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30kV Oil Immersed Transformer With Stable Operation Three Phase Two Winding

Categories Oil Immersed Transformer
Brand Name: Pearl Electric Co.,Ltd.
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: 30kVA~10MvA or Customized
Rated H. V.: 30kv or Customized
Rated L. V.: 0.4kv or Customized
Vector Group: Dyn11 or Customized
Impedence: 6% or Customized
Cooling: ONAN/ONAF or Customized
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30kV Oil Immersed Transformer With Stable Operation Three Phase Two Winding

30kV Oil - Immersed Transformer, Three Phases, Two Winding, Power Distribution


Introduction


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.

Core:


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.

HV winding:


HV winding is manufactured with high quality copper conductor, adopting optimized structure to improve electric distribution. Lightning impulse wave process is carried out for calculation and analysis, thus to improve transformer's anti-lightning impulse capability.

LVwinding:


LV winding is manufactured with high quality foil conductor, so the ampere-turn balance is excellent and the transverse magnetic flux leakage is low. The anti-short circuit capability is thus greatly improved. Oil conduit is rationally designed in the windings to increase winding's heat dispersion surface, effectively reduce temperature and improve transformer's overload capability.


This series products are mainly supplied with two specification: YW I and YW

II:YW I is normal type, YW II is the type with pressure-relief valve,its

Effective caliber for oil spraying is Φ 25mm,open pressure is 35kPa.


---Visual window and connected f;ange have vert good qualified sealing structure,it

Is safe and reliable,without any leakage.Before it is delivered out from the factory,it

Will be tested rvder 200kPa pressure for checking its leakage.


Specifications:
Rated H.V.:30 (33, 25 )kV, ±2×2.5%
Vector GroupDyn11/Yyn0
Rated L.V.:0.4kV
Capacity:30~2500
No-load Loss:0.13~3.20kW
Load Loss0.60~21.5kW
No-load Current:0.6~2.3%
Impedance Voltage:4/4.5/5.5%
Tap-changingOn-load Tap-changing
Cooling Method:ONAN/ONAF
Reference StandardsIEC60076
Notes: The above specifications may be customized according to customer's requirement.
Features & Advantages
1. Low loss, low noise and high reliability.
2. Excellent dynamic thermal stability and high over-load capacity.
3. Simulation analysis was carried out for the core mould design, thus to greatly reduce noise level. Simulated lightning impulse wave process was carried out for HV winding mould design, thus to greatly improve product's anti-lightning impulse capability.


Quality 30kV Oil Immersed Transformer With Stable Operation Three Phase Two Winding for sale
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