This series of recharger is mainly charged by 24v-200v power lithium battery, lead-acid battery and ultracapacitor. Its single power is from 600W to 4KW, and the single current is up to 100A and up to several hundred KW. It is widely used in electric vehicles, electric taxis, electric buses, electric police cars, electric forklifts, electric golf carts, electric tour buses, electric cruise ships, electric cleaning machines, electric road sweepers, UPS unintermittent power supply, solar power generation, wind power generation, power communication railway system and other systems of cyclic charging.
1. Main features
1. Fully separate the input and output of the charger
2. High power density, save user space and reduce system cost
3.DSP intelligent digital control technology, digital precise control, higher stability and reliability
4. High stable voltage, stable flow accuracy, safe and reliable performance
5. Input over-voltage/under-voltage protection, output over-current/short-circuit protection, built-in diode failure isolation, overheating protection and other functions
6. Intelligent control of charging module, providing data communication interface
7. The voltage resistance level, insulation level, EMC and other indicators meet the relevant technical standards for ev chargers in China
8. Support hot plug and easy maintenance
9. Industry-leading active power factor correction technology, input power factor up to 0.99, total harmonic content ≤5%
10. Wide voltage output range
11. Constant power charging mode, ultra-wide and constant power range, higher charging speed
12. Built-in discharge circuit, perfect for the new national standard
2. Specifications and models
Model | Minimum output voltage | Maximum output voltage | Maximum output current | Effective rate |
KM4820NLE | 36V | 85V | 15A | ≥92% |
KM3630NLE | 36V | 85V | 30A | ≥92% |
KM2450NLE | 36V | 85V | 45A | ≥93% |
3：Technical indicators
The input features | Input voltage range | 180-240Vac |
Rated input voltage | 220V |
No-load loss | ≤5W (single machine) |
Starting surge current | ≤30A |
Input frequency | 50/60HZ |
Output characteristic | Battery voltage(Vdc) | Reference table a |
Charger output voltage（Vdc) | Reference table a |
Output voltage stabilization accuracy | ≤±0.5% |
Output steady flow accuracy | ≤±1% |
ripple | ≤1% |
efficiency | ≥94% |
pressure | Insulation resistance | >10MΩ |
Dielectric strength | 2000Vac, 1 minute (input-output) |
The work environment | Operating ambient temperature） | ≤55dB |
Operating ambient temperature | -30℃~+55℃ |
Cooling way | Natural cooling + fan |
humidity | Daily average relative humidity ≤95%, monthly average relative humidity ≤90% |
Using an altitude | ≤2000m |
Protection grade | IP65 |
Seismic grade | SAEJ1378 |
instructions | Charging indicator | Double colorLED |
Mechanical dimensions | weight（Kg） | ≤4.0kg |
L×W×H（mm） | Refer to the size282mm*130mm*100mm |
reliability | Mean time without failure | 20000H |
Communication function | Support CAN or 485 communication |
Weaver function | Support for multiple machines |
Protection function | Input over-voltage and under-voltage protection; Over-voltage, under-voltage, over-current and short-circuit protection; Overheat protection; |