Outdoor 250kVA/300kVA/400kVA/500kVA/630kVA Pad-Mounted Transformer Substation 10KV/0.4KV Three-Phase ZGS11 for 50Hz/60Hz

Overview of Outdoor 250kVA/300kVA/400kVA/500kVA/630kVA Pad-Mounted Transformer Substation 10KV/0.4KV Three-Phase ZGS11 for 50Hz/60Hz

Outdoor 250kVA/300kVA/400kVA/500kVA/630kVA Pad-Mounted Transformer Substation 10KV/0.4KV Three-Phase ZGS11 for 50Hz/60Hz is an enclosed, ground-level electrical distribution transformer commonly used in underground (UG) power systems. It steps down primary high-voltage electricity (e.g., 15kV or 25kV) to a lower secondary voltage (e.g., 120/240V or 480V) for safe distribution to residential neighborhoods, commercial buildings, and industrial parks. Its robust, lockable steel enclosure makes it safe for public areas.

Features of Outdoor 250kVA/300kVA/400kVA/500kVA/630kVA Pad-Mounted Transformer Substation 10KV/0.4KV Three-Phase ZGS11 for 50Hz/60Hz

Ground-Level Enclosure: A locked, tamper-resistant, weatherproof steel cabinet that protects the internal components and ensures public safety.

Underground Cable Connections: Designed for easy connection to underground primary (high-voltage) and secondary (low-voltage) cables via compartments with built-in bushings.

Compartmentalization: Separate, isolated compartments for high-voltage and low-voltage components, enhancing safety during maintenance.

Ventilation: Designed with louvers or other ventilation systems to allow for proper heat dissipation from the transformer core and coils.

Lifting Lugs: Integrated lifting lugs for easy and safe installation and replacement using a crane or hoist.

Tamper-proof Hardware: Lockable doors with special bolts to prevent unauthorized access.

Fused Switches: Often includes fused disconnect switches for circuit protection and safe isolation.

Pad Foundation: Installed on a concrete pad (“pad-mounted”) to provide a stable, level base.

Specifications of Outdoor 250kVA/300kVA/400kVA/500kVA/630kVA Pad-Mounted Transformer Substation 10KV/0.4KV Three-Phase ZGS11 for 50Hz/60Hz

This outdoor pad-mounted transformer substation supplies power. It steps down 10kV to 0.4kV. Models range from 250kVA to 630kVA. It works for both 50Hz and 60Hz systems. The type is ZGS11. It is three-phase.

The high voltage is 10kV. The low voltage is 400V. The transformer uses oil natural air natural cooling (ONAN). It meets IEC 60076 standards. The design ensures reliable performance outdoors.

The enclosure is robust. It protects against weather. The material is corrosion-resistant steel. The finish is durable paint. This keeps the inside safe from rain, dust, and sun. The enclosure rating is IP54 minimum. Some models reach IP67. The transformer stays safe in wet conditions.

Noise levels are low. The transformer runs quietly. This is important near homes or offices. The sound power level is below 65 dB(A). This depends on the kVA size. Larger units might be slightly louder. They are still within acceptable limits.

It handles various temperatures. Ambient temperature can be from -25°C to +40°C. The transformer operates well in this range. Altitude can be up to 1000 meters above sea level. Higher altitudes might need derating. Check the specific requirements.

The transformer has safety features. It includes pressure relief devices. It has an oil level gauge. It has a drain valve. It has a filling plug. It has lifting hooks. These features allow safe operation and maintenance.

The core uses high-grade silicon steel. Windings are copper or aluminum. They are designed for efficiency. Losses are minimized. The tank is fully sealed. It prevents oil leakage. The transformer is maintenance-friendly. Access points are clear.

It passes strict tests. Routine tests include resistance measurement. They include voltage ratio checks. They include load loss tests. They include no-load loss tests. They include impedance voltage tests. They include applied voltage tests. They include induced voltage tests. They include partial discharge tests. Type tests are also performed. This guarantees quality and safety.

Applications of Outdoor 250kVA/300kVA/400kVA/500kVA/630kVA Pad-Mounted Transformer Substation 10KV/0.4KV Three-Phase ZGS11 for 50Hz/60Hz

These transformers sit outdoors in neighborhoods and industrial areas. They step down high voltage electricity to safer levels for homes and businesses. The steel enclosure protects everything inside from weather and accidents. Inside, you find the transformer core and coils immersed in oil. This oil cools the system and prevents overheating. The design is compact and sealed tight. This keeps moisture and dirt out.

They handle common power ratings from 250kVA to 630kVA. This covers many different needs. They take in 10,000 volts (10kV) from the main power lines. They output 400 volts (0.4kV) for local use. This is standard three-phase power. It runs motors, lighting, and equipment reliably. The ZGS11 model is a proven, reliable design. It works perfectly with both 50Hz and 60Hz electrical systems worldwide.

People choose them for several reasons. They are very safe for public areas. The sturdy box keeps people away from live parts. They are also tough and last a long time. The sealed unit needs little maintenance. This saves time and money over the years. They fit easily into existing spaces. You see them near apartment buildings, stores, and factories. They power shopping centers, schools, and water treatment plants. They support construction sites needing temporary power. Their flexibility is a big advantage. Utilities and businesses rely on them daily. They provide stable power where it’s needed most. Installation is straightforward for trained crews. Their low maintenance design is a key benefit.

Company Profile

PDDN Photoelectron Technology Co., Ltd. is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters， transformers, voltage regulators, distribution cabinets, thyristors， modules， diodes， heaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality Outdoor 250kVA/300kVA/400kVA/500kVA/630kVA Pad-Mounted Transformer Substation 10KV/0.4KV Three-Phase ZGS11 for 50Hz/60Hz, please send us inquiries; we will be here to help you.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

By sea, by air, by express, as customers request.

Storage Conditions

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperature.

3) Use immediately after opening the inner packing bag.

5 FAQs of Outdoor 250kVA/300kVA/400kVA/500kVA/630kVA Pad-Mounted Transformer Substation 10KV/0.4KV Three-Phase ZGS11 for 50Hz/60Hz

Here are 5 common questions about the Outdoor 250kVA to 630kVA Pad-Mounted Transformer Substation (ZGS11, 10kV/0.4kV, Three-Phase, 50Hz/60Hz):

What safety features does this transformer have?
The transformer is built for safety. It uses a fully sealed tank. Oil leakage is prevented. The tank design withstands pressure. It includes pressure relief. This protects against internal faults. The low-voltage compartment is separate. Access requires special tools. This prevents accidental contact. The design meets strict safety standards.

Can this transformer handle different weather?
Yes, it is made for outdoor use. The enclosure is tough. It resists corrosion. The unit handles rain, snow, sun, and wind. Temperature extremes are okay. The sealed design keeps moisture out. Dust and dirt cannot easily enter. It works reliably in harsh environments. Installation sites need proper drainage.

How difficult is installation?
Installation is straightforward. The unit comes pre-assembled. It mounts directly onto a concrete pad. Prepare the pad foundation first. Ensure the site is level. Connect the high-voltage cables. Connect the low-voltage cables. Grounding is essential. Follow the wiring diagram exactly. Qualified personnel must do the electrical work. Testing after installation is necessary.

How do I choose the right size (250kVA, 300kVA, etc.)?
Select the size based on your load. Calculate the total power needed. Consider future expansion. The kVA rating shows the transformer’s capacity. A 250kVA unit handles less load than a 630kVA unit. Overloading damages the transformer. Undersizing causes voltage problems. Consult your electrical load data. Your power supplier can often advise.

Does this transformer meet international standards?
Yes, the ZGS11 series complies with key standards. It follows IEC standards. It often meets IEEE standards too. Specific certifications depend on the manufacturer. Common ones include ISO quality management. Look for test reports. These confirm performance and safety. Always request the certification documents for your project.