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Products » Magnetec’s Materials » COOL BLUE Cores »

COOL BLUE Cores

COOL BLUE® cores made of NANOPERM® nanocrystalline material are used to decrease voltage and current surges being capable to destroy motors in modern powerful inverter systems operating at high switching frequencies.

Voltage and current surges cause a premature wear and failure of motors and generators.

COOL BLUE Cores

COOL BLUE Cores

Filters intended for protection of motors are issued in variety of constructions.

COOL BLUE Cores

Advantages of filters made on COOL BLUE® nanocrystalline cores are:

  • Low stray inductance
  • Small size
  • Simple ways of manufacture, installation and deinsallation
  • Low prices
  • Low expenses for cooling

For each electric drive approximately 3 – 4 cores are required.. Three phase cables of electric drive are passed through COOL BLUE® nanocrystalline cores. Common (neutral) wire is output separately. Internal diameter of necessary cores is determined according to cable’s diameter. When technically possible, it is recommended to check peak values of current (Ic) values before final assembly. If this current’s value exceeds values specified in the table, number of cores should be increased.

If it is impossible to measure a value of (Ic) , necessary number and sizes of cores may be selected in experimental way. 3 – 4 cores are put on each phase cable. If during operation the temperature of cores exceeds 120°С, number of cores should be doubled. If the temperature remains high and exceeds 120°С, it is necessary to select COOL BLUE® nanocrystalline cores with great standard sizes.

COOL BLUE Cores

Geometrical Dimensions and Electromagnetic Parameters

Geometrical dimensions and electromagnetic parameters of COOL BLUE® nanocrystalline cores issued by Magnetec Co. (Germany).

Standard Size Core’s dimensions do x di x h [mm] Dimensions in protective casing OD x ID x H [mm] LFe [cm] AFe [cm²] Al @ 10kHz
[uH]
Ic*
[A]
M-112 63 x 50 x 30 68 x 43 x 36 17,7 1,44 23,3 - 46,6 4
M-378 75 x 50 x 30 80 x 43 x 36 19,4 2,78 37,3 - 74,6 5
M-113 80 x 63 x 30 85 x 57 x 35,5 22,4 1,86 24,1 - 48,2 6
M-283 80 x 63 x 30 OVAL 22,4 2,04 24,1 - 48,2 6
M-114 100 x 80 x 30 105 x 75 x 35 28,2 2,25 22,5 - 45,0 8
M-284 100 x 80 x 30 OVAL 28,2 2,25 22,5 - 45,0 8
M-142 130 x 100 x 20 OVAL 37,0 2,12 16,0 - 32,0 9
M-115 130 x 100 x 30 135 x 94 x 34 35,9 3,33 24,6 - 52,9 9
M-116 160 x 130 x 30 165 x 123 x 34 45,4 3,24 20,9 - 45,0 12
M-302 160 x 130 x 30 OVAL 45,4 3,24 20,9 - 41,9 12
M-117 200 x 175 x 30 208 x 166 x 37 58,8 2,74 12,3 - 24,6 16
M-111 236,5 x 201 x 30 OVAL 69,6 3,94 14,5 - 29,9 20
M-248 300 x 254 x 30 OVAL 87,1 5,20 15,8 - 31,5 22
M-205 300 x 250 x 30 304 x 246 x 34 86,2 5,85 18,0 - 36,0 23
M-503 500 x 450 x 30 513 x 437 x 37 149,1 5,6 8,0 - 20,0 40

Operating temperature range: -40…+120°С.
C coating type – protective plastic casing.

 
NORTH-WESTERN LABORATORY: NEWS
 
05.06 09 
Epcos has developed a new N95 power ferrite material with an exceptionally low power loss.



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New Epcos ferrite ring core sizes : N87 R20*12*6 and N87 R28*16*9



02.02 09 
New Epcos ferrite E core size : N87 E16/8/7,8 B66502GX187



 
 


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