Midea Group
NEPCSO-1250UD
NEPCSO-1250UD
  • Applications

    Renewable power plant integration (ramp rate control, energy shifting)

    Grid ancillary control (frequency regulation, peak shaving)

    Distributed network and micro-grid (peak shaving, autonomous operation)

  • Great Performance

    High power density, excellent heat dissipation,ensuring stable operation of equipment

    Comprehensive detections and protections,ensuring the reliable operation of equipment

    Compatible with a variety of communication protocols

  • Grid Support

    Equipped with PQ, VF, SVG, VSG and other functions

    Supporting low/high voltage ride through (L/HVRT)

  • Easy O&M

    Integrated monitoring function and fast troubleshooting

    Modular design, easy to maintain

NEPCSO-1250UD.PDF
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  • DC-side

    DC Voltage Range

    1000 V-1500 V

    Max. DC Voltage

    1500 V

    Max. DC Current

    1323 A

  • AC-side (On-grid)

    Rated Power

    1250 kW @ 45°C

    Max. AC Output Power

    1375 kW @ 30°C

    Rated AC Voltage

    690 V AC, 3W + PE

    AC Voltage Range

    587–759 V

    Rated Grid Frequency

    50 Hz/60 Hz

    Grid Frequency Range

    45–55 Hz/55–65 Hz

    Max. AC Current

    1151A @ 30℃

    AC Current THD (THDi)

    < 3% (at rated power)

    Power Factor

    > 0.99 (at rated power)

  • AC-side (Off-grid)

    Rated AC Voltage

    690 V, 3W + PE

    AC Voltage Range

    587–759 V

    AC Voltage THD (THDu)

    < 3% (linear load)

    DC Voltage Component

    < 0.5% Un (linear balance load)

    Unbalanced Load Capacity

    100% unbalanced load

    Rated Grid Frequency

    50 Hz/60 Hz

  • Efficiency

    Max. Efficiency/CEC Efficiency

    99%

  • Protection

    DC Breaker

    Supported

    DC Fuse

    Supported

    AC Breaker

    Supported

    AC Overcurrent Protection

    Supported

    Insulation Impedance Detection

    Supported

  • General Parameters

    Dimensions (W × D × H)

    700 mm × 1300 mm × 2328 mm

    Weight (approx.)

    ≤1050 kg

    Operating Ambient Temperature Range

    –35°C to +60°C (> 45°C derating)

    Relative Humidity Range

    0–100% (non-condensing)

  • Parameter

    Max. Operating Altitude

    5000 m (> 3000 m derating)

    Ingress Protection (IP) Rating

    IP65 (electronic cavity), IP55 (main air duct)

    Anti-corrosion Degree

    C4 , C5 (optional)

    Cooling Method

    Forced air cooling

    Isolation Mode

    Non-isolated type (transformer external)

    Communication Interface

    RS485, CAN, Ethernet, Fiber (optional)

    Communication Protocol

    Modbus TCP, IEC 104, IEC 61850

    Standard Compliance

    EN 50549, IEC 62477, IEC 61000




    ©2026 Shenzhen CLOU Electronics Co., Ltd.

    All rights reserved. Subject to change without notice. Version 1.0 07/2026