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Low-voltage power-factor correction capacitors
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Catalog excerpts

Low-voltage power-factor correction capacitors - 1

Power Factor Corrections Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 2

Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 3

General information on Iskra Capacitors Type Page 1. Single-phase capacitors in cylindrical aluminium housing type KNK5015 6 2. Three-phase capacitors in cylindrical aluminium housing type KNK5065 8 3. Three-phase capacitors in cylindrical aluminium housing type KNK6049 9 4. Three-phase capacitors in cylindrical aluminium housing type KNK9053 11 5. Three-phase capacitors in cylindrical aluminium housing type KNK1053 - 14 6. Three-phase prismatic capacitors type KNK9103 and type KNK9143 17 7. Single-phase prismatic capacitors type KNK9101 and type KNK9141 21 Basic of power factor correction...

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Low-voltage power-factor correction capacitors - 4

Self-Healing Capacity Routine Testing of Capacitors for power factor correction of inductive consumers (transformers, electric motors, rectifiers) in industrial networks for voltages of Cylindrical aluminium housing with metallized three-layer polypropylene film dielectric, especially treated for better impregnated with a vegetable oil which is PCB-free and biologically sealing washer linium housing interrupted wire dielectric due to fatigue which results in local breakdowns on certain points. The resultant electric current devaporises the thin metallized layer and isolates the damaged spot...

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Low-voltage power-factor correction capacitors - 5

On request, capacitors with other power and voltage ratings, shapes, possible changes. - In-rush current must be limited to maximal permitted value. - capacitor type - capacitor power - rated voltage - rated frequency - quantity and delivery terms Ordering example for three-phase TECHNICAL DATA Rated frequency: Capacitance tolerance: Losses: - dielectric: Permitted ambient temperature: Permitted storage temperature: Permitted overload: In-rush current: Test conditions: self-healing, overpressure metallized polypropylene film; sealed with plant oil, PCB-free effects of overvoltages,...

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Low-voltage power-factor correction capacitors - 6

1. Single-phase capacitors in cylindrical aluminium housing type KNK5015 Single-phase capacitor type KNK5015, 50 Hz resin filled Packing unit Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 7

Single-phase capacitor type KNK5015, 60 Hz resin filled Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 8

2. Three-phase capacitors in cylindrical aluminium housing type KNK5065 - delta connection Rated power Rated capacitance Rated current resin filled Packing unit Rated power Rated capacitance Rated power Rated capacitance Rated current Rated current Packing unit Packing unit Rated power Rated capacitance Rated current Packing unit Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 9

3. Three-phase capacitors in cylindrical aluminium housing type KNK6049 - delta connection Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 10

Three-phase capacitors in cylindrical aluminium housing type KNK6049 - delta connection resin filled Rated voltage Rated Rated Rated current and rated power capacitance at 50 Hz Rated current H Weight Packing Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 11

4. Three-phase capacitors in cylindrical aluminium housing type KNK9053 - delta connection TECHNICAL DATA Rated frequency: Capacitance tolerance: Losses: - dielectric Protection degree: Discharge time : Permitted ambient temperature Permitted storage temperature: Permitted overload: In-rush current: Test conditions: Iskra Kondenzatorji or less by discharge resistors overpressure disconnector metallized polypropylene film; sealed with plant oil, PCB-free effects of overvoltages, harmonics

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Low-voltage power-factor correction capacitors - 12

Three-phase capacitors in aluminium cylindrical housing type KNK9053 (fn = 50 Hz) - delta connection resin filled Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 13

Three-phase capacitors in cylindrical aluminium housing type KNK9053 (fn = 60Hz) - delta connection resin filled Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 14

5. Three-phase capacitors in cylindrical aluminium housing dry type KNK1053 TECHNICAL DATA Rated frequency: Capacitance tolerance: Losses: - dielectric Protection degree: Discharge time : Permitted ambient temperature: Permitted storage temperature: Permitted overload: In-rush current: Test conditions: or less by discharge resistors overpressure disconnector metallized polypropylene film; Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 15

Three-phase capacitors in cylindrical aluminium housing KNK1053 (fn = 50 Hz) - delta connection Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 16

Three-phase capacitors in cylindrical aluminium housing KNK1053 (fn = 60 Hz) - delta connection (MF) (kvar) (A) (kvar) (A) (kvar) (A) (mm) (mm) (kg) ™ Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 17

6. Three-phase prismatic capacitors type KNK9103 and type KNK9143 Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 18

Three-phase capacitors type KNK9103 and type KNK9143, 50 Hz resin filled Weight Weight Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 19

Three-phase capacitors type KNK9103 and type KNK9143, 50 Hz resin filled Weight Weight Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 20

Three-phase capacitors type KNK9103 and type KNK9143, 60 Hz resin filled Weight Weight Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 21

7. Single-phase prismatic capacitors type KNK9101 and type

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Low-voltage power-factor correction capacitors - 22

Single-phase capacitors type KNK9101 and type KNK9141, 50 Hz resin filled Weight Weight Iskra Kondenzatorji

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Low-voltage power-factor correction capacitors - 23

Basic of power factor correction 1. Capacitor power ratings for individual compensation of motors (reference values) F)atecj Power ratings of capacitor in (kvar) with respect to motor power, speed of rotation and load of'motor 3000 rev/min 1500 rev/min 1000 rev/min 750 rev/min 500 rev/min (kW) No load Full load No load Full load No load Full load No load Full load No load Full load The required capacitor power is calculated with the formula: Qn - is rated capacitor power Un - is rated motor voltage (kV) lmag - is motor magnetising of capacitor power, cross- section of supply cables, fuse...

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Low-voltage power-factor correction capacitors - 24

2. Approximate capacitor power for the compensation of reactive power Rated Power ratings of capacitor In (kvar) with respect to primary voltage and load (kW) No load Full load No load Full load No load Full load capacitors with approximately 50 % of transformer rated power reactive power. transformers, capacitors with power are used for compensating reactive power. of fluorescent, Naand Hg lamps, special capacitors type KNF banks, made up of these group compensation. Electrical Code and others). cables and fuse ratings with bases for capacitor protection Capacitor units must be protected...

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