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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

BATLVFS1000 775-1000 kvar(LVFS600+LVFS400) AUTOMATIC CAPACITOR BANKS WITH FILTERS WITH THYRISTORS

c aracterísticas técnicas /t eChniCal CharaCteristiCs
Tensión nominal/Rated voltages....................440 V 50 Hz - 60 Hz
Regulador/Controller ..............................PFCL Fast
Programa trabajo/Working program .............10 opciones/options
Condensador/Capacitors ...............................Tipo/Type FMLF o/or POLB HD 7%
Reactancias/Reactors ......................................Tipo/Type INA
Protección esc./Protection steps .....................Fusibles/Fuses NH00
Grado IP/Degree of protection ...................
Color/Colour .....................................................Gris/Grey RAL 7035
Instalación/Installation ....................................Interior/Indoor
Montaje/Assembly ...........................................Sobre suelo/Floor mounting
TI externo/External TI ..................................... .../5 (no incluido/not included)
Dimensiones/Dimensions .................................2100x650x1900mm
Acometida/Connection ...................................2 acometidas/incoming
a ccesorios /a CCessories
Main switch or Circuit breaker
Protección diferencial / Leakage protection

 

Part number Qn (kvar)
440 V
Composition Steps Program Qn (kvar)
400 V
(kg)
Weight
Price ()
BATLVFS100440775 775 25+50+7x100 31x25 1.2.4. 640 1005 29.943,12
BATLVFS100440800 800 50+50+7x100 16x50 1.1.2. 661 1020 30.666,61
BATLVFS100440850 850 50+8x100 17x50 1.2.2. 702 1050 31.406,82
BATLVFS100440875 875 25+50+8x100 35x25 1.2.4. 723 1075 32.034,12
BATLVFS100440900 900 50+50+8x100 18x50 1.1.2. 744 1090 32.703,24
BATLVFS100440950 950 50+9x100 19x50 1.2.2. 785 1120 33.916,02
BATLVFS100441000 1000 10x100 10x100 1.1.1. 826 1145 34.279,85

Other ratings, voltages and frequencies available on request.

Static Capacitor Banks
DESCRIPTION
Traditional reactive power compensation equipment with electromechanical contactors, has a well proven performance in installations where the load has, slow variations and it is not very sensitive to voltage fluctuations. Today, however, more and more industrial installations include electronic equipment very sensitive to voltage variations (PLC, computers, etc.) And also very fast changing working cycles (automatic welding machines, robots, etc.).
Reactive power compensation with static contactors offers the best answer to these new industry requirements.
LIFASA automatic capacitor banks with static contactors, use thyristors instead of traditional contactors. The thyristors switch-on capacitors on zero crossing voltage, and switch them off on zero current situation.
This firing strategy grants a totally transient free switching of power capacitors, avoiding any problem with transient overvoltages.
This transient free switching gives a very fast reaction time of the power factor equipment with sudden reactive power demand variations. This reaction time (the time to switch on or off a capacitor step) is usually not higher than 20 milliseconds. This means that up to 25 operations per second are possible.
GENERAL CHARACTERISTICS
LIFASA automatic capacitor banks with static contactors are supplied completely assembled and ready for use: it is only necessary to give them the operation signal from a suitable current transformer, and to connect them to the mains by cables of adequated section. They are composed of the following elements:
Reactive power Controller
These banks use the MCE-F controllers, that are a fast response variation of the MCE series of controllers. These controllers are specially designed for the control of thyristor capacitor banks and are characterized by their optically isolated outputs and also for having an extremely fast response time that can be up to 20 milliseconds.
Control Module
It is formed by an electronic control circuit, that gives the firing pulses to the thyristors to switch on at zero voltage point and to switch off at zero current situation. The control module is assembled on a printed circuit board and receives the action signal from the MCE controller.
Power Module
It is formed by three pairs of thyristors in anti-parallel connection, mounted and assembled on well dimensioned heat sinks, protection fuses and limiting inductances.
Capacitors
These banks use the six terminal versions of FILMETAL and MINIFILMETAL series of power capacitors.
Technical Characteristics

Rated voltages

440V

Rated frequency

50 Hz/60 Hz

Rated power

7.5 ... 960 kvar

Dielectric losses

< 0.2 W/kvar

Capacitors losses

< 0.5 W/kvar

Maximum overvoltage

1.1 Un

Maximum overcurrent

1.3 In

Controllers

MCE-12 F

Switching on delay

20 ms (typical)

Working programs

1:1:1:1 / 1:2:2:2 / 1:2:4:4

Current transformer

... /5 (Optional)

Temperature range

-25oC/+45 oC max. temp.

Degree of protection

Installation

Indoor

Standards

, , ,

Other voltages on request.

 

Protection Filters
Protection filters
Protection filters are used, in supply networks having a high level of harmonic distortion, when the final objective is reactive power compensation at the fundamental frequency.
Their purpose is to avoid that harmonic currents overload the capacitors by diverting them to the mains. Protection filters are made by connecting reactors in series with capacitors, in such a way that the tuning frequency of the whole unit is set at a value between the fundamental frequency and the frequency of the lowest present harmonic, which is usually the 5th order harmonic. In this the filter has a high inductive impedance for all the harmonic frequencies.
Connection of a reactor in series with a power capacitor, makes the capacitor to work at a voltage higher than the supply voltage. Because of this, capacitors to be connected to protection reactors, need to be designed to work at higher voltages than standard capacitors. The choice of the tuning point of the filter is a balance between the quantity of harmonics rejected by the filter and the voltage increase produced in the capacitor at the fundamental frequency.
It has to be also kept in mind that reactive power supplied by the filter at rated frequency (50 or 60 Hz), is different to the one that the capacitor would supply without the reactor.
Taking all the above into account, the reactor is normally chosen in such a way that its impedance is about 7% the impedance of the capacitor that protects. This will give a tuning frequency, for example at 50 Hz, of 189 Hz. Other tuning frequencies are also available.

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