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High Power AC Capacitor - Metalized Film Dielectric | China Suppliers & Factory for Heavy Current Solutions
Application
Being applied to high-power UPS, switching power supply, Solar/wind power inverter, and equipments for the AC filter, harmonics and power factor correction.
Typical circuit diagram
Technical data
capacitance range(CN) |
3*30μF～3*500μF |
Rated voltage (UN) |
400VAC～2000VAC (Customziable) |
Cap.tol |
±5%/±10% |
Max current(Irms Max) |
85A |
Voltage between terminals |
2.15 Un (VAC) |
Voltage between terminals and case |
1000+2×Un/√2V.AC 60S |
Over Voltage |
1.1UN(30% of on-load-duration) |
1.15UN(30min/day) |
|
1.2UN(5min/day) |
|
1.3UN(1min/day) |
|
|
1.5UN (30mins/time 1000 times in lifetimes) |
Dissipation factor |
tgδ≤0.002 f=100Hz |
Tgδ0≤0.0002 |
|
Insulation resistance |
(Built-in discharge resistors) |
ESL |
＜100nH |
Flame retardation |
UL94V-0 |
Maximum altitude for use |
2000m |
Life expectancy |
100,000h(UN; Θhotspot ≤55 °C ) |
working temperature |
-40℃~85℃ |
Reference standard |
IEC 61071 |
Life expectancy in the graph
Reference Outline
Specification Sheet
| Three-phase AC filter capacitor in Wye/Delta connection | ||||||
| Ref No | Rated Voltage Un | Cn (μF) | ESR (mΩ) | Irms max.(A) | H (mm） | Rth(℃/W) |
| 1 | 400VAC | 3×133 | 0.4 | 45 | 190 | 0.49 |
| 2 | 400VAC | 3×150 | 0.35 | 50 | 205 | 0.44 |
| 3 | 400VAC | 3×183 | 0.29 | 60 | 245 | 0.36 |
| 4 | 400VAC | 3×217 | 0.25 | 72 | 285 | 0.31 |
| 5 | 400VAC | 3×250 | 0.21 | 85 | 325 | 0.26 |
| 7 | 500VAC | 3×70 | 0.61 | 30 | 165 | 0.76 |
| 8 | 500VAC | 3×117 | 0.36 | 50 | 245 | 0.45 |
| 9 | 500VAC | 3×140 | 0.3 | 55 | 285 | 0.38 |
| 10 | 500VAC | 3×167 | 0.26 | 70 | 330 | 0.32 |
| 11 | 550VAC | 3×67 | 0.64 | 30 | 160 | 0.79 |
| 12 | 550VAC | 3×93 | 0.46 | 35 | 205 | 0.57 |
| 13 | 550VAC | 3×117 | 0.36 | 50 | 245 | 0.45 |
| 14 | 550VAC | 3×133 | 0.32 | 55 | 280 | 0.4 |
| 15 | 550VAC | 3×167 | 0.28 | 70 | 330 | 0.32 |
| 16 | 690VAC | 3×67 | 0.53 | 30 | 200 | 0.66 |
| 17 | 690VAC | 3×83 | 0.42 | 40 | 250 | 0.53 |
| 18 | 690VAC | 3×100 | 0.35 | 50 | 290 | 0.44 |
| 19 | 690VAC | 3×117 | 0.31 | 55 | 330 | 0.38 |
Frequently Asked Questions
Q1: What are the primary applications of these three-phase AC filter capacitors?
These capacitors are widely applied to high-power UPS, switching power supplies, solar/wind power inverters, and equipment requiring AC filtering, harmonics correction, and power factor correction.
Q2: What is the rated voltage and capacitance range of these capacitors?
The capacitance range spans from 3*30μF to 3*500μF, and the rated voltage ranges from 400VAC to 2000VAC. Custom specifications are also available to meet specific project needs.
Q3: What is the expected lifetime of this three-phase AC capacitor?
Under rated voltage (UN) and a hotspot temperature (Θhotspot) of ≤55 °C, the life expectancy of these capacitors is 100,000 hours.
Q4: What are the working temperature and environmental limits?
The working temperature range is -40℃ to 85℃, and the maximum altitude suitable for standard installation and use is 2000 meters.
Q5: Do these capacitors comply with international safety and quality standards?
Yes, they are manufactured in accordance with the IEC 61071 reference standard and feature UL94V-0 grade flame retardation.