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3 Phase Pole Mounted Transformer 75kVA Oil Filled Transformer With 13800V Primary Voltage And 480Y 277V Secondary Voltage
Product Overview
3 Phase Pole Mounted Transformer 75kVA 13800V To 480V 277V Oil Filled Distribution Transformers ANSI Standard
Leilang Electric's three-phase pole-mounted round water tank is designed for areas where three-phase power is required but space is limited. It is simpler than a set of three single-phase transformers, and has lower installation and operating costs and higher safety.
Technical Specifications
No.
Particulars
Unit
Specification
Remark
1
Type
~
POLE MOUNTED, conventional type
2
Rated capacity
kVA
75
3
No. of Phase
~
3
4
Primary voltage
V
13800
Delta connection
5
Primary bushing
~
(3) 15kV class BIL 95kV Porcelain bushing
6
Secondary voltage
V
480Y/277
7
Primary bushing
~
(4) thread terminal
BIL 30KV
8
Tapping type
~
off-circuit tapping
9
Tapping range
%
±2*2.5% (5 steps)
10
Cooling method
~
ONAN
11
Rated frequency
Hz
60
12
Vector group
~
Dyn1
13
Insulation class
~
A(105℃)
14
Temperature rise
K
60/65(top oil/winding)
15
Off-load loss
W
247
10% tolerance
16
On-load loss (85℃)
W
1310
17
Impedance
%
1.0~4.5
18
Winding material
~
Cu
19
Insulation Fluids
Mineral oil
20
Core material
~
silicon steel
21
Service condition
~
outdoor
22
Ambient temperature
~
from -5~+40℃
23
Sea level
M
≤1000
24
Standard
~
ANSI C57.12.20
25
Dimensions
inch
29.5*32.7*65.0
for reference only
26
Weight
kg
1650
Standard Features
Meets or exceeds current IEEE, NEMA standards
Triplex core/coil design
Wet process high voltage bushings
Molded polymer low voltage bushings
Tin plated bronze terminals suitable for copper or aluminum connection
Two tank grounding provisions
Lightning arrester mounting provisions
1/2" drain plug
Automatic pressure relief device
Mineral oil
Mild steel tank and bolted cover
Laser engraved nameplate
Key Advantages
Miniaturization: The three-phase pole-mounted transformer is compact in design and small in size, making it suitable for areas with limited installation space
Large capacity: For a given conductor size, a three-phase pole-mounted transformer can carry more power than a single-phase one
Low cost: Compared to connecting three single-phase pole-mounted transformers, a three-phase pole-mounted transformer reduces the cost of materials and installation
Balanced load: A three-phase system naturally balances the load between phases, reducing the risk of imbalance that can lead to overheating and reduced efficiency
Low noise: Due to the symmetry of three-phase electricity, the transformer runs more smoothly with less noise and vibration
Applications
Three-phase power supply for residential neighborhoods and farms in rural and suburban areas
Power and lighting for small commercial establishments such as convenience stores, restaurants and small shops
Power for municipal public facilities including street lights, traffic signals and small pump stations
Power supply for small industries, farms and irrigation equipment in remote areas
Temporary three-phase power for construction sites and temporary projects
Production Process
Frequently Asked Questions
Q: Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.
Q: What is the lead time?
A: Mass production time 15-25 days.
Q: How long is the warranty?
A: 24 monthes from B/L. If there are any accessory problems, just provide the photos of damaged accessory, then we will provide free service. According to the number of products, we will provide easily damaged accessories for free. We also can provide technical support if you need.
Q: Is OEM/ODM available?
A: Yes, it is! We are manufacturer with our own R&D team, we can customize products according to customer's drawing or requirements.
Customized services:
Customized color and special function
Customized box
Print customer's logo
Your other ideas about product, we can help you design and put them into production
The above customized services must be confirmed before production.
Q: How to control the products quality?
A: Our company owns the core technology, all kinds of products hold CE certificate. We have professional engineers. Workers are strictly required to make products according to the drawings. Each process has technical instructors. The QC supervisors will regularly inspect the production. We will do products performance tests during production, and comprehensive quality tests when the products is completed.
