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LT APP Power Capacitors from

General Introduction


The energy metering devices record active and reactive energy consumption. The electricity suppliers generally show the term tan or cos on their bill. Unlike the cos , it is easy to see that the value of tan should be as small as possible in order to have the least reactive energy consumption.

Reactive power compensation gives you the following benefits:
• Savings on electrical equipment, a decrease of the power demand.
• An increase in available power of the supply transformer.
• Lower voltage drops and Watt losses in cables.
• Savings on electricity bills by eliminating reactive energy consumption.
• The reduction of subscribed power KVA (if available)


To compensate for reactive power, it is necessary to provide reactive power by installing compensation equipments instead of taking it from the main distribution. If the value of reactive power to compensate it is small compared to the total apparent power of all the loads (Qc/St<15%), we can choose fixed type compensation equipment. If this value is higher (Qc/St>15%), it is advisable to choose an automatic compensation equipment.

Application & Features


These capacitors are suitable for Three phase power Factor correction where there is Dynamic fluctuation of the load and system Voltage variation is around 20%.

Features of the capacitor:

  • Manufactured by using imported hazy BOPP film as main dielectric
  • High purity (>99%) Aluminium Foil used as Electrode for high current inrush
  • Internal fuse to each element is possible for better safety
  • Robust & Highly reliable capacitor performance
  • Guaranteed output for a longer period i.e. 10-15 years



Types



APP Capacitor Units

These capacitors are available in both cylindrical and box type variants and are mostly used for fixed or automatic compensation of light loads.

Specifications:
Range 5-50 KVAR
Type APP type - Ultra Heavy Duty
Standard IS 13585-1994,IEC 60931-2002
Rated Voltage 415-1000 Volts
Rated Frequency 50/ 60 Hz
Over Current 3.0 x I n
Inrush Current 500 x In
Operating Losses (Dielectric) < 0.2 W / KVAR
Operating Losses (Total) < 0.5 W / KVAR
Capacitance Tolerance 0% To +10%
Protection Class/Type IP52 with terminal cap
Temperature Category -25° to 70°C
Discharge Resistor Special Design Internal Discharge.Resistance 50 V In Less Than 60 Sec
Cooling Natural or forced air cooling
Safety Features Internal Fuse
Test Voltage Terminal to Casing U≤ 660 V: 3000V AC 10 Sec, U = 660 V :6000V AC 10 Sec
Impregnation Non PCB, Biodegradable Oil
Casing Sheet Steel
Terminals Porcelain Bushing
Discharge Resistors / Time Discharge Resistors fitted,Standard discharge time 60seconds, Other discharge times on request
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APP Capacitor Banks

Banked units proviing KVAR outputs over 50 KVAR with terminal cover. Banking can be done using Al or Cu bus bars as required. Optional incoming protection using HRC fuses or MCCB.

Specifications:
Range 50-500 KVAR
Type APP type - Ultra Heavy Duty
Standard IS 13585-1994,IEC 60931-2002
Rated Voltage 415-1000 Volts
Rated Frequency 50/ 60 Hz
Over Current 3.0 x I n
Inrush Current 500 x In
Operating Losses (Dielectric) < 0.2 W / KVAR
Operating Losses (Total) < 0.5 W / KVAR
Capacitance Tolerance 0% To +10%
Protection Class/Type IP52 with terminal cap
Temperature Category -25° to 70°C
Discharge Resistor Special Design Internal Discharge.Resistance 50 V In Less Than 60 Sec
Cooling Natural or forced air cooling
Safety Features Internal Fuse
Test Voltage Terminal to Casing U≤ 660 V: 3000V AC 10 Sec, U = 660 V :6000V AC 10 Sec
Impregnation Non PCB, Biodegradable Oil
Casing Sheet Steel
Terminals Porcelain Bushing
Discharge Resistors / Time Discharge Resistors fitted,Standard discharge time 60seconds, Other discharge times on request
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