DDS-LPS
Delta Electronics Delta Industrial Power Series DC-Link Power Supply Module (Model: DDS-LPS)
(Model Naming Interpretation:
- DDS: Core product line prefix of Delta’s industrial power solutions, standing for “Delta DC-Link Supply,” distinguishing it from standard AC-DC power supplies (e.g., Delta DRP series) and emphasizing its specialized role in intermediate DC-link circuits.
- LPS: Functional identifier for “Low-Loss Power Supply,” highlighting the module’s high energy efficiency (low power dissipation) and optimized design for long-term operation in high-load industrial environments.
- Core Positioning: The “stable energy hub for high-power drive systems,” converting AC input to regulated DC power for VFD/servo DC-link circuits, suppressing voltage fluctuations, and ensuring consistent performance of motor drives under dynamic loads.)
2. Product Description
The DDS-LPS is a dedicated DC-link power supply module developed by Delta Electronics for industrial drive systems, featuring high efficiency, wide input voltage range, industrial-grade stability, and integrated protection mechanisms as its core characteristics. It is primarily used in scenarios such as CNC machine tool servo drives, heavy-duty conveyor VFD systems, and renewable energy inverter DC-link circuits. Its core value lies in solving the challenges of DC-link voltage instability (caused by load fluctuations) and low energy efficiency in traditional power supplies—through advanced PWM (Pulse Width Modulation) technology and low-loss components, it maintains a stable DC output (even under 150% peak load) while achieving energy efficiency up to 96%, with key advantages in four areas:
2.1 High-Efficiency Power Conversion
- Advanced PWM Technology: Equipped with a 32-bit MCU-controlled PWM converter (switching frequency: 150 kHz) and SiC (Silicon Carbide) power devices, minimizing switching losses and achieving a maximum energy efficie
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