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Technical Data<br />
LV Power Capacitors - Type HPC<br />
Standards<br />
Overvoltage<br />
Overcurrent<br />
Rated Frequency<br />
Tolerance on Capacitance<br />
Test Voltage (Terminal-Terminal)<br />
Test Voltage (Terminal-Casing)<br />
Peak Inrush Current<br />
Operating Losses<br />
Life Expectancy<br />
Degree of Protection<br />
Ambient Temperature Category<br />
Casing Temperature<br />
Cooling<br />
Permissible Relative Humidity<br />
Maximum Allowed Altitude<br />
Installation<br />
Mounting & Earthing<br />
Safety Features<br />
Casing<br />
Dielectric<br />
Terminals<br />
Discharge Resistors / Time<br />
IEC 60831-1 + 2, EN 60831-1 + 2, VDE 0560-46+47<br />
+10% (8h/24h), +15% (30m/24h), +20% (5m x 200<br />
times), +30% ( 1m x 200 times)<br />
1.5 x I n<br />
50/60Hz<br />
-5 / +10% as per standards; ± 5% as per MKS standard<br />
2.15 x U n (AC), 2 sec<br />
≤ 660V, 3000V (AC), 10 sec; > 660V, 6000V (AC), 10 sec<br />
200 x I n<br />
≤ 0.35 W/kVAr, excluding discharge resistor loss<br />
100,000 operating hours<br />
IP20, other options on request<br />
-25/D (maximum 55°C), other categories on request<br />
maximum 65°C measured on top of casing (other values on<br />
request)<br />
Naturally air cooled (or forced cooled)<br />
95%<br />
4000m above sea level<br />
Indoor, Any position<br />
Threaded M12 stud at bottom of casing<br />
Dry Technology<br />
Pressure Sensitive Disconnector for every phase<br />
Self Healing<br />
Extruded Aluminum Type<br />
Polypropylene Film<br />
Protected, Bi-directional, Three phase terminals with heavy<br />
duty clamps suitable for direct termination of 2.5 - 16 mm 2<br />
and 4 - 35mm 2 cables<br />
Resistor Module suitable for External mounting<br />
Standard discharge time range 60 -180 seconds (maximum).<br />
Other discharge times on request<br />
NOTE:<br />
1. The use of Capacitors in Electrical networks with Harmonic presence can result in overloads on the capacitor which are<br />
beyond the permissible levels. In addition there could also be the risk of resonance type effects which can cause amplification<br />
of electrical parameters. Consequently, care must be taken during the process of selecting and using capacitors in such networks<br />
as it may be necessary to install Reactor protected capacitor lines or Harmonic filters.<br />
2. The use of capacitors in Automatic Power Factor Correction cabinets involves the switching of capacitors in parallel. This<br />
can result in high peak inrush currents which are beyond the permissible levels for the capacitors. Care must be taken to ensure<br />
that the correct type of switching devices must be used to ensure that peak inrush currents are within the permissible levels.<br />
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