What Is This Product?
Hualai Electric's Combined Substation is a complete power distribution system built to handle electricity transmission efficiently and reliably, no matter the environment. It puts High and Low Voltage Distribution Cabinets, transformers, and protection tools all in one compact, pre-assembled unit. That means you skip separate installations and cut down on on-site work.
Thanks to its modular build, setting this substation up is quick and maintaining it is easy – exactly what modern power grids need. Whether it's for factories, solar farms, or city facilities, it keeps power steady while wasting very little energy. It’s a good example of how we focus on making electrical equipment that works better and lasts longer.
Key Technical Details
Capacity: 50kVA - 2500kVA
Transformer Options: Oil Immersed Transformer or Amorphous Alloy Dry-type Transformer
Protection Rating: IP54
Temperature Range: -30°C to +40°C /-40°C to +70°C
Frequency: 50Hz/60Hz
Weight: 3000kg -8000kg Shock-resistant build works well where there’s a lot of vibration or occasional earthquakes
What Makes This Substation Stand Out?
All-in-One Design Saves Time
We’ve packed key parts – like High and Low Voltage Distribution Cabinets and top-quality transformers – into one unit. This cuts on-site assembly time by up to 60% compared to setting up separate systems.
Saves Energy, Saves Money
Go with the Amorphous Alloy Dry-type Transformer and you’ll get better efficiency than most standard transformers – it loses 30-40% less energy.
Tough Enough for Any Environment
Easy to Monitor and Manage
You can even send data to a central system, so you spend less time fixing issues.
Safety Built In
It has multiple safety features – like protection against overloads and short circuits – to keep things running safely. The case also keeps unauthorized people out, meeting global electrical safety rules.
How to Install and Use It
Get the Site Ready: Make sure you have a flat, solid base (concrete is best) with enough room around it for ventilation and maintenance – leave at least 1.5 meters of space on all sides.
Put It in Place: Use proper lifting equipment to set the substation on the base. Secure it with anchor bolts like the manual says.
Connect the Electricals:
Hook up the primary high-voltage cables to the marked terminals
Connect the secondary low-voltage cables to your power network
Make sure all connections follow local electrical codes and torque requirements
Test It Before Full Use:
Check insulation resistance with a megohmmeter
Make sure the safety settings on the control panel are correct
Run it without load for 30 minutes, then test it with full load if needed
Start Using It: Turn on the main switch, check the control panel for normal readings, and write down the initial numbers for later reference.
Keep It Checked: Do a quick visual check every week and a more thorough review every month, like the maintenance manual suggests.
Where It Works Best
Industrial Areas
Keeps power steady for factories, industrial parks, and heavy machines – handles high-power equipment with reliable voltage control.
Renewable Energy Projects
Works great with Photovoltaic Prefabricated Cabin setups in solar farms. It fits right into renewable energy systems, managing variable solar power and distributing clean energy efficiently.
City Infrastructure
It keeps power flowing without taking up much space – perfect for busy city areas.
Remote Locations
Used in mines, rural electrification projects, and off-grid areas. Its tough design and easy maintenance mean you don’t need to send technicians out as often.
What You Gain
Lower Costs: Less time and labor needed for installation (up to 40% cheaper than traditional systems) – plus less energy loss saves money long-term.
Fast Setup: Because it’s pre-built, you can install it in 2-3 days instead of weeks like regular substations.
Saves Space: Its small size is perfect for cities or crowded industrial areas where land is expensive.
Fewer Breakdowns: Smart monitoring and a tough build mean it rarely stops working.
Certifications You Can Trust
Our Combined Substation meets strict international standards, so you know it’s quality, no matter where you are:
ISO 9001:2015 Quality Management System Certification
ATEX Certification
We Can Customize It For You
Every project is different.Hualai Electric offers tailored solutions to fit your needs:
Voltage & Capacity: 10kV-35kV primary, 50kVA-2500kVA
Control Options: Add advanced SCADA integration or remote monitoring.
Color: Custom RAL colors to match your company or site.
How We Make It
Hualai Electric follows strict manufacturing standards to make sure our products are reliable. Here’s how we build it:
Building Components: We make enclosures with precision, assemble High and Low Voltage Distribution Cabinets, and integrate transformers.
Testing for Quality:
Pressure testing for enclosures
Checking electrical performance (insulation, voltage handling)
Testing in different environments (temperature changes, humidity)
Making sure control systems work properly
What Our Customers Say
European Factory Manager
"Hualai Electric's Combined Substation has made a big difference for our factory. It’s compact, so it saved us space, and it worked perfectly with our existing High and Low Voltage Distribution Cabinets. Since we installed it, our energy costs have gone down by 15%." — Mr. Klaus Müller, Plant Manager, German Automotive Components Ltd.
Australian Solar Project Director
"We needed a reliable way to distribute power for our 50MW solar farm. This substation worked great with our Photovoltaic Prefabricated Cabin system, handling the variable solar power easily. The remote monitoring lets us manage it from headquarters, so we don’t need as many people on-site." — Ms. Sarah Johnson, Project Director, Australian Renewable Energy Group.
Middle East Electrical Engineer
Desert conditions are tough on equipment, but Hualai Electric's substation with IP65 protection has held up perfectly in extreme temperatures. The custom options let us match our local voltage needs, so installation was straightforward." — Eng. Ahmed Hassan, Electrical Engineer, Gulf Construction Consortium.
Common Questions
How often does it need maintenance?
We recommend checking it visually every month and doing a full maintenance check once a year (including oil testing for Oil Immersed Transformer models and cleaning electrical connections).
What support do you offer for installation and problems?
Our tech team can help with on-site installation (if you need it) and is available 24/7 for remote support. We also train your maintenance staff.
Can it handle areas with frequent power fluctuations?
Yes, it has voltage regulation and surge protection for typical fluctuations. For extreme cases, we can add advanced voltage stabilizers as an option.
