Co Base Amorphous DC Immune Current Transformer For Energy Meter

Product Overview

Description

 

Features:

1. Adopted high permeability core,high accuracy excellent linearity performance.

2.Fully enclosed,with high function of current isolation and nice outline.

3. Flexible wires as primary.Can connect types of terminals.

4. Linear output with accurate current. Can realize for multi ratio output.

5. DC immunity.

6. Encapsulated by mold Injection of environmental plastic. Anti-erosion and excellent seal

 

Main Application:

· DC Current immunity transformers in electronic energy meter /watt-hour meter;

· Metering transformer in electronic power system.

 

Description:

1. Electrical Parameters

1. Ambient temperature: -40°C ~ +75°C.

2. Insulation resistance: ≥1000MΩ(DC500V).

3. Dielectric strength : 4000VAC  1mA 60S.

 

 

DC Current Immunity Core is widely used for DC resistent field, which guarantee cores will not be saturated when the original side passes a certain dc component. Currently, we have TWO Solutions for DC Immunity -- Co-Base Amorphous Single Core; Amorphous & Nanocrystalline Composite Core.

 

 

A. Co-base Amorphous Core for Energy Meter - Single Cores

Key Properties:

· Made by single magnetic materials- Co-base Amorphous, with constant permeability (µ=1400-2000)

· Strong immunity for DC current, applicable current 1.5A - 200A

· High linearity, high accuracy class, applicable transformer accuracy range 0.5-1.0 Class

· Good temperature stability

· Core size saving by Volume & Weight

 

Typical Parameter
Material	Co-Base Amorphous
Saturation flux density	Bs = 0.55 T
Initial Permeability	µo =2x104 Gs/Oe
Curie Temperature	Tc =210°C
Crystallization Temperature	210°C
Working Temperature	-40°C~+70°C
Tap Thickness	22-30µm
Saturation Magnetostriction	λs= <30x10-6
Density	ρ = 7.6 g/cm3

 

 

Standard cores dimensions, applicable CT accuracy, Maximal DC current immunity range:

 

B. Amorphous & Nanocrystalline Dual Core for Energy Meter - Composite Cores

Key Properties:

· Unique patent hold, DC current immunity composite cores with amorphous & Nanocrystalline Cores together.

· Strong immunity for DC current

· Applicable current range 1.5-200A

· Good temperature stability

With competitive price and good qualityStandard cores dimensions, applicable CT accuracy, Maximal DC current immunity range:

 

 

We design & produce goods based on cients special drawing and specification, parameter needed including:

1-What is the rate current and max current at primary ?

2-Core size and hole of CT size

3-The accuracy of the transformer .

 

Our Partner:

Top Supplier for Value Customers:

 

Manufacture:

 

 

Certificates:

 

Safe Package:

 

Addr :No.1 JiShan BuXia Lu,TianHe District, Guangzhou City, China
Tel :+86-20-85649266
Fax :+86-20-85649263
E-mail :sales2 @ coilcore.com
Skype :sales2 @ coilcore.com
whatsapp / Wechat:+8615018791976