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33-220kV SF6 gas CT &VT

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33kV SF6 Gas Inductive Voltage Transformer

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33kV SF6 Gas Inductive Voltage Transformer

JDQX-36W3

Category

SF6 gas VT

Keyword:

SF6

Voltage transformer

Inductive

Outdoor

Single phase

 Domestic Sales： 0086-0411-83199993

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33kV SF6 Gas Inductive Voltage Transformer

Product description

Scope

◆It is outdoor, single phase and SF6 inductive voltage transformer, which is used for metering and relay protection of 33～230kV, 50 or 60Hz system.

Standards

◆IEC 61869-1; IEC 61869-3

Service conditions

◆Ambient temperature: -40～+45℃

◆Altitude: ≤1000m (If above 1000m,the product will be customized according to user’s request)

◆Pollution level: II, III, IV

Design features

◆The product adopts case-type structure. The equipment body is placed inside the case. Its central part adopts silicone rubber composite insulator or high strength porcelain insulator. Top is equipped with primary Terminals

◆It has a pressure-relief device with pressure blasting (release pressure) of 0.8MPa at side panel, free oil, no risk of explosion and free maintenance.

◆The layer insulation consists of high strength composite insulation of diamond polyester film and gas SF6, no aging and has a function of insulation restoring.

◆Density meter is mounted on the base which can show the transformer internal gas pressure (display value automatically converted to internal gas pressure at 20 ℃) and density, when transformer internal pressure drops down to alarm level, gas should be replenished.

◆Optimized designs for external insulation make inner and external electric field distribute evenly without discharge. Two type insulators are offered for user.

1. Composite insulator

2. High strength porcelain insulator

◆Sealing ring adopts special material for SF6 gas which is applicable to a area with large temperature difference and harsh environment , annual leakage rate is less than 0.5%.

◆This product adopts the magnetic material with high saturation magnetic density, advanced technology and excellent insulation design make our product present a capacitive status under special voltage .

◆All adopted insulation parts are environmental protection material.

◆Secondary terminal board is made of epoxy casting, the seal performance is more reliable.

◆The base uses spray painting or hot galvanizing, which gives a high degree of corrosion resistance.

◆Fasteners and nameplate are stainless steel.