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LB7-110

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Product classification
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LB7-110

1. Metal expander; 2. Pressure ring; 3. Conductive bar; 4. High voltage porcelain bushing; 5. Lower the pressing ring; 6. Lifting seat; 7. Oil tank; 8. Secondary junction box; 9. Grounding bolt; 10. Oil drain valve
Category
110KV and above current transformer
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Number of views:
1000
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Product description
Parameters

Lb7-110 (W1, W2, W3, gygyw2) current transformer

1

■ Executive Standards

The product performance meets the national standard g81208 current transformer

 

■ product structure and performance characteristics  

This type of transformer is a single-phase, capacitive insulation structure. The transformer is composed of body, porcelain sleeve, metal expander, oil tank, etc. The body includes a primary winding and 4-6 secondary windings. The primary winding is in a "U" shape, and the main insulation is capacitive partial voltage insulation. The electric field is evenly distributed, the dielectric loss factor is small, and the partial discharge is low. The body is subject to advanced vacuum drying treatment, and the insulation performance of the product is stable and reliable. The primary winding is divided into two groups, and four outgoing lines are led out through the upper side wall of the porcelain sleeve, which can be easily connected in series and well outside the product to change the current ratio. The iron core is made of high-quality cold-rolled silicon steel sheet (or super microcrystalline alloy) has the characteristics of high measurement accuracy and high accuracy limit coefficient.

 

■ ordering instructions     

When ordering, please indicate the product model, rated current ratio, number and level combination of secondary windings, whether the secondary winding is equipped with tap, secondary load and antifouling level.

If the product is used in plateau area, please indicate the altitude.

For products with special requirements, please consult with our technical department.

1

1. Metal expander; 2. Pressure ring; 3. Conductive bar; 4. High voltage porcelain bushing; 5. Lower the pressing ring; 6. Lifting seat; 7. Oil tank; 8. Secondary junction box; 9. Grounding bolt; 10. Oil drain valve

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