⚡ Sungrow SG150CX – 150 kW Three-Phase String Inverter for Utility & Commercial PV
Sungrow SG150CX is a high-performance multi-MPPT string inverter for 1000 Vdc systems, delivering 150 kW with up to 98.8% max efficiency. It combines advanced protection (AFCI 3.0, DC surge Type I+II / AC Type II), precise string-level diagnostics with I-V curve scanning, and a rugged IP66 + C5 design with smart forced-air cooling—ideal for desert, coastal, and high-temperature sites across the GCC and Middle East.
⚙️ Technical Specifications
- 🔠 Model/Designation: SG150CX.
- 🔋 System type: Multi-MPPT string inverter for 1000 Vdc PV arrays.
- ✅ Efficiency: Max 98.8%; European efficiency 98.2% (380/400/415 Vac) / 98.4% (480 Vac).
🔌 DC Input
- 📈 Recommended PV power: 210 kWp.
- ⚡ Max PV voltage: 1100 Vdc.
- 🔻 Min input / start-up voltage: 180 V / 200 V.
- 🎯 Nominal DC voltage (grid match): 600 V (for 380/400/415 Vac); 720 V (for 480 Vac).
- 🔎 MPPT operating range: 180–1000 Vdc.
- 🧠 MPPT trackers: 7.
- 🧵 Strings per MPPT: 3 (21 strings total).
- 🔢 Max PV input current: 336 A (48 A × 7).
- 🛡️ Max DC short-circuit current: 462 A (66 A × 7).
- 🔌 Max current per DC connector: 30 A.
⚡ AC Output
- 🏷️ Rated active power: 150 kW.
- 📦 Max apparent power: 165 kVA.
- 🔢 Max AC current: 250.7 A @ 380 Vac; 240.6 A @ 400/415 Vac; 200.5 A @ 480 Vac.
- 🔢 Rated AC current: 227.9 A @ 380 Vac; 216.5 A @ 400/415 Vac; 180.4 A @ 480 Vac.
- 🔌 Grid connection/voltages: 3/N/PE at 220/380, 230/400, 240/415, 277/480 Vac.
- 🌀 Grid voltage range: 320–480 Vac (for 380/400/415); 380–552 Vac (for 480 Vac).
- ⏱️ Frequency (range): 50/60 Hz (45–55 / 55–65 Hz).
- 📉 Current THD: ≤ 1% @ 400 Vac rated load; ≤ 2% @ 480 Vac.
- 📐 Power factor: > 0.99 (adjustable +0.8 to −0.8).
🛡️ Protections & Smart Functions
- 🧲 Grid monitoring, DC reverse polarity, AC short-circuit, leakage current protection.
- 🌩️ Surge protection: DC Type I+II / AC Type II.
- 🧭 Ground-fault monitoring and integrated DC switch.
- 📊 String-level current monitoring with high-accuracy I-V diagnostics.
- 🔥 Smart AFCI 3.0 arc-fault protection (detection range up to ~450 m).
- 🧠 Built-in PID recovery.
- 🆘 RSD compatibility: optional (per variant).
🏗️ Mechanical & Environmental
- 📏 Dimensions (W × H × D): 1025 × 795 × 360 mm.
- ⚖️ Weight: ≤ 100 kg.
- 🧱 Mounting: Wall-mount bracket.
- 🔌 Topology: Transformerless.
- 💧 Ingress protection: IP66.
- 🛡️ Corrosion class: C5.
- 🌙 Night consumption: ≤ 7 W.
- 🌡️ Operating temperature: −30 to +60 °C.
- 💧 Relative humidity: 0–100% (non-condensing).
- ⛰️ Altitude: up to 4000 m.
- 🧊 Cooling: Smart forced-air.
- 🖥️ HMI/commissioning: LEDs + Bluetooth mobile app.
- 🔗 Communications: RS485 / WLAN (optional) / Ethernet (optional).
- 🔌 DC terminations: EVO2 connectors up to 6 mm².
- 🔌 AC terminations: OT/DT lugs (120–400 mm²), cable OD 18–38 mm.
- 📜 Compliance & grid codes: IEC/EN 62109-1/-2, IEC 60529, IEC 61000-6-1/-2/-3/-4, EN 55011/CISPR 11, IEC 63027, EN 50549, IEC 61727, IEC 62116, EN 50530, IEC 60068, VDE 4110/4120, G99, CEI 0-16/0-21, NRS 097, DEWA, and others.
- ⚙️ Grid support: Q-at-night, LVRT/HVRT, active/reactive power control, ramp-rate control.
🌍 Why SG150CX is ideal for the GCC & Middle East
- 🌦️ Built for harsh climates: IP66 + C5 against dust/salinity; reliable operation up to +60 °C and 4000 m altitude.
- 🧠 AI-grade diagnostics: global MPPT scanning boosts yield and pinpoints faulty strings fast with I-V analytics.
- 🔥 Enhanced safety: AFCI 3.0 with long-range detection and instant shutdown reduces arc risks in large sites.
- ⚙️ Design flexibility: 7 MPPTs / 21 strings enable efficient layouts for diverse module orientations and high-current 182/210 mm modules.
- 🛠️ Efficient O&M: self-cleaning air channels, real-time monitoring, and Bluetooth app for rapid commissioning.
🏭 Application Scenarios
- 🏭 Utility-scale government/community PV plants.
- 🏢 Large commercial rooftops and industrial campuses.
- ☀️ Desert and coastal projects across Saudi Arabia, UAE, Oman, Qatar, Bahrain, Kuwait, and Yemen.
- 🔋 Arrays using high-current 182/210 mm modules on 1000 Vdc systems.
❓ FAQs
What are the standout safety features of the SG150CX?
🔸 AFCI 3.0 (up to ~450 m detection), DC Type I+II / AC Type II surge protection, string-level monitoring, and an integrated DC switch for comprehensive on-site safety.
Does it support precise remote diagnostics?
🔸 Yes—high-accuracy I-V curve scanning and global MPPT search help identify underperforming strings and recover extra yield.
Is it suitable for hot, salty, and dusty climates?
🔸 Absolutely—IP66, C5 corrosion resistance, operation up to +60 °C, and 4000 m altitude make it a perfect fit for the Middle East.
What communications and grid-support features are available?
🔸 RS485 standard; optional WLAN/Ethernet; active/reactive power control with LVRT/HVRT and Q-at-night for advanced grid integration.
📞 Contact Al-Raebi Solar for pricing and a free technical consultation on SG150CX