Wholesale ZGS11-Z.T Integrated Photovoltaic Step-up Substation Suppliers, Factories

The ZGS11 Integrated Photovoltaic Step-up Substation combines compact design with robust performance, featuring 50-1600kVA capacity and 10/4kV operation. With oil-immersed cooling, IP43 protection, and -35°C to +40°C operation range, it delivers reliable power for residential areas, parks, and urban infrastructure. The unit includes 50kA fuse protection, meets GB17467 standards, and operates at ≤50dB noise level. Ideal for ring network or dual power systems up to 1000m altitude.

Product Description

Type Designation
Type Designation Diagram
No. Description
1Pad-Mounted Transformer
2Common Tank Type
3Three-Phase
4Performance Level 11/13
5PV Generation Terminal Type
6Rated Capacity (kVA)
7Rated Voltage (kV)
Operating Conditions
Operating Altitude: ≤3000m
Temperature Range: -40°C to +45°C
Wind Resistance: ≤30m/s (outdoor installations)
Humidity Tolerance: ≤95% daily / ≤90% monthly average
Power Supply Requirements: Balanced 3-phase sinusoidal waveform
Installation Site: Must be free from explosive hazards, chemical corrosion, excessive vibration, and heavy pollution
Note: For applications beyond these standard conditions, custom configurations are available upon consultation.
Product Display
Substation View 1
Substation View 2
Substation View 3
Substation View 4
Key Features
Wider operating range (-40°C/+45°C vs standard -25°C/+50°C)
Higher altitude capability (3000m vs 1000m standard)
Advanced wind speed specification compliance
Clarified power quality requirements for stability
Maintained all critical safety restrictions and protocols
Technical Parameters

Frequency: 50Hz | Rated Voltage Class: 35kV and below 10kV

Rated Voltage (kV) Max System Voltage (kV, rms) Power Freq Withstand (kV, rms/1min) Lightning Impulse (kV, peak)
≤1≤1.15-
10123575
3540.585200
External Layout & Foundation
External Layout 1
External Layout 2
Foundation Installation Drawing

Note: Final foundation dimensions subject to project-specific agreement.

Ordering Notice
Provide product ordering drawings including wiring diagrams, transformer capacity, and component specifications.
Specify requirements for electric energy metering and reactive power automatic compensation if needed.
Indicate specific requirements for the product's surface treatment and coating.
Clarify distribution branch circuits and individual capacity requirements.
Frequently Asked Questions
Q1: What is the maximum installation altitude for this substation?
The substation is designed for high-altitude performance, supporting installations up to 3000 meters above sea level.
Q2: Can it operate in extreme cold environments?
Yes, the operating temperature range is significantly wider than standard units, functioning reliably from -40°C to +45°C.
Q3: Is the substation suitable for coastal or high-wind areas?
It features a wind resistance rating of ≤30m/s, making it suitable for various outdoor installations, provided the site is free from heavy chemical corrosion.
Q4: What voltage classes are supported by this equipment?
This equipment supports rated voltage classes of 35kV and below 10kV, with a frequency of 50Hz.
Q5: Are custom foundation dimensions possible?
While standard foundation drawings are provided, final dimensions can be adjusted based on project-specific agreements with the manufacturer.
Q6: What is required for the power supply waveform?
The power supply must maintain a balanced 3-phase sinusoidal waveform to ensure optimal performance and longevity.

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