Description
Deye Winter MS Series: MS-MPPT400-2 High‑power modular MPPT energy storage & PV integration unit
The MS‑MPPT400‑2 is a compact, industrial-grade power conversion and MPPT unit designed for utility-scale and commercial energy‑storage + PV systems. It combines high-efficiency MPPT tracking, fast automatic switching, cloud‑enabled operation & safety-first hardware to support grid‑forming, peak shifting and off‑grid applications.
| Parameter | Value | |
|---|---|---|
| System | Dimension (W × D × H, mm) | 1000 × 1000 × 2480 |
| Weight Appr. (kg) | ≤700kg | |
| System Operating Temperature Range | -30°C ~ 50°C | |
| Max. Working Altitude (m) | ≤2000m | |
| IP Rating of Enclosure | IP54 | |
| STS Parameters | Rated Insulation Voltage (V) | DC1000 |
| Rated Working Voltage (V) | AC400 | |
| Auxiliary Equipment Operating Voltage | AC220, DC24 | |
| Frequency | 50/60Hz | |
| Rated Power of Load (kW) | 250 | |
| Rated Power of the Power Grid (kW) | 500 | |
| Rated Power of Oil Engine (kW) | 500 | |
| Switching Time | ≤15ms | |
| MPPT Parameters | Max. PV Input Power (kW) | 400(2*200) |
| Max. PV Input Voltage (V) | 1000 | |
| Start-up Voltage (V) | 200 | |
| MPPT Voltage Range (V) | 180 ~ 850 | |
| Full Load MPPT Voltage Range (V) | 450 ~ 850 | |
| Rated PV Input Voltage (V) | 600 | |
| Max. Operating PV Input Current (A) | 2*(40+40+40+40+40+40+40+40) | |
| Max. Input Short-Circuit Current (A) | 2*(60+60+60+60+60+60+60+60) | |
| No. of MPP Trackers | 16 (2*8) | |
| Max. Efficiency | >99% | |
| MPPT Efficiency | >99.9% |
Key Features & Capabilities:
- Ultra‑fast transition: seamless on‑grid ↔ off‑grid switching in ≤15 ms for uninterrupted critical loads.
- Exceptional MPPT performance: dual-MPPT architecture with industry-leading conversion efficiency to maximize PV harvest.
- Scalable & modular: supports DC coupling with BESS/PV and parallel expansion for multi-cabinet systems.
- Enterprise remote O&M: cloud connectivity for 24‑hour operation & maintenance, device interconnection and lifecycle monitoring.
- Built for safety: multi-layer fire protection and electrical safeguards plus insulation/leakage detection and high‑voltage interlocks.
