Water gate motor control and Static Transfer Switch (STS) for seamless grid transitions
This versatile platform unifies power generation, energy storage, consumption management, and grid-interfacing functions for flexible deployment across residential, commercial, and small-scale renewable energy applications.
Customization Options
Greef offers comprehensive customization for the On Grid Controller (Model: AC PCS) with minimum order quantity of 1 set. Certified with CE and manufactured in China.
Advanced grid monitoring with lithium-ion battery integration and essential protection features including overvoltage, overcurrent, short circuit, and anti-islanding protection.
Packaged in foam and plywood cases for secure shipping. Delivery within approximately 25 working days. Payment methods include T/T, Western Union, MoneyGram, and L/C.
Backed by a 5-year warranty with reliable supply capability for wind generator controllers and DC DC switching controllers.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Qingdao Greef New Energy Equipment Co., Ltd
Location 2-111, NO.6 CHANGCHENG NANROAD,CHENGYANG DISTRICT, QINGDAO, CHINA
Contact Person Christina Lei

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