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11 KV - 2000 KVA Oil Immersed Transformer Compact Size Oil Type Transformer

Pearl Electric Co.,Ltd.

11 KV - 2000 KVA Oil Immersed Transformer Compact Size Oil Type Transformer

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Brand Name : Pearl Electric

Model Number : PEO-S, S9~13

Certification : KEMA, CE, CCC, ISO9001

Place of Origin : China

MOQ : 1 unit

Price : USD/RMB

Payment Terms : T/T, L/C

Supply Ability : 8000 units per year

Delivery Time : 35~50days ex-work

Packaging Details : Seaworthy wooden packing

Capacity : 2000kVA or Customized

Rated H. V. : 11kv or Customized

Rated L. V. : 0.433kv or Customized

Vector Group : Dyn11 or Customized

Impedence : 4.75% or Customized

Cooling : ONAN/ONAF or Customized

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11kV - 2000kVA , Oil - Immersed Transformer, Three Phases, Two Winding, Power Distribution


Oil-immersed type transformer features low noise, low loss, rational structure, high quality material, scientific design, strict production technology and advanced test method. The product also has the following additional advantages:

1. High mechanic strength, great anti-short circuit capability, excellent anti-lightning impulse capability and high reliability. All these performance indexes rank first in the industry in China.

2. Excellent overload capability, capable of continuously working under 110% rated load.

3. Low loss, energy-saving, economic and maintenance free.

4. Nice appearance, small size, less installation space occupation and low engineering cost.

5. Each performance index and technical specification excels that specified in China GB, international IEC and industrial standards.

6. Hermetically sealed corrugated tank structure is adopted, thus to effectively prevent air corrosion to the oil and prolong service lifetime of the transformer.


The core is manufactured with high quality cold rolled grain-oriented silicon steel of high magnetic conductivity, and 45° Mitring and steps overlapping structure is used for core production, thus to effectively reduce no-load loss and no-load current.

Insulation Structure:

The transformer adopts class-A insulation. The HV and LV windings are arranged in concentric way. Between the windings are oil-clapboard insulation structure built with paper cylinder and small oil conduit.


The tank is jointed with high-quality steel. Rust-removing and phosphorization processes are carried out for the tank surface, then the surface is coated with FVC anti- erosion paint, thus to effectively prevent grease pollution and chemical erosion. The appearance is nice and harmonic with the environment. The whole structure is easy for installation and maintenance. It can be widely applied in outdoor environment and under harsh conditions.


The transformer is equipped with HV & LV bushings, oil drain valve, earthing bolt, lifting board, rating plate, pressure relief valve and other accessories. Transformers of over 800KVA power are equipped with signaling thermometer and gas relay.

Instructions for Operation and Maintenance of Off-circuit Tap-changer with Strip Type

This instruction is the brief introduction of the strip off-circuit tap-changer. The flange and lifting board of it are fixed on the transformer cover, the function for the tap-changer is that we can operate the tap-changer on the transformer cover, by regulating the tap position to realize the voltage regulating of transformer as required. But only after the transformer is cut off from the electrical network, when the transformer is under off-circuit state, could we operate this type of tap-changer.

When you prepare to install a tap-changer , please take down the switch cover , solid nut , regulating gasket , press washer and sealing gasket , then pass the tap-changer body together through the low part of the tank cover , then put on the sealing gasket and the press washer being removed just now , and put on the regulating gaskets , the number of regulating gaskets are according to the thickness of tank cover , then screw up the solid nut and the switch cover.

No.ItemsUnitItem 1
I Basic Information     
1.01Type Designation PEO-S-KVA/HV/LV
1.02Applicable Standards IEC 60076
1.03Manufacturer Pearl Electric
1.04Country of Origin China
II Pearl Electric Performance     
2.01Rated PowerkVA2000
2.05Number of phase Three
2.06Insullation Class Class A
2.07Cooling Method ONAN
2.08Tapping Ranging ±2*2.5% on HV side
2.09Vector Group Dyn11
2.10Noise leveldB60
2.12No-load lossW2600
2.13Load Loss (@75℃)W20000
2.14Max. Ambient Temperature40℃
2.15Top oil temperature riseK60
2.16Winding temperature riseK65
2.17Impulse Withstand Voltage(HV/LV)
2.18Power Frequency Withstand Voltage(HV/LV)
2.19Rated Duration of Short Circuits2
III Materials & Accessories     
3.01Core Materials Silicon Steel Sheet
3.02Winding Materials Copper conductor/foil
3.03Main Insulation Materials Mineral Oil
3.04Tap-changerpcsOff-load tap-changer
3.05Pressure relief valvepcsYes,with alarm and trip
3.06Gas relaypcsYes,with alarm and trip
3.07HV&LV Cable Box & Extension BusbarpcsYes
3.08BushingpcsPorcelain Bushing
3.09Oil thermometerpcsYes,with alarm and trip
3.10Terminal boxpcsYes
3.11Oil-level indicatorpcsYes
3.12Oil ConservatorpcsHermetiacally-sealed tank
3.13De-hydrating breatherpcsN/A
3.14Cooling devicepcsCorrugated fins
3.15Current TransformerpcsN/A
3.16Lightning ArresterpcsN/A
3.17Transformer wheelpcsYes
4.01Dimensions (L*W*H)mm1950*2360*1790
4.02Total mass(with oil)kg4940
4.03Colour RAL7035

Product Tags:

oil immersed distribution transformer


oil type transformer

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