Electrical Core Nanocrystalline Core for High Voltage Instrument Current Transformer

Product Overview

Description

 

 

Key Properties:

1. Higher permeability for higher measuring accuracy (when compared with silicon steel core)

2. Excellent to replacement of Mu-metal

3. High Bs,  1.2T

4. lower manufacturing costs (when compared with permalloy)

5. Long durability range  -30°C ~ + 180°C

 

Typical Parameter
Saturated Induction Density	Bs = 1.2 T
Material Permeability	µo >8x104 Gs/Oe
crystallization temperature	Tx >510℃
Vickers Hardness	Hv= 880 kg/mm2
Curie Temperature	Tc >570°C
Density	ρ = 7.2 g/cm3
Electrical Resistivity	r = δ ≥130µΩcm
Thickness	29~35µm
Lamination Factor	0.75~0.82

 

Materical	Silicon Steel	Nickel Iron		Ferrite	Amorphous		Nano Crystalline
		50Ni	80Ni	Mn-Zn	Cobalt Iron	Fe Iron
Bs (T)	2	1.55	0.74	0.5	0.58	1.65	1.2
HC (Oe)	0.5	0.15	0.03	0.1	0.005	0.03	0.1
Initial Permeability (µo)	1500	6000	>40000	3000	>60000	5000	>100000
Max. Permeability (µm)	2 x 104	6 x 104	2 x 105	6 x 103	1 x 106	5 x 104	1 x 106
Resistivity	50	30	60	106	120	130	80
Curie Temperature (°C)	750	500	500	140	225	400	570
Crystallization	-	-	-	-	530	510	510/570

 

 

Main Application:

Instrument current transformer Core with accuracy class 0.2, 0.2s, Bushing current transformer for Epoxy resin cast, Gas insulated or oil-immersed switch-gears, LV, MV and HV switch-gear, power system, relay protection system, power monitoring devices.

  

 

Flexible Design:

1. Toroidal Shape, Rectangular Shape, Oval Shape.

 

 

 

2. Packing Method: SS+PCB(Stainless Steel+Plastic); DMC (Plastic), Epoxy Resin Coating, Crepe Paper, PMP, DMP, glass cloth ,etc.

 

 

3. Customised Size as request. Our Common Standard for your first reference as below:

 

 

 

We can design & produce goods based on specifications & drawing, specification needed including:

1. Bare core size, Size finished

2. Current Transformer Turns Ratio

3. Capacity (VA)

4. Accuracy