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 JDZ(J)-3,6,10Q current transformer

Description and meaning of model

The voltage transformer of this type epoxy resin cast of a semi-enclosed products indoors applies to the rated frequency 50Hz rated voltage 10kV and below the power system voltage,energy measurment and relay protection.

Characteristic of structure

JDZ(J)-3.6 the 10Q type transformer cast in epoxy resin semi- closed the whole insulation products.The core quailty cold-rolled silicon steel sheet piled.Tramsformers insulated by the epoxy resin composition ,small size ,light weight .installion accounts for only a limited space .Winding fully cast in epoxy resin has excellent insulating properties,impact resistance and mechanical stress,and can protect the winding from moisture.The primary winding is a sign of lead terminals A and B ,a sign of the secondary winding lead wire terminals a,b,are a clear note on the casting body into.Dolder on the ground sign next to the grounding bolt for grounding the lower bracket for mounting.The overall structure is compact,easy to use .JDZ(J)-3,6,10Q type voltage transformer connection symbol 1/1/1/-12=12 three single -phase voltage transformer connection groups for YO/YO/12-11(residual voltage winding open triangle)

Technical Data

1.Rated insulation level 12/42/75kV(surface condensation and artificial class II filthy conditions)

2.the load power factor 0.8lag

3.Rated secondary current of 5A

4.product standard:GB1208 the

5.Safety factor:FS<10

6.Surface creepage distance:to meet the gradeII pollution class requirements

7.Other parameters see table below

Technical parameters of double windings and double ratios

Type Rated voltage ratio Rated output Limit output Reted insulation level
0.2 0.5 1 3 6P
JDZ-3Q 3/0.1 15 30 50 100 200 3.6/25/40
JDZ-6Q 6/0.1 20 50 80 200 400 7.2/30/60
JDZ-10Q 10/0.1 30 80 120 300 500 12/42/75
JDZJ-3Q 3/√3/0.1/√3/0.1/3 15 30 50 100 50 200 3.6/25/40
JDZJ-6Q 6/√3/0.1/√3/0.1/3 20 50 50 100 50 400 7.2/30/60
JDZJ-10Q 10/√3/0.1/√3/0.1/3 20 50 80 150 100 400 12/42/75
Outline dimension

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