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Neware 200V300A Electric Vehicles Battery Test System Cycle Life Tester
CT - 4000 , based on Neware 4th generation testing system , entered into market in 2008 .
CT - 4000 supports some testings as follow , EV battery pulse charge / discharge , DCIR - Direct Current Internal Resistance , cycle life and rate .
CT-4000 mainly applies for institutions , colleges and universities and EV battery manufacturers .
Technical characteristics
1 . High efficiency and energy saving
With bidirectional DC / DC and DC / AC power units , the battery discharge energy can be efficiently fed back , the input of air conditioning and exhaust system can be reduced , and the production cost can be reduced .
2 . Fast response
DC / DC adopts single CPU control , reduces data communication time and dynamic conversion time less than 10 mS , which is superior to parallel power unit system .
3 . Excellent performance
The controller is designed with high - speed and high - precision sampling control chip, optical fiber driver and self - made driver board . It has strong anti - interference ability , system conversion efficiency more than 94 percent , grid - connected harmonics less than 3 percent , power factor more than 0.99 , charging and discharging accuracy less than 0.1 percent .
4 . Patent Heat Dissipation
The EBM centrifugal fan imported from Germany , the patented scheme of upper and lower air inlet and outlet heat dissipation , the efficient design of heat dissipation duct , good heat dissipation effect and low temperature rise of the device can effectively reduce dust and sand entering the cabinet and prolong the life of the product .
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Pulse | Charge | Constant current , Constant power |
| Discharge | Constant current , Constant power | |
| Min pulse width | 100ms | |
| Pulse counts | Each pulse step supports 32 different pulses | |
| Chg and Dschg switch | Supported | |
| Cut-off condition | Voltage, Time | |
| Simulated Condition | Charge mode | Constant current , Constant power |
| Discharge modes | Constant current , Constant power | |
| Cut-off condition | Time , Line Number | |
| Continuous switching Chg and Dischg | One simulation step can realize a continuous switching from charging to discharging | |
| Limit step number | 1 million | |
| Cycle | Max cycles | 65535 |
| Max steps | 254 | |
| Cycle nest | Nested loop Function,Max Support 3 Layers | |
| Protection | Software protection | Power - off data protection |
| Off - line operation mode | ||
| User - defined protection conditions , such as upper and lower limited current / voltage , delay time , temperature , etc . | ||
| Charge and discharge efficifency | more than 90 percent | |
| Protection | Anti - surge , anti - islanding , over - under - frequency , over - under - voltage , phase - loss protection , etc . | |
| Protection grade | IP20 | |
Channel parallel | Supported , parallel channels do not support pulse and simulation testing | |
| Energy feedback | The discharge energy can be fed back to the power grid | |
| Channels feature | Constant Current Source and Constant Voltage Source with Independent pairs of Closed - loop Structure |
| Channels control mode | Independent control |
| Noise | less than 65dB |
| Database | MySQL |
| Communication | TCP / IP |
| Operating system | Windows 7 / 10 64bit |
| Data export | EXCEL , TXT |
| Min. disk drive | 500GB |
| Communication port | Ethernet port |
| Communication port | CAN communication module support the communication with BMS to obtain the single voltage and temperature in BMS |
