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PHASECAP ® AC CAPACITORS - [TECHNICAL DATA] |
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Standards IEC 831-1/96, IEC 831-2/95, EN 60831-1 +2/96, VDE 560-46+47 3/95. |
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| Overvoltage |
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Un + 10% (IEC 831-1/2), 1.3 * Un for heavy duty |
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| Overcurrent |
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1.3 * In (IEC 831-1/2), 1.5 * Un for HD |
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| Inrush current |
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100 * In (200 * In for HD) |
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| Losses (dieelectric) |
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< 0.5 W/kvar (single phase) |
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| Rated frequency |
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50 Hz / 60 Hz |
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| Capacitance tolerance |
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-5% / 10 % |
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| Test voltage, terminal / terminal |
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1.15 * Un, AC, 10 s |
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| Test voltage, terminal / case |
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up to Un < 660 V:3000 Vac, 10 s; above Un = 660 v |
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:6000 Vac, 10 s |
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| Useful life |
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80,000 h (100,000 h for HD) |
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UCT |
-25% D + 25 °C |
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| Cooling |
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natural or forced |
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| Humidity |
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max. 95% |
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| Altitude |
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3000 m asl (above sea level) |
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| Mounting Position |
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upright |
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| Mounting and Grounding |
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1 to 5 kvar (dia.8 mm)/6 to 15 kvar (dia.8*10 mm) |
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16 to 50 kvar (dia. 8 * 15 mm) |
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| Safety |
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dry technology, overpressure disconnector, self- |
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healing |
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| Discharge resistors |
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discharge module included |
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| Case |
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extruded aluminium |
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| Enclosure |
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IP41 |
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| Dielectric |
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polypropylene film |
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| Impregnation |
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non-PCB, PU resin |
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| Terminals |
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stud : 1 to 5 kvar M5; 6 to 15 kvar M6; 16 to 30 |
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kvar M8; 31 to 50 kvar M10 |
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| Certification |
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IEC 831-1 and 2, IS 2834 |
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SQUARECAP ® AC CAPACITORS - [ EXAMPLE OF A MODULE ] |
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SQUARECAP ® AC CAPACITORS - [ WINDING ] |
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The metalized polypropylene film (MPP) is manufactured in house on machines of the latest |
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technology. It consists of two sheets of polypropylene film, each with a thin layer of silver- |
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zinc-aluminum alloy on one side. Heavy edge construction of the films provides better bonding |
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between the electrode and the metal spray area to increase current carrying capability. It also |
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ensures better resistance to the electromechanical stress that occurs in switching surges. |
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The windings themselves are centered inside the can and sealed with polyurethane resin. In |
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this way ionization and corona discharge are eliminated, resulting in capacitors of highly stable |
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characteristics and long useful life. |
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SQUARECAP ® AC CAPACITORS - [ HIGH TEMPERATURE CAPABILITY ] |
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The low dissipation of MPP film combined with the superior thermal conducting properties of |
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polyurethane permits operation at temperatures up to 80°C hot spot temperature. |
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SQUARECAP ® AC CAPACITORS - [ INDUCTOR COILS ] |
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For ratings of 6 kvar and higher, each single-phase capacitor is provided with an inductor coil |
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(mounted between the offset terminal and capacitor terminal) to control inrush current to the |
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capacitor, particularly for parallel switching and automatic control applications. This feature |
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ensures long term stability of the kvar output and extended life. |
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SQUARECAP ® AC CAPACITORS - [ DISCHARGE RESISTOR ] |
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All modules are provided with resistors to discharge the modules according to IEC |
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requirements to voltages below 75V with in 3 min (IEC 83 )- J) As a safety precaution, all |
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capacitor terminals must be short circuited before handling them. |
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PHASECAP ® AC CAPACITORS - [ TRIPLE SAFETY SYSTEM ] |
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Self-healing technology, overpressure disconnector and polyurethane impregnation technology |
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contribute to reliable and safe PFC capacitor products. |
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PHASECAP ® AC CAPACITORS - [AND WHERE IT IS CRUCIAL] |
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| * LP- List Price inclusive of excise duty but exclusive of sales tax or any other taxes. |
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For Improved power quality and reduction in energy costs. |
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