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220kV High Voltage Current Transformer from China Factory - Trusted Suppliers for Reliable Measurement Solutions
Current Transformer
Current transformer (CT for short) is the device which could transfer and measuring the current according to the principle of electromagnetic induction.
Composition of Dry-Type CT
This manufactured dry-type CT is composed of the following high-quality components:
- Primary winding and secondary winding
- Outer sheath & shell
- Capacitive main insulation structure
- Silicone rubber umbrella skirt pressure balancing cover at both ends
- Conductive wire clip
With the excellence advantages of no oil-filling, no gas-filling, no porcelain, small volume, light weight, small maintenance workload, fire and explosion protection, the dry-type CT is popularized rapidly and widely in CHINA. And due to along surface voltage distribution equality and using silicone rubber material as the outer insulation, can further improve the pollution flashover voltage.
Product Specifications
Type:
LGB series
Significance:
Dry type current transformer with protection coil
Rated Voltage:
Unit: kV
Examples:
LGB - 110: rated voltage 110 kv, dry type current transformer with protection coil.
LGB - 220: rated voltage 220 kv, dry type current transformer with protection coil.
LGB - 220: rated voltage 220 kv, dry type current transformer with protection coil.
Frequently Asked Questions
Q1What is a Current Transformer (CT)?
A current transformer (CT) is a specialized electrical device designed to transfer and measure electric current safely, operating based on the principles of electromagnetic induction.
Q2What components make up the LGB dry-type current transformer?
The LGB dry-type current transformer is constructed with a primary winding, outer sheath, capacitive main insulation structure, silicone rubber umbrella skirt pressure balancing covers at both ends, a protective shell, a secondary winding, and a conductive wire clip.
Q3What are the main advantages of using a dry-type CT?
Dry-type current transformers offer key benefits including no oil-filling, no gas-filling, and no porcelain components. They feature a compact volume, light weight, minimal maintenance requirements, and excellent fire and explosion protection.
Q4How does silicone rubber insulation improve the CT's performance?
Using silicone rubber material for the outer insulation ensures an equal distribution of voltage along the surface, which significantly improves the unit's resistance to pollution flashover voltage.
Q5What does the model code "LGB - 110" stand for?
The model designation "LGB - 110" represents a dry-type current transformer equipped with a protection coil, designed for a rated voltage of 110 kV. Similarly, LGB - 220 is rated for 220 kV.
HEADING-TYPE-1
High voltage parallel capacitors are suitable for parallel connection in AC power systems with power frequency (50Hz or 60Hz) of 1kV and above. They are used to compensate for inductive reactive power, improve power factor, improve voltage quality, reduce line losses, and fully utilize the efficiency of power generation and supply equipment.
description2
HEADING-TYPE-1
High voltage parallel capacitors are suitable for parallel connection in AC power systems with power frequency (50Hz or 60Hz) of 1kV and above. They are used to compensate for inductive reactive power, improve power factor, improve voltage quality, reduce line losses, and fully utilize the efficiency of power generation and supply equipment.
description2