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PV (Photovoltaic) Prefabricated Substation

To reduce the overall cost of solar power plants and improve efficiency, CEEG introduces a complete photovoltaic substation composed of grid-connected inverters, transformers, high and low-voltage switchgear, and cabinets. This 50Hz 0.4-35KV three-phase AC PV system offers DC distribution, inversion, step-up, monitoring, and communication functions. It serves as a perfect alternative to the traditional "inverter room + step-up station," making it ideal for both distributed and centralized power generation.

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Product Description

Product Features

1. Turn-key Solution

All-in-one device integrating inverter, transformer, HV and LV switchgear. No on-site installation is required.

Container-type enclosure, easy to transport and load without the special lifting equipment.

2. Strong Environmental Adaptability

Anti-corrosion, high-strength steel enclosure.

Flame-proof with stable temperature functions and thermal insulation.

Excellent ventilation, sand, and dust-proof capabilities.

3. High Reliability and Safety

The cast-resin dry-type transformer inside the substation is fireproof, explosion-proof, and flame-resistant.

Certified C2, E2, and F1 testing standards.

Cost Reduction and Efficiency Improvement:

Lower investment and higher returns.

Saves 15% to 20% of total investment compared to traditional "inverter room + step-up station."

Reduces the number of foundations from two to one, saving 50% of installation time.

Copper connections between inverters and transformers eliminate the need for cables between the inverter room and the transformer. Structural optimization also reduces the requirement for two low-voltage switchgear units between the inverter and transformer.

4. Flexible Design: Can be customized according to customer site conditions.

General Layout A

General Layout B

Datasheet

Performance
Type		ZD-1000-OD/35	ZD-2000-OD/35
Incoming Data
Max DC incoming power		1123KW	1123KW×2
Max Array Trip Voltage		1000Vdc	1000Vdc
Incoming working voltage range		750~1000Vdc	750~1000Vdc
Max incoming current		1130A*2	1439A×2
Numbers of DC incoming branch		10~20 lines	20~30 lines
Outgoing Data
Rated outgoing Power	500+500KW		1000KW×2
Inverter outgoing voltage	315Vac		500Vac
Transformer outing voltage	37KV		37KV
Transformer outgoing current	16.5A		33A
System Characteristics
Transformer Type		Two Windings	Dual outing windings
HV SWG		Voltage and current display; surge arrestor; earthing switch; protection fuse	Voltage and current display; surge arrestor; earthing switch; protection fuse
LV CT、PT and power meter		Optional	Optional
Transformer thermometer remote control		Optional	Optional
IP Grade		IP54	IP54