DC-Link Capacitors, DHE Series ,Capacitance 430uf – 3200uf, Voltage 700vdc – 4000vdc
Description
DC-Link Capacitors, DHE Series ,Capacitance 430uf – 3200uf, Voltage 700vdc – 4000vdc
MAJOR APPLICATION:
Widely used in wind power, solar energy, new energy vehicles,UPS, SMPSs, power inverter, welder power supply and other
equipment from the coupling blocking / filtering or DC-Link.
GENERAL TECHNICAL CHARACTERISTICS:
Dielectric : Polypropylene film
Construction : Dry construction, filled by solid resin
Non-inductive type
Case : . Aluminium case
Leads: Tinned insert M6 or M8 filled with resin
ELECTRICAL CHARACTERISTICS:
Working temperature : – 40 to + 85 ℃
Capacitance : 33to 3200μF
Rated Voltage : 700~4000Vdc
Tolerance : ± 5%, ± 10%
Dissipation factor: mesured at 1000±20 Hz AND 25±5℃. When Cr≤1.0µF， 4×10-4； When Cr>1.0µF， 6×10-4 Life expectancy: 100,000 hours at Un and 70℃ (Hotspot temperature)
TEST METHODS AND PERFORMANCES:
Dielectric strength: 1.5Ur (DC) applied for 10s at 25±5℃
(1 Minute for type test)
Test voltage terminal to case :3000Vac,(10s 50Hz 20± 5℃)
Insulation resistance : 3000s but need not exceed 30GΩ
(typical value)，after 1 minute of
electrification at 100Vdc (25±5℃)
PROTECTION AGAINST OVER VOLTAGES:
1.1 × Un 30% of the service period
1.15 × Un 30 min/d
1.2 × Un 5 min/d
1.3 × Un 1 min/d
1.5 × Un 100 ms no more than 1000 times
EXPECTED LIFE:
STANDARD PART NUMBER:
