YBW New Energy Integrated Photovoltaic Prefabricated Box Substation-Zhejiang Huapu Electric Co., Ltd.

YBW New Energy Integrated Photovoltaic Prefabricated Box Substation

The YBW New Energy Integrated Photovoltaic Prefabricated Box Substation is an advanced prefabricated solution tailored for photovoltaic systems. It combines direct current (DC) input handling, inverter functionality, and voltage step-up in a compact, factory-assembled unit. Designed for seamless deployment, the substation supports unified transportation, crane lifting, and quick site installation, enabling efficient integration into large and small solar projects.

Product Advantages
Comprehensive Integration
Integrates DC input, inversion, and output voltage elevation into a single modular box.Factory pre-installed and tested to ensure system compatibility and operational readiness.Enables streamlined transport, site lifting, installation, and future maintenance in one process.

Strong Environmental Compatibility
Designed with full ventilation and cooling systems to ensure thermal efficiency.Equipped with protection against wind-blown sand, heavy rain, snow accumulation, corrosion, and sub-zero conditions.Enables stable operation across diverse geographic and environmental conditions.

Reliable Operational Performance
High degree of system integration reduces potential failure points.Capable of handling 20%–50% overload situations under stable operating conditions (vegetable oil-insulated type).Ensures consistent performance with low maintenance requirements.

Cost-Efficient System Design
Cuts down on AC cable investments by integrating essential power equipment within a single unit.Optimizes placement of circuit breakers, lightning protection, power supply, and monitoring modules.Compact structure minimizes land usage and lowers installation and construction complexity.

Product Features
Modular, Prefabricated Construction
Delivered as a complete module with minimal on-site work required.Accelerates deployment schedules while maintaining consistent build quality.

Compact and Efficient Design
Small footprint supports use in areas with limited space.Lightweight design is compatible with standard crane lifting and transportation procedures.

Integrated Electrical Functionality
Houses all key photovoltaic power processing components in one enclosure.Supports real-time monitoring and coordinated protection through centralized control systems.

Durable and Safe Build
Features corrosion-resistant materials, waterproof and dustproof seals, and anti-condensation systems.Incorporates safety features to manage electrical faults and external environmental risks.

Product Applications
Utility-Scale Solar Power Stations
Ideal for large PV farms requiring integrated, compact transformer and inverter solutions.Reduces installation complexity and project coordination efforts.

Commercial and Industrial Energy Projects
Suitable for large rooftops, industrial parks, or energy storage-linked systems.Efficient space usage and robust operation align with business energy demands.

◇ Altitude:≤3000 meters;

◇ Surrounding environment temperature: -45℃~+45 ℃;

◇ Environmental humidity: The daily average relative humidity shall not exceed 60%, and the monthly average relative humidity shall not exceed 90%;

Places without fire, explosion hazard, chemical corrosion, and severe vibration.

Project	Unit	High voltage electrical appliances	Transformer	low Voltage Apparatus
Rated voltage	KV	6/10	6/0.4 10/0.4	0.4
Rated capacity	KVA		50~1600
Rated current	A	200、400、630		100-3200
Rated short circuit breaking current	A	Load switch 400-630		15-63kA
Rated short-time withstand current	KA	The combination switch depends on the fuse
Rated peak withstand current	KA	16，20（4s）		15(1s)
Power frequency withstand voltage（1min）	KA	31.5，50		30(1s)
Lightning impulse withstand voltage（peak）	KV	Phase to ground and phase to phase 32/42	25/35（Oil immersed）	30
Lightning impulse withstand voltage（peak）	KV	Isolation fracture 36/48	20/28（Dry type）	63
Cabinet protection level	KV	Phase to ground and phase to phase 60/75	60/75	≤0.3,2
Cabinet protection level	KV	Isolation fracture 70/85		＞0.3,2.5
			IP32
Noise level	Db		55
Executive standards		GB/T 17467"High Voltage/Low Voltage Prefabricated Substation"
		DL/T537"Technical Conditions for Ordering 6-35kV Box Substation"

◇ Highly integrated: pioneered a one-stop solution for DC input, inverter, and boost output; Unified installation and debugging in the factory, overall lifting on site, one-stop completion of transportation, installation, and maintenance.
◇ Strong adaptability: Fully consider requirements such as ventilation and heat dissipation, wind and sand resistance, rain and snow resistance, corrosion resistance, and low temperature resistance.
◇ Stable performance: high integration, few fault points, improving performance stability: Stable operation with an overload of 20%-50% (vegetable oill type).
◇ High profitability: reduce investment in AC cables, concentrate on optimizing electrical equipment such as circuit breakers, lightning protection, power supply, and monitoring; Small footprint and low construction difficulty.
◇ It can replace the traditional "MW room+photovoltaic box transformer"mode.