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IT-M3900B Regenerative Power System
IT-M3900B regenerative power system feature two-in-one, which could use as a bidirectional DC power supply, also act as an independent regenerative load. One-button-switch between source and load mode, a unique and decisive feature for the user groups that works in different applications such as battery, PV energy storage, electric vehicle, Green energy and some ATE fields.
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Model
Voltage
Current
Power
Resolution
Accuracy
Interface
Size
IT-M3901B-10-170
10V
-120~170A
-1200~1700W
0.001V/0.01A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3903B-10-340
10V
-240~340A
-2400~3400W
0.001V/0.01A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3905B-10-510
10V
-360~510A
-3600~5100W
0.001V/0.1A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3910B-10-1020
10V
-720~1020A
-7200~10200W
0.001V/0.1A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
2 U
inquiry
IT-M3902B-32-80
32V
±80A
±2kW
0.001V/0.01A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3904B-32-160
32V
±160A
±4kW
0.001V/0.01A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3906B-32-240
32V
±240A
±6kW
0.001V/0.01A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3912B-32-480
32V
±480A
±12kW
0.001V/0.01A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
2 U
inquiry
IT-M3902B-80-40
80V
±40A
±2kW
0.001V/0.01A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3904B-80-80
80V
±80A
±4kW
0.001V/0.01A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3906B-80-120
80V
±120A
±6kW
0.001V/0.01A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3912B-80-240
80V
±240A
±12kW
0.001V/0.01A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
2 U
inquiry
IT-M3902B-300-20
300V
±20A
±2kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3904B-300-40
300V
±40A
±4kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3906B-300-60
300V
±60A
±6kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3912B-300-120
300V
±120A
±12kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
2 U
inquiry
IT-M3902B-500-12
500V
±12A
±2kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3904B-500-24
500V
±24A
±4kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3906B-500-36
500V
±36A
±6kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3912B-500-72
500V
±72A
±12kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
2 U
inquiry
IT-M3902B-800-8
800V
±8A
±2kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3904B-800-16
800V
±16A
±4kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3906B-800-24
800V
±24A
±6kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
IT-M3912B-800-48
800V
±48A
±12kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
2 U
inquiry
IT-M3906B-1500-12
1500V
±12A
±6kW
0.01V/0.001A
≤0.03% + 0.03%FS / ≤0.1% + 0.1%FS
Built-in LAN/USB/RS232/GPIB/CAN/External analog control interface
1 U
inquiry
Show all
* The above specifications are subject to change without prior notice.
Product Features
 2 in 1 unit - a bidirectional power supply and a regenerative load 
 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 parallel 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

Functions and Advantages

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.



Options & Accessories
  • AC power cord (accessory)
    AC power cord (accessory)
  • USB straight wire (accessory)
    Used for USB port communicatio...
  • IT-E177 (accessory)
    RS232/Analog communication car...
  • IT-E176 (Optional)
    GPIB communication card
  • FCS3000 (Optional)
    Single channel fuel cell simul...
  • SAS1000 (Optional)
    Solar array simulation softwar...
  • BSS2000 (Optional)
    Battery simulation software ba...
  • IT-E168/169 (Optional)
    Parallel fiber Suite Single ma...
  • IT cabinet (Optional)
    IT cabinet 15U/27U/37U
  • IT-E165B (Optional)
    Anti-counter electromotive for...
  • IT-E165A-250/400/500 (Optional...
    Anti-reverse connection module...
  • AC power cord(Optional)
    AC power cord, 5m
  • IT-E30110-AB (Optional)
    10A/1m/crocodile clip - Banana...
  • IT-E30110-BB (Optional)
    10A/1m/ banana plug - Banana p...
  • IT-E30110-BY (Optional)
    10A/1m/ banana plug -Y termina...
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