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IT-M3900B 회생 전원 시스템은 양방향 DC 전원 공급 장치로 사용할 수 있는 투인원(two-in-one) 기능과 독립적인 회생 부하 역할도 합니다. 배터리, PV 에너지 저장, 전기 자동차, 친환경 에너지 및 일부 ATE 분야와 같은 다양한 애플리케이션에서 사용자를 위한 결정적인 기능인 소스 모드와 부하 모드 간의 원버튼 스위치를 내장하여 Source Mode와 Load Mode를 버튼하나로 자유롭게 변경하여 사용 가능합니다.
♦ One button switch between source and load on front panel
♦ Compact design, 1U@6kW, 2U@12kW
♦ Voltage range: 10~1500V
♦ Current range: -720A~1020A
♦ Power range: ±12kW
♦ Bidirectional energy flow between the DUT and the grid, current seamless switching
♦ Master/slave parallel connection with patented technology - keep good performance while power extension*1
♦ Efficient power regeneration - reduce cost of electricity and cooling
♦ CC/CV priority
♦ Adjustable output impedance
♦ Battery charge and discharge test
♦ Battery simulation
♦ Partial pre-compliant with LV123, LV148, DIN40839,ISO-16750-2, SAEJ1113-11,LV124 and ISO21848 automotive testing standards
♦ Support solar panel I-V curves simulation*2
♦ Slope of voltage, current and power is settable
♦ Simulation of dynamic driving conditions, up to 10 million points
♦ 8 operation modes under Source mode：CC/CV/CW/CR/CC+CV/CV+CR/CR+CC/CC+CV+CW+CR
Multiple protection:
♦ OVP / ±OCP / ±OPP / OTP /voltage transient drop protection/anti-islanding/power grid detection/pre-charge
♦ Built-in USB/CAN/LAN/digital IO interfaces, Optional GPIB/Analog&RS232
*1. If parallel connection >6 units, pls. contact ITECH for details
*2. Not available for 10V models
One button switch, bidirectional power & Regenerative load
Different from other bidirectional power supplies, IT-M3900B series is a regenerative power system
which combines two devices into a 1U unit. It is both a bidirectional DC power supply and also a regenerative DC electronic load. You can switch between Source and Load with one button on the front panel.IT-M3900B not only saves space and equipment purchasing cost for you, but also enables you to connect DUT easily. It can switch seamlessly between source and sink mode fast and continuously, which avoids voltage or current overshoot effectively. IT-M3900B can be well applied to battery test, cell packaging equipment test, battery protection board test, etc.
Battery simulation function
IT-M3900B unique bidirectional design and variable output impedence makes it easy for the users to set voltage/capacity/internal resistance/SOC quickly to define battery matrix quickly from the front panel, to simulate the charge/discharge characteristics of battery and assist with other tests. ITECH provides optional BSS2000 battery simulation software, then users can self-define the battery curve by setting common parameters, also can set battery initial capacity to verify the DUT characteristics under different battery
status. Meanwhile, BSS2000 supports importing matlab battery matrix or CSV. file with battery charging and discharging curve, so as to simulate real battery charge and discharge characteristics.
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