FDGE8 Dry Type Discharge Coil

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Description

 

The FDGE8 semi-enclosed dry type discharge coil is cast in epoxy resin and semi-enclosed structured. The products are used for single-phase electric power systems of 50/60Hz rated frequency and rated 12kV rated voltage, parallel connecting with high voltage capacitor group. The product can reduce the residual voltage of capacitor group to a safe voltage in 5 seconds after capacitor group is cut off from the electric system. When the coil is working normally, the secondary winding can act as voltage indicator. FDGE8 can be custom manufactured to combine residual winding for protecting relay purpose. The products are used for indoor mounting.

FDGE8 Dry Type Discharge Coil

Ambient condition

  1. Ambient temperature: -5 ~ 40 ;
  2. Altitude: 1000m;
  3. Relative humidity: below 90% in a period of a month, below 95% in a period
    of 24 hours.
  4. Dry, indoor conditions of installation, free from dust, smoke, corrosive gases, vapors or salt.
  5. No serious chattering of bump of installation environment.

 

Model

FDGE8 Dry Type Discharge Coil

Parameters

 

Main Technical parameters

  1. The products are in accordance with standard DL/T653-1998 «specification of discharge coils for high voltage parallel connection capacitor for order».
  2. Rated power factor of burden: 0.8 (lagging).
  3. Surface creepage distance: 300mm and above.
  4. The following table shows standard values for this model.

Solutions

 

Structure feature

Products of this model are in iron core semi-casting type construction. The cores are made of high quality and piled silicon steel slices. The products are small, light, low in no-load potential, capable of over voltage resistance, convenient to install and free of maintenance. It is alternative to oil-immersed type discharge coil.

 

Outline dimension

FDGE8 Dry Type Discharge Coil

We offer current and voltage transformers with a full range of current ratios, accuracy classes, and mounting options to suit any industrial or utility-grade power distribution project.

  • Certified to IEC and GB standards
  • OEM and custom labeling available
  • Tested for partial discharge, insulation resistance, and ratio error
  • Ideal for panel builders, switchgear manufacturers, and EPC contractors

 

METTZ Group stands as a consortium of Chinese electrical firms, renowned for its expertise in manufacturing electrical equipment. We are specialized in crafting a comprehensive suite of transmission and distribution equipment, covering a wide voltage range from 0.4 to 40.5 kV. Our commitment lies in delivering reliable and stable products to our clientele, encompassing vacuum circuit breakers (VCB), gas-insulated switchgear modular units (RMU), solid insulated switchgear (SIS) panels, air insulated switchgear (AIS) panels, and dry compressed air insulated switchgear panels (DIS) and components for each type of products.

Since our inception, METTZ Group has been at the forefront of adopting international cutting-edge technologies and equipment. We pride ourselves on our extensive collaboration and dialogue with leading experts in the electrical technology sector, both within China and internationally. Our offerings are tailored to meet the specific needs of our clients, including Original Equipment Manufacturer (OEM) services, customization of products to unique parameters and dimensions, all in alignment with our customers’ specifications.

METTZ Group is dedicated to innovation, quality, and customer satisfaction, ensuring that we remain a preferred partner for electrical equipment solutions worldwide.

  

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