Qingdao Greef New Energy Equipment Co., Ltd
                                                                                                           
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12 Years
Since 2014
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On Grid Controller with 300 to 460 Volts Permissible Grid Voltage Range, 144 Amp Rated Charge Discharge Current, and WIFI Communication Mode for Solar Power Control

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description
Product Overview
The GREEF ENERGY multi-functional converter integrates multiple essential power management functions into a single, efficient system. Designed for industrial and renewable energy applications, this controller features a permissible grid voltage range of 300-460 volts, WIFI communication capabilities, and a 144 amp rated charge/discharge current for optimal solar power control.
Key Features
EMS Smart Energy Management System
Advanced energy management with configurable operating modes including off-grid, grid-tied, and grid charging options for versatile system integration.
  • Double LCD smart touch screen display for intuitive control and monitoring
  • Generator power curve tracking technology for optimized energy production
  • AC/DC dual backup for auxiliary power supply reliability
  • Unbalanced load control technology for stable operation
  • RS-485 Modbus RTU protocol for system integration
  • Optional PWM dump load for over-voltage and over-speed protection
  • Optional water gate motor control and WIFI/LAN remote monitoring
  • Customized sensor control support and Static Transfer Switch (STS) capability
Technical Specifications
Model Mars-100kt
Rated Power 100 kW
Rated Voltage ≥ 320 Vac
Optimal Generator Voltage 450 Vac
AC Voltage Working Range 240 - 550 Vac
Maximum AC Current 180 A
Battery Type Lithium-ion
Battery Voltage Range 350 - 450 Vdc
Rated Battery Voltage 400 Vdc
Max Charging/Discharging Current 250 A
Rated Charge/Discharge Current 144 A
Permissible Grid Voltage Range 300 - 460 V
Maximum Efficiency 95%
Electrical Performance
Total harmonic distortion below 3% at rated power, power factor exceeding 0.99, and 1.2x overload capacity sustainable for one minute.
Protection Features
  • Over voltage and speed protection (optional)
  • AC short-circuit protection
  • AC output overcurrent protection
  • Level 2 surge protection
Applications
This versatile converter serves multiple industrial and energy management applications:
  • Renewable Energy Systems: Integration with PMSG wind and hydro turbines
  • Off-Grid and Backup Power: Remote locations, cabins, telecom stations
  • Grid-Interactive Systems: Grid-tied operation with potential for feed-in
  • Industrial Power Management: Stable power for unbalanced loads with remote monitoring
  • Specialized Control: Water gate motor control and Static Transfer Switch applications
Customization & Ordering
CE-certified GREEF On Grid Controller (AC PCS) with touch screen display and remote control system. Features PWM unloading plus three-phase unloading system with lithium-ion battery support.
  • Minimum Order Quantity: 1 set
  • Delivery Time: 25 working days
  • Payment Methods: T/T, Western Union, MoneyGram, L/C
Packaging & Shipping
Securely packaged in eco-friendly cardboard with custom foam inserts. Includes user manual, installation accessories, and warranty card. Worldwide shipping with tracking and insurance options available. Processing time: 2-5 business days.

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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