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Metal Shell DC Link Capacitor DKMJ-S

Application
  • Inverters and frequency converters for photovoltaic, wind power, energy storage and other new energy industries.
  • Electric and hybrid vehicles; ships; trains.
  • SVG,SVC devices and other kinds of power quality management.
     
Basic Parameters
  • Capacitance range           100μF~20000μF
  • Rated voltage                    600V.DC~4000V.DC
  • Cap.tol                                ±5%(J);±10%(K)
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Description


  • Widely used in DC-link circuit for filtering energy storage.

  • Can replace electrolytic capacitors,better performance and longer life.

  • Copper nut/screw leads,easy installation.

  • Resistance to high voltage,with self-healing.

  • Metal shell encapsulation,dry resin infusion.

  • Large capacity,small size.

  • High ripple current,high dv/dt withstand capability.


Technical Parameters


Operating temperature range

Max.Operating temperature.,Top,max:+70℃

Upper category temperature:+60℃

Lower category temperature:-40℃

Capacitance range 100μF~20000μF
Rated voltage 600V.DC~4000V.DC
Cap.tol ±5%(J);±10%(K)
Withstand voltage

Vt-t    1.5UN DC/60s

Vt-c    1000+2×UN/ (V.AC)60s(min 3000V.AC)

Over voltage

1.1Un(30% of on-load-dur.)

1.15Un(30min/day)

1.2Un(5min/day)

1.3Un(1min/day)

1.5Un(100ms every time,1000 times during the lifetime)

Dissipation factor

tgδ≤0.003 f=100Hz

tgδ0≤0.0002

Insulation resistance (Built-in discharge resistor) (Actual measurement)
Withstand strike current See the specification sheet
Irms See the specification sheet
ESL 150nH
Flame retardationvv
UL94V-0
Maximum altitude

2000m

Derating should be considered when the altitude is between 2000m -5000m.

(For each increase of 1000m, voltage and current will be reduced by 10%)

Life expectancy 100000h(UN;θhotspot≤70℃)
Reference standard IEC61071;IEC61881


Why choose CRE capacitor ?


  • Electrical Resilience

    They Exhibit Impressive Resistance To High Voltage Levels And Incorporate A Self-Healing Mechanism, Which Enhances Reliability And Ensures Consistent Performance Even Under Challenging Conditions.


  • Electrical Specifications

    They Are Designed To Handle High Ripple Currents And Possess An Excellent Dv/Dt Withstand Capability, Ensuring Effective Operation In Dynamic And Demanding Electrical Environments.


  • Construction And Design

    Encapsulated In A Robust Metal Shell And Infused With Dry Resin, These Capacitors Are Built To Withstand Environmental Stresses While Maintaining Their Integrity And Performance.


Automated Production Process


Automated Production Process


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