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11KV 33KV 20A 5000A 3 Phase H.V. Oil Type Power Transformer

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11KV 33KV 20A 5000A 3 Phase H.V. Oil Type Power Transformer

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Brand Name : XG

Model Number : S11

Certification : ISO,CCC

Place of Origin : XIAN,CHINA

MOQ : 1 SET

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 2000 SET

Delivery Time : 7-15 DAYS

Packaging Details : WOODEN CASE

Phase : 3

Coil Structure : TOROIDAL

Rated capacity : 30kva-5000kva

Frequency : 50Hz/60Hz

Rated voltage : 10kv

Vector group : Dyn11 / Yyn0

Primary voltage : 10kv 33KV

Secondary voltage : 0.4kv

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1. S11 11KV 33KV 20A -5000A 3 Phas H.V. Oil Type Power Transformer

1.1. Magnetic Core

The three-limb iron core is made of oblique cut Grain-oriented, seven-step silicon steel lamination insulated on both sides, guaranteeing low losses and low noise. These values are even improved by laser treatment. It is protected on the surface with a flash-proof varnish in order to prevent the sheet from corrosion and to reduce the noise.

1.2. The winding

The winding as the centerpiece of the transformer must be especially protected – both against high electrical stress due to external overvoltage and against mechanical overloads by short circuits. Varelen transformers are systematically designed to meet these requirements. The windings are made of copper or aluminum. Low-voltage windings are made of strip or flat wire, and the high voltage windings are manufactured from round or profile wire. (“diamond-dotted paper”) bonds the winding into a compact block while drying and increases the short-circuit capacity additionally.

1.3. The Tank Whether during transport or operation –the tank must be absolutely tight under mechanical stress. Preconditions to achieve this are constructional experience, the most modern calculation methods, and high-quality welding work. Special attention is paid to corrosion protection. Pretreatment of the surface is processed by phosphating pickling, contributes to corrosion protection, just like multi-coating with preset drying times for each layer. On request, hot-dip galvanization provides for even better protection.

2. Data

Standard GB1094,GB 6450-86,GB/T10228-1997,meet with DIN42523,IEC726
Capacity range 30-16000KVA
Voltage class 10KV-35KV
Volt-regulation means no-excitation volt-ragulation or on-load volt-regulation.
Tapping range +/-5%,+/-2*2.5%.+/-4*2.5%
Frequency 50 or 60Hz
Number of phase three or single phase
Coupling group tab Yyn0,Dyn 11 or others
Highest temperature-rise 100K.
Cooling method self-cooling(AN) of forced air cooling(AF)
Protection Class IP00,IP20,1P23
Insulation class F

3. Product Characteristics:

1. safe, fire-retardant, fireproof and pollution-free.

2. It can be directly installed at the load center, is free of maintenance and easy and convenient to install, and has low comprehensive running cost.

3. With high moisture resistance, it runs normally at the moisture of 100% and can be put into operation without being dried after outage, with low loss and local discharge capacity.

4. It has small noise, strong short circuit resistance and excellent environmental performance, and can run under severe environmental condition.

4. Photo

11KV 33KV 20A 5000A 3 Phase H.V. Oil Type Power Transformer

5. Factory

11KV 33KV 20A 5000A 3 Phase H.V. Oil Type Power Transformer

6. Delivery

11KV 33KV 20A 5000A 3 Phase H.V. Oil Type Power Transformer


Product Tags:

11KV Oil Type Power Transformer

      

20A Oil Type Power Transformer

      

5000A Oil Type Power Transformer

      
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11KV 33KV 20A 5000A 3 Phase H.V. Oil Type Power Transformer Images

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