locomotive capacitor -龙八国际


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locomotive capacitor

locomotive capacitor

application: in the locomotive project of rail transit, it is used in locomotive power module, dc filter capacitor and traction converter support capacitor are used in traction converter, which can support to dc voltage, and filter the ripple in the circuit; the auxiliary capacitor is used in the auxiliary converter to filter the ripple in the circuit.

main implementation standards:

iec61881 railway application-rolling stock equipment –capacitors for power electronics

gb/t25121 capacitors for rail transit, locomotive and rolling stock equipment, power electronic equipment


basic features:

self-healing metallized film capacitor, dry type, inside potting with resin, long service life, blasting resistance, vibration resistance, flame-retardant grade ul94-v0


basic parameter:

operating environment temperature: ﹣40℃~﹢70℃

rated capacity: 0.01mf~10mf
capacitance range: 0~ 5%
rated voltage: ≤5kv(dc)
tangent of the loss angle tanδ: <0.001  (adjusted according to specific projects)

stray inductance esl: ≤30nh (adjusted according to specific projects)

equivalent series resistance esr: ≤0.35mω (adjusted according to specific projects)

max surge current îs: ≤200ka  (adjusted according to specific projects)

max peak current î: ≤20ka  (adjusted according to specific projects)

withstand voltage between terminals: 1.5undc, 60s

can be customized according to user requirements.