Oil-immersed type current transformer
Category: Switchgear & HV CT
Brand: JGGY Electric
Model: LB7-220(W1)
Power: 220KV
FOB Port: Ningbo/Shanghai
Terms of Pyament: Western Union,T/T,Paypal
Introduction
This type of current transformer is applicable to electric power systems of 220kV and 5OHz, used for current, electric energy measuring and relaying protection.
The product is equipped with metal expander, ful-sealed structure, primary winding has U-shaped capacitor type insulation structure, low dielectric dissipation rate, low partial discharge quantity, secondary winding usually has 4~6 windings, class can be combined at random, we could produce current transformers of measurement class accuracy of 0.2S for special purposes according to user's requirements.
This type of current transformer is of outdoor type, LB7-220 s suitable for areas of altitude up to 1700m; LB7-220W type is suitable for polluted areas of altitude up to 1700m, ambient temperature is -30°C +40°C, outline and installation dimensions as shown in diagram.
The product adopts inverted structure, is composed of shell, explosion- proof sheet, machine body, bushing, base, density relay and other parts, there is shielding part inside the product that is used to improve the electric field, the secondary lead wire is connected in an airtight junction box, the shell can be divided into tee type and bell jar type two types.
The product adopts inverted structure, is composed of shell, explosion- proof sheet, machine body, bushing, base, density relay and other parts, there is shielding part inside the product that is used to improve the electric field, the secondary lead wire is connected in an airtight junction box, the shell can be divided into tee type and bell jar type two types.
The product adopts inverted structure, is composed of shell, explosion- proof sheet, machine body, bushing, base, density relay and other parts, there is shielding part inside the product that is used to improve the electric field, the secondary lead wire is connected in an airtight junction box, the shell can be divided into tee type and bell jar type two types.
The product adopts inverted structure, is composed of shell, explosion- proof sheet, machine body, bushing, base, density relay and other parts, there is shielding part inside the product that is used to improve the electric field, the secondary lead wire is connected in an airtight junction box, the shell can be divided into tee type and bell jar type two types.
Applicable for both indoor and outdoor Ambient temperature: max temperature +40℃,min temperature -40℃ Altitude:<1000m(when the altitude exceeds 1000m,the two parties shall negotiate to reach an agreement) Class of pollution: class II , III , IV
Applicable for both indoor and outdoor Ambient temperature: max temperature +40℃,min temperature -40℃ Altitude: & lt;1000m (when the altitude exceeds 1000m, the two parties shall negotiate to reach an agreement) Class of pollution: class II , III , IV
Applicable for both indoor and outdoor Ambient temperature: max temperature +40℃,min temperature -40℃ Altitude: & lt;1000m (when the altitude exceeds 1000m, the two parties shall negotiate to reach an agreement) Class of pollution: class II , III , IV
Applicable for both indoor and outdoor Ambient temperature: max temperature +40℃,min temperature -40℃ Altitude: & lt;1000m (when the altitude exceeds 1000m, the two parties shall negotiate to reach an agreement) Class of pollution: class II , III , IV
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