400-800-6892
CN
CN
400-800-6892
The programmable DC energy-saving feedback load EL91000 series is a specialized equipment for aging testing of AC/DC power products. This series adopts proprietary active inverter technology, which can meet the requirements of power testing experiments and also invert the electricity generated by the power supply and return it to the grid for recycling. It can also be used as a dedicated equipment for aging testing of DC charging piles, integrating two functional modules: DC charging pile simulation and energy-saving feedback load. It can be directly used for aging and functional testing of DC charging piles without the need for additional simulation devices, greatly simplifying the process flow.
This product can be widely used in new energy, power, photovoltaic, communication related enterprises, research institutes, and testing institutions, effectively helping enterprises achieve intelligent management of production lines, greatly reducing the electricity consumption in the testing process, lowering production costs, and improving aging capacity.
Reference Specifications
(1) GB/T 18487.1-2015 Electric Vehicle Conductive Charging System Part 1: General Requirements
(2) GB/T 27930-2015 Communication Protocol between Off Board Conductive Chargers and Battery Management Systems for Electric Vehicles)
(3) GB/T 34657.1-2017 Test Specification for Interoperability of Conductive Charging of Electric Vehicles Part 1: Power Supply Equipment
(4) GB/T 34658-2017 Consistency of Communication Protocol between Off board Conductive Chargers and Battery Management Systems for Electric Vehicles
(5) GB/T 20234.1-2015 Connection Devices for Conductive Charging of Electric Vehicles Part 1: General Requirements
(6) GB/T 20234.3-2015 Connection Devices for Conductive Charging of Electric Vehicles Part 3: DC Charging Interface
(7) NB/T 33001-2018 Technical Conditions for Off board Conductive Chargers for Electric Vehicles
(8) NB/T 33008.1-2018 Specification for Inspection and Testing of Electric Vehicle Charging Equipment Part 1: Off board Chargers
(9) GB/T 19826-2013 General Technical Conditions and Safety Requirements for DC Power Supply Equipment in Power Engineering
(10) IEC 61851-1:2010 Chapter 11 Conductive Charging Systems for Electric Vehicles Part 1: General Requirements
Features
• Optional DC charging BMS analog interface
• Multiple power options available, maximum power of 600kW
• Multi channel design, capable of parallel operation
• Working voltage: 60~1000V, working current: up to 1000A
• Operating modes such as constant current (CC) and constant voltage (CV)
• Efficient PWM modulation algorithm effectively reduces switching losses
• Built in isolation transformer, with a maximum conversion efficiency of 94%
• Color touch screen design, beautiful and convenient
• High precision measurement of voltage, current, and power
• Input/output overvoltage protection function
• Equipped with RS232 communication interface, LAN/CAN optional
Product Application
• This product can be widely used in new energy, power, photovoltaic, communication related enterprises, research institutes, and testing institutions, effectively helping enterprises achieve intelligent management of production lines, greatly reducing the electricity consumption in the testing process, lowering production costs, and improving aging capacity.
Test Project
Purchase Information
Technical Parameters
| Product Name | Type | Size | Update time | Download |
| Programmable DC energy-saving regenerative load-EL91000 series | 765.36 KB | 2025.09.25 |  |
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