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Ningbo Tianan Group Co., Ltd.

Instrument transformer, Current transformer, CT manufacturer / supplier in China, offering 33kV KEMA Tested Current Transformer, 110KV Three-Phase Oil Immersed Power Transformer, Emergency Power Transmission Distribution Movable Transformer Substation / 35kv~132kv Prefabricated Mobile Substation and so on.

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33kV KEMA Tested Current Transformer

FOB Price: US $1,500-1,800 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1,500-1,800/ Piece
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Port: Ningbo, China
Production Capacity: 50000
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: LVB-35
  • Type: Current Transformer
  • Operation Condition: Outdoor
  • Winding Form: Single Layer & Tightly Wound Type
  • Installation: Strut Type
  • Voltage Transformation Principle: Electromagnetic Type
  • Transport Package: Wooden Case
  • HS Code: 8504311000
  • Application: Instrument
  • Phase: Single
  • Usage: Measurement
  • Insulating Medium: Insulating Oil
  • Magnetic Circuit Structure: Single Stage Type
  • Trademark: TIANAN
  • Origin: China
Product Description
1. Measurement precision can be up to 0.1 and 0.2S grades.
2. Primary coil has a through -type conducting rod structure with good dynamic and thermal stabilityy; its maximum thermal current can be up to 63kA/3s.
3. Secondary coil is fixed in an aluminum shielded-case by casting organic materials; secondary measurement and protection circuits can be safer and reliable.
4. Partical discharage test is carried out under power frequency test voltage. The result is better than the requirement of IEC.
5. Use the automatic vacuum drying treatment system produced by LEYBOLD in Germany. The dielectric dissipation factor of complete product tanδ is less than 0.4%.
6. External insulation uses a high-strength porcelain.
7. Secondary terminal box is a complete structure by casting the aluminum alloy; its sealing structure meets the requirement of IP55, which is dust proof, water proof and air permeable.
8. The materials of all components are cast alunimum or stainless steel, including the base, connection box, stainless steel expander and nameplate etc do not rust forever.
9. This product is free-maintenance.
Technical parameters
Highest voltage for equipment kV40.5
Rated frequency Hz50/60
Rated power-frequency withstand voltage (r.m.s) kV95
Rated lighting impulse withstand voltage (full wave) peak kV200
Rated lighting impulse withstand voltage (chopped wave) peak kV230
Flashover distance mm500
Creepage distance mm1256
Rated primary current (maximum) A4000 (8000)
Rated secondary current A1;5
Accuracy classes (they can be combined if necessary)0.1; 0.2; 0.5; 0.2S; 0.5S;5P; 10P; TPY; TPS
Rated output VA10-50
Safety factor FS5; 10
Accuracy limit factor ALF10;15; 20; 30
Short-time thermal current (Maximum) kA50kA/ 3s (in series)
Dynamic current (maximum) kA125
Allowable mechanical load of transformer (static) N3000
Allowable mechanical load of transformer (Dynamic) N5000
Outline and installation dimensionsFig. 1
Net weight kg170
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Ms. Deng Lili
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