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原FMD系列產品已升級換代為FML系列,國內常用的原FMD4050的替代型號為FML4460,本公司常備FML4460現貨,歡迎有該產品需求的客戶隨時與我們聯系。同一產品適用于不同電壓等級,為客戶提供更多便利;產品尺寸與原來相同,便于用戶替換原使用產品,重量比原來產品有所下降;產品顏色由原來的藍色改變為灰白色(RAL7035),詳細產品資料請點擊這里瀏覽或來信來電咨詢。點擊下載產品樣本

HBF-T THIRD HARMONIC FILTER
Description
Filters HBF-T are designed for the blockade of 3rd harmonic, reducing the
currents of neutral in three-phase installation where there is installed con-
nected between neutral phase. It is basically passive filters with a parallel
combination of inductance and condenser, being his advantages of use the
following ones:
Reduction of the third overtone until a 90%.
Significant Reduction of other overtones
Reduction current of neutral absorbed
Reduction of losses in the installation
Reduction of the interferences
Improvement of the power factor
Technical Characteristics
Tensión Fase-Neutro/Phase-neutral tension ..................... Hasta/Up to 750 V
Frecuencia/Frequency .......................................................... 50 / 60Hz
Corriente nominal (IR)/Nominal current (IR) ..................... 6 ... 100 A
Corriente max. transitoria/Current max. transitory ....... 1,5 In (1min. de cada 10 minutos)/(1 min. of each 10 min.)

  • Construcción/Construction.................................................... Armario metálico/Metal Cabinet

Grado de protección/Degree of protection ...................
Color/Colour .......................................................................... Gris/Grey RAL 7035
Instalación/Installation ......................................................... Interior/Indoor
Gama climatica/Temperature range ................................ -10o a +50oC
Protección/Protection ...........................................................

Current Dimensions Price()
6A 300x200x200 926
10A 300x200x200 1.048
16A 300x200x200 1.086
25A 370x280x300 1.304
32A 370x280x300 1.368
50A 370x280x300 1.439
63A 370x420x370 1.814
100A 370x420x370 2.029


Harmonic filters HBF-T
HBF-T 6A HBF-T 10A HBF-T 16A HBF-T 25A HBF-T 32A HBF-T 50A HBF-T 63A HBF-T 100A

Harmonic Filters
These filters are used when the main objective is not the reactive power compensation at the fundamental frequency, but to reduce the harmonic distortion in the supply system.
Among the problems caused by harmonics and which may make their suppression necessary, are the following:
Interferences in telecommunications.
Distortion on the mains voltage.
Disturbances in electronic systems.
Erratic operation of control and protection relays .
Failures in transformers and motors, due to overheating caused by losses on the core.
Overheating of protective fuses to the point where a minor spike on the line causes them to blow.
It should be pointed out that the impedance of all the filters is capacitive below its tuning frequency, whereby they also contribute, even if in a small scale, to the reactive power compensation at the fundamental frequency.
Installation of filters produces a modification on the topology of the electrical supply system. For this reason, the design of filters must be done with regard to an accurate analysis and study of the whole system.
According to the application, there are different types of filters:
3rd harmonic filter HBF-T
Isolation filter
Absortion filter HAF
High pass filter HPF
Active filter SINAF 2.0

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