Basic Info.
Model NO.
JYT-LF-312-20
Origin
China
Production Capacity
500000 Set Per Day
Product Description
JYT-LF series 6.6KW OBC is for lithium pure electric A0, A00 class passenger vehicles, logistics vehicles, special vehicles, modified vehicles and other pure electric new energy vehicles developed a small volume efficient charger, using modular, standardized, universal design ideas targeted research and development.The module is designed with full digital control technology, with flexible and intelligent control, good protection characteristics and strong system robustness.Using the new generation of zero pressure zero flow soft switch technology with high performance SiC devices, the whole machine has strong stability, high conversion efficiency, peak efficiency can reach more than 94%.
The DC output side of the charger is connected to the positive and negative electrodes of the power battery, and the AC input is connected to the charging outlet of the car body, and the city power is connected to the city for the charger, realizing the power supplement function of the battery pack.The connection of the charger to the battery is shown in the figure below.
1. Model definition
| model | Heat dissipation mode | Voltage platform | hardware | power |
| JYT-LF-99-80 | air cooling | 72V | 99V/80A | 6K6W |
| JYT-LF-108-60 | air cooling | 108V | 177V/60A | 6K6W |
| JYT -LF-144-40 | Air cooling | 144V | 202V/40A | 6K6W |
| JYT-LF-312-18 | Air cooling | 312V | 450V/18A | 6K6W |
| JYT-LF-540-12 | air cooling | 540V | 680V/12A | 6K6W |
2. Electrical parameters
| Voltage level | 72V | 108V | 144V | 312V | 540V | |
| Output voltage range (V) | 25V-99V | 65V-132V | 100V-200V | 200V-450V | 400V-700V | |
| Output current range (A) | 0-80A | 0-60A | 0-40A | 0-18A | 0-12A | |
| Charging mode | Response mode | |||||
Input | Rated input voltage | 220VAC | ||||
| input voltage range | 90~265VAC | |||||
| Rated input voltage | 50Hz | |||||
| Input frequency range | 45~65Hz | |||||
| Inrush current | ≤32A | |||||
| Input power factor | ≥0.99(@220Vin,Pomax) | |||||
| output | output rating | 6.6KW | ||||
| Voltage regulation accuracy | ≤1% | |||||
| Voltage ripple coefficient | ≤1% | |||||
| Current regulation accuracy | ≤5% | |||||
| Output response time | ≤5S | |||||
Typical efficiency | ≥93% | |||||
Environment | Working temperature | -40~55ºC | ||||
| Storage temperature | -40~100ºC | |||||
| humidity | 5%~95% | |||||
| IP grade L evel of IP | IP67 | |||||
| Cooling function | forced air cooling | |||||
| Communication function | 1.CANbus control (It can be charged normally after receiving the charging command; the charger is in standby state without command) 2.Enable control (without CANbus communication) | |||||
| protection feature | Over voltage protection | Input overvoltage, it will shut down and can be self-recovery, output overvoltage will shut down and can be self-recovery | ||||
| Under voltage protection | Input undervoltage, it will shut down and can be self-recovery, output undervoltage will shut down and can be self-recovery | |||||
| short-circuit protection | Output short circuit ,it will be shutd own and can be self-recovery | |||||
| Over temperature protection | The output power is reduced when the radiator temperature is above 75ºC, the circuit is disconnected when the temperature is above 95ºC, and the charger resumes the output when the charging temperature returns to below 85ºC | |||||
| Reverse connect protection | The output reverse turn-on power does not start, alarm, and normal operation after recovery | |||||
| Equilibrium potential and ground protection | The resistance between the conductive part directly accessible and the potential equilibrium point is not greater than 0.1 Ω.The connection site of the vehicle charger shall have an obvious grounding mark | |||||
| power-off protection | Cut off the power supply in the abnormal state | |||||
Safety | dielectric strength | Original side-Sub-side 3750VAC Original side-Case 1500VAC | ||||
| Clearance and Creepage | Original side-secondary side: 4mm / 6mm Original side side-casing 2mm / 3mm | |||||
| Insulation performance | 20MΩ | |||||
| harmonic current | Compliance with 6.7.3.1 in GB17625.1-2003 | |||||
| reliability | Vibration resistance | After scanning vibration test of X, Y and Z, there is no damage and loose fasteners | ||||
| impact resistance performance | Pls refer to the requirements of 6.5 in GB / T15139-1994 | |||||
| Industrial solvent resistance | Metal parts have a good corrosion protection layer | |||||
| Salt fog resistance | Pls refer to GB / T 2423.17 | |||||
| Durability | At no less than GB / T 24347-2009 related regulations | |||||
| Electromagnetic interference resistance | Compliance with 11.3.1 in GB / T 18487.3 | |||||
| Electromagnetic abusive | Compliance with 11.3.2 in GB / T 18487.3 | |||||
| other | Net weight | 9.2Kg | ||||
Weight of charger plus packing box | 10Kg | |||||
| carton size Size of outer case | 42*41*18CM | |||||
| Voltage Level | brand | Pin foot | Terminal definition | model | picture |
| 220VAC | Vearne | 1 | N | WNHVAM-2-P3R-B | |
| 2 | PE | ||||
| 3 | L | ||||
| A,B | High-voltage interlock HVIL |
