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SL-DC24K850 Series Isolated DC/DC Power Module
The SL-DC24K850 series is a high-performance isolated DC/DC power module specially designed for Commercial & Industrial Energy Storage Systems (C&I ESS). Based on advanced DSP full-digital control algorithms, this product integrates industry-leading manufacturing processes and high-efficiency circuit designs. As a core power component connecting the DC bus and battery clusters, the module features bidirectional energy flow, high power density and strong environmental adaptability, which ensures the safe and stable operation of energy storage systems under various complex working conditions.
Key Features
1. SiC Technology & High-Efficiency Architecture
Adopting third-generation semiconductor silicon carbide (SiC) power devices combined with Triple Phase-Shift (TPS) soft-switching control technology, this design significantly reduces switching and conduction losses, achieving a peak conversion efficiency of up to 98% and effectively improving the whole life cycle benefits of the system.2. High-Safety Topology & Reliable Design
Utilizing a high-frequency isolated topology structure, it ensures electrical isolation between the battery side and the bus side, greatly enhancing system safety. The module supports parallel operation of multiple units and is equipped with a complete redundancy design, which guarantees high reliability performance of the system under high load conditions.3.High Power Density & Compact Size
Through optimized circuit layout and thermal design, it achieves industry-leading high power density. The compact size design facilitates the miniaturization of integrated energy storage cabinets and container systems, effectively saving installation space.4. Excellent Dynamic Response & Wide Voltage Adaptability
It features an ultra-fast dynamic response speed and can respond to power dispatching instructions in milliseconds. Supporting a wide voltage range for input and output (150Vdc~850Vdc), it perfectly adapts to various specifications of lithium battery clusters and DC bus voltage levels..
| Category | Technical Specification | Parameter |
| Model | - | SL-DC24K850 |
| DC Bus Side | Voltage Range | 560Vdc～850Vdc |
| Voltage Regulation Accuracy | ＜±0.5% (560Vdc~850Vdc) | |
| Current Range | 0A ~ 45A | |
| Battery Side | Rated Power | 24kW |
| Voltage Range | 150Vdc～850Vdc | |
| Current Range | 0～80A | |
| Voltage Regulation Accuracy | ＜±0.5% (150Vdc~850Vdc) | |
| Current Regulation Accuracy | ≤±1% (20%～100% rated range) | |
| Efficiency & Protection | Maximum Efficiency | 98% |
| Overcurrent Protection | YES | |
| Over/Under Voltage Protection | YES | |
| Overheating Protection | YES | |
| Overvoltage Category | Type Ⅱ | |
| Surge Protection Category | Type Ⅱ | |
| Basic Operating Mode | Constant Current | |
| System Parameters | Topology Structure | Isolated |
| IP Rating | IP65 | |
| Dimensions | 130mm (H) × 360mm (W) × 459mm (L) | |
| Weight | ≤20kg | |
| Operating Temperature Range | -40℃～+75℃, derating required when the temperature is above 55℃ | |
| Storage Temperature | -40℃～+70℃ | |
| Relative Humidity | <95%, non-condensing | |
| Maximum Operating Altitude | 4000m (derated operation when above 3000m) | |
| Cooling Method | Intelligent Forced Air Cooling | |
| Noise | ≤65dB | |
| Communication Method | CAN | |
| Maximum Parallel Units | 10 |
Isolated DC-DC Module
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MPPT Product Features
High Efficiency
① SiC Technology, High-Frequency & Lightweight Design
② MPPT Efficiency: 99.9%
③ Peak Efficiency: 99%, All-Day Efficiency: 98%
Modular
① 4*20kW Modular Design
③ Supports parallel connection of up to 8 units, with a maximum power output of 640kW
② PV Input: 2*4*16A or 128A (configurable based on requirements)
High Reliability
① Electrolytic Capacitor-Free Design → Extends product lifespan.
② Utilizes SiC power modules → Enhances manufacturing reliability.
③ Rated IP65 → Provides high protection against dust and water ingress.
Intelligent
① Interleaved Parallel Operation of 4 Modules: Cyclic workload distribution enhances system lifespan.
② Intelligent Power Saving Mode: Reduces standby consumption to <1W.
③ Supports OTA Updates & Multi-Module Adaptive Coordination: Enables seamless node integration and remote optimization.
④ Integrated Smart Diagnostics: Improves service efficiency through proactive fault detection and analysis.
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