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BATLVF400 150-400 kvar AUTOMATIC CAPACITOR BANKS WITH FILTERS WITH STANDARD CONTACTORS

c aracterísticas técnicas /t eChniCal CharaCteristiCs
Tensión nominal/Rated voltages....................440 V 50 Hz - 60 Hz
Regulador/Controller ......................................Master
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 ...................IP21
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 .................................900x650x1900mm
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 ()
BATLVF4044150 150 25+25+2x50 6x25 1.1.2. 124 355 6.918,66
BATLVF4044175 175 25+50+100 7x25 1.2.4. 145 365 7.564,58
BATLVF4044187 187.5 12.5+25+50+100 15x12.5 1.2.4.8. 155 375 7.803,00
BATLVF4044200 200 50+50+100 4x50 1.1.2. 165 380 8.063,10
BATLVF4044225 225 25+50+50+100 11x25 1.2.2.4. 182 390 9.103,50
BATLVF4044250 250 50+2x100 5x50 1.2.2. 207 390 8.813,00
BATLVF4044275 275 25+50+2x100 11x25 1.2.4. 227 400 9.406,95
BATLVF4044300 300 50+50+2x100 6x250 1.1.2. 248 410 10.031,19
BATLVF4044350 350 50+3x100 7x50 1.2.2. 289 430 10.646,76
BATLVF4044400 400 4x100 4x100 1.1.1. 331 460 11.860,56

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

IP 31

Installation

Indoor

Standards

IEC 60831, EN 61921, IEC 60439, EN 60439

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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  • 防护滤波器Protection filters
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