75kva Oil Single Phase overhead Pole Mounted Distribution Transformer 4160GrdY/2400 To 120/240V
The transformer is cylinder sealing structure.Each one is fixed with grounding devices,hooks,supporting lugs which conforms to ANSI standard,and one or two high voltage bushing on the cover,low voltage bushing on the wall of the tank and eyebolt, connecting terminals.The tap changer should be adjusted basing on the instruction after the power off.
Main data
Transformer Type | Overhead Distribution Transformer, Conventional Type |
Phase | Single Phase |
Capacity | 75 KVA |
Primary Voltage | 4160GrdY/2400 |
Secondary Voltage | 120/240V (L-N-L) |
Frequency | 60 Hz |
Temperature Rise | 65°C |
Insulation Rating | Class E Insulation - 120°C, 248°F |
Cooling Class | ONAN |
Impedance | 2.75% Typical |
Efficiency Standard(s) | DOE 2016 Standards,CSA Standards ,ANSI/IEEE Standards |
K-Factor Rating (Harmonic Mitigation) | K-1 (Standard) |
Winding Material | Copper |
Ambient Temperature Rating | 40°C |
Ambient Operating Temperature Range | -40°C to +40°C (-50°F to +104°F) |
Sound Level | 51 dBA |
Core Material | Grain Oriented Steel |
Tank Material | Coated Steel |
Dimensions* | 26.75''-W x 28.30''-D x 47.18''-H |
Total Weight (Liquid Filled)* | 873 lb |
Efficiency | 99.05% |
No Load Loss (in watts) | +/- 240W |
Full Load Loss (in watts) | +/- 840W |
Product drawings
Standard Feature
■Quality System ISO 9001 certified.
■Paint system meeting or exceeding the performance of the IEEEC57.12.28 Standard.
■Lifting lugs meeting all of the requirements of the CSA C2.1-06 and CSA C2.2-06 Standard
■Computer aided design for mechanical & electrical calculations (C.A.D.).
■Core and coils designed for an optimum Total Ownership Cost (TOC).
■Provision for surge arrester bracket,bracket available as an option.
■"Low-high-low"windings for increased short circuit stren-gth,efficiency and thermal strength
■Cover or sidewall mounted high voltage bushing(s)as required.
■Wound core with step-lap joints for increased efficiency and lower noise levels.
■Dual voltage designed to meet BIL and short circuit requirements on both connections.
■Automatic self-resealing pressure relief valve.
■Low voltage spade or clamp type(basket)terminals as required.
■Multiple cover clamps to ensure proper sealing and to minimize water retention on the cover edge.
Specifications
10kva-333kva Single-phase oil immersed transformer | ||||||
Rated Cap acity(kVA) | High | Low Voltage(v) | Connection Symbol | Standard | Short-circuit impedance(%) | Efficiency |
Voltage(v) | (%) | |||||
10 | 4160 7200 12000 12470 13200 13800 19920 24940 34500 | 110 220 230 400 480 | II0,II6 | IEEE/ANSI/ DOE | 1.8-4% | 98.7 |
15 | 98.82 | |||||
25 | 98.95 | |||||
37.5 | 99.05 | |||||
50 | 99.11 | |||||
75 | 99.19 | |||||
100 | 99.25 | |||||
167 | 99.33 | |||||
250 | 99.39 | |||||
333 | 99.43 |
Accessories
Production process
FAQ
1. Q: Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.
2. Q: What is the lead time?
A: Mass production time 15-25 days.
3. 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.
4. 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:
a. Customized color and special function.
b. Customized box.
c. Print customer's logo.
d. Your other ideas about product, we can help you design and put them into production. The above customized services must be confirmed before production.
5. 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.