Filter and DC-link capacitors are key passive components for the power conversion system
Filter and DC-link capacitors are key passive components for the power conversion system,
Custom Capacitor supplier,
Technical data
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Operating temperature range |
Max.Operating temperature,Topmax:+85℃ Upper category temperature: +70℃ Lower category temperature: -40℃ |
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capacitance range |
60μF ~750μF |
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Un/ Rated voltage Un |
450V.DC~1100V.DC |
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Cap.tol |
±5%(J);±10%(K) |
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Withstand voltage |
Vt-t |
1.5Un DC/60S |
| Vt-c |
1000+2×Un/√2V.AC60S(min3000 V.AC) |
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Over Voltage |
1.1Un(30% of on-load-dur.) |
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1.15Un(30min/day) |
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1.2Un(5min/day) |
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1.3Un(1min/day) |
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1.5Un(100ms every time,1000times during the lifetime) |
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Dissipation factor |
tgδ≤0.002 f=1000Hz |
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tgδ0≤0.0002 |
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Insulation resistance |
Rs×C≥10000S (at 20℃ 100V.DC 60s) |
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Flame retardation |
UL94V-0 |
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Maximum aititude |
3500m |
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| When the altitude is above 3500m to within 5500m, it is necessary to consider the use of reduced amount.(for each increase of 1000m, the voltage and current will be reduced by 10%) | ||
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Life expectancy |
100000h(Un; Θhotspot ≤70 °C ) |
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Reference standard |
IEC 61071 ;IEC 61881;IEC 60068 |
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Feature
1. PP Box-type, dry resin infusion;
2. Copper nut / screw leads, insulated plastic cover positioning, easy installation;
3. Large capacity, small size;
4. Resistance to high voltage, with self-healing;
5. High ripple current, high dv / dt withstand capability.
Like other CRE products , the series capacitor have UL certificate and 100% burn-in tested.
Application
1. Widely used in DC-Link circuit for filtering energy storage;
2. Can replace electrolytic capacitors, better performance and longer life.
3. Pv inverter, wind power converter;All kinds of frequency converter and inverter power supply;Pure electric and hybrid cars;SVG, SVC devices and other kinds of power quality management.
Life expectancy
Outline drawing
The demand for energy savings and for renewable sources urges the development of products such as electric vehicles, PV converters, wind power generators. These products require DC to AC inverter to realize the operating system. Filter and DC-link capacitors are key passive components for the power system which provide with support the need of increasing power with high voltage and ripple currents.
As an emerging high-tech enterprise, CRE has a front-end R&D and manufacturing team for power electronic film capacitors, and established power electronics R&D engineering centers with internationally renowned research institutions. So far, CRE has more than 40 inventions and utility model patents and participated in the development of 10 national and industry standards, certified with ISO-9001, IATF16949, ISO14001/45001, and UL. We dedicate to develop more business partners for driving the power innovation.
CRE popular products:
① DC-link capacitor
② AC filter capacitor
③ Energy storage / Pulse capacitor
④ IGBT snubber
⑤ Resonance capacitor
⑥ Water cooled capacitor
