Single Phase Pad Mounted Transformer
Capacity: 15-250KVA / customized
Primary Voltage: 34.5KV-19.92KV, 13.8KV-7.957KV, 13.2KV-7.62KV, 12.47KV-7.2KV / customized
Secondary Voltage: 120-240V, 240-480V, 347/600V / customized
Or others
Loop or Radial Feed Configuration
Insulation Fluids: mineral insulating oil, Environment FR3TM fluid / customized
H.V.TAP Range: ±2×2.5% / customized
BIL: 30V-150V / customized
Standards: ANSI, IEEE, DOE, CSA and NEMA or others Standards
Zhejiang Tianrun Electric Co., Ltd. is one of the leading manufacturers and suppliers of single phase pad mounted transformer in China. We are committed to providing high quality customized products with competitive price. We warmly welcome you to buy bulk advanced single phase pad mounted transformer from our factory. Also, quotation is available.
Product Overview
The Single-phase pad-mounted transformers are designed for outdoor underground distribution systems. They mount directly on a concrete pad, so no separate equipment room is required. The core and coils, high-voltage fuses, and low-voltage terminals are all housed inside one sealed oil tank. The enclosure is lockable and all live parts are fully insulated, ensuring safe operation.
Designed and manufactured to the IEC 60076 series of international standards, the high-voltage side is available in either loop-feed or radial-feed configuration.
Optional Accessories
- Multiple voltages or taps
- One piece high-voltage bushings
- Externally-operable multiple voltage or tap changer
- Envirotemp' M FR3T fluid
- Switches for safe operation
- Load Break switches
- Stainless steel tank, tank bottom, ill, door, and/or hardware > Drain/sampling valve
- Service entrance in ill Pressure vacuum gauge
- Various spades and terminals available for secondary bushings
- Liquid level gauge
- Various other design alions available, o.g, KVA, voltage, fuse number
- Temperature gauge
- High-voltage bushing inserts
- Canadian Standards Association (CSA) and Consumer
- Ground connectors > Electronics Association (CEA) design stage bushing
Transformer Specification
|
Single phase pad mounted transformer specification |
||||||||
|
Rating (kVA) |
High voltage (kV) |
No load loss |
On load loss |
Height (mm) |
Depth (mm) |
Width (mm) |
Oil weight (kg) |
Total weight (kg) |
|
15 kVA |
34.5/19.92 |
50 |
195 |
840 |
740 |
610 |
45 |
294 |
|
25 kVA |
80 |
290 |
840 |
740 |
610 |
68 |
362 |
|
|
37.5 kVA |
106 |
360 |
840 |
760 |
610 |
75 |
476 |
|
|
50 kVA |
135 |
500 |
840 |
810 |
610 |
93 |
553 |
|
|
75 kVA |
190 |
650 |
840 |
860 |
610 |
132 |
672 |
|
|
100 kVA |
280 |
1010 |
910 |
1200 |
965 |
230 |
714 |
|
|
167 kVA |
435 |
1530 |
1000 |
1200 |
965 |
265 |
913 |
|
|
250 KVA |
550 |
2230 |
1250 |
1300 |
1430 |
325 |
1106 |
|
Product Feature
Compact design
Core, fuses, and LV terminals integrated in one tank; small size and footprint.
Fully insulated and safe
HV elbow connectors with all live parts fully enclosed and inaccessible.
Dual fuse protection
Plug-in fuse plus backup current-limiting fuse for comprehensive overload and short-circuit protection.
Sealed and maintenance-free
Welded sealed tank isolates oil from air; no oil change or routine maintenance needed during normal operation.
Low loss and low noise
High-quality silicon steel core with low losses and low sound levels, suitable for residential areas.
Flexible feed options
HV side configurable for loop-feed or radial-feed to suit different distribution network layouts.
Application
Single-phase pad-mounted transformers are used for safe and reliable power distribution in underground electrical networks, widely serving residential quarters, commercial centers, hospitals, parks, schools, and similar sites, with a dual-voltage switching design to adapt to different power demands.
FAQ
Q: What the single-phase transformer?
A: The single-phase transformer is a transformer that operates on a single alternating current (AC) voltage. It has one primary winding and one secondary winding (or a center-tapped secondary), and it transfers electrical energy between two circuits at different voltage levels using electromagnetic induction.
Q: How can I make sure the transformer fits my project needs?
A: Define your load and voltage requirements first; then confirm the unit meets your environment and protection standards. With these details, we'll recommend a configuration tailored to your project.
Q: What is the best way to specify a single-phase pad-mounted transformer?
A: Start with your load demand (kVA), then match voltage ratings to your utility supply. Factor in installation conditions and local standards, and let our engineers verify the final configuration.
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