PFCHT48C4S572T datasheet(4/5 Pages) CDE

Part #	PFCHT48C4S572T

Description	3-Phase AC Power Harmonic Filter Capacitors

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Manufacturer	CDE [Cornell Dubilier Electronics]

Direct Link	http://www.cde.com

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Performance Notes

R

s: Equivalent series resistance – Ohmic resistances (Ohm)

Dielectric Dissipation Factor: tan δ (Polypropylene: 0.0002)

T

hs : Hot spot temperature within the capacitor: Ths = Ta + (Ptotal · 280 / SA)

T

a: Ambient temperature

R

th: Thermal resistance: °C/ Watt, indicates hot spot temperature rise due to power dissipation losses

P

max: Maximum power dissipation: Pmax = (85 ºC - Ta) / Rth (Watts)

P

Total: Total Power generated by Dielectric and Ohmic Losses: P = Vpeak

2 .

C . TT . F .DF (Watts)

given Voltage

P = I2 . [R

s

+

(X

C

.

DF)] (Watts)

given Current

Where P

Total = PFund + PHarm1 + PHarm2 + .... + PHarm

∞

Design life: 60,000 hours 94% survival T

hs: 85 °C

0.8

0.85

0.9

0.95

1

1.05

1.1

1.15

1.2

1000

10000

100000

1000000

Expected life time (h)

Expected lifetime vs. applied voltage and ambient temperature

85 ºC

80 ºC

70 ºC

60 ºC

Expected lifetime vs. applied voltage and hot spot temperature

Type PFCH, 3-Phase AC Power Harmonic Filter Capacitors

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PFCHT48C4S572T Datasheet(PDF) 4 Page - Cornell Dubilier Electronics

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