◆ High frequency isolation mode is adopted, and the whole system is isolated from the power grid to ensure the safety and stability of the system operation;
◆ The bidirectional ACDC module adopts space vector modulation technology and digital control, which makes the voltage utilization rate high and the current harmonic shunt smaller;
◆ Dual-channel internal conversion of charge and discharge energy can be realized;
◆ DCDC module adopts advanced PID adjustment technology and multiple protection mechanism to ensure the stability of equipment operation;
◆ Energy feedback (DC bus efficiency is greater than or equal to 95%): energy feedback type, the battery discharge energy can be fed back to the grid;
◆ Seamless switching of constant current and constant voltage mode, without any voltage and current shock. It can effectively prevent the battery from heat concentration caused by peak current to cause the loss of powder on the electrode;
◆ Voltage and current are sampled in four-wire mode, with high voltage sampling accuracy and good long-term stability;
◆ Single channel has independent operation capability and supports multi-channel parallel output;
◆ Support for battery bar code input, historical test data can be traced.
| model | DL-100V30A |
| Number of channels per cabinet | 24 |
| Maximum power of single cabinet | 72KW |
| system function | 1. Battery cycle life test 2. Battery capacity test 3. Battery charge/discharge characteristics test 4. Battery charge holding capacity test 5. Battery charge/discharge efficiency test 6. Battery overcharge/overdischarge rate tolerance test |
| Communication input interface |
Enter three-phase five-wire AC380V Input current: 110A, recommended 125A-3P circuit breaker 3. Frequency 50Hz 4. THD≦3% 5. Power factor> 0.99 (rated power) 6. Charging efficiency 89% (whole machine) 7. Bus feedback efficiency 93% |
| voltage accuracy | ±0.1% of F.S±0.1% of F.D |
| Current accuracy | ±0.1% of F.S±0.1% of F.D |
| Power accuracy | ±0.1% of F.S±0.1% of F.D |
| Current response time | Current hardware response time: ≤20ms |
| Time set range | 1000 minutes/work step |
| Voltage current detection | Four-wire connection |
| Frequency of data records | ≥100ms |
| Output DC voltage resolution | 1mV |
| Minimum output current | 100mA |
| Minimum discharge voltage | 8V(device port voltage) |
| Output DC current resolution | 1mA |
| Data export mode | The data can be converted into EXCEL and chart files, which can provide charge-discharge curves, capacity decay rate, cycle life curve, Data analysis curves and data lists of charge/discharge voltage, current, capacity-time and other methods |
| data save mode | Users can customize the name and data save path, data is saved in the form of a file |
| Main channel working mode | Charging: constant current charging CC, constant voltage charging CV, constant current and constant voltage charging CCVC |
| Discharge: CD constant current discharge, CVD constant current and voltage discharge | |
| communication mode | LAN(TCP/IP) |
| Test data records | Voltage, current, time, capacity, quantity |
| Input protection | Overvoltage, overcurrent, phase loss, overtemperature, protection alarm, island effect protection; |
| Output protection | Overvoltage, overcurrent, short circuit, reverse connection, capacity, temperature, no output when the battery voltage is not detected; |
| software protection | Power failure data protection, call continuation, overvoltage and overdischarge protection, overcurrent and undercurrent protection, capacity protection, overtemperature protection, voltage trend abnormal protection, Abnormal protection of current trend, abnormal protection of current fluctuation, abnormal protection of voltage fluctuation, abnormal protection of charging voltage rise speed, abnormal protection of discharge current drop speed; |
| cycle index | Up to 10,000 times |
| cooling-down method | air blast cooling |
| Size (W*D*H) | 600*600*1600mm |
| ambient temperature | -20℃~50℃ |
| humidity | 10-90%RH |