Guangzhou Guanggao High Voltage Electric Apparatus Co.,Ltd.
                                                                                                           
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Photovoltaic PV Pad Mounted Transformer 1250-5500 kVA 37kV 3 Phase ONAN Cooling for Solar Power Stations

Price Negotiable
Price: Negotiable
MOQ: 3
Delivery Time: Negotiable
Brand: GuangGao
Product Description
Product Specifications
No. Parameter Unit Value
1 Type - S11, S18
2 Rated Capacity kVA 1250 - 5500
3 Rated Voltage (High Voltage Side) kV 37
4 Rated Voltage (Low Voltage Side) kV 0.8/0.69
5 Rated Frequency Hz 50
6 Power Frequency Withstand Voltage (High Side) kV 85
7 Lightning Impulse (Peak Value) kV 200
8 Power Frequency Withstand Voltage (Low Side) kV 5
9 Number of Phases Phase 3
10 Shell Material and Thickness - 2mm Cold-Rolled Steel Plate
11 Shell Protection Class - IP65
* Above specification may be changed to improve performance.
* Transformer of other specification than listed above can be made to order.
Product Overview

This core photovoltaic grid-connected device is responsible for boosting the inverter's AC power to 10kV/35kV for grid connection, while providing comprehensive power distribution, protection, and monitoring functions.

Key Features
  • Modular, integrated box design for outdoor pedestal installation
  • IP54+ protection rating for harsh outdoor environments
  • Optimized for photovoltaic output fluctuations
  • Low-loss components for reduced energy consumption
  • Strong harmonic and short-circuit immunity
  • Optional intelligent remote monitoring systems
  • Available in oil-immersed (large centralized power stations) and dry-type (distributed/sensitive areas)
  • Power capacities from tens to thousands of kVA
Applications & Certifications
Professional Equipment
Photovoltaic PV Pad Mounted Transformer professional equipment installation
Global Exhibition Presence
Guanggao Transformer exhibition display at international trade shows
Quality Certifications
Power transformer certificates including CE, ISO, KEMA, UL certifications
Manufacturer Profile

Guanggao Transformer is a professional manufacturer with nearly 25 years of export experience, producing single-phase, three-phase, dry-type, distribution, and high-voltage transformers (110 kV and above).

Technical Capabilities
  • Compliance with IEEE/ANSI/UL/CSA and IEC standards
  • Modern laboratory with 3000kV lightning impulse testing device
  • Advanced testing equipment including CA-21 moisture analyzer, infrared image detector, and vibration analysis systems
  • National power transformer energy efficiency testing laboratory (2011)
Project Experience
  • National Olympic Security Power Project
  • National 851 project
  • Guangzhou Asian Games construction
  • Guangzhou BRT system
  • Export to Myanmar, Madagascar, Malaysia, and other countries
Guanggao Transformer company facility and manufacturing plant
Contact Information
Address: No. 15, Yunpu 1st Road, Yunpu Industrial Zone, Huangpu, Guangzhou, Guangdong, China
Telephone: (+86)-020-82505003
Email: ggelectric@gz-gg.com

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Guanggao High Voltage Electric Apparatus Co.,Ltd.
Location No.15,Yunpu1st Road, Yunpu Industrial Zone Luogang Guangzhou, China
Contact Person Liu

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