New energy vehicle shipments are growing rapidly every year, driving a rising social demand for charging piles. Consequently, there is an increasing need for factory testing of products such as home charging piles and commercial charging stations. Sunwin Technologies' charging pile test system fully complies with national standard test requirements and provides customers with a complete set of test solutions!

Sunwin Technologies is an advanced domestic high-tech enterprise integrating the R&D, production and sales of power supply testing equipment. It professionally provides customers with various power supply test solutions, including:

• New Energy Power System Test Solutions
• Aerospace Power System Test Solutions
• Data Center Power System Test Solutions
• Generator UPS Backup Power Test Solutions
• Marine Power Test Solutions
• Laboratory Construction and System Integration      Solutions

The SN800 series automatic test system for charging piles is specially developed for electric vehicle charging piles (on-board chargers). It is an efficient, comprehensive and automatic test system that meets the testing requirements of various specifications of AC and DC charging piles. The system adopts an open hardware and software architecture. Sunwin Technologies has independently developed a series of measurement and testing instruments, including high-performance AC/DC test power supplies, AC/DC electronic loads, power analyzers, timing and ripple analyzers, BMS communication simulation units, switching control units, and safety comprehensive testers. These instruments meet the basic and other personalized needs of various customers for R&D precision testing, high-speed production testing, quality sampling testing, etc., providing the best test solutions.

Test Items

General Inspection

• Visual Inspection
• Marking Inspection
• Basic Structure Inspection
• Functional Requirement Test

Lightning Protection Test

• Maximum Allowable Total Charging Voltage Mismatch      Test for the Vehicle
• Charging Requirement vs. Battery Parameter Mismatch      Test

Safety Requirement Test

• Short-Circuit Protection Capacity Check
• Electric Shock Protection Test
• Electrical Clearance and Creepage Distance Test
• Grounding Requirement Test
• Electrical Insulation Performance Test
• Insulation Resistance Test
• Power Frequency Withstand Voltage Test
• Impulse Withstand Voltage Test

Charging Control and Function Test

• Charging Control Function Check
• Communication Function Test
• Insulation Detection Function Test
• DC Output Loop Short-Circuit Detection Function      Test
• Vehicle Plug Locking Function Test
• Pre-Charging Function Test
• Display Function Test
• Manual Debugging Function
• Dynamic Power Distribution Function Test
• Metering Function Test
• Emergency Stop Function
• Protection Function Test
• Input Overvoltage Protection Test
• Input Undervoltage Protection Test
• Output Overvoltage Protection Test
• Output Overcurrent Protection Test
• Residual Current Protection Device Check
• Door Opening Protection Test
• Input Inrush Current Test
• Output Inrush Current Test
• Battery Reverse Connection Test
• Battery Voltage vs. Communication Message      Mismatch Test
• Battery Voltage Exceeding Charger Range Test
• Anti-Reverse Current Function Test
• Contactor Adhesion Test
• Communication Interruption Test

Charging Output Performance Test

• Maximum Constant Power Output Test for Charging      Output
• Power Control Test
• Low-Voltage Auxiliary Power Supply Test
• Current Regulation Accuracy Test
• Voltage Regulation Accuracy Test
• Voltage Ripple Factor Test
• Current Ripple Factor Test
• Output Current Error Test
• Output Voltage Error Test
• Voltage Limiting Characteristic Test
• Current Limiting Characteristic Test
• Output Current Response Time Test
• Output Current Decay Rate Test
• Start-Up Output Inrush Test
• Sleep Power Consumption Test
• Output Voltage and Current Measurement Error Test
• Efficiency and Power Factor Test
• Charging Mode and Connection Method Check
• Control Pilot Circuit and Charging Control Timing      Test