High-voltage automotive inverter
Primarily used in new-energy vehicles, it can be widely applied to both pure electric vehicles and hybrid electric vehicles.
Category:
Power Supply Section
Keywords:
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Product Description
★Product Features
1. Utilizing innovative soft-switching control technology, the system achieves an efficiency of ≥96%.
2. Features multiple protections, including automatic frequency reduction upon overheating, overcurrent protection, and short-circuit protection;
3. Compact size, lightweight, and space-saving; non-isolated design
4. The inverter features a low-voltage interlock connection function compatible with the original vehicle.
5. Complies with the electromagnetic compatibility requirements of GB/T 18655-2010, ISO 11452-2-2004, and EN50091-2.
6. Complies with the safety standards for electric vehicles as specified in GB/T 18384-2001;
7. Primarily used in new energy vehicles, it can be widely applied to both pure electric vehicles and hybrid cars.
★Specifications and Parameters
Serial Number |
Project |
Product Model |
KQES-3K |
KQES-5K |
KQES-10K |
KQES-12K |
KQES-15K |
KQES-30K |
KQES-45K |
1 |
DC Input |
How it works |
IGBT/SPWM Pulse Width Modulation Method |
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2 |
Rated Voltage |
350VDC |
540VDC |
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3 |
Input voltage |
270-800VDC |
450-650VDC |
300-700VDC |
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4 |
Enable startup |
12/24VDC |
\ |
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5 |
Output Communication |
Output power (W) |
3000 |
5000 |
10000 |
12000 |
15000 |
30K |
45K |
6 |
Output voltage |
AC 220V ±2% |
AC 380/400/415 V (line voltage) |
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7 |
Output frequency |
50Hz ± 0.05% |
50Hz/60Hz ±0.25% |
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8 |
Voltage regulation rate |
≤ ±1% |
1% (balanced load) |
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9 |
Distortion level |
Linear load ≤3%, nonlinear load ≤5% |
±5% (unbalanced load) |
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10 |
Full-load efficiency |
≥95% |
≥96% |
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11 |
Dynamic Response |
When the load varies between 0%–100% or 100%–0%, the output voltage remains ≤2%. |
100% linear load step response: ±5.0% |
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12 |
Parallel operation |
\ |
Supports four-unit parallel operation |
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13 |
Protection feature |
Protection feature |
Protection features include overvoltage, undervoltage, overload, short circuit, and overtemperature. |
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14 |
Other information |
Complete Machine Process Handling |
\ |
Internal dispensing reinforcement and PCB conformal coating treatment |
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15 |
Cooling method |
Temperature-controlled fan for cooling |
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16 |
Operating temperature |
-40°C to +60°C |
-25 to +55°C |
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17 |
Storage temperature |
-45°C to +70°C |
-40 to +65°C |
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18 |
Dimensions (mm) |
331 x 266 x 166 |
431 x 266 x 166 |
440 x 750 x 178 (4U) |
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19 |
Weight (kg) |
12 |
15 |
19 |
21 |
25 |
48 |
18 |
|
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Our main products include charging systems, energy storage systems, and battery swapping systems. Through technological innovation, modular design, and large-scale manufacturing, we provide customers with high-quality, high-performance, and cost-effective products, and offer professional overall solutions based on various application scenarios.
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