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PV Photovoltaic Grid Connected Cabinet Anti Reverse Current Control Cabinet

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Guangzhou Hengmeida Automation Technology Co., Ltd

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PV Photovoltaic Grid Connected Cabinet Anti Reverse Current Control Cabinet

Model Number : JN 1199811549

Certification : ISO9001，CE

Place of Origin : China

MOQ : 2

Payment Terms : T/T,Western Union

Delivery Time : 15 days

Packaging Details : wooden case packaging

Price : USD28-68889

Usage : Electrical Cabinet，PV Control panel

Thickness : 1.5mm or more

Accessories : Hinges, Handles, Screws

Type : Cabinet

Features : Durable, Waterproof, Fireproof

Material : Metal

Structure : Single Door/ 2 doors/more

Shape : Rectangular

Installation : Wall Mounted，free standing

Surface Treatment : Powder Coating

Lock Type : Key Lock

Size : Customizable

Color : Grey or others

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PV Anti-reverse Current Control Cabinet Anti-islanding Protection

Product Describe:

1. Distributed PV systems (residential/commercial rooftops)

Core needs: Prevent excess PV power from flowing back to the grid (anti-reverse current) and, in case of sudden grid outages, stop the PV system from continuously supplying power to the local grid (anti-islanding) to ensure the safety of maintenance personnel.

2. Microgrids and off-grid systems

Core needs: In off-grid or weak grid environments, prevent PV and energy storage systems from forming "islanded operation" due to grid fluctuations, ensure stable power supply for local loads, and avoid over-discharging of energy storage batteries or waste of PV power (preventing reverse current to energy storage systems).

3. Grid-connected PV + energy storage projects (industrial/commercial/public buildings)

Core needs: When PV generation exceeds load demand, control surplus power to be prioritized for storage in batteries (instead of flowing back to the grid) to reduce impact on the grid; in case of grid failure, quickly disconnect from the grid (anti-islanding) and switch to energy storage power supply mode.

4. PV carports and BIPV (building-integrated photovoltaics)

Core needs: PV systems in these scenarios are often integrated with building loads, requiring anti-reverse current functions to restrict reverse power transmission to the grid and, during grid failures, prevent PV modules from forming islanded power supply to local circuits within the building.

Specification:

Application Scenario	Typical Dimensions (W×H×D mm)	Capacity Range
Small Commercial Rooftop	600×800×300	≤250kW
Standard Ground Power Plant	800×1200×400	250kW-1MW
1500V High-Voltage System	1000×1500×500	1MW-2MW

Custom Provide:

① Total DC input capacity

② Number of protection devices

③ Ambient temperature range

④ Cable entry requirements

Material:
Stainless steel, carbon steel

IP Rating:

IP54/IP55/IP65/IP66/IP67

Suggestion:

1. Key Customization Points

Capacity:
- Add +200mm width per 12 additional PV strings.
- For 1500V systems, increase depth by 100mm per 1MW.
Climate Adaptations:
- Desert: Anti-sand mesh (+100mm height).
- Coastal: Stainless steel enclosure (+5% size).
- Arctic: Double insulation (+150mm depth).

2. Smart Features (Optional)

Monitoring: +50mm height per IV curve scanner.
Safety: +100mm width for every 4 AFCI modules.

3. Cost-Saving Tips

✔ Use standard cable entry points (reduces custom machining).
✔ Opt for modular designs (easy future upgrades).

4. Critical Reminders

⚠ Max shipping width: 2500mm (oversized requires split design).
⚠ Wall-mounted limit: ≤80kg (else use floor-standing).

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