Model NO.
S11-M-30 / S11-M-50 / S11-M-63 / S11-M-80/ S12.../
Cooling Method
Oil-immersed Type Transformer
Winding Type
Separated Winding Transformer
Certification
ISO9001-2000, ISO9001
Usage
Power Transformer, Distribution Transformer
Tapping Range
±5 % 2X2.5 % ±4X2.5 %
Connection
Dyn11, Yyn0 (or as Requested)
Oil Immersed Series Transformer
S13-M series fully sealed oil immersed power transformer has the advantages of low loss, low noise and high efficiency, which can achieve good energy-saving effect and reduce pollution. Compared with the ordinary oil immersed transformer, the fully sealed transformer cancels the oil conservator, and the change of oil volume is automatically adjusted and compensated by the elasticity of the corrugated sheet of the corrugated oil tank. The transformer is isolated from the air, so as to prevent and slow down the deterioration of oil and insulation aging, enhance the operation reliability, and avoid maintenance in normal operation.
Power capacity: 25-2500KVA
Voltage Level: 10KV, 11KV, 20KV, 22KV, 33KV, 35KV etc.
Type of Voltage Regulation: Off-circuit or On-load
Frequency: 50Hz or 60Hz
Phases: Three or single
Connection Symbol: Dyn11, Yyn0 (or as requested)
Altitude: Not exceeding 1000m, ambient temperature not exceeding 40°C
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Technical Specifications
| Rated capacity (kVA) |
Voltage combination |
NO-load loss (W) |
Load loss (W) |
No-load current (%) |
Impedance (%) |
| HV (KV) |
Tapping range |
LV (KV) |
Connection |
| 30 | 6.3 / 10.5 / 11 / 13.2 / 13.8 / 15 | ±2×2.5% Or ±5% | 0.4 | Dyn11 / Yyn0 | 90 | 660 | 2.1 | 5.5 |
| 50 | 130 | 960 | 2 |
| 100 | 200 | 1650 | 1.6 |
| 200 | 330 | 2860 | 1.3 |
| 315 | 480 | 4010 | 1.1 |
| 400 | 570 | 4730 | 1 |
| 500 | 680 | 5660 | 1 |
| 800 | 980 | 8250 | 0.8 | 6 |
| 1250 | 1350 | 13200 | 0.7 |
| 2500 | 2340 | 22200 | 0.6 |
We are a leading enterprise specializing in the production of sulfur hexafluoride ring main units, environmental protection gas insulated ring network switchgear, solid insulated ring main units, cable distribution boxes, and high/low voltage complete sets of equipment. With strong technical force and a group of power engineering design and development experts, we focus on environmental protection, miniaturization, and intelligence in our power automation technology.
Our facility maintains a robust manufacturing capacity with nearly 200 employees. We have achieved numerous technological breakthroughs in maintenance-free and intelligent equipment. We have established a comprehensive service network to ensure rapid response to customer needs worldwide.
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Frequently Asked Questions
Q: Are you a manufacturer or a trading company?
A: We are a professional manufacturer with our own dedicated factory facilities.
Q: What are your warranty terms for the transformers?
A: We provide a standard 12-month warranty on our products to ensure reliable operation.
Q: What is the typical production lead time?
A: Generally, production takes 4 to 6 weeks, depending on the specific model and order requirements.
Q: How do you handle quality control during manufacturing?
A: We implement a 100% quality control inspection process. There are more than 10 specific inspection points from raw material sourcing to final product testing. All units carry 3C certification.
Q: Can you provide customized transformers?
A: Yes. We specialize in custom orders. Please provide technical drawings or detailed specifications for a tailored quotation.
Q: What payment terms do you accept?
A: We primarily accept T/T (Telegraphic Transfer) and L/C (Letter of Credit) payments.
Tanaka Electric
