IEC-60044Instrument transformers

Supply scope

• 35~500kV oil immersed inverted current transformer
• 35~500kV SF6 gas insulated inverted current transformers
• 35~500kV capacitor voltage transformer
• 35~500kV SF6 gas insulated voltage transformers for mounting in GIS
• 35~220kV inductive voltage transformers
• 10~220kV oil immersed tank type current transformers

Application: metering and protective functions in electrical power industry.

Typical specification:

• Type: Oil immersed Current transformer
• Rated ratio: 220kV
• Rated frequency: 50Hz
• Creepage distance: 7900mm
• Rated primary current:2*600~2*800
• Accuracy classes: 0.2; 0.5; 0.2S; 0.5S; 5P; 10P
• Rated power frequency withstand voltage (r.m.s):60kV
• Rated lighting impulse withstand voltage(full wave)(peak): 1050kV
• Rated lightning impulse withstand voltage (chopped wave)(peak): 1208kV

Other products:

1. oil-immersed & dry type power transformers
2. distribution transformers,
3. furnace transformers,
4. rectifier transformers,
5. substations and other kind of special transformers;
6. Generator sets;
7. H.V & L.V switchgears,
8. Gas Insulated Switchgear (GIS),
9. power cables
10. other auxiliary electrical equipments;
11. grid-connected PV systems,
12. stand alone PV systems and solar heating systems for different utilization in industry and commerce.

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