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Electric 11kv Current Transformer
  • Electric 11kv Current TransformerElectric 11kv Current Transformer
  • Electric 11kv Current TransformerElectric 11kv Current Transformer
  • Electric 11kv Current TransformerElectric 11kv Current Transformer
  • Electric 11kv Current TransformerElectric 11kv Current Transformer

Electric 11kv Current Transformer

The Dahu Electric 11kv Current Transformer plays a key role in the indoor switch cabinet, providing a powerful solution for current measurement, electrical energy monitoring and protective relays in single-phase and three-phase AC systems. These systems operate seamlessly at frequencies of 50Hz or 60Hz, meeting a wide range of electrical requirements for equipment voltages up to 12kV.

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Product Description

Cold-Rolled Silicon Steel Sheets: Dahu Electric 11kv Current Transformer commonly utilize cold-rolled silicon steel sheets for their core. These materials are cold-rolled and have excellent magnetic properties, such as high permeability and low core loss, which makes them ideal for current transformers. By using a cold-rolled silicon steel sheet as the core material, the current transformer can achieve efficient energy transfer, thereby improving the efficiency of the system. Compared to other materials, cold-rolled silicon steel sheets have lower hysteresis loops and magnetization losses, which means less energy waste and less power consumption. Therefore, the current transformer using this material can reduce the operating cost of the system and extend the service life of the equipment. In general, cold-rolled silicon steel sheets play an important role in power systems, providing reliable support for energy transmission and power measurement..


Epoxy resin: Epoxy resin has excellent dielectric properties and mechanical strength, is the first choice of 11kV current transformer insulation material. Epoxy castings provide reliable insulation that protects internal components from electrical breakdown and environmental factors..


Copper : Copper conductors are typically used for windings in 11kV current transformers. These materials offer high electrical conductivity and mechanical durability, enabling efficient transmission of current signals while withstanding operational stresses.


Material (Epoxy Resin ): 11kV current transformers are housed in enclosures made of epoxy resin. Epoxy resin has excellent insulation properties, can effectively prevent current or voltage crossing, to ensure the safe operation of the circuit.


It has high temperature resistance and can adapt to the working requirements in high temperature environment.It has good corrosion resistance, can resist the erosion of some chemical substances, and extend the service life of the transformer.


It has good sealing performance, so the epoxy transformer usually has good waterproof and moisture-proof performance and is suitable for use in humid environments.Compared to traditional oil-immersed transformers, epoxy transformers generally have a lighter weight and are easy to install and maintain.


Dahu Electric 11kv Current Transformer Parameter

1. Application Metering
2 Installation Indoor
3. Construction Dry type Epoxy Resin Cast
4 Insulation Cast Resin
5. Number of Phase Single
6. Rated Frequency 50 Hz
7. System Primary Rated Voltage 11 kV Phase to Phase
8. Maximum System Voltage 12 kV Phase to Phase
9. System Earthing Effectively earthed
10. Basic Insulation Level (1.2/50 μ sec. 75 KV
11. Power Frequency Withstand Voltage (1 min.50
Hz)
28 KV
12.
13.
Ratio:
11kV Feeder
Primary
10-20/5A
Single Winding
14. Secondary Single Winding
15. Accuracy Class 0.2/0.25 for Measurement
16. Burden
a)for Measurement
7.5-10 VA
17. Short Time Current Rating Minimum 10 kA for 1 Sec
18. Extended Curent Rating 120%of Rated Current
19. Over Current Rating <10A
20. Creepage Distance 25 mm/KV(minimum
21. Standard Design,Manufacture,Testing,Installation
and Performance shall be in accordance to
the latest editions of IBC 61869-1 &IEC
61869-2




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